./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/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_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/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_1ec4e205-b940-48db-aae8-f06c6a418818/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 22b4144b7005899e18ff8135fa52f12863f7106dbe1ddb808d25d8593c5f8fc4 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 02:44:36,889 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 02:44:36,950 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 02:44:36,953 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 02:44:36,954 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 02:44:36,975 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 02:44:36,976 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 02:44:36,976 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 02:44:36,977 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 02:44:36,977 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 02:44:36,978 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 02:44:36,979 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 02:44:36,979 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 02:44:36,979 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 02:44:36,980 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 02:44:36,980 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 02:44:36,981 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 02:44:36,982 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 02:44:36,982 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 02:44:36,983 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 02:44:36,983 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 02:44:36,984 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 02:44:36,984 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 02:44:36,985 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 02:44:36,985 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 02:44:36,985 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 02:44:36,986 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:44:36,986 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 02:44:36,987 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 02:44:36,987 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 02:44:36,988 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 02:44:36,988 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 02:44:36,989 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 02:44:36,989 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_1ec4e205-b940-48db-aae8-f06c6a418818/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 22b4144b7005899e18ff8135fa52f12863f7106dbe1ddb808d25d8593c5f8fc4 [2023-12-03 02:44:37,196 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 02:44:37,225 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 02:44:37,228 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 02:44:37,229 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 02:44:37,229 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 02:44:37,231 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-1.i [2023-12-03 02:44:40,016 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 02:44:40,298 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 02:44:40,299 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-1.i [2023-12-03 02:44:40,317 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/data/59b20f705/46854539e424468d97325872a8832212/FLAGcc314e016 [2023-12-03 02:44:40,331 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/data/59b20f705/46854539e424468d97325872a8832212 [2023-12-03 02:44:40,334 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 02:44:40,336 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 02:44:40,337 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 02:44:40,338 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 02:44:40,342 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 02:44:40,343 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:44:40" (1/1) ... [2023-12-03 02:44:40,344 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cab05a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:44:40, skipping insertion in model container [2023-12-03 02:44:40,344 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:44:40" (1/1) ... [2023-12-03 02:44:40,434 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:44:40,814 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_1ec4e205-b940-48db-aae8-f06c6a418818/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-1.i[33021,33034] [2023-12-03 02:44:40,903 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_1ec4e205-b940-48db-aae8-f06c6a418818/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-1.i[44124,44137] [2023-12-03 02:44:40,904 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_1ec4e205-b940-48db-aae8-f06c6a418818/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-1.i[44245,44258] [2023-12-03 02:44:40,914 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:44:40,924 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 02:44:40,956 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_1ec4e205-b940-48db-aae8-f06c6a418818/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-1.i[33021,33034] [2023-12-03 02:44:41,042 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_1ec4e205-b940-48db-aae8-f06c6a418818/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-1.i[44124,44137] [2023-12-03 02:44:41,043 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_1ec4e205-b940-48db-aae8-f06c6a418818/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-1.i[44245,44258] [2023-12-03 02:44:41,046 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:44:41,079 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:44:41,087 INFO L206 MainTranslator]: Completed translation [2023-12-03 02:44:41,087 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:44:41 WrapperNode [2023-12-03 02:44:41,087 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 02:44:41,088 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 02:44:41,089 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 02:44:41,089 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 02:44:41,096 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:44:41" (1/1) ... [2023-12-03 02:44:41,128 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:44:41" (1/1) ... [2023-12-03 02:44:41,186 INFO L138 Inliner]: procedures = 176, calls = 277, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1329 [2023-12-03 02:44:41,186 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 02:44:41,187 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 02:44:41,187 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 02:44:41,187 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 02:44:41,197 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:44:41" (1/1) ... [2023-12-03 02:44:41,197 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:44:41" (1/1) ... [2023-12-03 02:44:41,209 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:44:41" (1/1) ... [2023-12-03 02:44:41,210 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:44:41" (1/1) ... [2023-12-03 02:44:41,261 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:44:41" (1/1) ... [2023-12-03 02:44:41,276 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:44:41" (1/1) ... [2023-12-03 02:44:41,282 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:44:41" (1/1) ... [2023-12-03 02:44:41,289 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:44:41" (1/1) ... [2023-12-03 02:44:41,299 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 02:44:41,300 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 02:44:41,300 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 02:44:41,300 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 02:44:41,301 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:44:41" (1/1) ... [2023-12-03 02:44:41,307 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:44:41,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 02:44:41,330 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 02:44:41,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 02:44:41,363 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 02:44:41,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 02:44:41,363 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-03 02:44:41,363 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-03 02:44:41,364 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 02:44:41,364 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 02:44:41,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-03 02:44:41,364 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 02:44:41,364 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-12-03 02:44:41,365 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-03 02:44:41,365 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 02:44:41,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 02:44:41,365 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 02:44:41,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 02:44:41,551 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 02:44:41,553 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 02:44:42,744 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 02:44:44,077 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 02:44:44,077 INFO L309 CfgBuilder]: Removed 63 assume(true) statements. [2023-12-03 02:44:44,079 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:44:44 BoogieIcfgContainer [2023-12-03 02:44:44,079 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 02:44:44,080 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 02:44:44,080 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 02:44:44,090 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 02:44:44,091 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:44:44" (1/1) ... [2023-12-03 02:44:44,099 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 02:44:44,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:44:44,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 116 states and 197 transitions. [2023-12-03 02:44:44,157 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 197 transitions. [2023-12-03 02:44:44,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 02:44:44,159 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:44:44,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:44:44,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:44:44,357 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 02:44:44,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:44:44,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 116 states and 194 transitions. [2023-12-03 02:44:44,377 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 194 transitions. [2023-12-03 02:44:44,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-03 02:44:44,378 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:44:44,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:44:44,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:44:44,520 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 02:44:44,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:44:44,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 118 states and 197 transitions. [2023-12-03 02:44:44,565 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 197 transitions. [2023-12-03 02:44:44,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 02:44:44,569 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:44:44,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:44:44,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:44:44,657 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:44:44,663 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:44:44,670 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 02:44:44,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:44:44,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 118 states and 195 transitions. [2023-12-03 02:44:44,678 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 195 transitions. [2023-12-03 02:44:44,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 02:44:44,679 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:44:44,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:44:44,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:44:44,771 INFO L262 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:44:44,773 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:44:44,776 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 02:44:44,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:44:44,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 118 states and 191 transitions. [2023-12-03 02:44:44,784 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 191 transitions. [2023-12-03 02:44:44,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 02:44:44,785 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:44:44,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:44:44,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:44:44,883 INFO L262 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:44:44,886 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:44:44,889 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 02:44:44,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:44:44,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 118 states and 185 transitions. [2023-12-03 02:44:44,897 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 185 transitions. [2023-12-03 02:44:44,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-03 02:44:44,899 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:44:44,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:44:45,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:44:45,035 INFO L262 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:44:45,038 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:44:45,042 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 02:44:55,068 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:44:55,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:44:55,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 118 states and 177 transitions. [2023-12-03 02:44:55,132 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 177 transitions. [2023-12-03 02:44:55,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-12-03 02:44:55,133 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:44:55,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:44:55,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:44:55,399 INFO L262 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:44:55,402 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:44:55,485 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:45:05,665 WARN L539 Checker$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 02:45:15,698 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:45:25,721 WARN L539 Checker$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 02:45:35,753 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 02:45:35,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:45:35,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 131 states and 192 transitions. [2023-12-03 02:45:35,820 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 192 transitions. [2023-12-03 02:45:35,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-03 02:45:35,821 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:45:35,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:45:36,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:45:36,019 INFO L262 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:45:36,022 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:45:36,025 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 02:45:36,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:45:36,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 131 states and 190 transitions. [2023-12-03 02:45:36,035 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 190 transitions. [2023-12-03 02:45:36,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-12-03 02:45:36,036 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:45:36,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:45:36,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:45:36,270 INFO L262 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:45:36,273 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:45:36,276 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 02:45:46,293 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 02:45:46,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:45:46,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 131 states and 188 transitions. [2023-12-03 02:45:46,351 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 188 transitions. [2023-12-03 02:45:46,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-12-03 02:45:46,352 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:45:46,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:45:46,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:45:46,597 INFO L262 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:45:46,600 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:45:46,681 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 02:45:56,696 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:46:06,714 WARN L539 Checker$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 02:46:16,733 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:46:26,765 WARN L539 Checker$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 02:46:26,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:46:26,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 134 states and 190 transitions. [2023-12-03 02:46:26,822 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 190 transitions. [2023-12-03 02:46:26,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:46:26,822 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:46:26,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:46:27,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:46:27,073 INFO L262 TraceCheckSpWp]: Trace formula consists of 486 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 02:46:27,076 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:46:27,123 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 02:46:27,148 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 02:46:27,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:46:27,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 136 states and 194 transitions. [2023-12-03 02:46:27,191 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 194 transitions. [2023-12-03 02:46:27,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:46:27,192 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:46:27,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:46:27,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:46:27,488 INFO L262 TraceCheckSpWp]: Trace formula consists of 486 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:46:27,491 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:46:27,495 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 02:46:27,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:46:27,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 136 states and 191 transitions. [2023-12-03 02:46:27,503 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 191 transitions. [2023-12-03 02:46:27,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 02:46:27,504 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:46:27,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:46:27,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:46:27,777 INFO L262 TraceCheckSpWp]: Trace formula consists of 490 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:46:27,779 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:46:27,782 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 02:46:27,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:46:27,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 136 states and 187 transitions. [2023-12-03 02:46:27,791 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 187 transitions. [2023-12-03 02:46:27,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 02:46:27,792 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:46:27,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:46:28,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:46:28,079 INFO L262 TraceCheckSpWp]: Trace formula consists of 500 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:46:28,082 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:46:28,085 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 02:46:28,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:46:28,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 136 states and 185 transitions. [2023-12-03 02:46:28,094 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 185 transitions. [2023-12-03 02:46:28,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-12-03 02:46:28,094 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:46:28,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:46:28,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:46:28,362 INFO L262 TraceCheckSpWp]: Trace formula consists of 537 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:46:28,366 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:46:28,370 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 02:46:38,396 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:46:38,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:46:38,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 136 states and 183 transitions. [2023-12-03 02:46:38,425 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 183 transitions. [2023-12-03 02:46:38,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-03 02:46:38,426 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:46:38,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:46:38,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:46:38,739 INFO L262 TraceCheckSpWp]: Trace formula consists of 546 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:46:38,741 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:46:38,867 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 02:46:48,979 WARN L539 Checker$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 02:46:59,018 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:47:09,072 WARN L539 Checker$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 02:47:19,110 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:47:29,852 WARN L539 Checker$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 02:47:39,887 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:47:49,927 WARN L539 Checker$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 02:47:59,957 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:47:59,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:47:59,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 182 states and 243 transitions. [2023-12-03 02:47:59,997 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 243 transitions. [2023-12-03 02:47:59,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-12-03 02:47:59,998 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:47:59,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:48:00,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:48:00,288 INFO L262 TraceCheckSpWp]: Trace formula consists of 560 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:48:00,290 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:48:00,293 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 02:48:10,309 WARN L539 Checker$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 02:48:10,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:48:10,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 182 states and 241 transitions. [2023-12-03 02:48:10,357 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 241 transitions. [2023-12-03 02:48:10,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-12-03 02:48:10,358 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:48:10,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:48:10,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:48:10,636 INFO L262 TraceCheckSpWp]: Trace formula consists of 546 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:48:10,638 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:48:10,641 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 02:48:10,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:48:10,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 182 states and 237 transitions. [2023-12-03 02:48:10,655 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 237 transitions. [2023-12-03 02:48:10,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-03 02:48:10,656 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:48:10,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:48:10,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:48:10,993 INFO L262 TraceCheckSpWp]: Trace formula consists of 569 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:48:10,995 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:48:11,080 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 02:48:21,092 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:48:31,127 WARN L539 Checker$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 02:48:41,177 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:48:51,204 WARN L539 Checker$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 02:48:51,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:48:51,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 165 states and 216 transitions. [2023-12-03 02:48:51,255 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 216 transitions. [2023-12-03 02:48:51,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-03 02:48:51,255 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:48:51,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:48:51,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:48:51,515 INFO L262 TraceCheckSpWp]: Trace formula consists of 569 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:48:51,517 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:48:51,586 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 02:48:52,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:48:52,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 168 states and 218 transitions. [2023-12-03 02:48:52,199 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 218 transitions. [2023-12-03 02:48:52,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-03 02:48:52,200 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:48:52,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:48:52,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:48:52,475 INFO L262 TraceCheckSpWp]: Trace formula consists of 587 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:48:52,477 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:48:52,481 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 02:48:52,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:48:52,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 168 states and 216 transitions. [2023-12-03 02:48:52,565 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 216 transitions. [2023-12-03 02:48:52,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:48:52,566 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:48:52,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:49:02,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-03 02:49:02,841 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 02:49:02,844 INFO L158 Benchmark]: Toolchain (without parser) took 262508.45ms. Allocated memory was 153.1MB in the beginning and 249.6MB in the end (delta: 96.5MB). Free memory was 104.9MB in the beginning and 182.2MB in the end (delta: -77.3MB). Peak memory consumption was 156.9MB. Max. memory is 16.1GB. [2023-12-03 02:49:02,845 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 153.1MB. Free memory was 124.0MB in the beginning and 124.0MB in the end (delta: 28.