./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test2-1.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_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/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_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test2-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/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_52db6291-2501-43ec-83d2-6cf69688a853/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 69d24e9affd7540aafb8052ecd737d7732ca2a63c7e8e16adc4217413d1d99a5 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 01:17:28,041 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 01:17:28,107 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 01:17:28,111 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 01:17:28,112 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 01:17:28,135 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 01:17:28,136 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 01:17:28,136 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 01:17:28,137 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 01:17:28,138 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 01:17:28,138 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 01:17:28,139 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 01:17:28,139 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 01:17:28,140 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 01:17:28,140 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 01:17:28,141 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 01:17:28,141 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 01:17:28,142 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 01:17:28,142 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 01:17:28,143 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 01:17:28,143 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 01:17:28,144 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 01:17:28,145 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 01:17:28,145 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 01:17:28,146 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 01:17:28,146 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 01:17:28,147 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:17:28,147 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 01:17:28,148 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 01:17:28,148 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 01:17:28,148 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 01:17:28,149 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 01:17:28,149 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 01:17:28,150 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_52db6291-2501-43ec-83d2-6cf69688a853/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 69d24e9affd7540aafb8052ecd737d7732ca2a63c7e8e16adc4217413d1d99a5 [2023-12-03 01:17:28,380 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 01:17:28,403 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 01:17:28,406 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 01:17:28,407 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 01:17:28,408 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 01:17:28,409 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test2-1.i [2023-12-03 01:17:31,235 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 01:17:31,515 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 01:17:31,515 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test2-1.i [2023-12-03 01:17:31,537 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/data/fa7394ffe/b9641dbfedcd44a49fba1eb112442971/FLAG208a36aff [2023-12-03 01:17:31,551 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/data/fa7394ffe/b9641dbfedcd44a49fba1eb112442971 [2023-12-03 01:17:31,553 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 01:17:31,555 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 01:17:31,556 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 01:17:31,556 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 01:17:31,561 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 01:17:31,561 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:17:31" (1/1) ... [2023-12-03 01:17:31,563 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7db440fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:17:31, skipping insertion in model container [2023-12-03 01:17:31,563 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:17:31" (1/1) ... [2023-12-03 01:17:31,627 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:17:32,072 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_52db6291-2501-43ec-83d2-6cf69688a853/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test2-1.i[37019,37032] [2023-12-03 01:17:32,175 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_52db6291-2501-43ec-83d2-6cf69688a853/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test2-1.i[47352,47365] [2023-12-03 01:17:32,182 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:17:32,195 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 01:17:32,232 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_52db6291-2501-43ec-83d2-6cf69688a853/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test2-1.i[37019,37032] [2023-12-03 01:17:32,288 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_52db6291-2501-43ec-83d2-6cf69688a853/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test2-1.i[47352,47365] [2023-12-03 01:17:32,291 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:17:32,325 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:17:32,332 INFO L206 MainTranslator]: Completed translation [2023-12-03 01:17:32,333 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:17:32 WrapperNode [2023-12-03 01:17:32,333 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 01:17:32,334 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 01:17:32,334 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 01:17:32,334 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 01:17:32,341 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:17:32" (1/1) ... [2023-12-03 01:17:32,378 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:17:32" (1/1) ... [2023-12-03 01:17:32,446 INFO L138 Inliner]: procedures = 208, calls = 235, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1207 [2023-12-03 01:17:32,446 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 01:17:32,447 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 01:17:32,447 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 01:17:32,447 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 01:17:32,456 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:17:32" (1/1) ... [2023-12-03 01:17:32,456 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:17:32" (1/1) ... [2023-12-03 01:17:32,467 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:17:32" (1/1) ... [2023-12-03 01:17:32,467 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:17:32" (1/1) ... [2023-12-03 01:17:32,511 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:17:32" (1/1) ... [2023-12-03 01:17:32,551 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:17:32" (1/1) ... [2023-12-03 01:17:32,556 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:17:32" (1/1) ... [2023-12-03 01:17:32,564 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:17:32" (1/1) ... [2023-12-03 01:17:32,574 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 01:17:32,575 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 01:17:32,576 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 01:17:32,576 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 01:17:32,577 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:17:32" (1/1) ... [2023-12-03 01:17:32,582 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:17:32,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 01:17:32,619 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 01:17:32,621 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 01:17:32,657 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-03 01:17:32,657 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-03 01:17:32,657 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 01:17:32,658 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-12-03 01:17:32,658 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-03 01:17:32,658 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 01:17:32,658 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 01:17:32,658 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 01:17:32,658 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 01:17:32,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 01:17:32,659 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 01:17:32,659 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 01:17:32,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-03 01:17:32,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 01:17:32,659 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 01:17:32,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 01:17:32,870 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 01:17:32,872 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 01:17:34,132 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 01:17:35,254 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 01:17:35,254 INFO L309 CfgBuilder]: Removed 54 assume(true) statements. [2023-12-03 01:17:35,256 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:17:35 BoogieIcfgContainer [2023-12-03 01:17:35,256 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 01:17:35,257 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 01:17:35,257 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 01:17:35,266 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 01:17:35,266 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:17:35" (1/1) ... [2023-12-03 01:17:35,275 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 01:17:35,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:17:35,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 116 states and 196 transitions. [2023-12-03 01:17:35,334 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 196 transitions. [2023-12-03 01:17:35,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-03 01:17:35,336 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:17:35,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:17:35,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:17:35,490 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 01:17:35,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:17:35,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 116 states and 191 transitions. [2023-12-03 01:17:35,513 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 191 transitions. [2023-12-03 01:17:35,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 01:17:35,518 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:17:35,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:17:35,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:17:35,691 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 01:17:35,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:17:35,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 118 states and 190 transitions. [2023-12-03 01:17:35,740 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 190 transitions. [2023-12-03 01:17:35,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-03 01:17:35,742 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:17:35,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:17:35,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:17:35,848 INFO L262 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:17:35,852 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:17:35,860 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 01:17:35,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:17:35,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 118 states and 186 transitions. [2023-12-03 01:17:35,871 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 186 transitions. [2023-12-03 01:17:35,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-03 01:17:35,873 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:17:35,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:17:36,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:17:36,008 INFO L262 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:17:36,011 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:17:36,016 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 01:17:46,049 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 01:17:46,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:17:46,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 118 states and 180 transitions. [2023-12-03 01:17:46,080 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 180 transitions. [2023-12-03 01:17:46,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 01:17:46,083 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:17:46,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:17:46,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:17:46,286 INFO L262 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:17:46,289 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:17:46,294 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 01:17:46,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:17:46,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 118 states and 174 transitions. [2023-12-03 01:17:46,304 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 174 transitions. [2023-12-03 01:17:46,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-12-03 01:17:46,306 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:17:46,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:17:46,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:17:46,508 INFO L262 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:17:46,512 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:17:46,517 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 01:17:56,542 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 01:17:56,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:17:56,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 118 states and 166 transitions. [2023-12-03 01:17:56,649 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 166 transitions. [2023-12-03 01:17:56,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 01:17:56,651 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:17:56,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:17:56,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:17:56,920 INFO L262 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:17:56,924 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:17:57,013 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 01:18:07,215 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:18:17,257 WARN L539 Checker$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 01:18:27,298 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:18:37,326 WARN L539 Checker$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 01:18:37,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:18:37,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 131 states and 181 transitions. [2023-12-03 01:18:37,363 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 181 transitions. [2023-12-03 01:18:37,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 01:18:37,364 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:18:37,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:18:37,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:18:37,595 INFO L262 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:18:37,598 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:18:37,602 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 01:18:37,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:18:37,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 131 states and 179 transitions. [2023-12-03 01:18:37,612 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 179 transitions. [2023-12-03 01:18:37,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-12-03 01:18:37,614 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:18:37,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:18:37,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:18:37,921 INFO L262 TraceCheckSpWp]: Trace formula consists of 415 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:18:37,923 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:18:37,927 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 01:18:47,940 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:18:47,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:18:47,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 131 states and 177 transitions. [2023-12-03 01:18:47,977 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 177 transitions. [2023-12-03 01:18:47,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 01:18:47,978 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:18:47,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:18:48,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:18:48,249 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:18:48,251 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:18:48,340 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:18:58,356 WARN L539 Checker$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 01:19:08,383 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:19:18,423 WARN L539 Checker$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 01:19:28,458 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:19:28,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:19:28,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 134 states and 179 transitions. [2023-12-03 01:19:28,487 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 179 transitions. [2023-12-03 01:19:28,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-03 01:19:28,488 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:19:28,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:19:28,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:19:28,793 INFO L262 TraceCheckSpWp]: Trace formula consists of 548 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:19:28,796 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:19:28,919 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 01:19:39,044 WARN L539 Checker$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 01:19:49,077 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:19:59,116 WARN L539 Checker$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 01:20:09,140 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:20:19,709 WARN L539 Checker$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 01:20:29,744 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:20:39,776 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:20:49,840 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:20:49,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:20:49,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 180 states and 238 transitions. [2023-12-03 01:20:49,937 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 238 transitions. [2023-12-03 01:20:49,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-12-03 01:20:49,938 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:20:49,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:20:50,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:20:50,226 INFO L262 TraceCheckSpWp]: Trace formula consists of 562 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:20:50,229 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:20:50,233 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 01:21:00,252 WARN L539 Checker$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 01:21:00,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:21:00,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 180 states and 236 transitions. [2023-12-03 01:21:00,284 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 236 transitions. [2023-12-03 01:21:00,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-12-03 01:21:00,285 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:21:00,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:21:00,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:21:00,543 INFO L262 TraceCheckSpWp]: Trace formula consists of 548 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:21:00,545 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:21:00,549 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 01:21:00,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:21:00,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 180 states and 232 transitions. [2023-12-03 01:21:00,563 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 232 transitions. [2023-12-03 01:21:00,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-03 01:21:00,564 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:21:00,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:21:00,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:21:00,891 INFO L262 TraceCheckSpWp]: Trace formula consists of 571 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:21:00,893 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:21:00,955 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 01:21:10,975 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:21:20,992 WARN L539 Checker$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 01:21:31,021 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:21:41,075 WARN L539 Checker$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 01:21:41,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:21:41,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 183 states and 234 transitions. [2023-12-03 01:21:41,103 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 234 transitions. [2023-12-03 01:21:41,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-03 01:21:41,103 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:21:41,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:21:41,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:21:41,369 INFO L262 TraceCheckSpWp]: Trace formula consists of 589 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:21:41,371 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:21:41,374 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 01:21:41,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:21:41,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 183 states and 232 transitions. [2023-12-03 01:21:41,528 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 232 transitions. [2023-12-03 01:21:41,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-03 01:21:41,529 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:21:41,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:21:41,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:21:41,837 INFO L262 TraceCheckSpWp]: Trace formula consists of 571 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:21:41,840 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:21:41,913 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 01:21:51,926 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:22:01,961 WARN L539 Checker$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 01:22:11,991 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:22:22,019 WARN L539 Checker$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 01:22:22,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:22:22,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 166 states and 211 transitions. [2023-12-03 01:22:22,076 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 211 transitions. [2023-12-03 01:22:22,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 01:22:22,077 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:22:22,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:22:32,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-03 01:22:32,343 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 01:22:32,346 INFO L158 Benchmark]: Toolchain (without parser) took 300791.27ms. Allocated memory was 148.9MB in the beginning and 224.4MB in the end (delta: 75.5MB). Free memory was 108.9MB in the beginning and 100.2MB in the end (delta: 8.7MB). Peak memory consumption was 86.3MB. Max. memory is 16.1GB. [2023-12-03 01:22:32,347 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 109.1MB. Free memory is still 62.