./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_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_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/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_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test3-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/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_67f038f1-e11c-4596-aef9-e6a512f7c302/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 f1f34940ecf685c2c1201858b264ccb53eb3034d3cb9952a1b49bb437c42dde1 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:03:36,907 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:03:36,974 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 00:03:36,978 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 00:03:36,979 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 00:03:37,003 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:03:37,004 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 00:03:37,004 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 00:03:37,005 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:03:37,006 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:03:37,006 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:03:37,007 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 00:03:37,007 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 00:03:37,008 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 00:03:37,008 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 00:03:37,009 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:03:37,009 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 00:03:37,010 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:03:37,010 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 00:03:37,011 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 00:03:37,012 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 00:03:37,012 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:03:37,013 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:03:37,013 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:03:37,014 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:03:37,014 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:03:37,015 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:03:37,015 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:03:37,016 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:03:37,016 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 00:03:37,016 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 00:03:37,017 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 00:03:37,017 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 00:03:37,017 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_67f038f1-e11c-4596-aef9-e6a512f7c302/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f1f34940ecf685c2c1201858b264ccb53eb3034d3cb9952a1b49bb437c42dde1 [2023-12-03 00:03:37,224 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:03:37,243 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:03:37,246 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:03:37,247 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:03:37,248 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:03:37,249 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test3-1.i [2023-12-03 00:03:39,907 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:03:40,181 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:03:40,181 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test3-1.i [2023-12-03 00:03:40,198 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/data/166980726/f5ecea7490ef4591969c052ac454b693/FLAG55117569d [2023-12-03 00:03:40,213 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/data/166980726/f5ecea7490ef4591969c052ac454b693 [2023-12-03 00:03:40,216 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:03:40,217 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:03:40,218 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:03:40,219 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:03:40,223 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:03:40,224 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:03:40" (1/1) ... [2023-12-03 00:03:40,225 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a6add19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:03:40, skipping insertion in model container [2023-12-03 00:03:40,225 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:03:40" (1/1) ... [2023-12-03 00:03:40,292 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:03:40,649 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_67f038f1-e11c-4596-aef9-e6a512f7c302/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test3-1.i[33021,33034] [2023-12-03 00:03:40,752 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_67f038f1-e11c-4596-aef9-e6a512f7c302/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test3-1.i[44590,44603] [2023-12-03 00:03:40,762 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:03:40,773 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:03:40,808 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_67f038f1-e11c-4596-aef9-e6a512f7c302/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test3-1.i[33021,33034] [2023-12-03 00:03:40,861 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_67f038f1-e11c-4596-aef9-e6a512f7c302/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test3-1.i[44590,44603] [2023-12-03 00:03:40,866 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:03:40,899 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:03:40,907 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:03:40,907 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:03:40 WrapperNode [2023-12-03 00:03:40,908 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:03:40,909 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:03:40,909 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:03:40,909 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:03:40,917 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:03:40" (1/1) ... [2023-12-03 00:03:40,951 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:03:40" (1/1) ... [2023-12-03 00:03:41,015 INFO L138 Inliner]: procedures = 177, calls = 285, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1359 [2023-12-03 00:03:41,015 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:03:41,016 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:03:41,016 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:03:41,016 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:03:41,026 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:03:40" (1/1) ... [2023-12-03 00:03:41,026 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:03:40" (1/1) ... [2023-12-03 00:03:41,038 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:03:40" (1/1) ... [2023-12-03 00:03:41,038 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:03:40" (1/1) ... [2023-12-03 00:03:41,140 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:03:40" (1/1) ... [2023-12-03 00:03:41,152 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:03:40" (1/1) ... [2023-12-03 00:03:41,157 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:03:40" (1/1) ... [2023-12-03 00:03:41,165 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:03:40" (1/1) ... [2023-12-03 00:03:41,174 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:03:41,175 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:03:41,175 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:03:41,175 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:03:41,176 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:03:40" (1/1) ... [2023-12-03 00:03:41,181 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:03:41,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:03:41,203 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:03:41,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:03:41,238 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 00:03:41,238 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 00:03:41,239 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 00:03:41,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 00:03:41,239 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-03 00:03:41,239 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-03 00:03:41,239 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 00:03:41,239 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:03:41,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-03 00:03:41,239 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 00:03:41,240 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-12-03 00:03:41,240 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-03 00:03:41,240 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 00:03:41,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 00:03:41,240 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:03:41,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:03:41,441 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:03:41,443 