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:49:02,845 INFO L158 Benchmark]: CACSL2BoogieTranslator took 750.32ms. Allocated memory was 153.1MB in the beginning and 205.5MB in the end (delta: 52.4MB). Free memory was 104.6MB in the beginning and 166.8MB in the end (delta: -62.2MB). Peak memory consumption was 37.0MB. Max. memory is 16.1GB. [2023-12-03 02:49:02,846 INFO L158 Benchmark]: Boogie Procedure Inliner took 97.95ms. Allocated memory is still 205.5MB. Free memory was 166.8MB in the beginning and 157.3MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 02:49:02,846 INFO L158 Benchmark]: Boogie Preprocessor took 112.29ms. Allocated memory is still 205.5MB. Free memory was 157.3MB in the beginning and 148.9MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-12-03 02:49:02,847 INFO L158 Benchmark]: RCFGBuilder took 2779.14ms. Allocated memory was 205.5MB in the beginning and 249.6MB in the end (delta: 44.0MB). Free memory was 148.9MB in the beginning and 90.8MB in the end (delta: 58.1MB). Peak memory consumption was 102.1MB. Max. memory is 16.1GB. [2023-12-03 02:49:02,848 INFO L158 Benchmark]: CodeCheck took 258763.80ms. Allocated memory is still 249.6MB. Free memory was 90.8MB in the beginning and 182.2MB in the end (delta: -91.3MB). Peak memory consumption was 45.0MB. Max. memory is 16.1GB. [2023-12-03 02:49:02,851 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 0.26ms. Allocated memory is still 153.1MB. Free memory was 124.0MB in the beginning and 124.0MB in the end (delta: 28.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 750.32ms. Allocated memory was 153.1MB in the beginning and 205.5MB in the end (delta: 52.4MB). Free memory was 104.6MB in the beginning and 166.8MB in the end (delta: -62.2MB). Peak memory consumption was 37.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 97.95ms. Allocated memory is still 205.5MB. Free memory was 166.8MB in the beginning and 157.3MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 112.29ms. Allocated memory is still 205.5MB. Free memory was 157.3MB in the beginning and 148.9MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 2779.14ms. Allocated memory was 205.5MB in the beginning and 249.6MB in the end (delta: 44.0MB). Free memory was 148.9MB in the beginning and 90.8MB in the end (delta: 58.1MB). Peak memory consumption was 102.1MB. Max. memory is 16.1GB. * CodeCheck took 258763.80ms. Allocated memory is still 249.6MB. Free memory was 90.8MB in the beginning and 182.2MB in the end (delta: -91.3MB). Peak memory consumption was 45.0MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 02:49:02,997 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/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_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/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_1ec4e205-b940-48db-aae8-f06c6a418818/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 22b4144b7005899e18ff8135fa52f12863f7106dbe1ddb808d25d8593c5f8fc4 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 02:49:04,703 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 02:49:04,780 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-03 02:49:04,812 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 02:49:04,813 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 02:49:04,814 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 02:49:04,815 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 02:49:04,816 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 02:49:04,816 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 02:49:04,817 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 02:49:04,818 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 02:49:04,818 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 02:49:04,819 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 02:49:04,819 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 02:49:04,820 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 02:49:04,820 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 02:49:04,821 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 02:49:04,822 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 02:49:04,822 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 02:49:04,823 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 02:49:04,823 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 02:49:04,827 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 02:49:04,827 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 02:49:04,828 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 02:49:04,828 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 02:49:04,829 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 02:49:04,829 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 02:49:04,830 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 02:49:04,830 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:49:04,831 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 02:49:04,831 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 02:49:04,831 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 02:49:04,832 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 02:49:04,832 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 02:49:04,832 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 02:49:04,832 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 02:49:04,833 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 02:49:04,833 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_1ec4e205-b940-48db-aae8-f06c6a418818/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 22b4144b7005899e18ff8135fa52f12863f7106dbe1ddb808d25d8593c5f8fc4 [2023-12-03 02:49:05,138 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 02:49:05,159 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 02:49:05,161 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 02:49:05,163 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 02:49:05,163 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 02:49:05,165 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-1.i [2023-12-03 02:49:07,967 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 02:49:08,269 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 02:49:08,269 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-1.i [2023-12-03 02:49:08,288 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/data/5d8e84dd1/405e066c622b4b38895d2840b3024709/FLAG6af4b7206 [2023-12-03 02:49:08,303 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/data/5d8e84dd1/405e066c622b4b38895d2840b3024709 [2023-12-03 02:49:08,305 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 02:49:08,307 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 02:49:08,308 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 02:49:08,308 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 02:49:08,313 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 02:49:08,314 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:49:08" (1/1) ... [2023-12-03 02:49:08,315 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58d749a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:49:08, skipping insertion in model container [2023-12-03 02:49:08,316 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:49:08" (1/1) ... [2023-12-03 02:49:08,391 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:49:08,781 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_1ec4e205-b940-48db-aae8-f06c6a418818/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-1.i[33021,33034] [2023-12-03 02:49:08,880 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_1ec4e205-b940-48db-aae8-f06c6a418818/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-1.i[44124,44137] [2023-12-03 02:49:08,881 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_1ec4e205-b940-48db-aae8-f06c6a418818/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-1.i[44245,44258] [2023-12-03 02:49:08,889 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:49:08,904 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-03 02:49:08,923 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:49:08,945 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_1ec4e205-b940-48db-aae8-f06c6a418818/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-1.i[33021,33034] [2023-12-03 02:49:09,008 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_1ec4e205-b940-48db-aae8-f06c6a418818/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-1.i[44124,44137] [2023-12-03 02:49:09,009 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_1ec4e205-b940-48db-aae8-f06c6a418818/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-1.i[44245,44258] [2023-12-03 02:49:09,012 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:49:09,016 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 02:49:09,040 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_1ec4e205-b940-48db-aae8-f06c6a418818/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-1.i[33021,33034] [2023-12-03 02:49:09,074 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_1ec4e205-b940-48db-aae8-f06c6a418818/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-1.i[44124,44137] [2023-12-03 02:49:09,075 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_1ec4e205-b940-48db-aae8-f06c6a418818/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-1.i[44245,44258] [2023-12-03 02:49:09,077 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:49:09,105 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:49:09,111 INFO L206 MainTranslator]: Completed translation [2023-12-03 02:49:09,111 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:49:09 WrapperNode [2023-12-03 02:49:09,111 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 02:49:09,112 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 02:49:09,112 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 02:49:09,112 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 02:49:09,119 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:49:09" (1/1) ... [2023-12-03 02:49:09,149 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:49:09" (1/1) ... [2023-12-03 02:49:09,195 INFO L138 Inliner]: procedures = 179, calls = 277, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1002 [2023-12-03 02:49:09,195 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 02:49:09,196 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 02:49:09,197 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 02:49:09,197 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 02:49:09,205 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:49:09" (1/1) ... [2023-12-03 02:49:09,205 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:49:09" (1/1) ... [2023-12-03 02:49:09,215 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:49:09" (1/1) ... [2023-12-03 02:49:09,216 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:49:09" (1/1) ... [2023-12-03 02:49:09,265 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:49:09" (1/1) ... [2023-12-03 02:49:09,276 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:49:09" (1/1) ... [2023-12-03 02:49:09,281 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:49:09" (1/1) ... [2023-12-03 02:49:09,288 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:49:09" (1/1) ... [2023-12-03 02:49:09,298 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 02:49:09,299 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 02:49:09,299 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 02:49:09,299 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 02:49:09,300 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:49:09" (1/1) ... [2023-12-03 02:49:09,306 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:49:09,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 02:49:09,332 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 02:49:09,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 02:49:09,378 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-12-03 02:49:09,379 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 02:49:09,379 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-03 02:49:09,379 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-03 02:49:09,379 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 02:49:09,380 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 02:49:09,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-03 02:49:09,380 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 02:49:09,380 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-12-03 02:49:09,380 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-03 02:49:09,380 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 02:49:09,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 02:49:09,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 02:49:09,381 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 02:49:09,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 02:49:09,572 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 02:49:09,574 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 02:49:23,896 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 02:49:24,299 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 02:49:24,300 INFO L309 CfgBuilder]: Removed 63 assume(true) statements. [2023-12-03 02:49:24,301 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:49:24 BoogieIcfgContainer [2023-12-03 02:49:24,301 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 02:49:24,302 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 02:49:24,303 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 02:49:24,310 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 02:49:24,310 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:49:24" (1/1) ... [2023-12-03 02:49:24,318 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 02:49:24,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:49:24,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 116 states and 197 transitions. [2023-12-03 02:49:24,367 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 197 transitions. [2023-12-03 02:49:24,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 02:49:24,368 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:49:24,369 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:49:24,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:49:24,370 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:49:24,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 02:49:24,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:24,660 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:49:24,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:24,724 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:49:24,729 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:49:24,743 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 02:49:24,747 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 02:49:24,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:49:24,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 116 states and 194 transitions. [2023-12-03 02:49:24,777 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 194 transitions. [2023-12-03 02:49:24,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-03 02:49:24,777 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:49:24,778 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:49:24,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:49:24,779 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:49:24,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 02:49:25,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:25,054 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:49:25,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:25,121 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:49:25,123 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:49:25,274 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 02:49:25,278 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 02:49:25,278 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 02:49:25,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:49:25,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 123 states and 204 transitions. [2023-12-03 02:49:25,644 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 204 transitions. [2023-12-03 02:49:25,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-03 02:49:25,645 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:49:25,645 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:49:25,646 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:49:25,647 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:49:25,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 02:49:25,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:25,895 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:49:25,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:25,953 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:49:25,955 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:49:25,957 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 02:49:25,961 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 02:49:25,961 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-12-03 02:49:25,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:49:25,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 123 states and 201 transitions. [2023-12-03 02:49:25,970 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 201 transitions. [2023-12-03 02:49:25,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 02:49:25,974 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:49:25,974 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:49:25,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:49:25,976 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:49:25,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-03 02:49:26,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:26,222 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:49:26,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:26,280 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:49:26,282 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:49:26,285 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 02:49:26,288 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-03 02:49:26,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:49:26,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 123 states and 197 transitions. [2023-12-03 02:49:26,302 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 197 transitions. [2023-12-03 02:49:26,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 02:49:26,303 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:49:26,303 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:49:26,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:49:26,305 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:49:26,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-03 02:49:26,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:26,622 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:49:26,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:26,730 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:49:26,732 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:49:26,734 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 02:49:26,737 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 02:49:26,738 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-03 02:49:26,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:49:26,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 123 states and 195 transitions. [2023-12-03 02:49:26,746 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 195 transitions. [2023-12-03 02:49:26,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 02:49:26,748 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:49:26,749 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:49:26,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:49:26,750 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:49:26,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-03 02:49:27,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:27,045 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:49:27,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:27,096 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:49:27,098 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:49:27,100 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 02:49:27,104 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-03 02:49:27,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:49:27,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 123 states and 193 transitions. [2023-12-03 02:49:27,110 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 193 transitions. [2023-12-03 02:49:27,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 02:49:27,111 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:49:27,111 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:49:27,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:49:27,113 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:49:27,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-03 02:49:27,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:27,417 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:49:27,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:27,533 INFO L262 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:49:27,535 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:49:27,537 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 02:49:27,540 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-03 02:49:27,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:49:27,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 123 states and 189 transitions. [2023-12-03 02:49:27,548 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 189 transitions. [2023-12-03 02:49:27,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-03 02:49:27,550 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:49:27,550 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:49:27,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:49:27,551 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:49:27,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-03 02:49:27,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:27,840 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:49:27,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:27,911 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:49:27,913 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:49:27,916 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 02:49:27,920 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-12-03 02:49:27,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:49:27,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 123 states and 187 transitions. [2023-12-03 02:49:27,948 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 187 transitions. [2023-12-03 02:49:27,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 02:49:27,949 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:49:27,949 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:49:27,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:49:27,950 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:49:27,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-03 02:49:28,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:28,308 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:49:28,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:28,402 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 02:49:28,404 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:49:28,433 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-03 02:49:28,433 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-03 02:49:28,434 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-03 02:49:28,444 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 02:49:28,547 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 02:49:28,547 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 02:49:28,583 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 02:49:28,588 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2023-12-03 02:49:28,588 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 02:49:29,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:49:29,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 125 states and 190 transitions. [2023-12-03 02:49:29,421 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 190 transitions. [2023-12-03 02:49:29,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 02:49:29,421 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:49:29,422 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:49:29,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:49:29,422 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:49:29,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-03 02:49:29,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:29,734 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:49:29,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:29,869 INFO L262 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:49:29,872 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:49:29,874 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 02:49:29,881 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2023-12-03 02:49:29,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:49:29,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 125 states and 184 transitions. [2023-12-03 02:49:29,889 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 184 transitions. [2023-12-03 02:49:29,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-03 02:49:29,890 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:49:29,890 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:49:29,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:49:29,892 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:49:29,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-03 