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:22:32,347 INFO L158 Benchmark]: CACSL2BoogieTranslator took 777.22ms. Allocated memory is still 148.9MB. Free memory was 108.9MB in the beginning and 74.2MB in the end (delta: 34.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2023-12-03 01:22:32,348 INFO L158 Benchmark]: Boogie Procedure Inliner took 112.00ms. Allocated memory is still 148.9MB. Free memory was 74.2MB in the beginning and 65.8MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-12-03 01:22:32,348 INFO L158 Benchmark]: Boogie Preprocessor took 128.02ms. Allocated memory is still 148.9MB. Free memory was 65.8MB in the beginning and 113.2MB in the end (delta: -47.4MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. [2023-12-03 01:22:32,349 INFO L158 Benchmark]: RCFGBuilder took 2680.57ms. Allocated memory was 148.9MB in the beginning and 224.4MB in the end (delta: 75.5MB). Free memory was 113.2MB in the beginning and 156.1MB in the end (delta: -43.0MB). Peak memory consumption was 106.6MB. Max. memory is 16.1GB. [2023-12-03 01:22:32,349 INFO L158 Benchmark]: CodeCheck took 297088.75ms. Allocated memory is still 224.4MB. Free memory was 156.1MB in the beginning and 100.2MB in the end (delta: 55.9MB). Peak memory consumption was 55.6MB. Max. memory is 16.1GB. [2023-12-03 01:22:32,352 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 0.24ms. Allocated memory is still 109.1MB. Free memory is still 62.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 777.22ms. Allocated memory is still 148.9MB. Free memory was 108.9MB in the beginning and 74.2MB in the end (delta: 34.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 112.00ms. Allocated memory is still 148.9MB. Free memory was 74.2MB in the beginning and 65.8MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 128.02ms. Allocated memory is still 148.9MB. Free memory was 65.8MB in the beginning and 113.2MB in the end (delta: -47.4MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. * RCFGBuilder took 2680.57ms. Allocated memory was 148.9MB in the beginning and 224.4MB in the end (delta: 75.5MB). Free memory was 113.2MB in the beginning and 156.1MB in the end (delta: -43.0MB). Peak memory consumption was 106.6MB. Max. memory is 16.1GB. * CodeCheck took 297088.75ms. Allocated memory is still 224.4MB. Free memory was 156.1MB in the beginning and 100.2MB in the end (delta: 55.9MB). Peak memory consumption was 55.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 01:22:32,514 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/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_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/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_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test2-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/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_52db6291-2501-43ec-83d2-6cf69688a853/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 69d24e9affd7540aafb8052ecd737d7732ca2a63c7e8e16adc4217413d1d99a5 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 01:22:34,173 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 01:22:34,252 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-03 01:22:34,284 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 01:22:34,285 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 01:22:34,285 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 01:22:34,286 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 01:22:34,287 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 01:22:34,287 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 01:22:34,288 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 01:22:34,288 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 01:22:34,289 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 01:22:34,289 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 01:22:34,290 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 01:22:34,291 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 01:22:34,291 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 01:22:34,292 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 01:22:34,292 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 01:22:34,293 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 01:22:34,293 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 01:22:34,294 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 01:22:34,294 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 01:22:34,295 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 01:22:34,295 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 01:22:34,296 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 01:22:34,296 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 01:22:34,297 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 01:22:34,297 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 01:22:34,298 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:22:34,298 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 01:22:34,298 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 01:22:34,299 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 01:22:34,299 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 01:22:34,299 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 01:22:34,300 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 01:22:34,300 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 01:22:34,300 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 01:22:34,300 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_52db6291-2501-43ec-83d2-6cf69688a853/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 69d24e9affd7540aafb8052ecd737d7732ca2a63c7e8e16adc4217413d1d99a5 [2023-12-03 01:22:34,576 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 01:22:34,597 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 01:22:34,599 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 01:22:34,600 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 01:22:34,600 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 01:22:34,602 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test2-1.i [2023-12-03 01:22:37,389 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 01:22:37,673 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 01:22:37,673 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test2-1.i [2023-12-03 01:22:37,692 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/data/99744859c/2f67827801634ba39781c72c9ad26862/FLAG327bc63ad [2023-12-03 01:22:37,707 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/data/99744859c/2f67827801634ba39781c72c9ad26862 [2023-12-03 01:22:37,710 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 01:22:37,711 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 01:22:37,713 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 01:22:37,713 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 01:22:37,718 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 01:22:37,718 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:22:37" (1/1) ... [2023-12-03 01:22:37,720 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7aac5418 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:22:37, skipping insertion in model container [2023-12-03 01:22:37,720 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:22:37" (1/1) ... [2023-12-03 01:22:37,797 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:22:38,201 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_52db6291-2501-43ec-83d2-6cf69688a853/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test2-1.i[37019,37032] [2023-12-03 01:22:38,287 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_52db6291-2501-43ec-83d2-6cf69688a853/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test2-1.i[47352,47365] [2023-12-03 01:22:38,293 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:22:38,308 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-03 01:22:38,324 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:22:38,346 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_52db6291-2501-43ec-83d2-6cf69688a853/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test2-1.i[37019,37032] [2023-12-03 01:22:38,393 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_52db6291-2501-43ec-83d2-6cf69688a853/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test2-1.i[47352,47365] [2023-12-03 01:22:38,396 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:22:38,401 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 01:22:38,456 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_52db6291-2501-43ec-83d2-6cf69688a853/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test2-1.i[37019,37032] [2023-12-03 01:22:38,504 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_52db6291-2501-43ec-83d2-6cf69688a853/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test2-1.i[47352,47365] [2023-12-03 01:22:38,507 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:22:38,549 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:22:38,556 INFO L206 MainTranslator]: Completed translation [2023-12-03 01:22:38,557 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:22:38 WrapperNode [2023-12-03 01:22:38,557 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 01:22:38,558 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 01:22:38,558 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 01:22:38,558 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 01:22:38,565 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:22:38" (1/1) ... [2023-12-03 01:22:38,594 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:22:38" (1/1) ... [2023-12-03 01:22:38,638 INFO L138 Inliner]: procedures = 211, calls = 235, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 887 [2023-12-03 01:22:38,639 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 01:22:38,640 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 01:22:38,640 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 01:22:38,640 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 01:22:38,649 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:22:38" (1/1) ... [2023-12-03 01:22:38,649 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:22:38" (1/1) ... [2023-12-03 01:22:38,659 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:22:38" (1/1) ... [2023-12-03 01:22:38,659 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:22:38" (1/1) ... [2023-12-03 01:22:38,695 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:22:38" (1/1) ... [2023-12-03 01:22:38,703 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:22:38" (1/1) ... [2023-12-03 01:22:38,708 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:22:38" (1/1) ... [2023-12-03 01:22:38,714 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:22:38" (1/1) ... [2023-12-03 01:22:38,723 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 01:22:38,724 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 01:22:38,724 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 01:22:38,724 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 01:22:38,725 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:22:38" (1/1) ... [2023-12-03 01:22:38,730 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:22:38,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 01:22:38,756 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 01:22:38,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 01:22:38,801 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-12-03 01:22:38,802 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 01:22:38,802 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-03 01:22:38,802 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-03 01:22:38,802 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 01:22:38,802 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-12-03 01:22:38,802 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-03 01:22:38,803 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 01:22:38,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 01:22:38,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 01:22:38,803 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 01:22:38,803 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 01:22:38,804 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 01:22:38,804 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 01:22:38,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-03 01:22:38,804 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 01:22:38,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 01:22:38,990 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 01:22:38,992 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 01:22:53,067 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 01:22:53,442 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 01:22:53,442 INFO L309 CfgBuilder]: Removed 54 assume(true) statements. [2023-12-03 01:22:53,444 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:22:53 BoogieIcfgContainer [2023-12-03 01:22:53,444 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 01:22:53,445 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 01:22:53,445 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 01:22:53,454 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 01:22:53,455 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:22:53" (1/1) ... [2023-12-03 01:22:53,463 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 01:22:53,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:22:53,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 116 states and 196 transitions. [2023-12-03 01:22:53,520 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 196 transitions. [2023-12-03 01:22:53,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-03 01:22:53,522 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:22:53,522 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:22:53,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:22:53,524 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:22:53,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 01:22:53,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:22:53,782 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:22:53,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:22:53,843 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:22:53,847 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:22:53,860 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 01:22:53,869 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 01:22:53,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:22:53,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 116 states and 191 transitions. [2023-12-03 01:22:53,897 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 191 transitions. [2023-12-03 01:22:53,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 01:22:53,900 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:22:53,900 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:22:53,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:22:53,914 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:22:53,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 01:22:54,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:22:54,138 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:22:54,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:22:54,198 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:22:54,200 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:22:54,202 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 01:22:54,205 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 01:22:54,205 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 01:22:54,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:22:54,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 116 states and 187 transitions. [2023-12-03 01:22:54,321 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 187 transitions. [2023-12-03 01:22:54,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 01:22:54,323 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:22:54,323 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:22:54,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:22:54,324 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:22:54,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 01:22:54,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:22:54,588 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:22:54,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:22:54,643 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:22:54,644 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:22:54,647 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 01:22:54,650 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 01:22:54,650 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-03 01:22:54,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:22:54,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 116 states and 185 transitions. [2023-12-03 01:22:54,659 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 185 transitions. [2023-12-03 01:22:54,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-03 01:22:54,660 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:22:54,661 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:22:54,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:22:54,662 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:22:54,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-03 01:22:54,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:22:54,960 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:22:55,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:22:55,037 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:22:55,038 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:22:55,041 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 01:22:55,044 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 01:22:55,045 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-03 01:22:55,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:22:55,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 116 states and 183 transitions. [2023-12-03 01:22:55,067 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 183 transitions. [2023-12-03 01:22:55,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 01:22:55,069 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:22:55,069 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:22:55,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:22:55,072 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:22:55,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-03 01:22:55,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:22:55,426 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:22:55,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:22:55,524 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:22:55,526 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:22:55,580 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-03 01:22:55,580 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-03 01:22:55,581 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-03 01:22:55,591 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 01:22:55,683 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 01:22:55,684 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 01:22:55,708 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 01:22:55,713 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 01:22:55,713 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2023-12-03 01:22:56,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:22:56,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 118 states and 186 transitions. [2023-12-03 01:22:56,203 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 186 transitions. [2023-12-03 01:22:56,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-03 01:22:56,204 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:22:56,205 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:22:56,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:22:56,206 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:22:56,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-03 01:22:56,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:22:56,496 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:22:56,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:22:56,668 INFO L262 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:22:56,670 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:22:56,672 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 01:22:56,676 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-03 01:22:56,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:22:56,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 118 states and 184 transitions. [2023-12-03 01:22:56,685 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 184 transitions. [2023-12-03 01:22:56,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-03 01:22:56,686 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:22:56,687 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:22:56,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:22:56,690 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:22:56,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-03 01:22:57,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:22:57,006 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:22:57,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:22:57,146 INFO L262 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:22:57,148 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:22:57,151 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 01:22:57,155 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2023-12-03 01:22:57,156 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 01:22:57,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:22:57,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 118 states and 180 transitions. [2023-12-03 01:22:57,163 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 180 transitions. [2023-12-03 01:22:57,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 01:22:57,165 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:22:57,165 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:22:57,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:22:57,166 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:22:57,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-03 01:22:57,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:22:57,535 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:22:57,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:22:57,718 INFO L262 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:22:57,721 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:22:57,724 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 01:22:57,732 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-12-03 