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:03:42,625 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:03:43,869 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 00:03:43,869 INFO L309 CfgBuilder]: Removed 63 assume(true) statements. [2023-12-03 00:03:43,871 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:03:43 BoogieIcfgContainer [2023-12-03 00:03:43,871 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 00:03:43,872 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 00:03:43,872 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 00:03:43,881 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 00:03:43,881 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:03:43" (1/1) ... [2023-12-03 00:03:43,890 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 00:03:43,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:03:43,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 131 states and 222 transitions. [2023-12-03 00:03:43,948 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 222 transitions. [2023-12-03 00:03:43,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-03 00:03:43,950 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:03:43,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:03:44,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:03:44,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:03:44,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:03:44,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 131 states and 217 transitions. [2023-12-03 00:03:44,123 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 217 transitions. [2023-12-03 00:03:44,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 00:03:44,127 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:03:44,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:03:44,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:03:44,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:03:44,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:03:44,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 133 states and 219 transitions. [2023-12-03 00:03:44,336 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 219 transitions. [2023-12-03 00:03:44,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 00:03:44,337 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:03:44,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:03:44,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:03:44,440 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:03:44,446 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:03:44,457 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:03:44,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:03:44,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 133 states and 217 transitions. [2023-12-03 00:03:44,466 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 217 transitions. [2023-12-03 00:03:44,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-03 00:03:44,468 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:03:44,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:03:44,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:03:44,568 INFO L262 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:03:44,571 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:03:44,574 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:03:44,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:03:44,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 133 states and 213 transitions. [2023-12-03 00:03:44,583 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 213 transitions. [2023-12-03 00:03:44,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-03 00:03:44,584 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:03:44,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:03:44,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:03:44,724 INFO L262 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:03:44,727 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:03:44,731 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:03:44,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:03:44,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 133 states and 207 transitions. [2023-12-03 00:03:44,740 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 207 transitions. [2023-12-03 00:03:44,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 00:03:44,742 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:03:44,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:03:44,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:03:44,907 INFO L262 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:03:44,911 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:03:44,915 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:03:46,980 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:03:47,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:03:47,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 133 states and 199 transitions. [2023-12-03 00:03:47,067 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 199 transitions. [2023-12-03 00:03:47,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-12-03 00:03:47,069 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:03:47,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:03:47,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:03:47,338 INFO L262 TraceCheckSpWp]: Trace formula consists of 367 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:03:47,342 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:03:47,425 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:03:57,599 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:04:07,623 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:04:17,649 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:04:27,678 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:04:27,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:04:27,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 146 states and 214 transitions. [2023-12-03 00:04:27,711 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 214 transitions. [2023-12-03 00:04:27,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-03 00:04:27,713 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:04:27,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:04:27,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:04:27,936 INFO L262 TraceCheckSpWp]: Trace formula consists of 367 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:04:27,939 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:04:27,943 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:04:27,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:04:27,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 146 states and 212 transitions. [2023-12-03 00:04:27,952 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 212 transitions. [2023-12-03 00:04:27,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-12-03 00:04:27,953 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:04:27,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:04:28,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:04:28,176 INFO L262 TraceCheckSpWp]: Trace formula consists of 381 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:04:28,179 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:04:28,182 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:04:38,198 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:04:38,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:04:38,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 146 states and 210 transitions. [2023-12-03 00:04:38,248 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 210 transitions. [2023-12-03 00:04:38,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-12-03 00:04:38,248 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:04:38,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:04:38,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:04:38,504 INFO L262 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:04:38,508 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:04:38,621 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:04:48,636 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:04:58,666 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:05:08,693 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:05:18,774 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:05:18,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:05:18,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 149 states and 212 transitions. [2023-12-03 00:05:18,901 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 212 transitions. [2023-12-03 00:05:18,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 00:05:18,902 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:05:18,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:05:19,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:05:19,172 INFO L262 TraceCheckSpWp]: Trace formula consists of 514 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:05:19,177 