./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test3-1.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_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/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_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test3-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/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_0019d1df-d711-4ca4-bd52-0f2933f08e99/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 2f1aaf5276e100f83cf10565e66c3b5d8c0baa3bbd1a1424b76fbee71241f226 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:10:24,103 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:10:24,169 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-02 23:10:24,173 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 23:10:24,174 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 23:10:24,196 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:10:24,197 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:10:24,197 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:10:24,198 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:10:24,199 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:10:24,199 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:10:24,200 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:10:24,200 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 23:10:24,201 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 23:10:24,201 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 23:10:24,202 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:10:24,202 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:10:24,203 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:10:24,203 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:10:24,203 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 23:10:24,204 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:10:24,205 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:10:24,205 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:10:24,206 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:10:24,206 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:10:24,206 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:10:24,207 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:10:24,207 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:10:24,208 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:10:24,208 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:10:24,209 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 23:10:24,209 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 23:10:24,209 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:10:24,210 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_0019d1df-d711-4ca4-bd52-0f2933f08e99/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2f1aaf5276e100f83cf10565e66c3b5d8c0baa3bbd1a1424b76fbee71241f226 [2023-12-02 23:10:24,420 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:10:24,441 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:10:24,443 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:10:24,444 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:10:24,445 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:10:24,446 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test3-1.i [2023-12-02 23:10:27,183 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:10:27,450 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:10:27,450 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test3-1.i [2023-12-02 23:10:27,467 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/data/7dd621cb3/447c8ac674554f1993d2780efd14e950/FLAGf4324cc26 [2023-12-02 23:10:27,480 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/data/7dd621cb3/447c8ac674554f1993d2780efd14e950 [2023-12-02 23:10:27,482 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:10:27,484 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:10:27,485 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:10:27,485 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:10:27,489 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:10:27,489 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:10:27" (1/1) ... [2023-12-02 23:10:27,491 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@435706a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:10:27, skipping insertion in model container [2023-12-02 23:10:27,491 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:10:27" (1/1) ... [2023-12-02 23:10:27,562 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:10:27,881 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test3-1.i[33021,33034] [2023-12-02 23:10:27,976 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_0019d1df-d711-4ca4-bd52-0f2933f08e99/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test3-1.i[44590,44603] [2023-12-02 23:10:27,985 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:10:27,995 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:10:28,024 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_0019d1df-d711-4ca4-bd52-0f2933f08e99/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test3-1.i[33021,33034] [2023-12-02 23:10:28,077 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_0019d1df-d711-4ca4-bd52-0f2933f08e99/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test3-1.i[44590,44603] [2023-12-02 23:10:28,082 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:10:28,135 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:10:28,143 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:10:28,144 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:10:28 WrapperNode [2023-12-02 23:10:28,144 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:10:28,145 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:10:28,145 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:10:28,145 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:10:28,152 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:10:28" (1/1) ... [2023-12-02 23:10:28,184 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:10:28" (1/1) ... [2023-12-02 23:10:28,246 INFO L138 Inliner]: procedures = 177, calls = 285, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1359 [2023-12-02 23:10:28,246 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:10:28,247 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:10:28,247 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:10:28,247 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:10:28,256 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:10:28" (1/1) ... [2023-12-02 23:10:28,257 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:10:28" (1/1) ... [2023-12-02 23:10:28,267 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:10:28" (1/1) ... [2023-12-02 23:10:28,268 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:10:28" (1/1) ... [2023-12-02 23:10:28,313 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:10:28" (1/1) ... [2023-12-02 23:10:28,327 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:10:28" (1/1) ... [2023-12-02 23:10:28,333 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:10:28" (1/1) ... [2023-12-02 23:10:28,341 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:10:28" (1/1) ... [2023-12-02 23:10:28,353 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:10:28,354 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:10:28,354 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:10:28,354 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:10:28,355 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:10:28" (1/1) ... [2023-12-02 23:10:28,361 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:10:28,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:10:28,383 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:10:28,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:10:28,419 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 23:10:28,419 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-02 23:10:28,419 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-02 23:10:28,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 23:10:28,419 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-02 23:10:28,419 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-02 23:10:28,420 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-02 23:10:28,420 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:10:28,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-02 23:10:28,420 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 23:10:28,420 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-12-02 23:10:28,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-02 23:10:28,420 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 23:10:28,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 23:10:28,421 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:10:28,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:10:28,604 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:10:28,606 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:10:29,948 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:10:31,430 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:10:31,431 INFO L309 CfgBuilder]: Removed 63 assume(true) statements. [2023-12-02 23:10:31,432 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:10:31 BoogieIcfgContainer [2023-12-02 23:10:31,433 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:10:31,433 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:10:31,434 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:10:31,444 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:10:31,444 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:10:31" (1/1) ... [2023-12-02 23:10:31,453 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:10:31,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:10:31,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 131 states and 222 transitions. [2023-12-02 23:10:31,512 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 222 transitions. [2023-12-02 23:10:31,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-02 23:10:31,514 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:10:31,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:10:31,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:10:31,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:10:31,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:10:31,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 131 states and 217 transitions. [2023-12-02 23:10:31,695 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 217 transitions. [2023-12-02 23:10:31,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-02 23:10:31,699 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:10:31,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:10:31,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:10:31,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:10:31,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:10:31,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 133 states and 219 transitions. [2023-12-02 23:10:31,957 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 219 transitions. [2023-12-02 23:10:31,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-02 23:10:31,958 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:10:31,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:10:32,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:10:32,070 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:10:32,076 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:10:32,087 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:10:32,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:10:32,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 133 states and 217 transitions. [2023-12-02 23:10:32,096 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 217 transitions. [2023-12-02 23:10:32,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-02 23:10:32,098 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:10:32,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:10:32,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:10:32,205 INFO L262 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:10:32,208 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:10:32,212 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:10:32,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:10:32,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 133 states and 213 transitions. [2023-12-02 23:10:32,221 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 213 transitions. [2023-12-02 23:10:32,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-02 23:10:32,223 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:10:32,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:10:32,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:10:32,336 INFO L262 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:10:32,339 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:10:32,343 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:10:32,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:10:32,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 133 states and 207 transitions. [2023-12-02 23:10:32,350 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 207 transitions. [2023-12-02 23:10:32,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 23:10:32,352 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:10:32,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:10:32,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:10:32,500 INFO L262 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:10:32,504 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:10:32,508 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:10:34,567 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:10:34,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:10:34,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 133 states and 199 transitions. [2023-12-02 23:10:34,649 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 199 transitions. [2023-12-02 23:10:34,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-12-02 23:10:34,651 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:10:34,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:10:34,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:10:34,921 INFO L262 TraceCheckSpWp]: Trace formula consists of 367 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:10:34,925 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:10:35,007 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:10:45,189 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:10:55,215 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:11:05,281 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:11:15,303 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 [] [2023-12-02 23:11:15,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:11:15,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 146 states and 214 transitions. [2023-12-02 23:11:15,351 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 214 transitions. [2023-12-02 23:11:15,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:11:15,352 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:11:15,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:11:15,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:11:15,551 INFO L262 TraceCheckSpWp]: Trace formula consists of 367 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:11:15,553 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:11:15,557 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:11:15,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:11:15,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 146 states and 212 transitions. [2023-12-02 23:11:15,565 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 212 transitions. [2023-12-02 23:11:15,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-12-02 23:11:15,567 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:11:15,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:11:15,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:11:15,829 INFO L262 TraceCheckSpWp]: Trace formula consists of 381 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:11:15,832 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:11:15,835 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:11:25,847 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 [] [2023-12-02 23:11:25,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:11:25,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 146 states and 210 transitions. [2023-12-02 23:11:25,897 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 210 transitions. [2023-12-02 23:11:25,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-12-02 23:11:25,898 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:11:25,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:11:26,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:11:26,147 INFO L262 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:11:26,150 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:11:26,249 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:11:36,268 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:11:46,309 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:11:56,334 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:12:06,363 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:12:06,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:12:06,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 149 states and 212 transitions. [2023-12-02 23:12:06,409 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 212 transitions. [2023-12-02 23:12:06,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 23:12:06,410 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:12:06,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:12:06,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:12:06,674 INFO L262 TraceCheckSpWp]: Trace formula consists of 514 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:12:06,679 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:12:06,734 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 15 treesize of output 1 [2023-12-02 23:12:06,754 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-12-02 23:12:06,774 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 23:12:06,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:12:06,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 151 states and 215 transitions. [2023-12-02 23:12:06,832 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 215 transitions. [2023-12-02 23:12:06,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 23:12:06,833 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:12:06,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:12:07,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:12:07,117 INFO L262 TraceCheckSpWp]: Trace formula consists of 492 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:12:07,121 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:12:07,125 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 23:12:07,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:12:07,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 151 states and 211 transitions. [2023-12-02 23:12:07,134 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 211 transitions. [2023-12-02 23:12:07,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 23:12:07,134 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:12:07,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:12:07,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:12:07,383 INFO L262 TraceCheckSpWp]: Trace formula consists of 502 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:12:07,385 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:12:07,390 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 23:12:07,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:12:07,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 151 states and 209 transitions. [2023-12-02 23:12:07,400 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 209 transitions. [2023-12-02 23:12:07,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-12-02 23:12:07,401 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:12:07,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:12:07,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:12:07,711 INFO L262 TraceCheckSpWp]: Trace formula consists of 539 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:12:07,714 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:12:07,718 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 23:12:17,745 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:12:17,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:12:17,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 151 states and 207 transitions. [2023-12-02 23:12:17,786 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 207 transitions. [2023-12-02 23:12:17,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-02 23:12:17,786 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:12:17,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:12:18,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:12:18,073 INFO L262 TraceCheckSpWp]: Trace formula consists of 548 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:12:18,076 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:12:18,172 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-02 23:12:28,273 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:12:38,308 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:12:48,353 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:12:58,382 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:13:09,492 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:13:19,527 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:13:29,558 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:13:39,619 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 [] [2023-12-02 23:13:39,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:13:39,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 197 states and 266 transitions. [2023-12-02 23:13:39,652 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 266 transitions. [2023-12-02 23:13:39,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-12-02 23:13:39,653 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:13:39,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:13:39,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:13:39,944 INFO L262 TraceCheckSpWp]: Trace formula consists of 548 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:13:39,947 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:13:39,952 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 23:13:39,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:13:39,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 197 states and 262 transitions. [2023-12-02 23:13:39,969 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 262 transitions. [2023-12-02 23:13:39,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-12-02 23:13:39,970 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:13:39,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:13:40,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:13:40,286 INFO L262 TraceCheckSpWp]: Trace formula consists of 562 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:13:40,289 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:13:40,293 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 23:13:50,309 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:13:50,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:13:50,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 197 states and 260 transitions. [2023-12-02 23:13:50,363 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 260 transitions. [2023-12-02 23:13:50,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-02 23:13:50,364 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:13:50,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:13:50,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:13:50,673 INFO L262 TraceCheckSpWp]: Trace formula consists of 571 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:13:50,676 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:13:50,770 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:14:00,814 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:14:10,847 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:14:20,881 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:14:30,915 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:14:30,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:14:30,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 200 states and 262 transitions. [2023-12-02 23:14:30,962 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 262 transitions. [2023-12-02 23:14:30,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-02 23:14:30,963 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:14:30,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:14:31,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:14:31,262 INFO L262 TraceCheckSpWp]: Trace formula consists of 589 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:14:31,265 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:14:31,269 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-02 23:14:31,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:14:31,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 200 states and 260 transitions. [2023-12-02 23:14:31,446 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 260 transitions. [2023-12-02 23:14:31,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-02 23:14:31,446 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:14:31,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:14:31,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:14:31,763 INFO L262 TraceCheckSpWp]: Trace formula consists of 571 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:14:31,765 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:14:31,840 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:14:41,852 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:14:51,881 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:15:01,905 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:15:11,929 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:15:11,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:15:11,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 183 states and 239 transitions. [2023-12-02 23:15:11,971 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 239 transitions. [2023-12-02 23:15:11,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 23:15:11,971 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:15:11,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:15:22,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-02 23:15:22,240 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) [2023-12-02 23:15:22,244 INFO L158 Benchmark]: Toolchain (without parser) took 294759.72ms. Allocated memory was 153.1MB in the beginning and 232.8MB in the end (delta: 79.7MB). Free memory was 110.5MB in the beginning and 48.9MB in the end (delta: 61.7MB). Peak memory consumption was 143.3MB. Max. memory is 16.1GB. [2023-12-02 23:15:22,244 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 107.0MB. Free memory is still 54.