01:22:57,733 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 01:22:57,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:22:57,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 118 states and 174 transitions. [2023-12-03 01:22:57,743 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 174 transitions. [2023-12-03 01:22:57,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-12-03 01:22:57,744 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:22:57,745 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:22:57,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:22:57,746 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:22:57,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-03 01:22:58,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:22:58,153 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:22:58,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:22:58,403 INFO L262 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:22:58,405 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:22:58,409 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 01:22:58,418 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2023-12-03 01:22:59,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:22:59,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 118 states and 168 transitions. [2023-12-03 01:22:59,210 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 168 transitions. [2023-12-03 01:22:59,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 01:22:59,211 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:22:59,211 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:22:59,211 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:22:59,212 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:22:59,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-03 01:22:59,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:22:59,614 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:22:59,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:22:59,893 INFO L262 TraceCheckSpWp]: Trace formula consists of 371 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:22:59,895 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:23:00,039 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 01:23:00,043 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2023-12-03 01:23:01,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:23:01,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 131 states and 183 transitions. [2023-12-03 01:23:01,520 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 183 transitions. [2023-12-03 01:23:01,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 01:23:01,521 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:23:01,521 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:23:01,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:23:01,522 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:23:01,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-03 01:23:01,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:23:01,927 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:23:02,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:23:02,202 INFO L262 TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:23:02,204 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:23:02,208 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 01:23:02,213 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2023-12-03 01:23:02,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:23:02,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 131 states and 181 transitions. [2023-12-03 01:23:02,224 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 181 transitions. [2023-12-03 01:23:02,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 01:23:02,225 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:23:02,225 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:23:02,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:23:02,227 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:23:02,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-12-03 01:23:02,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:23:02,768 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:23:03,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:23:03,114 INFO L262 TraceCheckSpWp]: Trace formula consists of 368 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:23:03,116 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:23:03,119 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 01:23:03,126 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2023-12-03 01:23:03,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:23:03,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 131 states and 179 transitions. [2023-12-03 01:23:03,137 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 179 transitions. [2023-12-03 01:23:03,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-12-03 01:23:03,138 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:23:03,138 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:23:03,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:23:03,139 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:23:03,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-12-03 01:23:03,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:23:03,824 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:23:04,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:23:04,177 INFO L262 TraceCheckSpWp]: Trace formula consists of 379 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:23:04,179 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:23:04,183 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 01:23:04,190 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2023-12-03 01:23:04,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:23:04,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 131 states and 177 transitions. [2023-12-03 01:23:04,201 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 177 transitions. [2023-12-03 01:23:04,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 01:23:04,202 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:23:04,202 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:23:04,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:23:04,203 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:23:04,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-12-03 01:23:04,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:23:04,844 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:23:05,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:23:05,261 INFO L262 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:23:05,264 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:23:05,456 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 01:23:05,464 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2023-12-03 01:23:05,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:23:05,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 134 states and 179 transitions. [2023-12-03 01:23:05,486 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 179 transitions. [2023-12-03 01:23:05,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-03 01:23:05,487 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:23:05,487 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:23:05,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:23:05,488 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:23:05,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2023-12-03 01:23:06,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:23:06,386 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:23:06,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:23:06,815 INFO L262 TraceCheckSpWp]: Trace formula consists of 502 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:23:06,818 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:23:07,180 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 01:23:07,191 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2023-12-03 01:23:18,793 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 01:23:27,931 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 9.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 01:23:37,959 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 01:23:47,983 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 01:23:51,111 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 01:23:52,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:23:52,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 180 states and 238 transitions. [2023-12-03 01:23:52,195 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 238 transitions. [2023-12-03 01:23:52,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-12-03 01:23:52,196 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:23:52,196 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:23:52,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:23:52,197 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:23:52,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2023-12-03 01:23:52,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:23:52,866 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:23:53,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:23:53,209 INFO L262 TraceCheckSpWp]: Trace formula consists of 504 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:23:53,210 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:23:53,213 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 01:23:53,219 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2023-12-03 01:23:53,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:23:53,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 180 states and 234 transitions. [2023-12-03 01:23:53,235 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 234 transitions. [2023-12-03 01:23:53,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-12-03 01:23:53,235 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:23:53,236 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:23:53,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:23:53,237 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:23:53,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2023-12-03 01:23:53,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:23:53,974 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:23:54,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:23:54,304 INFO L262 TraceCheckSpWp]: Trace formula consists of 510 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:23:54,306 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:23:54,309 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 01:23:54,317 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2023-12-03 01:23:54,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:23:54,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 180 states and 232 transitions. [2023-12-03 01:23:54,334 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 232 transitions. [2023-12-03 01:23:54,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-03 01:23:54,335 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:23:54,336 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:23:54,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:23:54,337 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:23:54,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2023-12-03 01:23:55,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:23:55,115 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:23:55,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:23:55,485 INFO L262 TraceCheckSpWp]: Trace formula consists of 513 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:23:55,486 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:23:55,671 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 01:23:55,680 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2023-12-03 01:23:55,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:23:55,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 163 states and 211 transitions. [2023-12-03 01:23:55,698 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 211 transitions. [2023-12-03 01:23:55,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-03 01:23:55,699 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:23:55,699 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:23:55,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:23:55,700 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:23:55,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2023-12-03 01:23:56,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:23:56,565 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:23:56,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:23:56,926 INFO L262 TraceCheckSpWp]: Trace formula consists of 513 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:23:56,928 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:23:57,106 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 01:23:57,115 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2023-12-03 01:23:57,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:23:57,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 166 states and 213 transitions. [2023-12-03 01:23:57,132 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 213 transitions. [2023-12-03 01:23:57,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-03 01:23:57,132 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:23:57,133 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:23:57,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:23:57,134 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:23:57,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2023-12-03 01:23:58,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:23:58,014 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:23:58,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:23:58,363 INFO L262 TraceCheckSpWp]: Trace formula consists of 530 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:23:58,366 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:23:58,370 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 01:23:58,380 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2023-12-03 01:24:03,721 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 01:24:03,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:24:03,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 166 states and 211 transitions. [2023-12-03 01:24:03,767 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 211 transitions. [2023-12-03 01:24:03,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 01:24:03,768 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:24:03,769 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:24:03,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:24:03,769 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:24:03,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2023-12-03 01:24:04,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:24:04,643 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:24:04,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:24:04,975 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:24:04,977 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:24:05,168 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:24:05,179 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2023-12-03 01:24:05,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:24:05,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 01:24:05,383 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 01:24:05,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 01:24:05,384 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:24:05,385 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:24:05,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:24:05,386 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:24:05,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2023-12-03 01:24:06,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:24:06,312 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:24:06,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:24:06,650 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:24:06,652 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:24:06,664 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:24:06,677 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2023-12-03 01:24:06,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:24:06,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 01:24:06,692 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 01:24:06,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 01:24:06,693 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:24:06,693 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:24:06,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:24:06,694 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:24:06,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2023-12-03 01:24:07,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:24:07,679 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:24:08,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:24:08,051 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:24:08,054 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:24:08,066 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:24:08,080 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2023-12-03 01:24:08,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:24:08,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 01:24:08,103 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 01:24:08,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 01:24:08,104 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:24:08,104 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:24:08,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:24:08,105 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:24:08,106 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2023-12-03 01:24:09,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:24:09,152 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:24:09,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:24:09,489 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:24:09,491 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:24:09,503 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:24:09,518 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2023-12-03 01:24:09,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:24:09,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 01:24:09,534 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 01:24:09,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 01:24:09,535 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:24:09,536 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:24:09,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:24:09,537 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:24:09,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2023-12-03 01:24:10,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:24:10,656 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:24:10,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:24:10,974 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:24:10,976 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:24:10,987 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:24:11,001 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2023-12-03 01:24:11,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:24:11,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 01:24:11,013 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 01:24:11,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 01:24:11,014 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:24:11,014 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:24:11,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:24:11,015 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:24:11,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2023-12-03 01:24:12,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:24:12,143 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:24:12,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:24:12,469 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:24:12,470 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:24:12,481 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:24:12,496 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2023-12-03 01:24:12,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:24:12,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 01:24:12,512 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 01:24:12,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 01:24:12,513 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:24:12,513 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:24:12,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:24:12,514 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:24:12,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2023-12-03 01:24:13,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:24:13,647 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:24:13,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:24:13,983 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:24:13,984 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:24:13,995 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:24:14,011 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Forceful destruction successful, exit code 0 [2023-12-03 01:24:14,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:24:14,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 01:24:14,023 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 01:24:14,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 01:24:14,024 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:24:14,024 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:24:14,024 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:24:14,025 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:24:14,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2023-12-03 01:24:15,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:24:15,052 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:24:15,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:24:15,383 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:24:15,385 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:24:15,395 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:24:15,411 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2023-12-03 01:24:15,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:24:15,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 01:24:15,422 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 01:24:15,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 01:24:15,423 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:24:15,423 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:24:15,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:24:15,424 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:24:15,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2023-12-03 01:24:16,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:24:16,564 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:24:16,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:24:16,927 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:24:16,930 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:24:16,941 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:24:16,959 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2023-12-03 