02:49:30,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:30,274 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:49:30,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:30,488 INFO L262 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:49:30,490 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:49:30,493 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 02:49:30,499 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 02:49:30,499 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2023-12-03 02:49:31,850 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 02:49:31,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:49:31,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 125 states and 178 transitions. [2023-12-03 02:49:31,868 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 178 transitions. [2023-12-03 02:49:31,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-12-03 02:49:31,868 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:49:31,868 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:49:31,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:49:31,870 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:49:31,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-12-03 02:49:32,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:32,295 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:49:32,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:32,543 INFO L262 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:49:32,545 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:49:32,647 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 02:49:32,651 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2023-12-03 02:49:33,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:49:33,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 136 states and 189 transitions. [2023-12-03 02:49:33,551 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 189 transitions. [2023-12-03 02:49:33,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-12-03 02:49:33,552 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:49:33,552 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:49:33,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:49:33,553 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:49:33,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-12-03 02:49:33,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:33,967 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:49:34,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:34,164 INFO L262 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:49:34,166 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:49:34,167 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 02:49:34,172 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2023-12-03 02:49:34,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:49:34,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 136 states and 187 transitions. [2023-12-03 02:49:34,183 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 187 transitions. [2023-12-03 02:49:34,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-03 02:49:34,183 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:49:34,183 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:49:34,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:49:34,184 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:49:34,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-12-03 02:49:34,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:34,607 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:49:34,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:34,808 INFO L262 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:49:34,809 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:49:34,819 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 02:49:34,824 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2023-12-03 02:49:34,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:49:34,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 136 states and 185 transitions. [2023-12-03 02:49:34,838 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 185 transitions. [2023-12-03 02:49:34,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-12-03 02:49:34,839 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:49:34,839 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:49:34,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:49:34,840 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:49:34,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2023-12-03 02:49:35,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:35,358 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:49:35,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:35,595 INFO L262 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:49:35,596 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:49:35,598 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 02:49:35,603 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2023-12-03 02:49:35,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:49:35,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 136 states and 183 transitions. [2023-12-03 02:49:35,611 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 183 transitions. [2023-12-03 02:49:35,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-12-03 02:49:35,612 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:49:35,612 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:49:35,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:49:35,613 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:49:35,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2023-12-03 02:49:36,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:36,177 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:49:36,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:36,480 INFO L262 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:49:36,481 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:49:36,601 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 02:49:36,606 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Forceful destruction successful, exit code 0 [2023-12-03 02:49:36,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:49:36,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:49:36,625 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:49:36,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:49:36,626 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:49:36,626 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:49:36,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:49:36,627 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:49:36,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2023-12-03 02:49:37,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:37,274 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:49:37,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:37,570 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:49:37,573 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:49:37,697 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:49:37,704 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Forceful destruction successful, exit code 0 [2023-12-03 02:49:37,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:49:37,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:49:37,827 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:49:37,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:49:37,828 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:49:37,828 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:49:37,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:49:37,829 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:49:37,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2023-12-03 02:49:38,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:38,549 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:49:38,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:38,837 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:49:38,839 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:49:38,848 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:49:38,855 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2023-12-03 02:49:38,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:49:38,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:49:38,864 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:49:38,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:49:38,865 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:49:38,865 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:49:38,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:49:38,866 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:49:38,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2023-12-03 02:49:39,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:39,552 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:49:39,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:39,877 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:49:39,879 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:49:39,890 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:49:39,896 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2023-12-03 02:49:39,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:49:39,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:49:39,906 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:49:39,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:49:39,907 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:49:39,907 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:49:39,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:49:39,908 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:49:39,909 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2023-12-03 02:49:40,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:40,607 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:49:40,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:40,920 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:49:40,921 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:49:40,930 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:49:40,939 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2023-12-03 02:49:40,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:49:40,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:49:40,945 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:49:40,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:49:40,945 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:49:40,945 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:49:40,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:49:40,946 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:49:40,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2023-12-03 02:49:41,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:41,774 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:49:42,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:42,094 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:49:42,096 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:49:42,106 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:49:42,115 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2023-12-03 02:49:42,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:49:42,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:49:42,124 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:49:42,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:49:42,125 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:49:42,125 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:49:42,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:49:42,126 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:49:42,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2023-12-03 02:49:42,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:42,915 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:49:43,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:43,211 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:49:43,213 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:49:43,223 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:49:43,233 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2023-12-03 02:49:43,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:49:43,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:49:43,243 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:49:43,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:49:43,244 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:49:43,244 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:49:43,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:49:43,245 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:49:43,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2023-12-03 02:49:44,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:44,082 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:49:44,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:44,399 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:49:44,401 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:49:44,411 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:49:44,422 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2023-12-03 02:49:44,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:49:44,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:49:44,431 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:49:44,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:49:44,432 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:49:44,432 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:49:44,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:49:44,433 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:49:44,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2023-12-03 02:49:45,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:45,405 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:49:45,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:45,713 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:49:45,715 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:49:45,725 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:49:45,734 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2023-12-03 02:49:45,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:49:45,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:49:45,741 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:49:45,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:49:45,741 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:49:45,741 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:49:45,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:49:45,742 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:49:45,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2023-12-03 02:49:46,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:46,654 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:49:46,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:46,948 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:49:46,950 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:49:46,959 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:49:46,971 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2023-12-03 02:49:46,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:49:46,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:49:46,977 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:49:46,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:49:46,977 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:49:46,977 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:49:46,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:49:46,978 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:49:46,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2023-12-03 02:49:47,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:47,915 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:49:48,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:48,220 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:49:48,222 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:49:48,234 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:49:48,248 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2023-12-03 02:49:48,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:49:48,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:49:48,257 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:49:48,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:49:48,258 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:49:48,258 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:49:48,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:49:48,259 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:49:48,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2023-12-03 02:49:49,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:49,222 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:49:49,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:49,542 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:49:49,543 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:49:49,553 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:49:49,566 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2023-12-03 02:49:49,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:49:49,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:49:49,572 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:49:49,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:49:49,572 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:49:49,572 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:49:49,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:49:49,573 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:49:49,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2023-12-03 02:49:50,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:50,698 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:49:50,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:50,996 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:49:50,997 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:49:51,006 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:49:51,018 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Forceful destruction successful, exit code 0 [2023-12-03 02:49:51,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:49:51,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:49:51,025 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:49:51,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:49:51,025 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:49:51,026 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:49:51,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:49:51,027 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:49:51,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2023-12-03 02:49:51,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:51,977 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:49:52,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:52,281 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:49:52,283 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:49:52,292 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:49:52,307 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Forceful destruction successful, exit code 0 [2023-12-03 02:49:52,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:49:52,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:49:52,313 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:49:52,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:49:52,314 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:49:52,314 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:49:52,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:49:52,315 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:49:52,315 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2023-12-03 02:49:53,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:53,378 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:49:53,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:53,693 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:49:53,694 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:49:53,704 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:49:53,718 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Forceful destruction successful, exit code 0 [2023-12-03 02:49:53,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:49:53,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:49:53,725 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:49:53,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:49:53,725 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:49:53,725 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:49:53,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:49:53,726 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:49:53,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2023-12-03 02:49:54,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:54,850 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:49:55,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:55,165 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:49:55,167 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:49:55,178 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:49:55,194 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2023-12-03 02:49:55,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:49:55,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:49:55,200 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:49:55,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:49:55,200 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:49:55,200 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:49:55,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:49:55,201 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:49:55,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2023-12-03 02:49:56,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:56,424 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:49:56,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:56,742 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:49:56,743 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:49:56,751 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:49:56,768 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2023-12-03 02:49:56,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:49:56,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:49:56,774 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:49:56,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:49:56,775 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:49:56,775 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:49:56,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:49:56,776 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:49:56,777 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2023-12-03 02:49:57,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:57,934 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:49:58,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:58,222 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:49:58,223 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:49:58,233 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 02:49:58,253 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2023-12-03 02:49:58,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:49:58,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:49:58,259 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:49:58,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:49:58,260 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:49:58,260 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:49:58,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:49:58,261 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:49:58,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2023-12-03 02:49:59,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:59,520 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:49:59,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:59,854 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:49:59,856 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:49:59,865 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:49:59,882 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2023-12-03 02:49:59,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:49:59,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:49:59,888 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:49:59,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:49:59,888 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:49:59,888 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:49:59,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:49:59,889 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:49:59,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2023-12-03 02:50:01,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:01,250 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:50:01,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:01,588 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:50:01,589 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:50:01,599 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:50:01,617 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2023-12-03 02:50:01,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:50:01,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:50:01,622 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:50:01,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:50:01,623 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:50:01,623 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:50:01,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:50:01,624 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:50:01,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2023-12-03 02:50:03,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:03,058 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:50:03,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:03,374 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:50:03,376 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:50:03,385 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:50:03,404 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2023-12-03 02:50:03,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:50:03,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:50:03,413 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:50:03,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:50:03,413 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:50:03,413 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:50:03,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:50:03,414 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:50:03,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2023-12-03 