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:15:22,244 INFO L158 Benchmark]: CACSL2BoogieTranslator took 659.35ms. Allocated memory is still 153.1MB. Free memory was 110.5MB in the beginning and 116.1MB in the end (delta: -5.6MB). Peak memory consumption was 38.5MB. Max. memory is 16.1GB. [2023-12-02 23:15:22,245 INFO L158 Benchmark]: Boogie Procedure Inliner took 101.24ms. Allocated memory is still 153.1MB. Free memory was 116.1MB in the beginning and 106.9MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-12-02 23:15:22,246 INFO L158 Benchmark]: Boogie Preprocessor took 106.29ms. Allocated memory is still 153.1MB. Free memory was 106.9MB in the beginning and 98.5MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-12-02 23:15:22,246 INFO L158 Benchmark]: RCFGBuilder took 3078.95ms. Allocated memory was 153.1MB in the beginning and 192.9MB in the end (delta: 39.8MB). Free memory was 98.5MB in the beginning and 77.8MB in the end (delta: 20.8MB). Peak memory consumption was 86.3MB. Max. memory is 16.1GB. [2023-12-02 23:15:22,247 INFO L158 Benchmark]: CodeCheck took 290809.41ms. Allocated memory was 192.9MB in the beginning and 232.8MB in the end (delta: 39.8MB). Free memory was 77.8MB in the beginning and 48.9MB in the end (delta: 28.9MB). Peak memory consumption was 68.7MB. Max. memory is 16.1GB. [2023-12-02 23:15:22,250 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 0.19ms. Allocated memory is still 107.0MB. Free memory is still 54.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 659.35ms. Allocated memory is still 153.1MB. Free memory was 110.5MB in the beginning and 116.1MB in the end (delta: -5.6MB). Peak memory consumption was 38.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 101.24ms. Allocated memory is still 153.1MB. Free memory was 116.1MB in the beginning and 106.9MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 106.29ms. Allocated memory is still 153.1MB. Free memory was 106.9MB in the beginning and 98.5MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 3078.95ms. Allocated memory was 153.1MB in the beginning and 192.9MB in the end (delta: 39.8MB). Free memory was 98.5MB in the beginning and 77.8MB in the end (delta: 20.8MB). Peak memory consumption was 86.3MB. Max. memory is 16.1GB. * CodeCheck took 290809.41ms. Allocated memory was 192.9MB in the beginning and 232.8MB in the end (delta: 39.8MB). Free memory was 77.8MB in the beginning and 48.9MB in the end (delta: 28.9MB). Peak memory consumption was 68.7MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-02 23:15:22,429 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/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_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/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_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test3-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/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_0019d1df-d711-4ca4-bd52-0f2933f08e99/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 2f1aaf5276e100f83cf10565e66c3b5d8c0baa3bbd1a1424b76fbee71241f226 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:15:24,122 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:15:24,201 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-02 23:15:24,234 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:15:24,235 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:15:24,235 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:15:24,236 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:15:24,237 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:15:24,237 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:15:24,238 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:15:24,238 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 23:15:24,239 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 23:15:24,239 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:15:24,240 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:15:24,241 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:15:24,241 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:15:24,242 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 23:15:24,242 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 23:15:24,243 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 23:15:24,243 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 23:15:24,244 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:15:24,245 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:15:24,245 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:15:24,246 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:15:24,246 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:15:24,247 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 23:15:24,247 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 23:15:24,248 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:15:24,248 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:15:24,249 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:15:24,249 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:15:24,250 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:15:24,250 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 23:15:24,250 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 23:15:24,251 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:15:24,251 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 23:15:24,251 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 23:15:24,251 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_0019d1df-d711-4ca4-bd52-0f2933f08e99/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2f1aaf5276e100f83cf10565e66c3b5d8c0baa3bbd1a1424b76fbee71241f226 [2023-12-02 23:15:24,553 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:15:24,573 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:15:24,576 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:15:24,577 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:15:24,577 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:15:24,579 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test3-1.i [2023-12-02 23:15:27,354 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:15:27,661 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:15:27,662 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test3-1.i [2023-12-02 23:15:27,685 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/data/e34bf3538/315338cb23eb4bc99449c15085a8cc88/FLAG5efb362aa [2023-12-02 23:15:27,700 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/data/e34bf3538/315338cb23eb4bc99449c15085a8cc88 [2023-12-02 23:15:27,702 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:15:27,703 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:15:27,705 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:15:27,705 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:15:27,709 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:15:27,710 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:15:27" (1/1) ... [2023-12-02 23:15:27,711 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fab81fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:15:27, skipping insertion in model container [2023-12-02 23:15:27,712 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:15:27" (1/1) ... [2023-12-02 23:15:27,774 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:15:28,138 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_0019d1df-d711-4ca4-bd52-0f2933f08e99/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test3-1.i[33021,33034] [2023-12-02 23:15:28,251 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_0019d1df-d711-4ca4-bd52-0f2933f08e99/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test3-1.i[44590,44603] [2023-12-02 23:15:28,259 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:15:28,276 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-02 23:15:28,299 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:15:28,319 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_0019d1df-d711-4ca4-bd52-0f2933f08e99/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test3-1.i[33021,33034] [2023-12-02 23:15:28,379 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_0019d1df-d711-4ca4-bd52-0f2933f08e99/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test3-1.i[44590,44603] [2023-12-02 23:15:28,383 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:15:28,390 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:15:28,417 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_0019d1df-d711-4ca4-bd52-0f2933f08e99/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test3-1.i[33021,33034] [2023-12-02 23:15:28,466 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test3-1.i[44590,44603] [2023-12-02 23:15:28,469 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:15:28,512 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:15:28,520 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:15:28,520 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:15:28 WrapperNode [2023-12-02 23:15:28,520 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:15:28,521 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:15:28,522 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:15:28,522 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:15:28,527 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:15:28" (1/1) ... [2023-12-02 23:15:28,564 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:15:28" (1/1) ... [2023-12-02 23:15:28,623 INFO L138 Inliner]: procedures = 180, calls = 285, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1032 [2023-12-02 23:15:28,623 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:15:28,624 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:15:28,624 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:15:28,624 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:15:28,635 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:15:28" (1/1) ... [2023-12-02 23:15:28,635 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:15:28" (1/1) ... [2023-12-02 23:15:28,649 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:15:28" (1/1) ... [2023-12-02 23:15:28,650 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:15:28" (1/1) ... [2023-12-02 23:15:28,701 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:15:28" (1/1) ... [2023-12-02 23:15:28,711 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:15:28" (1/1) ... [2023-12-02 23:15:28,717 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:15:28" (1/1) ... [2023-12-02 23:15:28,724 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:15:28" (1/1) ... [2023-12-02 23:15:28,736 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:15:28,737 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:15:28,737 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:15:28,738 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:15:28,739 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:15:28" (1/1) ... [2023-12-02 23:15:28,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:15:28,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:15:28,773 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:15:28,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:15:28,811 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-12-02 23:15:28,811 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-02 23:15:28,811 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-02 23:15:28,811 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-02 23:15:28,811 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-02 23:15:28,811 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-02 23:15:28,812 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-02 23:15:28,812 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:15:28,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-02 23:15:28,812 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 23:15:28,812 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-12-02 23:15:28,813 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-02 23:15:28,813 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 23:15:28,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-02 23:15:28,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 23:15:28,813 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:15:28,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:15:29,014 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:15:29,016 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:15:43,812 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:15:44,280 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:15:44,281 INFO L309 CfgBuilder]: Removed 63 assume(true) statements. [2023-12-02 23:15:44,282 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:15:44 BoogieIcfgContainer [2023-12-02 23:15:44,283 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:15:44,284 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:15:44,284 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:15:44,293 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:15:44,293 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:15:44" (1/1) ... [2023-12-02 23:15:44,302 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:15:44,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:15:44,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 131 states and 222 transitions. [2023-12-02 23:15:44,364 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 222 transitions. [2023-12-02 23:15:44,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-02 23:15:44,367 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:15:44,367 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:15:44,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:15:44,369 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:15:44,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 23:15:44,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:15:44,673 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:15:44,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:15:44,740 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:15:44,745 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:15:44,764 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:15:44,769 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 23:15:44,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:15:44,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 131 states and 217 transitions. [2023-12-02 23:15:44,800 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 217 transitions. [2023-12-02 23:15:44,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-02 23:15:44,805 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:15:44,805 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:15:44,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:15:44,806 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:15:44,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-02 23:15:45,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:15:45,096 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:15:45,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:15:45,165 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:15:45,168 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:15:45,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:15:45,299 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-02 23:15:45,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:15:45,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 138 states and 227 transitions. [2023-12-02 23:15:45,609 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 227 transitions. [2023-12-02 23:15:45,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-02 23:15:45,610 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:15:45,611 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:15:45,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:15:45,612 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:15:45,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-02 23:15:45,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:15:45,887 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:15:45,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:15:45,945 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:15:45,947 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:15:45,950 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:15:45,953 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 23:15:45,953 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-02 23:15:45,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:15:45,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 138 states and 223 transitions. [2023-12-02 23:15:45,962 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 223 transitions. [2023-12-02 23:15:45,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-02 23:15:45,964 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:15:45,964 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:15:45,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:15:45,967 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:15:45,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-02 23:15:46,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:15:46,262 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:15:46,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:15:46,408 INFO L262 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:15:46,410 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:15:46,413 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:15:46,416 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-02 23:15:46,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:15:46,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 138 states and 221 transitions. [2023-12-02 23:15:46,426 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 221 transitions. [2023-12-02 23:15:46,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-02 23:15:46,427 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:15:46,428 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:15:46,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:15:46,429 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:15:46,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-02 23:15:46,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:15:46,693 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:15:46,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:15:46,756 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:15:46,759 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:15:46,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:15:46,768 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-02 23:15:46,768 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 23:15:46,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:15:46,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 138 states and 219 transitions. [2023-12-02 23:15:46,775 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 219 transitions. [2023-12-02 23:15:46,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-02 23:15:46,777 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:15:46,778 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:15:46,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:15:46,779 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:15:46,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-02 23:15:47,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:15:47,073 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:15:47,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:15:47,193 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:15:47,195 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:15:47,198 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:15:47,201 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-02 23:15:47,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:15:47,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 138 states and 215 transitions. [2023-12-02 23:15:47,212 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 215 transitions. [2023-12-02 23:15:47,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-02 23:15:47,213 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:15:47,214 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:15:47,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:15:47,215 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:15:47,217 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-02 23:15:47,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:15:47,485 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:15:47,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:15:47,555 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:15:47,557 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:15:47,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:15:47,564 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2023-12-02 23:15:47,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:15:47,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 138 states and 213 transitions. [2023-12-02 23:15:47,592 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 213 transitions. [2023-12-02 23:15:47,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 23:15:47,593 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:15:47,593 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:15:47,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:15:47,595 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:15:47,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-02 23:15:47,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:15:47,976 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:15:48,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:15:48,084 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 23:15:48,087 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:15:48,114 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 23:15:48,115 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 23:15:48,115 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 23:15:48,126 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 [2023-12-02 23:15:48,241 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 23:15:48,242 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 [2023-12-02 23:15:48,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:15:48,285 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-12-02 23:15:48,285 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 23:15:49,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:15:49,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 140 states and 216 transitions. [2023-12-02 23:15:49,093 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 216 transitions. [2023-12-02 23:15:49,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-02 23:15:49,093 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:15:49,094 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:15:49,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:15:49,095 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:15:49,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-02 23:15:49,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:15:49,374 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:15:49,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:15:49,512 INFO L262 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:15:49,514 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:15:49,517 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:15:49,523 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2023-12-02 23:15:49,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:15:49,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 140 states and 210 transitions. [2023-12-02 23:15:49,534 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 210 transitions. [2023-12-02 23:15:49,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 23:15:49,535 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:15:49,535 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:15:49,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:15:49,536 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:15:49,538 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-02 23:15:49,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:15:49,892 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:15:50,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:15:50,065 INFO L262 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:15:50,066 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:15:50,068 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:15:50,072 