01:24:16,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:24:16,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 01:24:16,971 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 01:24:16,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 01:24:16,971 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:24:16,972 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:24:16,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:24:16,972 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:24:16,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2023-12-03 01:24:18,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:24:18,119 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:24:18,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:24:18,453 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:24:18,455 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:24:18,467 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 01:24:18,486 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2023-12-03 01:24:18,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:24:18,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 01:24:18,502 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 01:24:18,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 01:24:18,503 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:24:18,503 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:24:18,503 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:24:18,504 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:24:18,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2023-12-03 01:24:19,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:24:19,748 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:24:20,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:24:20,099 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:24:20,101 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:24:20,114 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:24:20,133 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2023-12-03 01:24:20,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:24:20,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 01:24:20,152 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 01:24:20,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 01:24:20,152 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:24:20,152 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:24:20,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:24:20,153 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:24:20,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2023-12-03 01:24:21,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:24:21,481 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:24:21,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:24:21,838 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:24:21,839 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:24:21,852 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:24:21,872 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2023-12-03 01:24:21,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:24:21,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 01:24:21,885 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 01:24:21,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 01:24:21,886 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:24:21,886 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:24:21,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:24:21,887 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:24:21,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2023-12-03 01:24:23,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:24:23,584 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:24:23,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:24:23,970 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:24:23,973 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:24:23,986 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:24:24,006 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2023-12-03 01:24:24,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:24:24,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 01:24:24,017 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 01:24:24,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 01:24:24,018 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:24:24,018 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:24:24,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:24:24,020 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:24:24,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2023-12-03 01:24:25,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:24:25,518 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:24:25,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:24:25,854 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:24:25,855 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:24:25,866 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:24:25,888 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2023-12-03 01:24:25,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:24:25,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 01:24:25,902 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 01:24:25,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 01:24:25,902 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:24:25,902 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:24:25,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:24:25,903 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:24:25,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2023-12-03 01:24:27,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:24:27,352 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:24:27,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:24:27,734 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:24:27,736 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:24:27,748 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:24:27,769 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2023-12-03 01:24:27,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:24:27,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 01:24:27,780 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 01:24:27,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 01:24:27,780 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:24:27,780 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:24:27,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:24:27,781 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:24:27,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2023-12-03 01:24:29,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:24:29,370 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:24:29,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:24:29,730 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:24:29,732 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:24:29,744 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:24:29,768 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2023-12-03 01:24:29,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:24:29,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 01:24:29,780 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 01:24:29,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 01:24:29,781 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:24:29,781 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:24:29,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:24:29,782 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:24:29,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2023-12-03 01:24:31,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:24:31,347 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:24:31,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:24:31,693 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:24:31,694 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:24:31,705 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:24:31,731 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Forceful destruction successful, exit code 0 [2023-12-03 01:24:31,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:24:31,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 01:24:31,744 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 01:24:31,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 01:24:31,745 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:24:31,745 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:24:31,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:24:31,746 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:24:31,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2023-12-03 01:24:33,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:24:33,310 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:24:33,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:24:33,649 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:24:33,651 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:24:33,663 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:24:33,687 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2023-12-03 01:24:33,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:24:33,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 01:24:33,700 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 01:24:33,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 01:24:33,700 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:24:33,700 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:24:33,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:24:33,701 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:24:33,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2023-12-03 01:24:35,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:24:35,194 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:24:35,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:24:35,530 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:24:35,532 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:24:35,543 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 01:24:35,571 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Forceful destruction successful, exit code 0 [2023-12-03 01:24:35,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:24:35,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 01:24:35,585 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 01:24:35,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 01:24:35,585 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:24:35,585 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:24:35,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:24:35,586 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:24:35,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2023-12-03 01:24:37,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:24:37,314 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:24:37,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:24:37,621 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:24:37,623 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:24:37,635 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:24:37,663 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Forceful destruction successful, exit code 0 [2023-12-03 01:24:37,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:24:37,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 01:24:37,671 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 01:24:37,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 01:24:37,672 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:24:37,672 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:24:37,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:24:37,673 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:24:37,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2023-12-03 01:24:39,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:24:39,305 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:24:39,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:24:39,680 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:24:39,682 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:24:39,694 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:24:39,724 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2023-12-03 01:24:39,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:24:39,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 01:24:39,736 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 01:24:39,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 01:24:39,737 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:24:39,737 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:24:39,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:24:39,738 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:24:39,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2023-12-03 01:24:41,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:24:41,651 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:24:41,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:24:41,988 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:24:41,989 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:24:42,000 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:24:42,028 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2023-12-03 01:24:42,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:24:42,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 01:24:42,039 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 01:24:42,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 01:24:42,039 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:24:42,040 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:24:42,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:24:42,041 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:24:42,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2023-12-03 01:24:43,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:24:43,770 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:24:44,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:24:44,120 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:24:44,121 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:24:44,133 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:24:44,164 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2023-12-03 01:24:44,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:24:44,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 01:24:44,174 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 01:24:44,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 01:24:44,174 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:24:44,174 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:24:44,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:24:44,175 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:24:44,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2023-12-03 01:24:46,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:24:46,200 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:24:46,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:24:46,529 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:24:46,531 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:24:46,541 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:24:46,570 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Forceful destruction successful, exit code 0 [2023-12-03 01:24:46,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:24:46,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 01:24:46,581 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 01:24:46,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 01:24:46,581 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:24:46,582 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:24:46,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:24:46,583 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:24:46,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2023-12-03 01:24:48,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:24:48,370 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:24:48,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:24:48,704 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:24:48,705 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:24:48,715 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 01:24:48,745 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Forceful destruction successful, exit code 0 [2023-12-03 01:24:48,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:24:48,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 01:24:48,755 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 01:24:48,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 01:24:48,756 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:24:48,756 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:24:48,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:24:48,757 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:24:48,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2023-12-03 01:24:50,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:24:50,582 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:24:50,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:24:50,905 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:24:50,907 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:24:50,919 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:24:50,950 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2023-12-03 01:24:50,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:24:50,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 01:24:50,960 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 01:24:50,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 01:24:50,961 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:24:50,961 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:24:50,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:24:50,962 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:24:50,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2023-12-03 01:24:52,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:24:52,925 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:24:53,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:24:53,253 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:24:53,255 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:24:53,266 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 01:24:53,298 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2023-12-03 01:24:53,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:24:53,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 01:24:53,314 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 01:24:53,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 01:24:53,314 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:24:53,314 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:24:53,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:24:53,315 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:24:53,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2023-12-03 01:24:55,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:24:55,351 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:24:55,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:24:55,735 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:24:55,737 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:24:55,752 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:24:55,795 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2023-12-03 01:24:55,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:24:55,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 01:24:55,810 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 01:24:55,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 01:24:55,810 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:24:55,811 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:24:55,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:24:55,812 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:24:55,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2023-12-03 01:24:58,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:24:58,592 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:24:58,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:24:58,941 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:24:58,943 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:24:58,954 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:24:58,987 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2023-12-03 01:24:58,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:24:58,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 01:24:58,997 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 01:24:58,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 01:24:58,998 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:24:58,998 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:24:58,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:24:58,999 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:24:59,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2023-12-03 01:25:00,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:00,867 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:25:01,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:01,204 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:25:01,205 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:25:01,216 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:25:01,249 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Forceful destruction successful, exit code 0 [2023-12-03 01:25:01,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:25:01,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 01:25:01,259 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 01:25:01,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 01:25:01,259 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:25:01,260 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:25:01,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:25:01,261 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:25:01,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2023-12-03 01:25:03,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:03,362 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:25:03,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:03,725 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:25:03,727 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:25:03,737 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 01:25:03,787 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Ended with exit code 0 [2023-12-03 01:25:03,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:25:03,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 01:25:03,800 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 01:25:03,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 01:25:03,800 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:25:03,800 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:25:03,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:25:03,801 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:25:03,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2023-12-03 01:25:05,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:05,802 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:25:06,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:06,144 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:25:06,145 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:25:06,156 