02:50:04,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:04,797 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:50:05,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:05,108 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:50:05,109 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:50:05,119 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:50:05,138 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Forceful destruction successful, exit code 0 [2023-12-03 02:50:05,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:50:05,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:50:05,144 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:50:05,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:50:05,145 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:50:05,145 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:50:05,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:50:05,146 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:50:05,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2023-12-03 02:50:06,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:06,660 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:50:06,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:06,984 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:50:06,986 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:50:06,997 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:50:07,018 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2023-12-03 02:50:07,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:50:07,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:50:07,024 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:50:07,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:50:07,024 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:50:07,024 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:50:07,024 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:50:07,025 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:50:07,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2023-12-03 02:50:08,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:08,494 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:50:08,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:08,830 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:50:08,831 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:50:08,840 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:50:08,861 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2023-12-03 02:50:08,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:50:08,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:50:08,868 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:50:08,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:50:08,869 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:50:08,869 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:50:08,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:50:08,870 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:50:08,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2023-12-03 02:50:10,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:10,348 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:50:10,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:10,650 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:50:10,652 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:50:10,662 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:50:10,688 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2023-12-03 02:50:10,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:50:10,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:50:10,694 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:50:10,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:50:10,694 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:50:10,694 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:50:10,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:50:10,695 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:50:10,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2023-12-03 02:50:12,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:12,299 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:50:12,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:12,600 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:50:12,601 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:50:12,610 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:50:12,633 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2023-12-03 02:50:12,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:50:12,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:50:12,639 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:50:12,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:50:12,639 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:50:12,640 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:50:12,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:50:12,640 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:50:12,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2023-12-03 02:50:14,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:14,257 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:50:14,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:14,563 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:50:14,564 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:50:14,573 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:50:14,596 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2023-12-03 02:50:14,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:50:14,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:50:14,604 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:50:14,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:50:14,604 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:50:14,605 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:50:14,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:50:14,605 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:50:14,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2023-12-03 02:50:16,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:16,295 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:50:16,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:16,597 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:50:16,598 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:50:16,608 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:50:16,633 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2023-12-03 02:50:16,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:50:16,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:50:16,639 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:50:16,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:50:16,639 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:50:16,639 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:50:16,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:50:16,640 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:50:16,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2023-12-03 02:50:18,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:18,333 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:50:18,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:18,654 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:50:18,655 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:50:18,665 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:50:18,690 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2023-12-03 02:50:18,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:50:18,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:50:18,695 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:50:18,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:50:18,696 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:50:18,696 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:50:18,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:50:18,697 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:50:18,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2023-12-03 02:50:20,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:20,287 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:50:20,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:20,619 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:50:20,620 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:50:20,629 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:50:20,655 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2023-12-03 02:50:20,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:50:20,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:50:20,661 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:50:20,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:50:20,662 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:50:20,662 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:50:20,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:50:20,663 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:50:20,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2023-12-03 02:50:22,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:22,487 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:50:22,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:22,759 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:50:22,761 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:50:22,771 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:50:22,801 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Forceful destruction successful, exit code 0 [2023-12-03 02:50:22,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:50:22,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:50:22,806 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:50:22,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:50:22,807 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:50:22,807 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:50:22,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:50:22,808 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:50:22,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2023-12-03 02:50:24,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:24,409 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:50:24,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:24,721 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:50:24,722 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:50:24,731 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:50:24,758 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2023-12-03 02:50:24,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:50:24,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:50:24,763 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:50:24,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:50:24,764 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:50:24,764 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:50:24,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:50:24,765 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:50:24,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2023-12-03 02:50:26,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:26,617 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:50:26,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:26,909 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:50:26,910 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:50:26,920 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:50:26,951 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2023-12-03 02:50:26,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:50:26,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:50:26,957 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:50:26,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:50:26,957 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:50:26,957 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:50:26,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:50:26,958 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:50:26,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2023-12-03 02:50:28,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:28,820 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:50:29,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:29,083 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:50:29,084 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:50:29,093 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:50:29,121 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2023-12-03 02:50:29,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:50:29,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:50:29,127 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:50:29,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:50:29,127 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:50:29,127 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:50:29,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:50:29,128 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:50:29,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2023-12-03 02:50:31,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:31,317 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:50:31,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:31,643 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:50:31,644 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:50:31,654 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:50:31,683 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2023-12-03 02:50:31,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:50:31,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:50:31,689 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:50:31,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:50:31,689 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:50:31,689 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:50:31,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:50:31,690 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:50:31,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2023-12-03 02:50:33,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:33,399 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:50:33,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:33,705 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:50:33,706 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:50:33,714 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:50:33,746 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Ended with exit code 0 [2023-12-03 02:50:33,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:50:33,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:50:33,752 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:50:33,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:50:33,752 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:50:33,752 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:50:33,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:50:33,753 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:50:33,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2023-12-03 02:50:35,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:35,790 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:50:36,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:36,095 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:50:36,096 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:50:36,105 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 02:50:36,135 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Ended with exit code 0 [2023-12-03 02:50:36,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:50:36,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:50:36,141 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:50:36,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:50:36,141 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:50:36,141 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:50:36,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:50:36,142 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:50:36,143 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2023-12-03 02:50:38,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:38,091 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:50:38,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:38,393 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:50:38,394 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:50:38,403 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:50:38,434 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Ended with exit code 0 [2023-12-03 02:50:38,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:50:38,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:50:38,443 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:50:38,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:50:38,444 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:50:38,444 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:50:38,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:50:38,445 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:50:38,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2023-12-03 02:50:40,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:40,491 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:50:40,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:40,818 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:50:40,819 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:50:40,828 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 02:50:40,859 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Forceful destruction successful, exit code 0 [2023-12-03 02:50:40,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:50:40,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:50:40,865 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:50:40,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:50:40,865 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:50:40,865 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:50:40,866 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:50:40,866 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:50:40,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2023-12-03 02:50:43,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:43,062 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:50:43,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:43,324 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:50:43,325 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:50:43,334 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:50:43,366 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Ended with exit code 0 [2023-12-03 02:50:43,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:50:43,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:50:43,371 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:50:43,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:50:43,372 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:50:43,372 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:50:43,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:50:43,373 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:50:43,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2023-12-03 02:50:45,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:45,528 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:50:45,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:45,835 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:50:45,836 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:50:45,845 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:50:45,877 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Ended with exit code 0 [2023-12-03 02:50:45,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:50:45,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:50:45,884 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:50:45,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:50:45,885 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:50:45,885 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:50:45,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:50:45,886 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:50:45,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2023-12-03 02:50:48,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:48,361 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:50:48,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:48,652 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:50:48,653 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:50:48,661 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:50:48,694 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Ended with exit code 0 [2023-12-03 02:50:48,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:50:48,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:50:48,700 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:50:48,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:50:48,700 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:50:48,701 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:50:48,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:50:48,701 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:50:48,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2023-12-03 02:50:51,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:51,090 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:50:51,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:51,389 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:50:51,390 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:50:51,399 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:50:51,433 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Ended with exit code 0 [2023-12-03 02:50:51,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:50:51,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:50:51,438 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:50:51,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:50:51,439 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:50:51,439 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:50:51,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:50:51,440 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:50:51,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (60)] Waiting until timeout for monitored process [2023-12-03 02:50:53,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:53,755 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:50:54,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:54,085 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:50:54,086 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:50:54,095 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:50:54,114 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (60)] Ended with exit code 0 [2023-12-03 02:50:54,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:50:54,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:50:54,120 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:50:54,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:50:54,120 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:50:54,120 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:50:54,120 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:50:54,121 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:50:54,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2023-12-03 02:50:56,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:56,349 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:50:56,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:56,660 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:50:56,662 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:50:56,670 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:50:56,689 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (61)] Ended with exit code 0 [2023-12-03 02:50:56,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:50:56,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:50:56,695 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:50:56,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:50:56,696 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:50:56,696 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:50:56,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:50:56,697 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:50:56,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (62)] Waiting until timeout for monitored process [2023-12-03 02:50:59,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:59,225 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:50:59,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:59,533 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:50:59,534 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:50:59,543 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:50:59,562 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (62)] Ended with exit code 0 [2023-12-03 02:50:59,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:50:59,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:50:59,569 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:50:59,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:50:59,569 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:50:59,569 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:50:59,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:50:59,570 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:50:59,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (63)] Waiting until timeout for monitored process [2023-12-03 02:51:01,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:51:01,931 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:51:02,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:51:02,203 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:51:02,204 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:51:02,214 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:51:02,234 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (63)] Ended with exit code 0 [2023-12-03 02:51:02,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:51:02,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:51:02,240 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:51:02,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:51:02,240 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:51:02,240 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:51:02,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:51:02,241 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:51:02,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (64)] Waiting until timeout for monitored process [2023-12-03 02:51:04,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:51:04,623 