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2023-12-02 23:15:50,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:15:50,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 140 states and 204 transitions. [2023-12-02 23:15:50,643 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 204 transitions. [2023-12-02 23:15:50,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-12-02 23:15:50,644 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:15:50,644 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:15:50,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:15:50,645 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:15:50,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-02 23:15:51,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:15:51,108 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:15:51,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:15:51,343 INFO L262 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:15:51,345 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:15:51,443 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:15:51,447 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2023-12-02 23:15:52,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:15:52,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 151 states and 215 transitions. [2023-12-02 23:15:52,110 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 215 transitions. [2023-12-02 23:15:52,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-12-02 23:15:52,111 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:15:52,111 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:15:52,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:15:52,112 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:15:52,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-12-02 23:15:52,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:15:52,549 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:15:52,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:15:52,748 INFO L262 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:15:52,751 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:15:52,754 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:15:52,759 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 23:15:52,759 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2023-12-02 23:15:52,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:15:52,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 151 states and 213 transitions. [2023-12-02 23:15:52,772 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 213 transitions. [2023-12-02 23:15:52,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 23:15:52,773 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:15:52,773 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:15:52,773 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:15:52,774 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:15:52,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-12-02 23:15:53,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:15:53,243 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:15:53,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:15:53,478 INFO L262 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:15:53,479 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:15:53,482 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:15:53,486 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2023-12-02 23:15:53,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:15:53,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 151 states and 211 transitions. [2023-12-02 23:15:53,497 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 211 transitions. [2023-12-02 23:15:53,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-12-02 23:15:53,497 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:15:53,497 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:15:53,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:15:53,498 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:15:53,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-12-02 23:15:53,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:15:53,965 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:15:54,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:15:54,190 INFO L262 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:15:54,192 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:15:54,194 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:15:54,199 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2023-12-02 23:15:54,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:15:54,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 151 states and 209 transitions. [2023-12-02 23:15:54,212 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 209 transitions. [2023-12-02 23:15:54,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-12-02 23:15:54,213 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:15:54,213 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:15:54,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:15:54,214 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:15:54,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2023-12-02 23:15:54,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:15:54,762 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:15:55,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:15:55,050 INFO L262 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:15:55,052 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:15:55,188 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:15:55,193 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2023-12-02 23:15:55,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:15:55,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:15:55,211 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:15:55,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 23:15:55,212 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:15:55,212 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:15:55,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:15:55,213 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:15:55,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2023-12-02 23:15:55,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:15:55,819 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:15:56,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:15:56,162 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:15:56,164 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:15:56,292 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:15:56,297 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2023-12-02 23:15:56,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:15:56,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:15:56,423 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:15:56,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 23:15:56,424 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:15:56,424 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:15:56,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:15:56,425 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:15:56,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2023-12-02 23:15:57,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:15:57,080 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:15:57,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:15:57,381 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:15:57,383 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:15:57,395 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:15:57,402 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Forceful destruction successful, exit code 0 [2023-12-02 23:15:57,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:15:57,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:15:57,411 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:15:57,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 23:15:57,412 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:15:57,412 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:15:57,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:15:57,413 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:15:57,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2023-12-02 23:15:58,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:15:58,173 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:15:58,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:15:58,505 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:15:58,507 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:15:58,517 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:15:58,524 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2023-12-02 23:15:58,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:15:58,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:15:58,535 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:15:58,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 23:15:58,536 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:15:58,536 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:15:58,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:15:58,537 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:15:58,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2023-12-02 23:15:59,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:15:59,364 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:15:59,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:15:59,698 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:15:59,700 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:15:59,711 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:15:59,720 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2023-12-02 23:15:59,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:15:59,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:15:59,730 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:15:59,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 23:15:59,731 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:15:59,732 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:15:59,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:15:59,733 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:15:59,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2023-12-02 23:16:00,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:00,489 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:16:00,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:00,841 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:16:00,843 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:16:00,855 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:16:00,865 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2023-12-02 23:16:00,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:00,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:16:00,874 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:16:00,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 23:16:00,875 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:00,875 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:16:00,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:16:00,876 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:16:00,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2023-12-02 23:16:01,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:01,745 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:16:02,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:02,083 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:16:02,085 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:16:02,095 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:16:02,105 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2023-12-02 23:16:02,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:02,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:16:02,114 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:16:02,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 23:16:02,114 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:02,114 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:16:02,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:16:02,116 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:16:02,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2023-12-02 23:16:02,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:02,902 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:16:03,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:03,204 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:16:03,206 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:16:03,218 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:16:03,233 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2023-12-02 23:16:03,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:03,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:16:03,245 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:16:03,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 23:16:03,246 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:03,246 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:16:03,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:16:03,247 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:16:03,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2023-12-02 23:16:04,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:04,237 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:16:04,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:04,550 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:16:04,553 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:16:04,565 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:16:04,576 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Forceful destruction successful, exit code 0 [2023-12-02 23:16:04,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:04,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:16:04,589 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:16:04,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 23:16:04,590 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:04,590 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:16:04,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:16:04,591 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:16:04,592 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2023-12-02 23:16:05,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:05,561 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:16:05,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:05,884 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:16:05,886 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:16:05,896 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:16:05,908 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Forceful destruction successful, exit code 0 [2023-12-02 23:16:05,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:05,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:16:05,917 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:16:05,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 23:16:05,917 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:05,917 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:16:05,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:16:05,918 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:16:05,919 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2023-12-02 23:16:06,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:06,906 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:16:07,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:07,199 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:16:07,201 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:16:07,214 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:16:07,228 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2023-12-02 23:16:07,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:07,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:16:07,237 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:16:07,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 23:16:07,238 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:07,238 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:16:07,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:16:07,239 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:16:07,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2023-12-02 23:16:08,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:08,272 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:16:08,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:08,569 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:16:08,571 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:16:08,581 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:16:08,595 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2023-12-02 23:16:08,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:08,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:16:08,603 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:16:08,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 23:16:08,604 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:08,604 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:16:08,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:16:08,605 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:16:08,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2023-12-02 23:16:09,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:09,656 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:16:09,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:09,953 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:16:09,954 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:16:09,964 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:16:09,979 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2023-12-02 23:16:09,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:09,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:16:09,986 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:16:09,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 23:16:09,987 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:09,987 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:16:09,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:16:09,988 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:16:09,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2023-12-02 23:16:11,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:11,053 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:16:11,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:11,364 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:16:11,365 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:16:11,375 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:16:11,390 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2023-12-02 23:16:11,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:11,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:16:11,400 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:16:11,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 23:16:11,401 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:11,401 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:16:11,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:16:11,402 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:16:11,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2023-12-02 23:16:12,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:12,500 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:16:12,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:12,804 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:16:12,806 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:16:12,817 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:16:12,833 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2023-12-02 23:16:12,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:12,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:16:12,840 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:16:12,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 23:16:12,841 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:12,841 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:16:12,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:16:12,842 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:16:12,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2023-12-02 23:16:13,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:13,950 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:16:14,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:14,247 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:16:14,248 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:16:14,259 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:16:14,276 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2023-12-02 23:16:14,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:14,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:16:14,288 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:16:14,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 23:16:14,289 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:14,289 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:16:14,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:16:14,290 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:16:14,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2023-12-02 23:16:15,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:15,531 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:16:15,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:15,799 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:16:15,800 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:16:15,811 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:16:15,828 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Forceful destruction successful, exit code 0 [2023-12-02 23:16:15,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:15,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:16:15,836 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:16:15,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 23:16:15,837 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:15,837 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:16:15,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:16:15,838 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:16:15,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2023-12-02 23:16:17,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:17,039 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:16:17,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:17,320 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:16:17,322 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:16:17,332 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:16:17,349 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Forceful destruction successful, exit code 0 [2023-12-02 23:16:17,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:17,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:16:17,357 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:16:17,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 23:16:17,357 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:17,358 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:16:17,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:16:17,359 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:16:17,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2023-12-02 23:16:18,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:18,573 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:16:18,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:18,912 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:16:18,914 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:16:18,925 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:16:18,944 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2023-12-02 23:16:18,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:18,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:16:18,952 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:16:18,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 23:16:18,952 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:18,952 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:16:18,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:16:18,953 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:16:18,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2023-12-02 23:16:20,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:20,290 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:16:20,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:20,591 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:16:20,593 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:16:20,604 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:16:20,623 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2023-12-02 23:16:20,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:20,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:16:20,631 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:16:20,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 23:16:20,632 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:20,632 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:16:20,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:16:20,633 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:16:20,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2023-12-02 23:16:22,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:22,092 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:16:22,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:22,421 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:16:22,422 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:16:22,432 