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:25:06,191 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Ended with exit code 0 [2023-12-03 01:25:06,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:25:06,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 01:25:06,202 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 01:25:06,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 01:25:06,202 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:25:06,202 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:25:06,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:25:06,203 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:25:06,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2023-12-03 01:25:08,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:08,183 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:25:08,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:08,519 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:25:08,521 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:25:08,531 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:25:08,566 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Ended with exit code 0 [2023-12-03 01:25:08,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:25:08,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 01:25:08,577 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 01:25:08,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 01:25:08,578 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:25:08,578 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:25:08,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:25:08,579 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:25:08,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2023-12-03 01:25:10,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:10,836 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:25:11,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:11,134 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:25:11,135 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:25:11,147 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:25:11,168 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Ended with exit code 0 [2023-12-03 01:25:11,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:25:11,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 01:25:11,183 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 01:25:11,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 01:25:11,183 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:25:11,183 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:25:11,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:25:11,184 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:25:11,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2023-12-03 01:25:13,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:13,970 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:25:14,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:14,296 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:25:14,297 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:25:14,308 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 01:25:14,329 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Forceful destruction successful, exit code 0 [2023-12-03 01:25:14,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:25:14,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 01:25:14,339 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 01:25:14,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 01:25:14,340 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:25:14,340 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:25:14,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:25:14,341 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:25:14,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2023-12-03 01:25:16,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:16,403 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:25:16,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:16,758 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:25:16,759 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:25:16,770 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:25:16,792 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Forceful destruction successful, exit code 0 [2023-12-03 01:25:16,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:25:16,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 01:25:16,801 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 01:25:16,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 01:25:16,802 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:25:16,802 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:25:16,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:25:16,803 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:25:16,804 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2023-12-03 01:25:18,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:18,920 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:25:19,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:19,255 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:25:19,257 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:25:19,268 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:25:19,290 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Forceful destruction successful, exit code 0 [2023-12-03 01:25:19,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:25:19,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 01:25:19,300 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 01:25:19,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 01:25:19,300 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:25:19,301 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:25:19,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:25:19,302 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:25:19,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2023-12-03 01:25:21,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:21,780 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:25:22,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:22,122 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:25:22,123 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:25:22,133 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:25:22,156 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Ended with exit code 0 [2023-12-03 01:25:22,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:25:22,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 01:25:22,171 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 01:25:22,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 01:25:22,171 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:25:22,172 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:25:22,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:25:22,172 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:25:22,173 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (60)] Waiting until timeout for monitored process [2023-12-03 01:25:24,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:24,475 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:25:24,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:24,830 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:25:24,831 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:25:24,841 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:25:24,864 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (60)] Forceful destruction successful, exit code 0 [2023-12-03 01:25:24,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:25:24,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 01:25:24,873 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 01:25:24,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 01:25:24,874 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:25:24,874 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:25:24,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:25:24,875 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:25:24,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2023-12-03 01:25:27,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:27,389 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:25:27,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:27,723 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:25:27,724 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:25:27,735 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:25:27,758 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (61)] Ended with exit code 0 [2023-12-03 01:25:27,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:25:27,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 01:25:27,768 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 01:25:27,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 01:25:27,769 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:25:27,769 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:25:27,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:25:27,770 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:25:27,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (62)] Waiting until timeout for monitored process [2023-12-03 01:25:30,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:30,421 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:25:30,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:30,788 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:25:30,789 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:25:30,799 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:25:30,823 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (62)] Ended with exit code 0 [2023-12-03 01:25:30,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:25:30,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 01:25:30,833 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 01:25:30,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 01:25:30,833 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:25:30,833 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:25:30,834 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:25:30,834 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:25:30,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (63)] Waiting until timeout for monitored process [2023-12-03 01:25:33,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:33,068 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:25:33,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:33,420 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:25:33,421 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:25:33,432 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:25:33,456 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (63)] Ended with exit code 0 [2023-12-03 01:25:33,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:25:33,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 01:25:33,466 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 01:25:33,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 01:25:33,466 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:25:33,466 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:25:33,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:25:33,467 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:25:33,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (64)] Waiting until timeout for monitored process [2023-12-03 01:25:36,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:36,157 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:25:36,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:36,469 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:25:36,471 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:25:36,481 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:25:36,506 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (64)] Ended with exit code 0 [2023-12-03 01:25:36,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:25:36,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 01:25:36,516 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 01:25:36,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 01:25:36,516 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:25:36,516 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:25:36,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:25:36,517 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:25:36,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (65)] Waiting until timeout for monitored process [2023-12-03 01:25:39,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:39,131 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:25:39,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:39,476 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:25:39,478 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:25:39,488 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:25:39,515 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (65)] Ended with exit code 0 [2023-12-03 01:25:39,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:25:39,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 01:25:39,523 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 01:25:39,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 01:25:39,524 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:25:39,524 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:25:39,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:25:39,524 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:25:39,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (66)] Waiting until timeout for monitored process [2023-12-03 01:25:42,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:42,170 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:25:42,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:42,477 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:25:42,479 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:25:42,488 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:25:42,514 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (66)] Ended with exit code 0 [2023-12-03 01:25:42,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:25:42,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 01:25:42,527 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 01:25:42,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 01:25:42,528 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:25:42,528 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:25:42,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:25:42,529 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:25:42,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (67)] Waiting until timeout for monitored process [2023-12-03 01:25:45,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:45,247 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:25:45,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:45,569 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:25:45,571 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:25:45,581 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:25:45,606 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (67)] Forceful destruction successful, exit code 0 [2023-12-03 01:25:45,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:25:45,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 01:25:45,616 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 01:25:45,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 01:25:45,617 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:25:45,617 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:25:45,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:25:45,618 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:25:45,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (68)] Waiting until timeout for monitored process [2023-12-03 01:25:48,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:48,270 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:25:48,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:48,613 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:25:48,614 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:25:48,624 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:25:48,650 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (68)] Ended with exit code 0 [2023-12-03 01:25:48,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:25:48,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 01:25:48,661 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 01:25:48,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 01:25:48,662 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:25:48,662 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:25:48,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:25:48,663 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:25:48,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (69)] Waiting until timeout for monitored process [2023-12-03 01:25:51,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:51,310 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:25:51,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:51,651 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:25:51,653 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:25:51,664 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:25:51,690 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (69)] Ended with exit code 0 [2023-12-03 01:25:51,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:25:51,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 01:25:51,700 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 01:25:51,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 01:25:51,701 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:25:51,701 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:25:51,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:25:51,702 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:25:51,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (70)] Waiting until timeout for monitored process [2023-12-03 01:25:54,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:54,525 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:25:54,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:54,897 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:25:54,899 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:25:54,909 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:25:54,936 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (70)] Ended with exit code 0 [2023-12-03 01:25:54,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:25:54,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 01:25:54,946 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 01:25:54,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 01:25:54,946 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:25:54,946 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:25:54,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:25:54,947 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:25:54,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (71)] Waiting until timeout for monitored process [2023-12-03 01:25:57,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:57,735 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:25:58,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:58,048 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:25:58,050 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:25:58,061 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:25:58,088 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (71)] Ended with exit code 0 [2023-12-03 01:25:58,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:25:58,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 01:25:58,099 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 01:25:58,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 01:25:58,099 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:25:58,099 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:25:58,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:25:58,100 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:25:58,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (72)] Waiting until timeout for monitored process [2023-12-03 01:26:00,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:00,998 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:26:01,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:01,359 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:26:01,361 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:26:01,372 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:26:01,400 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (72)] Ended with exit code 0 [2023-12-03 01:26:01,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:26:01,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 01:26:01,411 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 01:26:01,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 01:26:01,411 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:26:01,411 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:26:01,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:26:01,412 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:26:01,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (73)] Waiting until timeout for monitored process [2023-12-03 01:26:04,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:04,294 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:26:04,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:04,590 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:26:04,591 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:26:04,602 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:26:04,628 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (73)] Ended with exit code 0 [2023-12-03 01:26:04,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:26:04,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 01:26:04,638 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 01:26:04,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 01:26:04,638 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:26:04,638 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:26:04,638 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:26:04,639 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:26:04,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (74)] Waiting until timeout for monitored process [2023-12-03 01:26:07,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:07,540 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:26:07,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:07,894 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:26:07,896 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:26:07,907 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:26:07,935 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (74)] Ended with exit code 0 [2023-12-03 01:26:07,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:26:07,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 01:26:07,945 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 01:26:07,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 01:26:07,945 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:26:07,945 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:26:07,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:26:07,946 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:26:07,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (75)] Waiting until timeout for monitored process [2023-12-03 01:26:10,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:10,596 