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:51:04,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:51:04,926 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:51:04,927 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:51:04,935 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:51:04,955 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (64)] Forceful destruction successful, exit code 0 [2023-12-03 02:51:04,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:51:04,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:51:04,978 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:51:04,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:51:04,978 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:51:04,978 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:51:04,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:51:04,979 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:51:04,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (65)] Waiting until timeout for monitored process [2023-12-03 02:51:07,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:51:07,541 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:51:07,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:51:07,847 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:51:07,848 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:51:07,858 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 02:51:07,879 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (65)] Ended with exit code 0 [2023-12-03 02:51:07,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:51:07,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:51:07,888 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:51:07,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:51:07,888 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:51:07,888 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:51:07,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:51:07,889 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:51:07,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (66)] Waiting until timeout for monitored process [2023-12-03 02:51:10,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:51:10,413 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:51:10,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:51:10,711 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:51:10,712 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:51:10,721 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:51:10,742 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (66)] Ended with exit code 0 [2023-12-03 02:51:10,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:51:10,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:51:10,750 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:51:10,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:51:10,750 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:51:10,750 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:51:10,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:51:10,751 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:51:10,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (67)] Waiting until timeout for monitored process [2023-12-03 02:51:13,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:51:13,269 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:51:13,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:51:13,573 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:51:13,574 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:51:13,583 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:51:13,605 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (67)] Ended with exit code 0 [2023-12-03 02:51:13,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:51:13,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:51:13,611 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:51:13,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:51:13,611 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:51:13,611 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:51:13,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:51:13,612 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:51:13,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (68)] Waiting until timeout for monitored process [2023-12-03 02:51:16,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:51:16,156 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:51:16,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:51:16,449 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:51:16,451 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:51:16,459 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:51:16,481 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (68)] Ended with exit code 0 [2023-12-03 02:51:16,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:51:16,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:51:16,487 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:51:16,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:51:16,487 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:51:16,487 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:51:16,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:51:16,488 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:51:16,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (69)] Waiting until timeout for monitored process [2023-12-03 02:51:19,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:51:19,202 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:51:19,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:51:19,518 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:51:19,519 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:51:19,528 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:51:19,550 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (69)] Ended with exit code 0 [2023-12-03 02:51:19,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:51:19,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:51:19,555 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:51:19,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:51:19,555 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:51:19,555 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:51:19,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:51:19,556 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:51:19,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (70)] Waiting until timeout for monitored process [2023-12-03 02:51:22,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:51:22,158 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:51:22,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:51:22,457 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:51:22,458 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:51:22,467 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:51:22,491 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (70)] Ended with exit code 0 [2023-12-03 02:51:22,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:51:22,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:51:22,498 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:51:22,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:51:22,498 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:51:22,498 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:51:22,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:51:22,499 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:51:22,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (71)] Waiting until timeout for monitored process [2023-12-03 02:51:24,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:51:24,738 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:51:25,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:51:25,032 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:51:25,033 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:51:25,041 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:51:25,064 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (71)] Ended with exit code 0 [2023-12-03 02:51:25,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:51:25,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:51:25,069 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:51:25,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:51:25,070 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:51:25,070 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:51:25,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:51:25,070 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:51:25,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (72)] Waiting until timeout for monitored process [2023-12-03 02:51:27,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:51:27,953 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:51:28,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:51:28,252 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:51:28,254 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:51:28,262 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:51:28,285 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (72)] Ended with exit code 0 [2023-12-03 02:51:28,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:51:28,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:51:28,291 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:51:28,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:51:28,292 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:51:28,292 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:51:28,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:51:28,293 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:51:28,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (73)] Waiting until timeout for monitored process [2023-12-03 02:51:31,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:51:31,043 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:51:31,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:51:31,343 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:51:31,345 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:51:31,354 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:51:31,377 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (73)] Ended with exit code 0 [2023-12-03 02:51:31,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:51:31,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:51:31,383 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:51:31,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:51:31,384 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:51:31,384 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:51:31,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:51:31,384 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:51:31,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (74)] Waiting until timeout for monitored process [2023-12-03 02:51:34,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:51:34,116 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:51:34,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:51:34,409 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:51:34,410 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:51:34,418 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:51:34,443 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (74)] Forceful destruction successful, exit code 0 [2023-12-03 02:51:34,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:51:34,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:51:34,448 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:51:34,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:51:34,448 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:51:34,448 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:51:34,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:51:34,449 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:51:34,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (75)] Waiting until timeout for monitored process [2023-12-03 02:51:37,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:51:37,357 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:51:37,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:51:37,650 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:51:37,651 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:51:37,659 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:51:37,683 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (75)] Ended with exit code 0 [2023-12-03 02:51:37,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:51:37,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:51:37,689 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:51:37,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:51:37,689 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:51:37,689 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:51:37,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:51:37,690 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:51:37,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (76)] Waiting until timeout for monitored process [2023-12-03 02:51:40,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:51:40,466 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:51:40,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:51:40,763 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:51:40,764 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:51:40,773 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:51:40,797 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (76)] Ended with exit code 0 [2023-12-03 02:51:40,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:51:40,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:51:40,803 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:51:40,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:51:40,803 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:51:40,803 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:51:40,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:51:40,804 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:51:40,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (77)] Waiting until timeout for monitored process [2023-12-03 02:51:43,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:51:43,680 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:51:43,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:51:43,981 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:51:43,982 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:51:43,990 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 02:51:44,015 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (77)] Ended with exit code 0 [2023-12-03 02:51:44,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:51:44,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:51:44,020 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:51:44,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:51:44,021 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:51:44,021 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:51:44,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:51:44,022 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:51:44,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (78)] Waiting until timeout for monitored process [2023-12-03 02:51:47,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:51:47,002 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:51:47,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:51:47,296 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:51:47,298 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:51:47,306 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:51:47,332 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (78)] Forceful destruction successful, exit code 0 [2023-12-03 02:51:47,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:51:47,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:51:47,337 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:51:47,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:51:47,337 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:51:47,337 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:51:47,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:51:47,338 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:51:47,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (79)] Waiting until timeout for monitored process [2023-12-03 02:51:50,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:51:50,411 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:51:50,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:51:50,706 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:51:50,707 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:51:50,715 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:51:50,741 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (79)] Ended with exit code 0 [2023-12-03 02:51:50,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:51:50,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:51:50,746 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:51:50,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:51:50,747 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:51:50,747 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:51:50,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:51:50,747 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:51:50,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (80)] Waiting until timeout for monitored process [2023-12-03 02:51:53,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:51:53,669 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:51:53,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:51:53,930 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:51:53,931 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:51:53,939 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:51:53,965 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (80)] Ended with exit code 0 [2023-12-03 02:51:53,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:51:53,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:51:53,970 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:51:53,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:51:53,970 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:51:53,970 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:51:53,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:51:53,971 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:51:53,972 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (81)] Waiting until timeout for monitored process [2023-12-03 02:51:56,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:51:56,882 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:51:57,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:51:57,173 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:51:57,174 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:51:57,182 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:51:57,209 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (81)] Forceful destruction successful, exit code 0 [2023-12-03 02:51:57,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:51:57,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:51:57,214 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:51:57,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:51:57,215 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:51:57,215 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:51:57,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:51:57,215 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:51:57,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (82)] Waiting until timeout for monitored process [2023-12-03 02:52:00,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:52:00,276 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:52:00,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:52:00,562 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:52:00,563 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:52:00,572 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:52:00,599 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (82)] Forceful destruction successful, exit code 0 [2023-12-03 02:52:00,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:52:00,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:52:00,604 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:52:00,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:52:00,605 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:52:00,605 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:52:00,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:52:00,605 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:52:00,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (83)] Waiting until timeout for monitored process [2023-12-03 02:52:03,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:52:03,395 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:52:03,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:52:03,687 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:52:03,688 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:52:03,697 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:52:03,724 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (83)] Ended with exit code 0 [2023-12-03 02:52:03,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:52:03,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:52:03,730 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:52:03,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:52:03,730 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:52:03,730 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:52:03,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:52:03,731 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:52:03,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (84)] Waiting until timeout for monitored process [2023-12-03 02:52:07,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:52:07,055 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:52:07,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:52:07,378 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:52:07,379 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:52:07,387 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:52:07,415 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (84)] Ended with exit code 0 [2023-12-03 02:52:07,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:52:07,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:52:07,421 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:52:07,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:52:07,421 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:52:07,421 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:52:07,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:52:07,422 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:52:07,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (85)] Waiting until timeout for monitored process [2023-12-03 02:52:10,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:52:10,817 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:52:11,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:52:11,144 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:52:11,145 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:52:11,153 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:52:11,181 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (85)] Ended with exit code 0 [2023-12-03 02:52:11,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:52:11,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:52:11,186 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:52:11,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:52:11,186 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:52:11,187 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:52:11,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:52:11,187 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:52:11,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (86)] Waiting until timeout for monitored process [2023-12-03 02:52:14,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:52:14,608 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:52:14,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:52:14,905 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:52:14,907 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:52:14,915 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:52:14,946 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (86)] Ended with exit code 0 [2023-12-03 02:52:14,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:52:14,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:52:14,953 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:52:14,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:52:14,954 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:52:14,954 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:52:14,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:52:14,955 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:52:14,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (87)] Waiting until timeout for monitored process [2023-12-03 02:52:18,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:52:18,316 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:52:18,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:52:18,627 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:52:18,628 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:52:18,637 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:52:18,666 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (87)] Forceful destruction successful, exit code 0 [2023-12-03 02:52:18,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:52:18,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:52:18,672 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:52:18,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:52:18,672 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:52:18,672 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:52:18,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:52:18,673 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:52:18,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (88)] Waiting until timeout for monitored process [2023-12-03 02:52:22,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:52:22,039 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:52:22,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:52:22,344 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:52:22,345 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:52:22,354 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:52:22,383 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (88)] Forceful destruction successful, exit code 0 [2023-12-03 02:52:22,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:52:22,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:52:22,389 