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:16:22,453 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2023-12-02 23:16:22,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:22,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:16:22,460 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:16:22,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 23:16:22,461 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:22,461 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:16:22,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:16:22,462 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:16:22,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2023-12-02 23:16:23,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:23,885 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:16:24,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:24,191 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:16:24,193 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:16:24,205 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:16:24,227 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2023-12-02 23:16:24,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:24,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:16:24,235 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:16:24,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 23:16:24,235 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:24,235 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:16:24,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:16:24,236 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:16:24,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2023-12-02 23:16:25,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:25,677 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:16:25,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:25,977 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:16:25,979 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:16:25,992 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:16:26,015 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2023-12-02 23:16:26,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:26,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:16:26,023 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:16:26,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 23:16:26,023 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:26,024 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:16:26,024 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:16:26,025 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:16:26,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2023-12-02 23:16:27,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:27,600 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:16:27,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:27,908 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:16:27,911 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:16:27,921 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:16:27,945 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2023-12-02 23:16:27,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:27,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:16:27,953 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:16:27,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 23:16:27,953 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:27,953 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:16:27,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:16:27,954 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:16:27,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2023-12-02 23:16:29,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:29,574 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:16:29,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:29,860 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:16:29,862 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:16:29,872 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:16:29,896 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2023-12-02 23:16:29,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:29,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:16:29,907 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:16:29,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 23:16:29,908 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:29,908 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:16:29,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:16:29,909 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:16:29,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2023-12-02 23:16:31,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:31,510 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:16:31,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:31,796 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:16:31,797 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:16:31,808 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:16:31,834 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2023-12-02 23:16:31,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:31,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:16:31,841 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:16:31,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 23:16:31,842 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:31,842 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:16:31,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:16:31,843 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:16:31,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2023-12-02 23:16:33,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:33,425 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:16:33,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:33,733 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:16:33,734 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:16:33,744 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:16:33,770 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2023-12-02 23:16:33,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:33,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:16:33,781 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:16:33,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 23:16:33,781 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:33,782 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:16:33,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:16:33,782 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:16:33,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2023-12-02 23:16:35,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:35,379 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:16:35,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:35,695 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:16:35,697 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:16:35,707 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:16:35,735 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Forceful destruction successful, exit code 0 [2023-12-02 23:16:35,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:35,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:16:35,742 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:16:35,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 23:16:35,743 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:35,743 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:16:35,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:16:35,744 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:16:35,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2023-12-02 23:16:37,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:37,327 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:16:37,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:37,667 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:16:37,668 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:16:37,680 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:16:37,707 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2023-12-02 23:16:37,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:37,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:16:37,715 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:16:37,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 23:16:37,716 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:37,716 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:16:37,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:16:37,717 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:16:37,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2023-12-02 23:16:39,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:39,461 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:16:39,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:39,784 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:16:39,785 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:16:39,797 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:16:39,825 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2023-12-02 23:16:39,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:39,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:16:39,837 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:16:39,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 23:16:39,838 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:39,838 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:16:39,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:16:39,839 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:16:39,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2023-12-02 23:16:41,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:41,580 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:16:41,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:41,869 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:16:41,871 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:16:41,880 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:16:41,907 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2023-12-02 23:16:41,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:41,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:16:41,936 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:16:41,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 23:16:41,937 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:41,937 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:16:41,937 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:16:41,938 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:16:41,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2023-12-02 23:16:43,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:43,611 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:16:43,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:43,928 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:16:43,930 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:16:43,940 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:16:43,969 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2023-12-02 23:16:43,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:43,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:16:43,977 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:16:43,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 23:16:43,977 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:43,977 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:16:43,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:16:43,978 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:16:43,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2023-12-02 23:16:45,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:45,824 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:16:46,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:46,129 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:16:46,130 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:16:46,142 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:16:46,172 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Forceful destruction successful, exit code 0 [2023-12-02 23:16:46,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:46,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:16:46,184 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:16:46,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 23:16:46,184 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:46,185 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:16:46,185 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:16:46,186 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:16:46,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2023-12-02 23:16:48,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:48,116 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:16:48,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:48,416 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:16:48,418 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:16:48,429 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:16:48,459 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2023-12-02 23:16:48,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:48,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:16:48,466 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:16:48,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 23:16:48,467 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:48,467 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:16:48,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:16:48,468 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:16:48,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2023-12-02 23:16:50,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:50,426 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:16:50,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:50,745 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:16:50,746 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:16:50,757 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:16:50,791 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2023-12-02 23:16:50,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:50,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:16:50,799 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:16:50,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 23:16:50,799 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:50,800 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:16:50,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:16:50,801 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:16:50,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2023-12-02 23:16:52,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:52,734 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:16:53,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:53,022 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:16:53,024 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:16:53,034 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:16:53,071 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2023-12-02 23:16:53,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:53,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:16:53,078 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:16:53,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 23:16:53,079 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:53,079 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:16:53,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:16:53,080 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:16:53,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2023-12-02 23:16:55,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:55,057 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:16:55,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:55,342 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:16:55,343 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:16:55,353 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:16:55,389 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Ended with exit code 0 [2023-12-02 23:16:55,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:55,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:16:55,397 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:16:55,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 23:16:55,397 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:55,397 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:16:55,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:16:55,398 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:16:55,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2023-12-02 23:16:57,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:57,394 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:16:57,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:57,702 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:16:57,703 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:16:57,713 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:16:57,746 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Forceful destruction successful, exit code 0 [2023-12-02 23:16:57,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:57,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:16:57,754 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:16:57,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 23:16:57,754 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:57,754 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:16:57,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:16:57,755 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:16:57,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2023-12-02 23:16:59,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:59,734 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:17:00,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:00,030 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:17:00,032 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:17:00,041 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:17:00,074 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Ended with exit code 0 [2023-12-02 23:17:00,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:17:00,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:17:00,083 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:17:00,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 23:17:00,084 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:17:00,084 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:17:00,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:17:00,085 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:17:00,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2023-12-02 23:17:01,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:01,985 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:17:02,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:02,280 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:17:02,281 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:17:02,291 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:17:02,324 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Ended with exit code 0 [2023-12-02 23:17:02,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:17:02,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:17:02,331 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:17:02,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 23:17:02,332 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:17:02,332 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:17:02,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:17:02,333 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:17:02,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2023-12-02 23:17:04,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:04,452 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:17:04,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:04,747 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:17:04,749 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:17:04,760 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:17:04,797 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Forceful destruction successful, exit code 0 [2023-12-02 23:17:04,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:17:04,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:17:04,804 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:17:04,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 23:17:04,804 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:17:04,804 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:17:04,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:17:04,805 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:17:04,806 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2023-12-02 23:17:07,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:07,094 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:17:07,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:07,419 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:17:07,420 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:17:07,431 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:17:07,467 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Ended with exit code 0 [2023-12-02 23:17:07,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:17:07,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:17:07,474 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:17:07,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 23:17:07,475 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:17:07,475 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:17:07,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:17:07,477 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:17:07,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2023-12-02 23:17:09,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:09,836 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:17:10,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:10,151 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:17:10,152 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:17:10,162 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:17:10,200 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Ended with exit code 0 [2023-12-02 23:17:10,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:17:10,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:17:10,208 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:17:10,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 23:17:10,208 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:17:10,208 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:17:10,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:17:10,209 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:17:10,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2023-12-02 23:17:12,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:12,547 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:17:12,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:12,816 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:17:12,818 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:17:12,827 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:17:12,849 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Ended with exit code 0 [2023-12-02 23:17:12,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:17:12,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:17:12,856 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:17:12,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 23:17:12,857 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:17:12,857 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:17:12,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:17:12,858 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:17:12,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (60)] Waiting until timeout for monitored process [2023-12-02 23:17:15,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:15,249 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:17:15,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:15,557 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:17:15,558 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:17:15,567 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:17:15,589 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (60)] Forceful destruction successful, exit code 0 [2023-12-02 23:17:15,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:17:15,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:17:15,597 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:17:15,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 23:17:15,597 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:17:15,597 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:17:15,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:17:15,598 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:17:15,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2023-12-02 23:17:17,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:17,821 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:17:18,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:18,102 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:17:18,104 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:17:18,114 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:17:18,136 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (61)] Ended with exit code 0 [2023-12-02 23:17:18,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:17:18,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:17:18,144 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:17:18,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 