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:26:10,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:10,921 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:26:10,923 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:26:10,933 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:26:10,962 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (75)] Forceful destruction successful, exit code 0 [2023-12-03 01:26:10,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:26:10,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 01:26:10,972 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 01:26:10,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 01:26:10,972 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:26:10,972 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:26:10,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:26:10,973 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:26:10,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (76)] Waiting until timeout for monitored process [2023-12-03 01:26:14,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:14,044 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:26:14,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:14,354 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:26:14,355 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:26:14,365 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:26:14,395 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (76)] Ended with exit code 0 [2023-12-03 01:26:14,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:26:14,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 01:26:14,404 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 01:26:14,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 01:26:14,405 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:26:14,405 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:26:14,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:26:14,406 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:26:14,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (77)] Waiting until timeout for monitored process [2023-12-03 01:26:17,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:17,531 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:26:17,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:17,880 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:26:17,881 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:26:17,891 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:26:17,921 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (77)] Ended with exit code 0 [2023-12-03 01:26:17,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:26:17,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 01:26:17,931 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 01:26:17,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 01:26:17,931 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:26:17,932 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:26:17,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:26:17,933 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:26:17,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (78)] Waiting until timeout for monitored process [2023-12-03 01:26:21,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:21,047 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:26:21,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:21,349 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:26:21,351 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:26:21,361 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:26:21,390 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (78)] Ended with exit code 0 [2023-12-03 01:26:21,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:26:21,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 01:26:21,400 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 01:26:21,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 01:26:21,401 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:26:21,401 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:26:21,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:26:21,402 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:26:21,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (79)] Waiting until timeout for monitored process [2023-12-03 01:26:24,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:24,584 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:26:24,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:24,920 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:26:24,922 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:26:24,933 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:26:24,963 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (79)] Ended with exit code 0 [2023-12-03 01:26:24,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:26:24,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 01:26:24,973 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 01:26:24,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 01:26:24,973 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:26:24,973 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:26:24,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:26:24,974 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:26:24,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (80)] Waiting until timeout for monitored process [2023-12-03 01:26:28,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:28,022 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:26:28,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:28,344 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:26:28,346 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:26:28,356 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:26:28,387 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (80)] Ended with exit code 0 [2023-12-03 01:26:28,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:26:28,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 01:26:28,398 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 01:26:28,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 01:26:28,398 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:26:28,398 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:26:28,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:26:28,399 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:26:28,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (81)] Waiting until timeout for monitored process [2023-12-03 01:26:31,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:31,705 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:26:32,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:32,042 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:26:32,043 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:26:32,055 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:26:32,086 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (81)] Forceful destruction successful, exit code 0 [2023-12-03 01:26:32,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:26:32,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 01:26:32,096 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 01:26:32,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 01:26:32,096 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:26:32,096 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:26:32,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:26:32,097 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:26:32,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (82)] Waiting until timeout for monitored process [2023-12-03 01:26:35,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:35,625 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:26:35,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:35,968 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:26:35,969 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:26:35,979 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:26:36,011 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (82)] Ended with exit code 0 [2023-12-03 01:26:36,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:26:36,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 01:26:36,021 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 01:26:36,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 01:26:36,021 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:26:36,021 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:26:36,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:26:36,022 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:26:36,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (83)] Waiting until timeout for monitored process [2023-12-03 01:26:39,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:39,116 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:26:39,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:39,449 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:26:39,451 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:26:39,461 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:26:39,494 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (83)] Forceful destruction successful, exit code 0 [2023-12-03 01:26:39,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:26:39,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 01:26:39,504 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 01:26:39,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 01:26:39,504 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:26:39,504 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:26:39,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:26:39,505 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:26:39,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (84)] Waiting until timeout for monitored process [2023-12-03 01:26:43,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:43,057 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:26:43,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:43,434 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:26:43,436 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:26:43,447 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:26:43,480 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (84)] Ended with exit code 0 [2023-12-03 01:26:43,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:26:43,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 01:26:43,490 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 01:26:43,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 01:26:43,491 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:26:43,491 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:26:43,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:26:43,492 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:26:43,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (85)] Waiting until timeout for monitored process [2023-12-03 01:26:46,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:46,651 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:26:46,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:46,999 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:26:47,001 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:26:47,012 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:26:47,045 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (85)] Forceful destruction successful, exit code 0 [2023-12-03 01:26:47,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:26:47,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 01:26:47,055 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 01:26:47,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 01:26:47,056 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:26:47,056 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:26:47,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:26:47,057 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:26:47,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (86)] Waiting until timeout for monitored process [2023-12-03 01:26:49,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:49,849 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:26:50,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:50,199 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:26:50,201 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:26:50,211 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:26:50,244 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (86)] Ended with exit code 0 [2023-12-03 01:26:50,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:26:50,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 01:26:50,254 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 01:26:50,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 01:26:50,254 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:26:50,254 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:26:50,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:26:50,255 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:26:50,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (87)] Waiting until timeout for monitored process [2023-12-03 01:26:53,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:53,788 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:26:54,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:54,106 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:26:54,108 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:26:54,120 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:26:54,154 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (87)] Ended with exit code 0 [2023-12-03 01:26:54,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:26:54,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 01:26:54,165 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 01:26:54,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 01:26:54,165 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:26:54,165 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:26:54,166 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:26:54,166 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:26:54,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (88)] Waiting until timeout for monitored process [2023-12-03 01:26:57,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:57,499 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:26:57,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:57,860 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:26:57,861 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:26:57,872 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 01:26:57,906 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (88)] Ended with exit code 0 [2023-12-03 01:26:57,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:26:57,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 01:26:57,916 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 01:26:57,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 01:26:57,916 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:26:57,916 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:26:57,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:26:57,917 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:26:57,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (89)] Waiting until timeout for monitored process [2023-12-03 01:27:01,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:27:01,507 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:27:01,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:27:01,832 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:27:01,833 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:27:01,843 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:27:01,879 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (89)] Ended with exit code 0 [2023-12-03 01:27:01,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:27:01,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 01:27:01,889 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 01:27:01,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 01:27:01,889 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:27:01,889 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:27:01,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:27:01,890 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:27:01,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (90)] Waiting until timeout for monitored process [2023-12-03 01:27:05,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:27:05,527 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:27:05,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:27:05,887 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:27:05,888 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:27:05,899 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:27:05,937 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (90)] Ended with exit code 0 [2023-12-03 01:27:05,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:27:05,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 01:27:05,947 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 01:27:05,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 01:27:05,948 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:27:05,948 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:27:05,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:27:05,949 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:27:05,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (91)] Waiting until timeout for monitored process [2023-12-03 01:27:10,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:27:10,691 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:27:11,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:27:11,175 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:27:11,177 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:27:11,192 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:27:11,240 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (91)] Ended with exit code 0 [2023-12-03 01:27:11,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:27:11,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 01:27:11,253 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 01:27:11,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 01:27:11,253 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:27:11,254 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:27:11,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:27:11,255 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:27:11,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (92)] Waiting until timeout for monitored process [2023-12-03 01:27:15,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:27:15,924 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:27:16,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:27:16,297 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:27:16,299 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:27:16,310 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:27:16,346 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (92)] Forceful destruction successful, exit code 0 [2023-12-03 01:27:16,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:27:16,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 01:27:16,356 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 01:27:16,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 01:27:16,356 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:27:16,356 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:27:16,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:27:16,357 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:27:16,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (93)] Waiting until timeout for monitored process [2023-12-03 01:27:19,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:27:19,991 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:27:20,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:27:20,312 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:27:20,314 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:27:20,323 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:27:20,359 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (93)] Ended with exit code 0 [2023-12-03 01:27:20,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:27:20,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 01:27:20,369 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 01:27:20,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 01:27:20,370 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:27:20,370 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:27:20,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:27:20,371 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:27:20,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (94)] Waiting until timeout for monitored process [2023-12-03 01:27:24,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:27:24,300 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:27:24,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:27:24,628 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:27:24,629 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:27:24,639 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:27:24,676 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (94)] Forceful destruction successful, exit code 0 [2023-12-03 01:27:24,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:27:24,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 01:27:24,706 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 01:27:24,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 01:27:24,706 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:27:24,706 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:27:24,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:27:24,707 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:27:24,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (95)] Waiting until timeout for monitored process [2023-12-03 01:27:28,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:27:28,352 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:27:28,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:27:28,665 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:27:28,667 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:27:28,677 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 01:27:28,714 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (95)] Ended with exit code 0 [2023-12-03 01:27:28,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:27:28,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 01:27:28,724 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 01:27:28,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 01:27:28,724 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:27:28,724 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:27:28,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:27:28,725 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:27:28,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (96)] Waiting until timeout for monitored process [2023-12-03 01:27:32,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:27:32,798 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:27:33,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:27:33,167 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:27:33,168 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:27:33,178 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 01:27:33,215 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (96)] Ended with exit code 0 [2023-12-03 