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:52:22,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:52:22,389 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:52:22,389 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:52:22,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:52:22,390 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:52:22,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (89)] Waiting until timeout for monitored process [2023-12-03 02:52:25,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:52:25,964 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:52:26,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:52:26,275 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:52:26,276 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:52:26,285 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:52:26,314 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (89)] Ended with exit code 0 [2023-12-03 02:52:26,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:52:26,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:52:26,319 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:52:26,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:52:26,320 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:52:26,320 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:52:26,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:52:26,320 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:52:26,321 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (90)] Waiting until timeout for monitored process [2023-12-03 02:52:29,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:52:29,649 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:52:29,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:52:29,944 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:52:29,945 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:52:29,953 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:52:29,983 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (90)] Ended with exit code 0 [2023-12-03 02:52:29,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:52:29,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:52:29,988 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:52:29,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:52:29,988 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:52:29,988 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:52:29,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:52:29,989 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:52:29,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (91)] Waiting until timeout for monitored process [2023-12-03 02:52:33,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:52:33,554 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:52:33,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:52:33,840 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:52:33,841 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:52:33,850 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:52:33,880 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (91)] Ended with exit code 0 [2023-12-03 02:52:33,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:52:33,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:52:33,904 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:52:33,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:52:33,904 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:52:33,904 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:52:33,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:52:33,905 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:52:33,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (92)] Waiting until timeout for monitored process [2023-12-03 02:52:37,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:52:37,419 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:52:37,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:52:37,727 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:52:37,728 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:52:37,737 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:52:37,767 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (92)] Ended with exit code 0 [2023-12-03 02:52:37,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:52:37,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:52:37,773 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:52:37,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:52:37,773 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:52:37,773 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:52:37,773 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:52:37,774 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:52:37,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (93)] Waiting until timeout for monitored process [2023-12-03 02:52:41,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:52:41,389 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:52:41,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:52:41,691 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:52:41,693 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:52:41,702 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:52:41,732 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (93)] Ended with exit code 0 [2023-12-03 02:52:41,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:52:41,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:52:41,738 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:52:41,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:52:41,738 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:52:41,738 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:52:41,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:52:41,739 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:52:41,741 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (94)] Waiting until timeout for monitored process [2023-12-03 02:52:45,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:52:45,254 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:52:45,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:52:45,573 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:52:45,574 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:52:45,582 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:52:45,613 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (94)] Ended with exit code 0 [2023-12-03 02:52:45,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:52:45,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:52:45,619 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:52:45,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:52:45,619 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:52:45,619 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:52:45,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:52:45,620 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:52:45,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (95)] Waiting until timeout for monitored process [2023-12-03 02:52:49,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:52:49,435 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:52:49,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:52:49,738 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:52:49,739 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:52:49,747 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:52:49,779 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (95)] Forceful destruction successful, exit code 0 [2023-12-03 02:52:49,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:52:49,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:52:49,784 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:52:49,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:52:49,784 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:52:49,784 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:52:49,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:52:49,785 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:52:49,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (96)] Waiting until timeout for monitored process [2023-12-03 02:52:53,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:52:53,399 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:52:53,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:52:53,730 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:52:53,731 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:52:53,739 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:52:53,771 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (96)] Ended with exit code 0 [2023-12-03 02:52:53,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:52:53,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:52:53,776 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:52:53,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:52:53,776 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:52:53,777 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:52:53,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:52:53,777 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:52:53,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (97)] Waiting until timeout for monitored process [2023-12-03 02:52:57,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:52:57,596 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:52:57,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:52:57,892 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:52:57,894 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:52:57,901 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:52:57,933 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (97)] Ended with exit code 0 [2023-12-03 02:52:57,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:52:57,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:52:57,940 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:52:57,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:52:57,940 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:52:57,940 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:52:57,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:52:57,941 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:52:57,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (98)] Waiting until timeout for monitored process [2023-12-03 02:53:01,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:53:01,656 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:53:01,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:53:02,002 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:53:02,003 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:53:02,011 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:53:02,043 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (98)] Ended with exit code 0 [2023-12-03 02:53:02,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:53:02,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:53:02,050 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:53:02,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:53:02,051 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:53:02,051 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:53:02,051 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:53:02,051 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:53:02,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (99)] Waiting until timeout for monitored process [2023-12-03 02:53:06,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:53:06,082 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:53:06,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:53:06,375 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:53:06,376 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:53:06,385 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:53:06,418 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (99)] Ended with exit code 0 [2023-12-03 02:53:06,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:53:06,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:53:06,423 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:53:06,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:53:06,424 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:53:06,424 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:53:06,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:53:06,424 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:53:06,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (100)] Waiting until timeout for monitored process [2023-12-03 02:53:10,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:53:10,086 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:53:10,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:53:10,398 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:53:10,399 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:53:10,407 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:53:10,441 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (100)] Ended with exit code 0 [2023-12-03 02:53:10,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:53:10,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:53:10,447 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:53:10,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:53:10,447 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:53:10,447 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:53:10,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:53:10,448 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:53:10,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (101)] Waiting until timeout for monitored process [2023-12-03 02:53:14,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:53:14,287 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:53:14,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:53:14,588 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:53:14,589 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:53:14,597 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:53:14,631 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (101)] Forceful destruction successful, exit code 0 [2023-12-03 02:53:14,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:53:14,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:53:14,637 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:53:14,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:53:14,637 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:53:14,637 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:53:14,637 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:53:14,638 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:53:14,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (102)] Waiting until timeout for monitored process [2023-12-03 02:53:18,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:53:18,312 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:53:18,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:53:18,631 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:53:18,632 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:53:18,641 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:53:18,675 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (102)] Ended with exit code 0 [2023-12-03 02:53:18,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:53:18,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:53:18,680 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:53:18,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:53:18,680 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:53:18,681 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:53:18,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:53:18,681 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:53:18,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (103)] Waiting until timeout for monitored process [2023-12-03 02:53:22,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:53:22,665 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:53:22,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:53:22,961 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:53:22,962 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:53:22,970 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:53:23,005 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (103)] Ended with exit code 0 [2023-12-03 02:53:23,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:53:23,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:53:23,011 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:53:23,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:53:23,011 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:53:23,011 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:53:23,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:53:23,012 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:53:23,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (104)] Waiting until timeout for monitored process [2023-12-03 02:53:26,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:53:26,719 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:53:27,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:53:27,024 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:53:27,025 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:53:27,033 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:53:27,068 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (104)] Ended with exit code 0 [2023-12-03 02:53:27,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:53:27,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:53:27,073 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:53:27,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:53:27,074 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:53:27,074 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:53:27,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:53:27,075 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:53:27,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (105)] Waiting until timeout for monitored process [2023-12-03 02:53:31,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:53:31,151 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:53:31,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:53:31,446 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:53:31,447 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:53:31,472 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:53:31,507 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (105)] Ended with exit code 0 [2023-12-03 02:53:31,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:53:31,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:53:31,512 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:53:31,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:53:31,512 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:53:31,513 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:53:31,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:53:31,514 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:53:31,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (106)] Waiting until timeout for monitored process [2023-12-03 02:53:35,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:53:35,434 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:53:35,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:53:35,747 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:53:35,748 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:53:35,756 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:53:35,792 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (106)] Ended with exit code 0 [2023-12-03 02:53:35,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:53:35,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:53:35,797 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:53:35,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:53:35,798 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:53:35,798 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:53:35,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:53:35,799 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:53:35,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (107)] Waiting until timeout for monitored process [2023-12-03 02:53:39,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:53:39,155 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:53:39,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:53:39,454 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:53:39,455 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:53:39,464 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:53:39,500 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (107)] Ended with exit code 0 [2023-12-03 02:53:39,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:53:39,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:53:39,506 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:53:39,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:53:39,506 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:53:39,506 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:53:39,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:53:39,507 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:53:39,508 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (108)] Waiting until timeout for monitored process [2023-12-03 02:53:43,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:53:43,642 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:53:43,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:53:43,987 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:53:43,989 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:53:43,997 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:53:44,033 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (108)] Ended with exit code 0 [2023-12-03 02:53:44,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:53:44,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:53:44,040 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:53:44,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:53:44,040 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:53:44,040 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:53:44,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:53:44,041 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:53:44,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (109)] Waiting until timeout for monitored process [2023-12-03 02:53:48,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:53:48,227 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:53:48,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:53:48,530 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:53:48,531 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:53:48,539 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:53:48,575 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (109)] Ended with exit code 0 [2023-12-03 02:53:48,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:53:48,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:53:48,580 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:53:48,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:53:48,580 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:53:48,581 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:53:48,581 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:53:48,581 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:53:48,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (110)] Waiting until timeout for monitored process [2023-12-03 02:53:52,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:53:52,888 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:53:53,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:53:53,197 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:53:53,199 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:53:53,208 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:53:53,245 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (110)] Ended with exit code 0 [2023-12-03 02:53:53,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:53:53,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:53:53,250 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:53:53,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:53:53,250 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:53:53,251 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:53:53,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:53:53,251 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:53:53,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (111)] Waiting until timeout for monitored process [2023-12-03 02:53:57,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:53:57,204 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:53:57,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:53:57,509 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:53:57,511 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:53:57,519 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:53:57,556 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (111)] Ended with exit code 0 [2023-12-03 02:53:57,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:53:57,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:53:57,562 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:53:57,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:53:57,562 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:53:57,562 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:53:57,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:53:57,563 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:53:57,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (112)] Waiting until timeout for monitored process [2023-12-03 02:54:01,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:01,779 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:54:02,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:02,064 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:54:02,065 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:54:02,074 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:54:02,112 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (112)] Ended with exit code 0 [2023-12-03 02:54:02,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:54:02,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:54:02,118 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:54:02,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:54:02,119 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:54:02,119 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:54:02,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:54:02,120 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:54:02,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (113)] Waiting until timeout for monitored process [2023-12-03 02:54:06,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:06,318 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:54:06,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:06,606 