23:17:18,144 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:17:18,144 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:17:18,144 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:17:18,145 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:17:18,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (62)] Waiting until timeout for monitored process [2023-12-02 23:17:20,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:20,367 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:17:20,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:20,657 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:17:20,658 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:17:20,668 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:17:20,691 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (62)] Ended with exit code 0 [2023-12-02 23:17:20,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:17:20,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:17:20,698 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:17:20,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 23:17:20,698 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:17:20,698 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:17:20,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:17:20,700 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:17:20,701 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (63)] Waiting until timeout for monitored process [2023-12-02 23:17:23,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:23,173 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:17:23,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:23,482 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:17:23,484 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:17:23,493 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:17:23,515 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (63)] Ended with exit code 0 [2023-12-02 23:17:23,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:17:23,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:17:23,522 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:17:23,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 23:17:23,523 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:17:23,523 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:17:23,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:17:23,524 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:17:23,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (64)] Waiting until timeout for monitored process [2023-12-02 23:17:25,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:25,819 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:17:26,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:26,120 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:17:26,121 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:17:26,132 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:17:26,155 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (64)] Ended with exit code 0 [2023-12-02 23:17:26,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:17:26,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:17:26,162 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:17:26,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 23:17:26,163 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:17:26,163 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:17:26,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:17:26,164 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:17:26,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (65)] Waiting until timeout for monitored process [2023-12-02 23:17:28,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:28,746 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:17:29,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:29,056 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:17:29,058 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:17:29,068 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:17:29,093 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (65)] Ended with exit code 0 [2023-12-02 23:17:29,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:17:29,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:17:29,100 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:17:29,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 23:17:29,100 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:17:29,100 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:17:29,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:17:29,101 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:17:29,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (66)] Waiting until timeout for monitored process [2023-12-02 23:17:31,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:31,802 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:17:32,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:32,133 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:17:32,134 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:17:32,145 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:17:32,169 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (66)] Forceful destruction successful, exit code 0 [2023-12-02 23:17:32,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:17:32,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:17:32,177 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:17:32,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 23:17:32,177 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:17:32,177 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:17:32,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:17:32,178 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:17:32,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (67)] Waiting until timeout for monitored process [2023-12-02 23:17:34,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:34,747 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:17:35,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:35,061 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:17:35,062 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:17:35,072 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:17:35,095 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (67)] Ended with exit code 0 [2023-12-02 23:17:35,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:17:35,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:17:35,105 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:17:35,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 23:17:35,105 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:17:35,105 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:17:35,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:17:35,106 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:17:35,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (68)] Waiting until timeout for monitored process [2023-12-02 23:17:38,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:38,003 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:17:38,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:38,299 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:17:38,300 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:17:38,310 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:17:38,335 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (68)] Ended with exit code 0 [2023-12-02 23:17:38,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:17:38,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:17:38,342 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:17:38,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 23:17:38,343 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:17:38,343 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:17:38,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:17:38,344 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:17:38,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (69)] Waiting until timeout for monitored process [2023-12-02 23:17:40,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:40,875 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:17:41,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:41,182 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:17:41,183 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:17:41,194 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:17:41,220 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (69)] Ended with exit code 0 [2023-12-02 23:17:41,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:17:41,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:17:41,227 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:17:41,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 23:17:41,227 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:17:41,227 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:17:41,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:17:41,228 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:17:41,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (70)] Waiting until timeout for monitored process [2023-12-02 23:17:43,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:43,977 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:17:44,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:44,280 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:17:44,281 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:17:44,291 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:17:44,316 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (70)] Ended with exit code 0 [2023-12-02 23:17:44,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:17:44,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:17:44,323 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:17:44,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 23:17:44,323 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:17:44,323 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:17:44,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:17:44,324 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:17:44,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (71)] Waiting until timeout for monitored process [2023-12-02 23:17:47,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:47,125 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:17:47,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:47,407 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:17:47,409 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:17:47,417 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:17:47,442 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (71)] Ended with exit code 0 [2023-12-02 23:17:47,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:17:47,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:17:47,449 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:17:47,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 23:17:47,449 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:17:47,449 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:17:47,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:17:47,450 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:17:47,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (72)] Waiting until timeout for monitored process [2023-12-02 23:17:50,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:50,050 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:17:50,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:50,351 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:17:50,353 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:17:50,363 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:17:50,389 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (72)] Ended with exit code 0 [2023-12-02 23:17:50,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:17:50,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:17:50,397 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:17:50,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 23:17:50,397 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:17:50,397 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:17:50,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:17:50,398 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:17:50,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (73)] Waiting until timeout for monitored process [2023-12-02 23:17:53,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:53,237 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:17:53,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:53,532 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:17:53,534 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:17:53,543 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:17:53,569 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (73)] Ended with exit code 0 [2023-12-02 23:17:53,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:17:53,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:17:53,576 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:17:53,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 23:17:53,577 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:17:53,577 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:17:53,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:17:53,578 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:17:53,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (74)] Waiting until timeout for monitored process [2023-12-02 23:17:56,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:56,566 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:17:56,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:56,893 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:17:56,895 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:17:56,904 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:17:56,930 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (74)] Forceful destruction successful, exit code 0 [2023-12-02 23:17:56,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:17:56,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:17:56,938 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:17:56,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 23:17:56,938 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:17:56,938 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:17:56,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:17:56,954 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:17:56,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (75)] Waiting until timeout for monitored process [2023-12-02 23:17:59,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:17:59,956 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:18:00,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:18:00,269 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:18:00,271 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:18:00,280 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:18:00,307 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (75)] Ended with exit code 0 [2023-12-02 23:18:00,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:18:00,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:18:00,315 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:18:00,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 23:18:00,315 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:18:00,315 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:18:00,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:18:00,316 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:18:00,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (76)] Waiting until timeout for monitored process [2023-12-02 23:18:03,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:18:03,255 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:18:03,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:18:03,571 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:18:03,573 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:18:03,582 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:18:03,610 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (76)] Ended with exit code 0 [2023-12-02 23:18:03,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:18:03,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:18:03,617 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:18:03,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 23:18:03,617 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:18:03,617 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:18:03,618 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:18:03,618 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:18:03,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (77)] Waiting until timeout for monitored process [2023-12-02 23:18:06,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:18:06,506 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:18:06,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:18:06,790 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:18:06,792 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:18:06,801 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:18:06,829 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (77)] Forceful destruction successful, exit code 0 [2023-12-02 23:18:06,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:18:06,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:18:06,835 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:18:06,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 23:18:06,836 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:18:06,836 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:18:06,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:18:06,837 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:18:06,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (78)] Waiting until timeout for monitored process [2023-12-02 23:18:09,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:18:09,782 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:18:10,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:18:10,059 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:18:10,061 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:18:10,070 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:18:10,098 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (78)] Ended with exit code 0 [2023-12-02 23:18:10,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:18:10,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:18:10,105 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:18:10,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 23:18:10,105 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:18:10,105 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:18:10,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:18:10,106 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:18:10,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (79)] Waiting until timeout for monitored process [2023-12-02 23:18:13,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:18:13,143 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:18:13,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:18:13,440 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:18:13,442 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:18:13,451 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:18:13,479 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (79)] Ended with exit code 0 [2023-12-02 23:18:13,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:18:13,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:18:13,486 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:18:13,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 23:18:13,486 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:18:13,486 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:18:13,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:18:13,487 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:18:13,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (80)] Waiting until timeout for monitored process [2023-12-02 23:18:16,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:18:16,543 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:18:16,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:18:16,860 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:18:16,861 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:18:16,870 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:18:16,900 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (80)] Ended with exit code 0 [2023-12-02 23:18:16,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:18:16,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:18:16,907 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:18:16,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 23:18:16,908 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:18:16,908 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:18:16,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:18:16,909 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:18:16,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (81)] Waiting until timeout for monitored process [2023-12-02 23:18:20,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:18:20,085 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:18:20,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:18:20,399 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:18:20,400 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:18:20,411 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:18:20,440 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (81)] Ended with exit code 0 [2023-12-02 23:18:20,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:18:20,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:18:20,447 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:18:20,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 23:18:20,447 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:18:20,448 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:18:20,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:18:20,449 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:18:20,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (82)] Waiting until timeout for monitored process [2023-12-02 23:18:23,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:18:23,431 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:18:23,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:18:23,727 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:18:23,728 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:18:23,738 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:18:23,767 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (82)] Ended with exit code 0 [2023-12-02 23:18:23,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:18:23,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:18:23,774 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:18:23,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 23:18:23,775 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:18:23,775 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:18:23,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:18:23,776 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:18:23,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (83)] Waiting until timeout for monitored process [2023-12-02 23:18:27,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:18:27,026 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:18:27,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:18:27,332 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:18:27,334 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:18:27,343 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:18:27,373 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (83)] Ended with exit code 0 [2023-12-02 23:18:27,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:18:27,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:18:27,381 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:18:27,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 23:18:27,382 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:18:27,382 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:18:27,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:18:27,384 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:18:27,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (84)] Waiting until timeout for monitored process [2023-12-02 23:18:30,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:18:30,990 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:18:31,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:18:31,304 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:18:31,305 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:18:31,314 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:18:31,345 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (84)] Ended with exit code 0 [2023-12-02 23:18:31,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:18:31,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:18:31,352 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:18:31,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 23:18:31,352 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:18:31,352 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:18:31,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:18:31,353 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:18:31,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (85)] Waiting until timeout for monitored process [2023-12-02 23:18:34,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:18:34,715 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:18:35,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:18:35,044 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:18:35,045 