01:27:33,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:27:33,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 01:27:33,225 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 01:27:33,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 01:27:33,226 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:27:33,226 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:27:33,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:27:33,227 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:27:33,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (97)] Waiting until timeout for monitored process [2023-12-03 01:27:36,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:27:36,821 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:27:37,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:27:37,168 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:27:37,170 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:27:37,180 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:27:37,217 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (97)] Ended with exit code 0 [2023-12-03 01:27:37,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:27:37,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 01:27:37,227 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 01:27:37,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 01:27:37,227 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:27:37,228 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:27:37,228 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:27:37,228 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:27:37,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (98)] Waiting until timeout for monitored process [2023-12-03 01:27:41,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:27:41,254 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:27:41,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:27:41,575 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:27:41,577 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:27:41,587 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:27:41,625 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (98)] Forceful destruction successful, exit code 0 [2023-12-03 01:27:41,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:27:41,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 01:27:41,637 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 01:27:41,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 01:27:41,637 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:27:41,637 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:27:41,637 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:27:41,638 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:27:41,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (99)] Waiting until timeout for monitored process [2023-12-03 01:27:45,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:27:45,682 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:27:45,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:27:46,012 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:27:46,014 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:27:46,024 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:27:46,063 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (99)] Forceful destruction successful, exit code 0 [2023-12-03 01:27:46,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:27:46,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 01:27:46,073 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 01:27:46,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 01:27:46,073 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:27:46,073 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:27:46,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:27:46,074 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:27:46,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (100)] Waiting until timeout for monitored process [2023-12-03 01:27:50,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:27:50,040 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:27:50,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:27:50,381 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:27:50,383 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:27:50,393 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:27:50,433 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (100)] Forceful destruction successful, exit code 0 [2023-12-03 01:27:50,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:27:50,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 01:27:50,442 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 01:27:50,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 01:27:50,443 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:27:50,443 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:27:50,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:27:50,444 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:27:50,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (101)] Waiting until timeout for monitored process [2023-12-03 01:27:54,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:27:54,452 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:27:54,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:27:54,825 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:27:54,827 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:27:54,836 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:27:54,876 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (101)] Ended with exit code 0 [2023-12-03 01:27:54,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:27:54,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 01:27:54,885 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 01:27:54,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 01:27:54,886 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:27:54,886 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:27:54,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:27:54,887 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:27:54,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (102)] Waiting until timeout for monitored process [2023-12-03 01:27:59,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:27:59,175 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:27:59,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:27:59,509 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:27:59,510 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:27:59,520 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:27:59,558 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (102)] Ended with exit code 0 [2023-12-03 01:27:59,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:27:59,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 01:27:59,568 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 01:27:59,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 01:27:59,568 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:27:59,568 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:27:59,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:27:59,569 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:27:59,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (103)] Waiting until timeout for monitored process [2023-12-03 01:28:03,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:28:03,592 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:28:03,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:28:03,922 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:28:03,923 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:28:03,933 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:28:03,974 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (103)] Ended with exit code 0 [2023-12-03 01:28:03,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:28:03,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 01:28:03,983 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 01:28:03,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 01:28:03,984 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:28:03,984 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:28:03,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:28:03,984 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:28:03,985 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (104)] Waiting until timeout for monitored process [2023-12-03 01:28:08,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:28:08,280 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:28:08,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:28:08,594 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:28:08,595 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:28:08,607 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:28:08,648 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (104)] Ended with exit code 0 [2023-12-03 01:28:08,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:28:08,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 01:28:08,657 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 01:28:08,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 01:28:08,658 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:28:08,658 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:28:08,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:28:08,659 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:28:08,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (105)] Waiting until timeout for monitored process [2023-12-03 01:28:12,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:28:12,845 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:28:13,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:28:13,187 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:28:13,189 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:28:13,198 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:28:13,240 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (105)] Ended with exit code 0 [2023-12-03 01:28:13,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:28:13,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 01:28:13,250 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 01:28:13,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 01:28:13,250 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:28:13,250 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:28:13,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:28:13,251 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:28:13,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (106)] Waiting until timeout for monitored process [2023-12-03 01:28:17,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:28:17,584 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:28:17,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:28:17,955 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:28:17,957 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:28:17,968 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:28:18,010 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (106)] Ended with exit code 0 [2023-12-03 01:28:18,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:28:18,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 01:28:18,019 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 01:28:18,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 01:28:18,020 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:28:18,020 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:28:18,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:28:18,021 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:28:18,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (107)] Waiting until timeout for monitored process [2023-12-03 01:28:23,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:28:23,364 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:28:23,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:28:23,822 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:28:23,824 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:28:23,837 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:28:23,890 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (107)] Ended with exit code 0 [2023-12-03 01:28:23,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:28:23,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 01:28:23,900 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 01:28:23,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 01:28:23,900 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:28:23,901 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:28:23,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:28:23,902 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:28:23,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (108)] Waiting until timeout for monitored process [2023-12-03 01:28:28,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:28:28,581 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:28:28,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:28:28,909 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:28:28,910 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:28:28,920 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 01:28:28,963 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (108)] Ended with exit code 0 [2023-12-03 01:28:28,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:28:28,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 01:28:28,972 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 01:28:28,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 01:28:28,973 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:28:28,973 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:28:28,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:28:28,974 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:28:28,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (109)] Waiting until timeout for monitored process [2023-12-03 01:28:33,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:28:33,619 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:28:33,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:28:33,976 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:28:33,977 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:28:33,987 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:28:34,031 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (109)] Ended with exit code 0 [2023-12-03 01:28:34,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:28:34,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 01:28:34,041 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 01:28:34,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 01:28:34,042 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:28:34,042 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:28:34,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:28:34,043 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:28:34,043 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (110)] Waiting until timeout for monitored process [2023-12-03 01:28:38,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:28:38,237 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:28:38,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:28:38,585 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:28:38,587 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:28:38,596 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:28:38,640 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (110)] Ended with exit code 0 [2023-12-03 01:28:38,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:28:38,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 01:28:38,649 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 01:28:38,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 01:28:38,650 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:28:38,650 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:28:38,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:28:38,651 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:28:38,652 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (111)] Waiting until timeout for monitored process [2023-12-03 01:28:42,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:28:42,762 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:28:43,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:28:43,141 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:28:43,143 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:28:43,153 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 01:28:43,197 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (111)] Ended with exit code 0 [2023-12-03 01:28:43,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:28:43,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 01:28:43,209 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 01:28:43,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 01:28:43,209 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:28:43,209 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:28:43,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:28:43,210 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:28:43,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (112)] Waiting until timeout for monitored process [2023-12-03 01:28:47,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:28:47,927 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:28:48,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:28:48,256 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:28:48,257 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:28:48,268 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:28:48,312 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (112)] Ended with exit code 0 [2023-12-03 01:28:48,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:28:48,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 01:28:48,322 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 01:28:48,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 01:28:48,323 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:28:48,323 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:28:48,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:28:48,324 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:28:48,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (113)] Waiting until timeout for monitored process [2023-12-03 01:28:52,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:28:52,984 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:28:53,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:28:53,344 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:28:53,345 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:28:53,356 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:28:53,401 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (113)] Ended with exit code 0 [2023-12-03 01:28:53,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:28:53,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 01:28:53,410 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 01:28:53,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 01:28:53,411 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:28:53,411 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:28:53,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:28:53,412 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:28:53,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (114)] Waiting until timeout for monitored process [2023-12-03 01:28:58,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:28:58,362 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:28:58,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:28:58,788 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:28:58,790 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:28:58,802 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:28:58,865 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (114)] Forceful destruction successful, exit code 0 [2023-12-03 01:28:58,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:28:58,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 01:28:58,878 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 01:28:58,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 01:28:58,879 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:28:58,879 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:28:58,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:28:58,880 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:28:58,881 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (115)] Waiting until timeout for monitored process [2023-12-03 01:29:04,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:29:04,791 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:29:05,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:29:05,272 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:29:05,273 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:29:05,288 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:29:05,352 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (115)] Ended with exit code 0 [2023-12-03 01:29:05,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:29:05,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 01:29:05,365 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 01:29:05,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 01:29:05,366 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:29:05,366 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:29:05,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:29:05,367 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:29:05,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (116)] Waiting until timeout for monitored process [2023-12-03 01:29:11,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:29:11,203 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:29:11,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:29:11,535 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:29:11,537 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:29:11,546 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:29:11,592 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (116)] Ended with exit code 0 [2023-12-03 01:29:11,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:29:11,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 01:29:11,601 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 01:29:11,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 01:29:11,601 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:29:11,601 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:29:11,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:29:11,602 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:29:11,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (117)] Waiting until timeout for monitored process [2023-12-03 01:29:16,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:29:16,463 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:29:16,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:29:16,798 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:29:16,800 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:29:16,828 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 01:29:16,873 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (117)] Ended with exit code 0 [2023-12-03 01:29:16,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:29:16,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 01:29:16,883 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 01:29:16,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 01:29:16,883 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:29:16,883 