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:54:06,607 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:54:06,615 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:54:06,654 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (113)] Ended with exit code 0 [2023-12-03 02:54:06,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:54:06,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:54:06,659 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:54:06,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:54:06,659 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:54:06,659 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:54:06,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:54:06,660 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:54:06,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (114)] Waiting until timeout for monitored process [2023-12-03 02:54:10,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:10,901 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:54:11,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:11,193 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:54:11,194 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:54:11,202 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:54:11,241 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (114)] Ended with exit code 0 [2023-12-03 02:54:11,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:54:11,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:54:11,246 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:54:11,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:54:11,246 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:54:11,246 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:54:11,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:54:11,247 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:54:11,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (115)] Waiting until timeout for monitored process [2023-12-03 02:54:15,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:15,365 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:54:15,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:15,668 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:54:15,669 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:54:15,677 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 02:54:15,717 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (115)] Ended with exit code 0 [2023-12-03 02:54:15,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:54:15,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:54:15,722 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:54:15,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:54:15,723 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:54:15,723 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:54:15,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:54:15,724 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:54:15,724 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (116)] Waiting until timeout for monitored process [2023-12-03 02:54:20,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:20,172 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:54:20,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:20,497 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:54:20,498 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:54:20,506 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:54:20,546 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (116)] Ended with exit code 0 [2023-12-03 02:54:20,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:54:20,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:54:20,551 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:54:20,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:54:20,551 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:54:20,551 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:54:20,551 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:54:20,552 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:54:20,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (117)] Waiting until timeout for monitored process [2023-12-03 02:54:24,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:24,451 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:54:24,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:24,754 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:54:24,755 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:54:24,764 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:54:24,805 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (117)] Ended with exit code 0 [2023-12-03 02:54:24,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:54:24,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:54:24,811 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:54:24,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:54:24,811 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:54:24,811 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:54:24,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:54:24,812 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:54:24,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (118)] Waiting until timeout for monitored process [2023-12-03 02:54:28,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:28,962 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:54:29,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:29,250 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:54:29,251 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:54:29,259 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:54:29,299 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (118)] Ended with exit code 0 [2023-12-03 02:54:29,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:54:29,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:54:29,304 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:54:29,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:54:29,305 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:54:29,305 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:54:29,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:54:29,306 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:54:29,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (119)] Waiting until timeout for monitored process [2023-12-03 02:54:33,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:33,736 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:54:34,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:34,036 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:54:34,037 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:54:34,045 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:54:34,087 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (119)] Ended with exit code 0 [2023-12-03 02:54:34,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:54:34,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:54:34,092 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:54:34,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:54:34,092 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:54:34,092 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:54:34,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:54:34,093 INFO L229 MonitoredProcess]: Starting monitored process 120 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:54:34,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (120)] Waiting until timeout for monitored process [2023-12-03 02:54:38,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:38,466 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:54:38,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:38,772 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:54:38,774 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:54:38,782 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:54:38,823 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (120)] Ended with exit code 0 [2023-12-03 02:54:38,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:54:38,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:54:38,828 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:54:38,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:54:38,828 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:54:38,828 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:54:38,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:54:38,829 INFO L229 MonitoredProcess]: Starting monitored process 121 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:54:38,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (121)] Waiting until timeout for monitored process [2023-12-03 02:54:43,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:43,426 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:54:43,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:43,718 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:54:43,719 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:54:43,729 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:54:43,770 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (121)] Ended with exit code 0 [2023-12-03 02:54:43,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:54:43,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:54:43,775 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:54:43,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:54:43,776 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:54:43,776 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:54:43,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:54:43,776 INFO L229 MonitoredProcess]: Starting monitored process 122 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:54:43,777 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (122)] Waiting until timeout for monitored process [2023-12-03 02:54:48,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:48,284 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:54:48,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:48,597 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:54:48,599 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:54:48,606 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:54:48,649 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (122)] Ended with exit code 0 [2023-12-03 02:54:48,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:54:48,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:54:48,657 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:54:48,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:54:48,657 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:54:48,657 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:54:48,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:54:48,659 INFO L229 MonitoredProcess]: Starting monitored process 123 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:54:48,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (123)] Waiting until timeout for monitored process [2023-12-03 02:54:52,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:52,952 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:54:53,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:53,257 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:54:53,258 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:54:53,266 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:54:53,308 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (123)] Ended with exit code 0 [2023-12-03 02:54:53,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:54:53,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:54:53,314 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:54:53,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:54:53,314 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:54:53,314 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:54:53,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:54:53,315 INFO L229 MonitoredProcess]: Starting monitored process 124 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:54:53,315 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (124)] Waiting until timeout for monitored process [2023-12-03 02:54:58,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:58,019 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:54:58,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:58,339 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:54:58,340 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:54:58,348 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:54:58,391 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (124)] Ended with exit code 0 [2023-12-03 02:54:58,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:54:58,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:54:58,396 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:54:58,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:54:58,396 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:54:58,397 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:54:58,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:54:58,397 INFO L229 MonitoredProcess]: Starting monitored process 125 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:54:58,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (125)] Waiting until timeout for monitored process [2023-12-03 02:55:02,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:55:02,873 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:55:03,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:55:03,203 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:55:03,204 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:55:03,212 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 02:55:03,255 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (125)] Ended with exit code 0 [2023-12-03 02:55:03,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:55:03,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:55:03,260 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:55:03,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:55:03,260 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:55:03,260 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:55:03,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:55:03,261 INFO L229 MonitoredProcess]: Starting monitored process 126 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:55:03,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (126)] Waiting until timeout for monitored process [2023-12-03 02:55:08,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:55:08,146 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:55:08,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:55:08,466 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:55:08,467 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:55:08,475 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:55:08,519 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (126)] Ended with exit code 0 [2023-12-03 02:55:08,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:55:08,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:55:08,525 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:55:08,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:55:08,525 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:55:08,525 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:55:08,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:55:08,526 INFO L229 MonitoredProcess]: Starting monitored process 127 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:55:08,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (127)] Waiting until timeout for monitored process [2023-12-03 02:55:13,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:55:13,135 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:55:13,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:55:13,436 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:55:13,437 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:55:13,445 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:55:13,488 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (127)] Ended with exit code 0 [2023-12-03 02:55:13,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:55:13,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:55:13,493 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:55:13,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:55:13,494 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:55:13,494 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:55:13,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:55:13,495 INFO L229 MonitoredProcess]: Starting monitored process 128 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:55:13,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (128)] Waiting until timeout for monitored process [2023-12-03 02:55:18,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:55:18,111 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:55:18,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:55:18,443 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:55:18,444 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:55:18,452 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:55:18,496 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (128)] Forceful destruction successful, exit code 0 [2023-12-03 02:55:18,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:55:18,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:55:18,501 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:55:18,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:55:18,501 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:55:18,502 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:55:18,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:55:18,503 INFO L229 MonitoredProcess]: Starting monitored process 129 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:55:18,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (129)] Waiting until timeout for monitored process [2023-12-03 02:55:23,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:55:23,431 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:55:23,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:55:23,751 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:55:23,752 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:55:23,761 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:55:23,805 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (129)] Ended with exit code 0 [2023-12-03 02:55:23,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:55:23,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:55:23,810 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:55:23,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:55:23,811 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:55:23,811 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:55:23,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:55:23,812 INFO L229 MonitoredProcess]: Starting monitored process 130 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:55:23,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (130)] Waiting until timeout for monitored process [2023-12-03 02:55:28,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:55:28,650 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:55:28,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:55:28,971 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:55:28,972 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:55:28,980 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:55:29,024 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (130)] Ended with exit code 0 [2023-12-03 02:55:29,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:55:29,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:55:29,029 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:55:29,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:55:29,029 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:55:29,030 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:55:29,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:55:29,030 INFO L229 MonitoredProcess]: Starting monitored process 131 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:55:29,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (131)] Waiting until timeout for monitored process [2023-12-03 02:55:33,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:55:33,618 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:55:33,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:55:33,898 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:55:33,899 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:55:33,908 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:55:33,953 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (131)] Ended with exit code 0 [2023-12-03 02:55:33,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:55:33,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:55:33,958 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:55:33,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:55:33,959 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:55:33,959 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:55:33,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:55:33,959 INFO L229 MonitoredProcess]: Starting monitored process 132 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:55:33,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (132)] Waiting until timeout for monitored process [2023-12-03 02:55:38,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:55:38,731 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:55:39,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:55:39,036 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:55:39,037 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:55:39,045 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:55:39,091 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (132)] Ended with exit code 0 [2023-12-03 02:55:39,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:55:39,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:55:39,096 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:55:39,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:55:39,096 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:55:39,096 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:55:39,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:55:39,097 INFO L229 MonitoredProcess]: Starting monitored process 133 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:55:39,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (133)] Waiting until timeout for monitored process [2023-12-03 02:55:43,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:55:43,849 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:55:44,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:55:44,149 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:55:44,150 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:55:44,158 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:55:44,204 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (133)] Ended with exit code 0 [2023-12-03 02:55:44,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:55:44,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:55:44,209 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:55:44,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:55:44,210 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:55:44,210 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:55:44,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:55:44,211 INFO L229 MonitoredProcess]: Starting monitored process 134 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:55:44,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (134)] Waiting until timeout for monitored process [2023-12-03 02:55:49,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:55:49,177 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:55:49,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:55:49,506 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:55:49,507 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:55:49,515 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:55:49,561 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (134)] Ended with exit code 0 [2023-12-03 02:55:49,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:55:49,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:55:49,566 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:55:49,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:55:49,567 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:55:49,567 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:55:49,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:55:49,568 INFO L229 MonitoredProcess]: Starting monitored process 135 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:55:49,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (135)] Waiting until timeout for monitored process [2023-12-03 02:55:54,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:55:54,282 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:55:54,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:55:54,603 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:55:54,604 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:55:54,613 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 02:55:54,659 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (135)] Ended with exit code 0 [2023-12-03 02:55:54,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:55:54,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:55:54,664 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:55:54,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:55:54,665 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:55:54,665 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:55:54,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:55:54,665 INFO L229 MonitoredProcess]: Starting monitored process 136 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:55:54,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (136)] Waiting until timeout for monitored process [2023-12-03 02:55:59,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:55:59,849 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:56:00,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:56:00,157 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:56:00,158 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:56:00,166 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 02:56:00,213 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (136)] Ended with exit code 0 [2023-12-03 02:56:00,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:56:00,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:56:00,218 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:56:00,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:56:00,218 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:56:00,218 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:56:00,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:56:00,219 INFO L229 MonitoredProcess]: Starting monitored