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:18:35,055 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:18:35,086 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (85)] Ended with exit code 0 [2023-12-02 23:18:35,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:18:35,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:18:35,093 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:18:35,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 23:18:35,093 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:18:35,093 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:18:35,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:18:35,094 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:18:35,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (86)] Waiting until timeout for monitored process [2023-12-02 23:18:38,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:18:38,548 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:18:38,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:18:38,862 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:18:38,864 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:18:38,873 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:18:38,904 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (86)] Ended with exit code 0 [2023-12-02 23:18:38,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:18:38,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:18:38,911 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:18:38,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 23:18:38,912 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:18:38,912 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:18:38,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:18:38,913 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:18:38,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (87)] Waiting until timeout for monitored process [2023-12-02 23:18:41,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:18:41,788 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:18:42,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:18:42,093 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:18:42,095 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:18:42,105 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:18:42,138 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (87)] Forceful destruction successful, exit code 0 [2023-12-02 23:18:42,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:18:42,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:18:42,145 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:18:42,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 23:18:42,145 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:18:42,145 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:18:42,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:18:42,146 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:18:42,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (88)] Waiting until timeout for monitored process [2023-12-02 23:18:45,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:18:45,405 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:18:45,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:18:45,724 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:18:45,726 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:18:45,736 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:18:45,768 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (88)] Ended with exit code 0 [2023-12-02 23:18:45,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:18:45,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:18:45,776 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:18:45,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 23:18:45,776 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:18:45,776 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:18:45,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:18:45,777 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:18:45,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (89)] Waiting until timeout for monitored process [2023-12-02 23:18:49,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:18:49,252 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:18:49,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:18:49,575 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:18:49,577 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:18:49,587 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:18:49,619 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (89)] Ended with exit code 0 [2023-12-02 23:18:49,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:18:49,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:18:49,627 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:18:49,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 23:18:49,628 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:18:49,628 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:18:49,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:18:49,629 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:18:49,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (90)] Waiting until timeout for monitored process [2023-12-02 23:18:53,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:18:53,011 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:18:53,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:18:53,318 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:18:53,320 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:18:53,330 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:18:53,362 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (90)] Ended with exit code 0 [2023-12-02 23:18:53,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:18:53,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:18:53,371 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:18:53,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 23:18:53,371 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:18:53,371 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:18:53,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:18:53,372 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:18:53,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (91)] Waiting until timeout for monitored process [2023-12-02 23:18:56,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:18:56,724 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:18:56,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:18:57,015 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:18:57,016 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:18:57,026 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:18:57,059 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (91)] Ended with exit code 0 [2023-12-02 23:18:57,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:18:57,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:18:57,066 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:18:57,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 23:18:57,066 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:18:57,067 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:18:57,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:18:57,068 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:18:57,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (92)] Waiting until timeout for monitored process [2023-12-02 23:19:00,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:19:00,910 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:19:01,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:19:01,233 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:19:01,235 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:19:01,245 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:19:01,278 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (92)] Ended with exit code 0 [2023-12-02 23:19:01,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:19:01,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:19:01,286 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:19:01,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 23:19:01,286 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:19:01,286 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:19:01,286 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:19:01,287 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:19:01,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (93)] Waiting until timeout for monitored process [2023-12-02 23:19:04,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:19:04,723 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:19:05,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:19:05,059 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:19:05,061 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:19:05,071 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:19:05,104 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (93)] Ended with exit code 0 [2023-12-02 23:19:05,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:19:05,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:19:05,112 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:19:05,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 23:19:05,112 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:19:05,112 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:19:05,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:19:05,113 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:19:05,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (94)] Waiting until timeout for monitored process [2023-12-02 23:19:08,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:19:08,901 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:19:09,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:19:09,206 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:19:09,208 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:19:09,218 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:19:09,252 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (94)] Ended with exit code 0 [2023-12-02 23:19:09,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:19:09,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:19:09,259 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:19:09,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 23:19:09,260 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:19:09,260 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:19:09,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:19:09,261 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:19:09,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (95)] Waiting until timeout for monitored process [2023-12-02 23:19:12,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:19:12,882 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:19:13,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:19:13,158 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:19:13,160 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:19:13,169 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:19:13,202 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (95)] Ended with exit code 0 [2023-12-02 23:19:13,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:19:13,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:19:13,209 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:19:13,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 23:19:13,210 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:19:13,210 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:19:13,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:19:13,211 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:19:13,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (96)] Waiting until timeout for monitored process [2023-12-02 23:19:16,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:19:16,700 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:19:17,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:19:17,032 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:19:17,034 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:19:17,044 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:19:17,080 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (96)] Ended with exit code 0 [2023-12-02 23:19:17,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:19:17,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:19:17,088 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:19:17,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 23:19:17,088 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:19:17,088 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:19:17,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:19:17,089 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:19:17,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (97)] Waiting until timeout for monitored process [2023-12-02 23:19:21,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:19:21,387 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:19:21,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:19:21,695 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:19:21,696 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:19:21,706 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:19:21,741 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (97)] Ended with exit code 0 [2023-12-02 23:19:21,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:19:21,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:19:21,748 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:19:21,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 23:19:21,749 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:19:21,749 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:19:21,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:19:21,750 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:19:21,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (98)] Waiting until timeout for monitored process [2023-12-02 23:19:25,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:19:25,376 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:19:25,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:19:25,704 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:19:25,705 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:19:25,715 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:19:25,751 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (98)] Ended with exit code 0 [2023-12-02 23:19:25,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:19:25,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:19:25,758 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:19:25,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 23:19:25,759 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:19:25,759 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:19:25,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:19:25,760 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:19:25,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (99)] Waiting until timeout for monitored process [2023-12-02 23:19:29,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:19:29,700 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:19:29,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:19:30,015 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:19:30,016 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:19:30,026 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:19:30,061 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (99)] Ended with exit code 0 [2023-12-02 23:19:30,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:19:30,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:19:30,069 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:19:30,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 23:19:30,069 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:19:30,069 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:19:30,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:19:30,070 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:19:30,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (100)] Waiting until timeout for monitored process [2023-12-02 23:19:34,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:19:34,248 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:19:34,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:19:34,546 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:19:34,547 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:19:34,558 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:19:34,599 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (100)] Ended with exit code 0 [2023-12-02 23:19:34,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:19:34,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:19:34,606 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:19:34,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 23:19:34,606 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:19:34,607 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:19:34,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:19:34,607 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:19:34,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (101)] Waiting until timeout for monitored process [2023-12-02 23:19:38,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:19:38,585 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:19:38,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:19:38,906 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:19:38,907 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:19:38,917 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:19:38,954 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (101)] Ended with exit code 0 [2023-12-02 23:19:38,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:19:38,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:19:38,961 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:19:38,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 23:19:38,961 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:19:38,962 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:19:38,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:19:38,963 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:19:38,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (102)] Waiting until timeout for monitored process [2023-12-02 23:19:42,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:19:42,845 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:19:43,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:19:43,166 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:19:43,167 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:19:43,177 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:19:43,215 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (102)] Ended with exit code 0 [2023-12-02 23:19:43,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:19:43,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:19:43,223 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:19:43,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 23:19:43,223 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:19:43,223 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:19:43,223 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:19:43,224 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:19:43,225 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (103)] Waiting until timeout for monitored process [2023-12-02 23:19:47,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:19:47,092 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:19:47,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:19:47,398 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:19:47,400 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:19:47,411 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:19:47,450 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (103)] Ended with exit code 0 [2023-12-02 23:19:47,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:19:47,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:19:47,459 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:19:47,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 23:19:47,459 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:19:47,459 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:19:47,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:19:47,460 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:19:47,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (104)] Waiting until timeout for monitored process [2023-12-02 23:19:51,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:19:51,374 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:19:51,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:19:51,667 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:19:51,668 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:19:51,677 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:19:51,714 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (104)] Ended with exit code 0 [2023-12-02 23:19:51,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:19:51,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:19:51,721 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:19:51,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 23:19:51,721 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:19:51,721 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:19:51,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:19:51,722 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:19:51,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (105)] Waiting until timeout for monitored process [2023-12-02 23:19:55,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:19:55,873 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:19:56,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:19:56,215 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:19:56,216 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:19:56,226 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:19:56,264 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (105)] Ended with exit code 0 [2023-12-02 23:19:56,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:19:56,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:19:56,270 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:19:56,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 23:19:56,271 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:19:56,271 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:19:56,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:19:56,272 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:19:56,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (106)] Waiting until timeout for monitored process [2023-12-02 23:20:00,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:20:00,473 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:20:00,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:20:00,788 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:20:00,790 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:20:00,800 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:20:00,838 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (106)] Ended with exit code 0 [2023-12-02 23:20:00,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:20:00,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:20:00,846 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:20:00,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 23:20:00,846 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:20:00,846 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:20:00,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:20:00,847 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:20:00,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (107)] Waiting until timeout for monitored process [2023-12-02 23:20:05,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:20:05,064 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:20:05,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:20:05,381 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:20:05,382 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:20:05,391 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:20:05,431 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (107)] Ended with exit code 0 [2023-12-02 23:20:05,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:20:05,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:20:05,437 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:20:05,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 23:20:05,437 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:20:05,438 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:20:05,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:20:05,438 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:20:05,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (108)] Waiting until timeout for monitored process [2023-12-02 23:20:09,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:20:09,353 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:20:09,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:20:09,701 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:20:09,703 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:20:09,713 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:20:09,753 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (108)] Ended with exit code 0 [2023-12-02 23:20:09,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:20:09,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:20:09,759 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:20:09,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 23:20:09,760 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:20:09,760 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:20:09,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:20:09,761 