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:05:19,231 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 [2023-12-03 00:05:19,250 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 [2023-12-03 00:05:19,269 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:05:19,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:05:19,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 151 states and 215 transitions. [2023-12-03 00:05:19,323 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 215 transitions. [2023-12-03 00:05:19,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 00:05:19,324 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:05:19,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:05:19,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:05:19,601 INFO L262 TraceCheckSpWp]: Trace formula consists of 492 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:05:19,604 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:05:19,608 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:05:19,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:05:19,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 151 states and 211 transitions. [2023-12-03 00:05:19,617 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 211 transitions. [2023-12-03 00:05:19,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:05:19,618 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:05:19,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:05:19,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:05:19,889 INFO L262 TraceCheckSpWp]: Trace formula consists of 502 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:05:19,891 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:05:19,896 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:05:19,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:05:19,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 151 states and 209 transitions. [2023-12-03 00:05:19,905 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 209 transitions. [2023-12-03 00:05:19,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-12-03 00:05:19,906 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:05:19,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:05:20,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:05:20,163 INFO L262 TraceCheckSpWp]: Trace formula consists of 539 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:05:20,166 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:05:20,170 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:05:30,203 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:05:30,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:05:30,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 151 states and 207 transitions. [2023-12-03 00:05:30,240 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 207 transitions. [2023-12-03 00:05:30,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-03 00:05:30,241 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:05:30,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:05:30,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:05:30,531 INFO L262 TraceCheckSpWp]: Trace formula consists of 548 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:05:30,534 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:05:30,631 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 00:05:40,741 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:05:50,766 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:06:00,787 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:06:10,812 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:06:21,561 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:06:31,609 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:06:41,632 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:06:51,659 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:06:51,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:06:51,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 197 states and 266 transitions. [2023-12-03 00:06:51,697 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 266 transitions. [2023-12-03 00:06:51,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-12-03 00:06:51,698 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:06:51,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:06:51,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:06:51,962 INFO L262 TraceCheckSpWp]: Trace formula consists of 548 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:06:51,964 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:06:51,966 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:06:52,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:06:52,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 197 states and 262 transitions. [2023-12-03 00:06:52,009 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 262 transitions. [2023-12-03 00:06:52,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-12-03 00:06:52,010 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:06:52,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:06:52,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:06:52,302 INFO L262 TraceCheckSpWp]: Trace formula consists of 562 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:06:52,304 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:06:52,307 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:07:02,321 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:07:02,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:07:02,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 197 states and 260 transitions. [2023-12-03 00:07:02,350 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 260 transitions. [2023-12-03 00:07:02,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-03 00:07:02,351 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:07:02,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:07:02,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:07:02,661 INFO L262 TraceCheckSpWp]: Trace formula consists of 571 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:07:02,664 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:07:02,729 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:07:12,744 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:07:22,773 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:07:32,807 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:07:42,826 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:07:42,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:07:42,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 200 states and 262 transitions. [2023-12-03 00:07:42,853 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 262 transitions. [2023-12-03 00:07:42,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-03 00:07:42,854 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:07:42,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:07:43,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:07:43,149 INFO L262 TraceCheckSpWp]: Trace formula consists of 589 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:07:43,151 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:07:43,153 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 00:07:43,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:07:43,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 200 states and 260 transitions. [2023-12-03 00:07:43,238 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 260 transitions. [2023-12-03 00:07:43,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-03 00:07:43,239 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:07:43,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:07:43,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:07:43,540 INFO L262 TraceCheckSpWp]: Trace formula consists of 571 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:07:43,542 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:07:43,614 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:07:53,625 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:08:03,710 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:08:13,747 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:08:23,816 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:08:23,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:08:23,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 183 states and 239 transitions. [2023-12-03 00:08:23,853 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 239 transitions. [2023-12-03 00:08:23,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 00:08:23,854 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:08:23,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:08:34,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-03 00:08:34,104 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-03 00:08:34,107 INFO L158 Benchmark]: Toolchain (without parser) took 293889.97ms. Allocated memory was 155.2MB in the beginning and 262.1MB in the end (delta: 107.0MB). Free memory was 105.8MB in the beginning and 94.4MB in the end (delta: 11.5MB). Peak memory consumption was 121.6MB. Max. memory is 16.1GB. [2023-12-03 00:08:34,107 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 123.7MB. Free memory is still 68.