process 137 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:56:00,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (137)] Waiting until timeout for monitored process [2023-12-03 02:56:05,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:56:05,645 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:56:05,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:56:05,945 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:56:05,946 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:56:05,955 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:56:06,005 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (137)] Ended with exit code 0 [2023-12-03 02:56:06,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:56:06,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:56:06,010 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:56:06,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:56:06,010 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:56:06,010 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:56:06,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:56:06,011 INFO L229 MonitoredProcess]: Starting monitored process 138 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:56:06,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (138)] Waiting until timeout for monitored process [2023-12-03 02:56:11,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:56:11,391 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:56:11,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:56:11,697 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:56:11,698 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:56:11,706 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:56:11,755 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (138)] Ended with exit code 0 [2023-12-03 02:56:11,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:56:11,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:56:11,761 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:56:11,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:56:11,761 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:56:11,761 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:56:11,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:56:11,762 INFO L229 MonitoredProcess]: Starting monitored process 139 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:56:11,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (139)] Waiting until timeout for monitored process [2023-12-03 02:56:17,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:56:17,138 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:56:17,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:56:17,435 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:56:17,436 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:56:17,444 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 02:56:17,492 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (139)] Ended with exit code 0 [2023-12-03 02:56:17,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:56:17,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:56:17,497 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:56:17,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:56:17,497 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:56:17,497 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:56:17,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:56:17,498 INFO L229 MonitoredProcess]: Starting monitored process 140 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:56:17,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (140)] Waiting until timeout for monitored process [2023-12-03 02:56:22,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:56:22,723 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:56:22,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:56:23,009 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:56:23,010 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:56:23,018 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:56:23,065 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (140)] Ended with exit code 0 [2023-12-03 02:56:23,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:56:23,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:56:23,070 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:56:23,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:56:23,070 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:56:23,071 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:56:23,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:56:23,071 INFO L229 MonitoredProcess]: Starting monitored process 141 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:56:23,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (141)] Waiting until timeout for monitored process [2023-12-03 02:56:28,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:56:28,602 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:56:28,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:56:28,885 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:56:28,886 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:56:28,894 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 02:56:28,959 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (141)] Ended with exit code 0 [2023-12-03 02:56:28,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:56:28,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:56:28,966 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:56:28,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:56:28,966 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:56:28,966 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:56:28,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:56:28,967 INFO L229 MonitoredProcess]: Starting monitored process 142 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:56:28,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (142)] Waiting until timeout for monitored process [2023-12-03 02:56:33,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:56:33,725 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:56:34,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:56:34,043 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:56:34,044 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:56:34,052 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:56:34,100 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (142)] Ended with exit code 0 [2023-12-03 02:56:34,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:56:34,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:56:34,105 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:56:34,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:56:34,105 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:56:34,105 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:56:34,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:56:34,106 INFO L229 MonitoredProcess]: Starting monitored process 143 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:56:34,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (143)] Waiting until timeout for monitored process [2023-12-03 02:56:39,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:56:39,686 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:56:39,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:56:39,976 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:56:39,978 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:56:39,988 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:56:40,041 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (143)] Ended with exit code 0 [2023-12-03 02:56:40,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:56:40,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:56:40,047 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:56:40,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:56:40,048 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:56:40,048 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:56:40,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:56:40,049 INFO L229 MonitoredProcess]: Starting monitored process 144 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:56:40,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (144)] Waiting until timeout for monitored process [2023-12-03 02:56:45,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:56:45,351 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:56:45,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:56:45,638 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:56:45,639 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:56:45,647 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:56:45,696 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (144)] Ended with exit code 0 [2023-12-03 02:56:45,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:56:45,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:56:45,701 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:56:45,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:56:45,701 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:56:45,701 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:56:45,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:56:45,702 INFO L229 MonitoredProcess]: Starting monitored process 145 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:56:45,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (145)] Waiting until timeout for monitored process [2023-12-03 02:56:50,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:56:50,973 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:56:51,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:56:51,298 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:56:51,299 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:56:51,308 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:56:51,359 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (145)] Forceful destruction successful, exit code 0 [2023-12-03 02:56:51,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:56:51,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:56:51,364 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:56:51,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:56:51,364 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:56:51,364 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:56:51,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:56:51,365 INFO L229 MonitoredProcess]: Starting monitored process 146 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:56:51,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (146)] Waiting until timeout for monitored process [2023-12-03 02:56:56,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:56:56,814 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:56:57,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:56:57,106 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:56:57,107 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:56:57,116 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:56:57,166 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (146)] Ended with exit code 0 [2023-12-03 02:56:57,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:56:57,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:56:57,171 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:56:57,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:56:57,171 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:56:57,171 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:56:57,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:56:57,172 INFO L229 MonitoredProcess]: Starting monitored process 147 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:56:57,173 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (147)] Waiting until timeout for monitored process [2023-12-03 02:57:02,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:57:02,579 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:57:02,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:57:02,896 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:57:02,897 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:57:02,906 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:57:02,959 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (147)] Ended with exit code 0 [2023-12-03 02:57:02,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:57:02,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:57:02,964 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:57:02,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:57:02,964 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:57:02,964 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:57:02,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:57:02,965 INFO L229 MonitoredProcess]: Starting monitored process 148 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:57:02,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (148)] Waiting until timeout for monitored process [2023-12-03 02:57:08,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:57:08,563 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:57:08,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:57:08,863 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:57:08,864 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:57:08,872 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:57:08,924 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (148)] Ended with exit code 0 [2023-12-03 02:57:08,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:57:08,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:57:08,929 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:57:08,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:57:08,929 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:57:08,929 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:57:08,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:57:08,930 INFO L229 MonitoredProcess]: Starting monitored process 149 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:57:08,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (149)] Waiting until timeout for monitored process [2023-12-03 02:57:14,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:57:14,496 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:57:14,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:57:14,789 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:57:14,790 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:57:14,798 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:57:14,853 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (149)] Ended with exit code 0 [2023-12-03 02:57:14,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:57:14,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:57:14,859 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:57:14,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:57:14,859 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:57:14,859 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:57:14,859 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:57:14,860 INFO L229 MonitoredProcess]: Starting monitored process 150 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:57:14,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (150)] Waiting until timeout for monitored process [2023-12-03 02:57:20,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:57:20,633 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:57:20,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:57:20,933 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:57:20,934 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:57:20,944 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:57:21,004 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (150)] Ended with exit code 0 [2023-12-03 02:57:21,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:57:21,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:57:21,010 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:57:21,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:57:21,010 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:57:21,010 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:57:21,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:57:21,011 INFO L229 MonitoredProcess]: Starting monitored process 151 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:57:21,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (151)] Waiting until timeout for monitored process [2023-12-03 02:57:26,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:57:26,690 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:57:26,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:57:26,997 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:57:26,998 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:57:27,008 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:57:27,068 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (151)] Ended with exit code 0 [2023-12-03 02:57:27,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:57:27,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:57:27,074 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:57:27,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:57:27,074 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:57:27,074 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:57:27,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:57:27,075 INFO L229 MonitoredProcess]: Starting monitored process 152 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:57:27,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (152)] Waiting until timeout for monitored process [2023-12-03 02:57:32,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:57:32,653 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:57:32,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:57:32,930 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:57:32,931 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:57:32,940 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:57:32,996 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (152)] Ended with exit code 0 [2023-12-03 02:57:33,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:57:33,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:57:33,002 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:57:33,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:57:33,002 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:57:33,002 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:57:33,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:57:33,003 INFO L229 MonitoredProcess]: Starting monitored process 153 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:57:33,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (153)] Waiting until timeout for monitored process [2023-12-03 02:57:38,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:57:38,442 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:57:38,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:57:38,749 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:57:38,750 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:57:38,759 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:57:38,818 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (153)] Ended with exit code 0 [2023-12-03 02:57:38,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:57:38,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:57:38,824 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:57:38,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:57:38,824 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:57:38,825 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:57:38,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:57:38,825 INFO L229 MonitoredProcess]: Starting monitored process 154 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:57:38,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (154)] Waiting until timeout for monitored process [2023-12-03 02:57:44,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:57:44,486 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:57:44,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:57:44,791 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:57:44,792 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:57:44,801 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:57:44,856 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (154)] Ended with exit code 0 [2023-12-03 02:57:44,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:57:44,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:57:44,861 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:57:44,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:57:44,861 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:57:44,861 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:57:44,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:57:44,862 INFO L229 MonitoredProcess]: Starting monitored process 155 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:57:44,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (155)] Waiting until timeout for monitored process [2023-12-03 02:57:51,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:57:51,072 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:57:51,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:57:51,382 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:57:51,383 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:57:51,392 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:57:51,447 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (155)] Ended with exit code 0 [2023-12-03 02:57:51,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:57:51,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:57:51,453 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:57:51,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:57:51,453 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:57:51,453 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:57:51,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:57:51,454 INFO L229 MonitoredProcess]: Starting monitored process 156 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:57:51,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (156)] Waiting until timeout for monitored process [2023-12-03 02:57:57,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:57:57,542 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:57:57,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:57:57,886 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:57:57,887 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:57:57,896 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:57:57,951 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (156)] Forceful destruction successful, exit code 0 [2023-12-03 02:57:57,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:57:57,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:57:57,956 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:57:57,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:57:57,956 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:57:57,956 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:57:57,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:57:57,957 INFO L229 MonitoredProcess]: Starting monitored process 157 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:57:57,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (157)] Waiting until timeout for monitored process [2023-12-03 02:58:03,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:58:03,800 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:58:04,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:58:04,113 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:58:04,114 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:58:04,121 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:58:04,177 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (157)] Ended with exit code 0 [2023-12-03 02:58:04,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:58:04,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:58:04,183 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:58:04,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:58:04,183 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:58:04,183 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:58:04,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:58:04,184 INFO L229 MonitoredProcess]: Starting monitored process 158 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:58:04,184 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (158)] Waiting until timeout for monitored process [2023-12-03 02:58:10,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:58:10,241 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:58:10,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:58:10,523 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:58:10,524 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:58:10,532 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:58:10,587 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (158)] Ended with exit code 0 [2023-12-03 02:58:10,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:58:10,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:58:10,592 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:58:10,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:58:10,592 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:58:10,592 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:58:10,592 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:58:10,593 INFO L229 MonitoredProcess]: Starting monitored process 159 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:58:10,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (159)] Waiting until timeout for monitored process [2023-12-03 02:58:16,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:58:16,762 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:58:17,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:58:17,071 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:58:17,072 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:58:17,080 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:58:17,135 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (159)] Ended with exit code 0 [2023-12-03 02:58:17,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:58:17,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 139 states and 185 transitions. [2023-12-03 02:58:17,141 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 185 transitions. [2023-12-03 02:58:17,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:58:17,141 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:58:17,141 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:58:17,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:58:17,142 INFO L229 MonitoredProcess]: Starting monitored process 160 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:58:17,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ec4e205-b940-48db-aae8-f06c6a418818/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (160)] Waiting until timeout for monitored process