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:20:09,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (109)] Waiting until timeout for monitored process [2023-12-02 23:20:14,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:20:14,122 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:20:14,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:20:14,424 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:20:14,426 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:20:14,436 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:20:14,476 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (109)] Ended with exit code 0 [2023-12-02 23:20:14,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:20:14,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:20:14,483 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:20:14,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 23:20:14,483 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:20:14,483 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:20:14,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:20:14,484 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:20:14,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (110)] Waiting until timeout for monitored process [2023-12-02 23:20:18,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:20:18,546 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:20:18,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:20:18,856 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:20:18,858 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:20:18,868 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:20:18,909 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (110)] Ended with exit code 0 [2023-12-02 23:20:18,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:20:18,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:20:18,915 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:20:18,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 23:20:18,915 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:20:18,916 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:20:18,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:20:18,916 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:20:18,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (111)] Waiting until timeout for monitored process [2023-12-02 23:20:23,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:20:23,212 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:20:23,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:20:23,507 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:20:23,508 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:20:23,519 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:20:23,561 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (111)] Ended with exit code 0 [2023-12-02 23:20:23,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:20:23,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:20:23,568 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:20:23,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 23:20:23,568 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:20:23,568 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:20:23,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:20:23,569 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:20:23,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (112)] Waiting until timeout for monitored process [2023-12-02 23:20:27,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:20:27,903 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:20:28,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:20:28,222 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:20:28,223 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:20:28,232 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:20:28,274 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (112)] Ended with exit code 0 [2023-12-02 23:20:28,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:20:28,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:20:28,280 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:20:28,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 23:20:28,281 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:20:28,281 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:20:28,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:20:28,282 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:20:28,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (113)] Waiting until timeout for monitored process [2023-12-02 23:20:32,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:20:32,916 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:20:33,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:20:33,208 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:20:33,209 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:20:33,219 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:20:33,262 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (113)] Ended with exit code 0 [2023-12-02 23:20:33,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:20:33,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:20:33,270 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:20:33,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 23:20:33,270 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:20:33,270 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:20:33,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:20:33,271 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:20:33,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (114)] Waiting until timeout for monitored process [2023-12-02 23:20:37,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:20:37,613 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:20:37,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:20:37,912 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:20:37,913 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:20:37,923 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:20:37,984 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (114)] Ended with exit code 0 [2023-12-02 23:20:37,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:20:37,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:20:37,993 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:20:37,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 23:20:37,993 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:20:37,994 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:20:37,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:20:37,994 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:20:37,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (115)] Waiting until timeout for monitored process [2023-12-02 23:20:42,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:20:42,351 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:20:42,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:20:42,645 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:20:42,646 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:20:42,654 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:20:42,698 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (115)] Ended with exit code 0 [2023-12-02 23:20:42,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:20:42,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:20:42,704 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:20:42,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 23:20:42,705 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:20:42,705 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:20:42,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:20:42,706 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:20:42,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (116)] Waiting until timeout for monitored process [2023-12-02 23:20:47,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:20:47,332 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:20:47,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:20:47,624 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:20:47,625 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:20:47,634 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:20:47,678 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (116)] Ended with exit code 0 [2023-12-02 23:20:47,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:20:47,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:20:47,684 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:20:47,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 23:20:47,685 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:20:47,685 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:20:47,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:20:47,686 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:20:47,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (117)] Waiting until timeout for monitored process [2023-12-02 23:20:51,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:20:51,706 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:20:51,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:20:51,995 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:20:51,996 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:20:52,005 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:20:52,048 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (117)] Ended with exit code 0 [2023-12-02 23:20:52,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:20:52,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:20:52,055 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:20:52,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 23:20:52,056 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:20:52,056 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:20:52,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:20:52,056 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:20:52,057 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (118)] Waiting until timeout for monitored process [2023-12-02 23:20:56,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:20:56,662 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:20:56,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:20:56,977 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:20:56,978 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:20:56,987 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:20:57,030 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (118)] Ended with exit code 0 [2023-12-02 23:20:57,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:20:57,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:20:57,037 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:20:57,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 23:20:57,037 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:20:57,037 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:20:57,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:20:57,038 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:20:57,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (119)] Waiting until timeout for monitored process [2023-12-02 23:21:01,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:21:01,841 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:21:02,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:21:02,140 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:21:02,141 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:21:02,150 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:21:02,194 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (119)] Forceful destruction successful, exit code 0 [2023-12-02 23:21:02,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:21:02,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:21:02,201 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:21:02,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 23:21:02,201 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:21:02,201 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:21:02,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:21:02,202 INFO L229 MonitoredProcess]: Starting monitored process 120 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:21:02,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (120)] Waiting until timeout for monitored process [2023-12-02 23:21:06,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:21:06,934 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:21:07,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:21:07,271 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:21:07,273 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:21:07,282 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:21:07,327 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (120)] Ended with exit code 0 [2023-12-02 23:21:07,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:21:07,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:21:07,335 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:21:07,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 23:21:07,335 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:21:07,335 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:21:07,335 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:21:07,336 INFO L229 MonitoredProcess]: Starting monitored process 121 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:21:07,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (121)] Waiting until timeout for monitored process [2023-12-02 23:21:11,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:21:11,728 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:21:12,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:21:12,037 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:21:12,038 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:21:12,047 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:21:12,092 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (121)] Ended with exit code 0 [2023-12-02 23:21:12,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:21:12,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:21:12,099 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:21:12,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 23:21:12,099 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:21:12,099 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:21:12,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:21:12,100 INFO L229 MonitoredProcess]: Starting monitored process 122 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:21:12,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (122)] Waiting until timeout for monitored process [2023-12-02 23:21:16,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:21:16,738 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:21:17,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:21:17,032 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:21:17,033 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:21:17,042 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:21:17,088 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (122)] Ended with exit code 0 [2023-12-02 23:21:17,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:21:17,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:21:17,094 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:21:17,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 23:21:17,094 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:21:17,094 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:21:17,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:21:17,095 INFO L229 MonitoredProcess]: Starting monitored process 123 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:21:17,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (123)] Waiting until timeout for monitored process [2023-12-02 23:21:22,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:21:22,033 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:21:22,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:21:22,330 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:21:22,331 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:21:22,341 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:21:22,385 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (123)] Ended with exit code 0 [2023-12-02 23:21:22,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:21:22,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:21:22,392 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:21:22,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 23:21:22,392 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:21:22,392 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:21:22,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:21:22,393 INFO L229 MonitoredProcess]: Starting monitored process 124 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:21:22,394 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (124)] Waiting until timeout for monitored process [2023-12-02 23:21:27,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:21:27,150 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:21:27,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:21:27,459 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:21:27,461 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:21:27,470 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:21:27,515 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (124)] Ended with exit code 0 [2023-12-02 23:21:27,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:21:27,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:21:27,521 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:21:27,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 23:21:27,521 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:21:27,521 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:21:27,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:21:27,522 INFO L229 MonitoredProcess]: Starting monitored process 125 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:21:27,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (125)] Waiting until timeout for monitored process [2023-12-02 23:21:32,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:21:32,346 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:21:32,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:21:32,683 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:21:32,684 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:21:32,694 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:21:32,740 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (125)] Forceful destruction successful, exit code 0 [2023-12-02 23:21:32,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:21:32,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:21:32,747 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:21:32,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 23:21:32,747 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:21:32,747 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:21:32,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:21:32,748 INFO L229 MonitoredProcess]: Starting monitored process 126 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:21:32,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (126)] Waiting until timeout for monitored process [2023-12-02 23:21:37,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:21:37,766 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:21:38,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:21:38,094 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:21:38,095 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:21:38,105 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:21:38,152 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (126)] Ended with exit code 0 [2023-12-02 23:21:38,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:21:38,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:21:38,159 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:21:38,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 23:21:38,159 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:21:38,159 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:21:38,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:21:38,160 INFO L229 MonitoredProcess]: Starting monitored process 127 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:21:38,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (127)] Waiting until timeout for monitored process [2023-12-02 23:21:42,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:21:42,957 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:21:43,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:21:43,257 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:21:43,258 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:21:43,266 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:21:43,311 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (127)] Ended with exit code 0 [2023-12-02 23:21:43,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:21:43,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:21:43,318 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:21:43,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 23:21:43,318 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:21:43,318 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:21:43,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:21:43,319 INFO L229 MonitoredProcess]: Starting monitored process 128 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:21:43,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (128)] Waiting until timeout for monitored process [2023-12-02 23:21:47,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:21:47,939 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:21:48,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:21:48,227 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:21:48,228 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:21:48,238 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:21:48,285 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (128)] Ended with exit code 0 [2023-12-02 23:21:48,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:21:48,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:21:48,291 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:21:48,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 23:21:48,292 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:21:48,292 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:21:48,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:21:48,293 INFO L229 MonitoredProcess]: Starting monitored process 129 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:21:48,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (129)] Waiting until timeout for monitored process [2023-12-02 23:21:53,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:21:53,170 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:21:53,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:21:53,477 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:21:53,478 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:21:53,487 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:21:53,535 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (129)] Ended with exit code 0 [2023-12-02 23:21:53,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:21:53,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:21:53,543 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:21:53,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 23:21:53,543 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:21:53,543 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:21:53,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:21:53,544 INFO L229 MonitoredProcess]: Starting monitored process 130 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:21:53,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (130)] Waiting until timeout for monitored process [2023-12-02 23:21:58,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:21:58,161 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:21:58,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:21:58,500 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:21:58,501 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:21:58,512 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:21:58,560 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (130)] Ended with exit code 0 [2023-12-02 23:21:58,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:21:58,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:21:58,567 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:21:58,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 23:21:58,567 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:21:58,567 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:21:58,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:21:58,568 INFO L229 MonitoredProcess]: Starting monitored process 131 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:21:58,569 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (131)] Waiting until timeout for monitored process [2023-12-02 23:22:03,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:22:03,502 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:22:03,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:22:03,795 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:22:03,796 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:22:03,806 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:22:03,853 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (131)] Ended with exit code 0 [2023-12-02 23:22:03,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:22:03,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:22:03,860 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:22:03,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 23:22:03,860 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:22:03,860 