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:29:16,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:29:16,884 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:29:16,885 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (118)] Waiting until timeout for monitored process [2023-12-03 01:29:21,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:29:21,348 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:29:21,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:29:21,683 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:29:21,684 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:29:21,694 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:29:21,741 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (118)] Forceful destruction successful, exit code 0 [2023-12-03 01:29:21,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:29:21,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 01:29:21,750 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 01:29:21,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 01:29:21,750 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:29:21,750 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:29:21,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:29:21,751 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:29:21,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (119)] Waiting until timeout for monitored process [2023-12-03 01:29:26,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:29:26,344 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:29:26,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:29:26,696 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:29:26,697 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:29:26,707 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:29:26,754 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (119)] Ended with exit code 0 [2023-12-03 01:29:26,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:29:26,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 01:29:26,763 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 01:29:26,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 01:29:26,763 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:29:26,763 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:29:26,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:29:26,764 INFO L229 MonitoredProcess]: Starting monitored process 120 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:29:26,765 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (120)] Waiting until timeout for monitored process [2023-12-03 01:29:31,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:29:31,573 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:29:31,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:29:31,905 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:29:31,907 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:29:31,916 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:29:31,963 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (120)] Ended with exit code 0 [2023-12-03 01:29:31,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:29:31,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 01:29:31,972 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 01:29:31,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 01:29:31,973 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:29:31,973 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:29:31,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:29:31,974 INFO L229 MonitoredProcess]: Starting monitored process 121 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:29:31,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (121)] Waiting until timeout for monitored process [2023-12-03 01:29:36,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:29:36,847 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:29:37,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:29:37,208 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:29:37,209 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:29:37,220 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:29:37,268 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (121)] Ended with exit code 0 [2023-12-03 01:29:37,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:29:37,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 01:29:37,277 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 01:29:37,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 01:29:37,277 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:29:37,278 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:29:37,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:29:37,279 INFO L229 MonitoredProcess]: Starting monitored process 122 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:29:37,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (122)] Waiting until timeout for monitored process [2023-12-03 01:29:41,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:29:41,887 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:29:42,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:29:42,349 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:29:42,351 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:29:42,365 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:29:42,433 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (122)] Ended with exit code 0 [2023-12-03 01:29:42,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:29:42,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 01:29:42,445 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 01:29:42,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 01:29:42,445 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:29:42,445 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:29:42,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:29:42,447 INFO L229 MonitoredProcess]: Starting monitored process 123 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:29:42,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (123)] Waiting until timeout for monitored process [2023-12-03 01:29:48,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:29:48,929 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:29:49,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:29:49,256 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:29:49,257 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:29:49,266 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 01:29:49,315 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (123)] Ended with exit code 0 [2023-12-03 01:29:49,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:29:49,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 01:29:49,324 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 01:29:49,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 01:29:49,325 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:29:49,325 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:29:49,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:29:49,326 INFO L229 MonitoredProcess]: Starting monitored process 124 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:29:49,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (124)] Waiting until timeout for monitored process [2023-12-03 01:29:54,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:29:54,423 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:29:54,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:29:54,769 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:29:54,770 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:29:54,779 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:29:54,828 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (124)] Ended with exit code 0 [2023-12-03 01:29:54,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:29:54,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 01:29:54,838 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 01:29:54,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 01:29:54,838 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:29:54,839 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:29:54,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:29:54,840 INFO L229 MonitoredProcess]: Starting monitored process 125 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:29:54,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (125)] Waiting until timeout for monitored process [2023-12-03 01:30:00,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:30:00,160 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:30:00,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:30:00,521 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:30:00,522 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:30:00,533 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:30:00,583 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (125)] Ended with exit code 0 [2023-12-03 01:30:00,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:30:00,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 01:30:00,592 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 01:30:00,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 01:30:00,592 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:30:00,592 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:30:00,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:30:00,593 INFO L229 MonitoredProcess]: Starting monitored process 126 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:30:00,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (126)] Waiting until timeout for monitored process [2023-12-03 01:30:05,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:30:05,522 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:30:05,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:30:05,861 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:30:05,863 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:30:05,872 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 01:30:05,922 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (126)] Ended with exit code 0 [2023-12-03 01:30:05,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:30:05,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 01:30:05,931 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 01:30:05,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 01:30:05,931 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:30:05,931 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:30:05,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:30:05,932 INFO L229 MonitoredProcess]: Starting monitored process 127 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:30:05,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (127)] Waiting until timeout for monitored process [2023-12-03 01:30:11,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:30:11,270 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:30:11,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:30:11,599 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:30:11,600 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:30:11,610 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 01:30:11,660 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (127)] Ended with exit code 0 [2023-12-03 01:30:11,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:30:11,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 01:30:11,670 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 01:30:11,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 01:30:11,670 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:30:11,670 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:30:11,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:30:11,671 INFO L229 MonitoredProcess]: Starting monitored process 128 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:30:11,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (128)] Waiting until timeout for monitored process [2023-12-03 01:30:16,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:30:16,875 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:30:17,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:30:17,244 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:30:17,246 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:30:17,258 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:30:17,310 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (128)] Ended with exit code 0 [2023-12-03 01:30:17,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:30:17,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 01:30:17,320 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 01:30:17,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 01:30:17,320 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:30:17,320 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:30:17,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:30:17,322 INFO L229 MonitoredProcess]: Starting monitored process 129 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:30:17,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (129)] Waiting until timeout for monitored process [2023-12-03 01:30:23,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:30:23,878 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:30:24,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:30:24,341 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:30:24,343 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:30:24,358 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:30:24,428 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (129)] Ended with exit code 0 [2023-12-03 01:30:24,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:30:24,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 01:30:24,440 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 01:30:24,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 01:30:24,440 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:30:24,440 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:30:24,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:30:24,441 INFO L229 MonitoredProcess]: Starting monitored process 130 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:30:24,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (130)] Waiting until timeout for monitored process [2023-12-03 01:30:30,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:30:30,856 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:30:31,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:30:31,305 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:30:31,307 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:30:31,321 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:30:31,394 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (130)] Forceful destruction successful, exit code 0 [2023-12-03 01:30:31,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:30:31,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 01:30:31,407 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 01:30:31,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 01:30:31,407 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:30:31,407 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:30:31,407 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:30:31,408 INFO L229 MonitoredProcess]: Starting monitored process 131 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:30:31,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (131)] Waiting until timeout for monitored process [2023-12-03 01:30:37,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:30:37,025 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:30:37,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:30:37,355 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:30:37,357 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:30:37,366 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:30:37,418 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (131)] Ended with exit code 0 [2023-12-03 01:30:37,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:30:37,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 01:30:37,427 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 01:30:37,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 01:30:37,428 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:30:37,428 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:30:37,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:30:37,429 INFO L229 MonitoredProcess]: Starting monitored process 132 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:30:37,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (132)] Waiting until timeout for monitored process [2023-12-03 01:30:42,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:30:42,977 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:30:43,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:30:43,283 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:30:43,284 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:30:43,293 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:30:43,346 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (132)] Ended with exit code 0 [2023-12-03 01:30:43,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:30:43,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 01:30:43,356 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 01:30:43,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 01:30:43,356 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:30:43,356 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:30:43,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:30:43,357 INFO L229 MonitoredProcess]: Starting monitored process 133 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:30:43,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (133)] Waiting until timeout for monitored process [2023-12-03 01:30:49,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:30:49,033 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:30:49,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:30:49,358 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:30:49,359 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:30:49,369 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:30:49,421 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (133)] Ended with exit code 0 [2023-12-03 01:30:49,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:30:49,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 01:30:49,431 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 01:30:49,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 01:30:49,431 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:30:49,431 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:30:49,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:30:49,432 INFO L229 MonitoredProcess]: Starting monitored process 134 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:30:49,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (134)] Waiting until timeout for monitored process [2023-12-03 01:30:55,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:30:55,011 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:30:55,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:30:55,393 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:30:55,394 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:30:55,405 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:30:55,463 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (134)] Ended with exit code 0 [2023-12-03 01:30:55,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:30:55,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 01:30:55,477 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 01:30:55,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 01:30:55,477 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:30:55,477 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:30:55,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:30:55,478 INFO L229 MonitoredProcess]: Starting monitored process 135 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:30:55,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (135)] Waiting until timeout for monitored process [2023-12-03 01:31:01,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:31:01,558 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:31:01,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:31:01,960 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:31:01,962 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:31:01,973 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:31:02,031 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (135)] Ended with exit code 0 [2023-12-03 01:31:02,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:31:02,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 01:31:02,040 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 01:31:02,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 01:31:02,040 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:31:02,041 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:31:02,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:31:02,041 INFO L229 MonitoredProcess]: Starting monitored process 136 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:31:02,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (136)] Waiting until timeout for monitored process [2023-12-03 01:31:07,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:31:07,770 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:31:08,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:31:08,146 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:31:08,147 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:31:08,159 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:31:08,218 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (136)] Ended with exit code 0 [2023-12-03 01:31:08,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:31:08,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 01:31:08,256 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 01:31:08,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 01:31:08,256 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:31:08,256 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:31:08,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:31:08,257 INFO L229 MonitoredProcess]: Starting monitored process 137 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:31:08,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (137)] Waiting until timeout for monitored process [2023-12-03 01:31:13,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:31:13,995 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:31:14,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:31:14,347 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:31:14,348 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:31:14,359 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:31:14,415 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (137)] Ended with exit code 0 [2023-12-03 01:31:14,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:31:14,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 01:31:14,424 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 01:31:14,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 01:31:14,425 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:31:14,425 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:31:14,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:31:14,426 INFO L229 MonitoredProcess]: Starting monitored process 138 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:31:14,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52db6291-2501-43ec-83d2-6cf69688a853/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (138)] Waiting until timeout for monitored process