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:22:03,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:22:03,861 INFO L229 MonitoredProcess]: Starting monitored process 132 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:22:03,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (132)] Waiting until timeout for monitored process [2023-12-02 23:22:09,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:22:09,122 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:22:09,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:22:09,454 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:22:09,455 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:22:09,466 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:22:09,520 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (132)] Ended with exit code 0 [2023-12-02 23:22:09,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:22:09,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:22:09,528 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:22:09,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 23:22:09,528 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:22:09,529 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:22:09,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:22:09,529 INFO L229 MonitoredProcess]: Starting monitored process 133 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:22:09,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (133)] Waiting until timeout for monitored process [2023-12-02 23:22:14,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:22:14,550 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:22:14,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:22:14,869 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:22:14,870 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:22:14,880 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:22:14,929 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (133)] Ended with exit code 0 [2023-12-02 23:22:14,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:22:14,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:22:14,936 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:22:14,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 23:22:14,936 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:22:14,936 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:22:14,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:22:14,937 INFO L229 MonitoredProcess]: Starting monitored process 134 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:22:14,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (134)] Waiting until timeout for monitored process [2023-12-02 23:22:20,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:22:20,111 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:22:20,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:22:20,401 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:22:20,402 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:22:20,411 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:22:20,460 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (134)] Ended with exit code 0 [2023-12-02 23:22:20,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:22:20,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:22:20,466 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:22:20,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 23:22:20,466 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:22:20,467 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:22:20,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:22:20,467 INFO L229 MonitoredProcess]: Starting monitored process 135 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:22:20,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (135)] Waiting until timeout for monitored process [2023-12-02 23:22:25,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:22:25,614 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:22:25,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:22:25,916 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:22:25,917 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:22:25,927 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:22:25,976 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (135)] Ended with exit code 0 [2023-12-02 23:22:25,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:22:25,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:22:25,983 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:22:25,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 23:22:25,983 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:22:25,983 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:22:25,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:22:25,984 INFO L229 MonitoredProcess]: Starting monitored process 136 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:22:25,985 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (136)] Waiting until timeout for monitored process [2023-12-02 23:22:31,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:22:31,011 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:22:31,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:22:31,316 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:22:31,318 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:22:31,328 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:22:31,378 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (136)] Ended with exit code 0 [2023-12-02 23:22:31,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:22:31,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:22:31,389 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:22:31,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 23:22:31,389 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:22:31,390 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:22:31,390 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:22:31,390 INFO L229 MonitoredProcess]: Starting monitored process 137 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:22:31,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (137)] Waiting until timeout for monitored process [2023-12-02 23:22:36,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:22:36,709 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:22:36,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:22:37,007 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:22:37,009 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:22:37,019 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:22:37,070 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (137)] Ended with exit code 0 [2023-12-02 23:22:37,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:22:37,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:22:37,076 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:22:37,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 23:22:37,077 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:22:37,077 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:22:37,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:22:37,078 INFO L229 MonitoredProcess]: Starting monitored process 138 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:22:37,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (138)] Waiting until timeout for monitored process [2023-12-02 23:22:42,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:22:42,457 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:22:42,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:22:42,777 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:22:42,778 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:22:42,786 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:22:42,838 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (138)] Ended with exit code 0 [2023-12-02 23:22:42,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:22:42,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:22:42,845 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:22:42,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 23:22:42,845 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:22:42,845 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:22:42,845 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:22:42,846 INFO L229 MonitoredProcess]: Starting monitored process 139 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:22:42,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (139)] Waiting until timeout for monitored process [2023-12-02 23:22:47,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:22:47,987 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:22:48,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:22:48,262 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:22:48,263 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:22:48,272 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:22:48,323 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (139)] Ended with exit code 0 [2023-12-02 23:22:48,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:22:48,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:22:48,330 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:22:48,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 23:22:48,331 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:22:48,331 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:22:48,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:22:48,332 INFO L229 MonitoredProcess]: Starting monitored process 140 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:22:48,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (140)] Waiting until timeout for monitored process [2023-12-02 23:22:53,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:22:53,380 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:22:53,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:22:53,670 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:22:53,672 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:22:53,680 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:22:53,731 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (140)] Ended with exit code 0 [2023-12-02 23:22:53,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:22:53,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:22:53,737 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:22:53,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 23:22:53,737 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:22:53,738 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:22:53,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:22:53,738 INFO L229 MonitoredProcess]: Starting monitored process 141 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:22:53,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (141)] Waiting until timeout for monitored process [2023-12-02 23:22:58,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:22:58,798 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:22:59,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:22:59,113 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:22:59,115 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:22:59,124 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:22:59,177 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (141)] Ended with exit code 0 [2023-12-02 23:22:59,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:22:59,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:22:59,184 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:22:59,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 23:22:59,184 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:22:59,184 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:22:59,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:22:59,185 INFO L229 MonitoredProcess]: Starting monitored process 142 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:22:59,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (142)] Waiting until timeout for monitored process [2023-12-02 23:23:04,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:23:04,721 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:23:05,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:23:05,046 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:23:05,047 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:23:05,056 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:23:05,111 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (142)] Ended with exit code 0 [2023-12-02 23:23:05,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:23:05,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:23:05,117 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:23:05,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 23:23:05,118 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:23:05,118 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:23:05,118 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:23:05,119 INFO L229 MonitoredProcess]: Starting monitored process 143 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:23:05,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (143)] Waiting until timeout for monitored process [2023-12-02 23:23:10,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:23:10,502 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:23:10,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:23:10,810 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:23:10,812 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:23:10,821 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:23:10,875 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (143)] Ended with exit code 0 [2023-12-02 23:23:10,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:23:10,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:23:10,881 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:23:10,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 23:23:10,881 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:23:10,881 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:23:10,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:23:10,882 INFO L229 MonitoredProcess]: Starting monitored process 144 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:23:10,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (144)] Waiting until timeout for monitored process [2023-12-02 23:23:16,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:23:16,630 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:23:16,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:23:16,931 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:23:16,932 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:23:16,943 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:23:16,996 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (144)] Ended with exit code 0 [2023-12-02 23:23:17,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:23:17,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:23:17,003 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:23:17,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 23:23:17,004 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:23:17,004 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:23:17,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:23:17,005 INFO L229 MonitoredProcess]: Starting monitored process 145 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:23:17,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (145)] Waiting until timeout for monitored process [2023-12-02 23:23:22,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:23:22,907 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:23:23,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:23:23,215 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:23:23,216 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:23:23,226 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:23:23,280 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (145)] Ended with exit code 0 [2023-12-02 23:23:23,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:23:23,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:23:23,287 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:23:23,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 23:23:23,287 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:23:23,287 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:23:23,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:23:23,288 INFO L229 MonitoredProcess]: Starting monitored process 146 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:23:23,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (146)] Waiting until timeout for monitored process [2023-12-02 23:23:28,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:23:28,681 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:23:28,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:23:29,020 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:23:29,021 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:23:29,031 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:23:29,086 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (146)] Ended with exit code 0 [2023-12-02 23:23:29,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:23:29,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:23:29,092 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:23:29,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 23:23:29,093 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:23:29,093 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:23:29,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:23:29,094 INFO L229 MonitoredProcess]: Starting monitored process 147 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:23:29,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (147)] Waiting until timeout for monitored process [2023-12-02 23:23:34,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:23:34,689 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:23:34,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:23:35,009 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:23:35,011 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:23:35,019 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:23:35,074 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (147)] Ended with exit code 0 [2023-12-02 23:23:35,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:23:35,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:23:35,081 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:23:35,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 23:23:35,081 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:23:35,081 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:23:35,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:23:35,082 INFO L229 MonitoredProcess]: Starting monitored process 148 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:23:35,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (148)] Waiting until timeout for monitored process [2023-12-02 23:23:40,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:23:40,996 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:23:41,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:23:41,313 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:23:41,315 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:23:41,325 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:23:41,404 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (148)] Ended with exit code 0 [2023-12-02 23:23:41,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:23:41,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:23:41,414 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:23:41,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 23:23:41,414 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:23:41,415 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:23:41,415 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:23:41,415 INFO L229 MonitoredProcess]: Starting monitored process 149 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:23:41,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (149)] Waiting until timeout for monitored process [2023-12-02 23:23:46,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:23:46,970 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:23:47,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:23:47,309 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:23:47,311 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:23:47,320 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:23:47,376 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (149)] Ended with exit code 0 [2023-12-02 23:23:47,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:23:47,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:23:47,382 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:23:47,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 23:23:47,382 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:23:47,383 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:23:47,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:23:47,383 INFO L229 MonitoredProcess]: Starting monitored process 150 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:23:47,384 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (150)] Waiting until timeout for monitored process [2023-12-02 23:23:53,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:23:53,022 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:23:53,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:23:53,351 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:23:53,352 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:23:53,361 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:23:53,415 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (150)] Ended with exit code 0 [2023-12-02 23:23:53,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:23:53,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:23:53,422 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:23:53,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 23:23:53,423 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:23:53,423 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:23:53,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:23:53,423 INFO L229 MonitoredProcess]: Starting monitored process 151 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:23:53,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (151)] Waiting until timeout for monitored process [2023-12-02 23:23:58,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:23:58,943 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:23:59,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:23:59,247 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:23:59,249 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:23:59,257 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:23:59,312 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (151)] Ended with exit code 0 [2023-12-02 23:23:59,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:23:59,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:23:59,319 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:23:59,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 23:23:59,319 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:23:59,319 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:23:59,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:23:59,320 INFO L229 MonitoredProcess]: Starting monitored process 152 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:23:59,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (152)] Waiting until timeout for monitored process [2023-12-02 23:24:05,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:24:05,019 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:24:05,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:24:05,333 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:24:05,334 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:24:05,343 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:24:05,400 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (152)] Ended with exit code 0 [2023-12-02 23:24:05,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:24:05,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:24:05,406 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:24:05,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 23:24:05,406 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:24:05,406 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:24:05,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:24:05,407 INFO L229 MonitoredProcess]: Starting monitored process 153 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:24:05,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (153)] Waiting until timeout for monitored process [2023-12-02 23:24:11,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:24:11,189 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:24:11,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:24:11,481 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:24:11,482 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:24:11,491 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:24:11,553 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (153)] Ended with exit code 0 [2023-12-02 23:24:11,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:24:11,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-02 23:24:11,559 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-02 23:24:11,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 23:24:11,560 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:24:11,560 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:24:11,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:24:11,561 INFO L229 MonitoredProcess]: Starting monitored process 154 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:24:11,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0019d1df-d711-4ca4-bd52-0f2933f08e99/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (154)] Waiting until timeout for monitored process