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:08:34,108 INFO L158 Benchmark]: CACSL2BoogieTranslator took 689.60ms. Allocated memory is still 155.2MB. Free memory was 105.8MB in the beginning and 72.3MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2023-12-03 00:08:34,108 INFO L158 Benchmark]: Boogie Procedure Inliner took 106.59ms. Allocated memory is still 155.2MB. Free memory was 72.3MB in the beginning and 63.9MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-12-03 00:08:34,109 INFO L158 Benchmark]: Boogie Preprocessor took 158.01ms. Allocated memory is still 155.2MB. Free memory was 63.9MB in the beginning and 116.3MB in the end (delta: -52.3MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. [2023-12-03 00:08:34,110 INFO L158 Benchmark]: RCFGBuilder took 2696.35ms. Allocated memory was 155.2MB in the beginning and 207.6MB in the end (delta: 52.4MB). Free memory was 116.3MB in the beginning and 119.2MB in the end (delta: -3.0MB). Peak memory consumption was 112.1MB. Max. memory is 16.1GB. [2023-12-03 00:08:34,110 INFO L158 Benchmark]: CodeCheck took 290234.75ms. Allocated memory was 207.6MB in the beginning and 262.1MB in the end (delta: 54.5MB). Free memory was 119.2MB in the beginning and 94.4MB in the end (delta: 24.9MB). Peak memory consumption was 81.5MB. Max. memory is 16.1GB. [2023-12-03 00:08:34,113 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 0.20ms. Allocated memory is still 123.7MB. Free memory is still 68.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 689.60ms. Allocated memory is still 155.2MB. Free memory was 105.8MB in the beginning and 72.3MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 106.59ms. Allocated memory is still 155.2MB. Free memory was 72.3MB in the beginning and 63.9MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 158.01ms. Allocated memory is still 155.2MB. Free memory was 63.9MB in the beginning and 116.3MB in the end (delta: -52.3MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. * RCFGBuilder took 2696.35ms. Allocated memory was 155.2MB in the beginning and 207.6MB in the end (delta: 52.4MB). Free memory was 116.3MB in the beginning and 119.2MB in the end (delta: -3.0MB). Peak memory consumption was 112.1MB. Max. memory is 16.1GB. * CodeCheck took 290234.75ms. Allocated memory was 207.6MB in the beginning and 262.1MB in the end (delta: 54.5MB). Free memory was 119.2MB in the beginning and 94.4MB in the end (delta: 24.9MB). Peak memory consumption was 81.5MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 00:08:34,278 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/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_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/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_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test3-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/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_67f038f1-e11c-4596-aef9-e6a512f7c302/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 f1f34940ecf685c2c1201858b264ccb53eb3034d3cb9952a1b49bb437c42dde1 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:08:35,983 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:08:36,048 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-03 00:08:36,089 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:08:36,090 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 00:08:36,090 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 00:08:36,091 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:08:36,092 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:08:36,092 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:08:36,093 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 00:08:36,093 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 00:08:36,094 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 00:08:36,094 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:08:36,095 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 00:08:36,095 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:08:36,096 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 00:08:36,096 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 00:08:36,097 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 00:08:36,098 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 00:08:36,098 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 00:08:36,098 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 00:08:36,099 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:08:36,100 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:08:36,100 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:08:36,101 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:08:36,101 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 00:08:36,101 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 00:08:36,102 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:08:36,102 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:08:36,102 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:08:36,103 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:08:36,103 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 00:08:36,104 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 00:08:36,104 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 00:08:36,104 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 00:08:36,104 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 00:08:36,105 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 00:08:36,105 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_67f038f1-e11c-4596-aef9-e6a512f7c302/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f1f34940ecf685c2c1201858b264ccb53eb3034d3cb9952a1b49bb437c42dde1 [2023-12-03 00:08:36,405 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:08:36,428 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:08:36,431 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:08:36,432 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:08:36,433 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:08:36,434 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test3-1.i [2023-12-03 00:08:39,193 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:08:39,466 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:08:39,466 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test3-1.i [2023-12-03 00:08:39,484 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/data/4dbdd238b/75c47afbd24946a696f2dbec23768e95/FLAG9d5d7bc1d [2023-12-03 00:08:39,499 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/data/4dbdd238b/75c47afbd24946a696f2dbec23768e95 [2023-12-03 00:08:39,502 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:08:39,504 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:08:39,505 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:08:39,506 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:08:39,510 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:08:39,511 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:08:39" (1/1) ... [2023-12-03 00:08:39,512 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a830224 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:08:39, skipping insertion in model container [2023-12-03 00:08:39,513 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:08:39" (1/1) ... [2023-12-03 00:08:39,580 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:08:39,974 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_67f038f1-e11c-4596-aef9-e6a512f7c302/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test3-1.i[33021,33034] [2023-12-03 00:08:40,090 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_67f038f1-e11c-4596-aef9-e6a512f7c302/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test3-1.i[44590,44603] [2023-12-03 00:08:40,097 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:08:40,136 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-03 00:08:40,157 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:08:40,175 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test3-1.i[33021,33034] [2023-12-03 00:08:40,222 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_67f038f1-e11c-4596-aef9-e6a512f7c302/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test3-1.i[44590,44603] [2023-12-03 00:08:40,226 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:08:40,230 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:08:40,255 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_67f038f1-e11c-4596-aef9-e6a512f7c302/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test3-1.i[33021,33034] [2023-12-03 00:08:40,290 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_67f038f1-e11c-4596-aef9-e6a512f7c302/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test3-1.i[44590,44603] [2023-12-03 00:08:40,292 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:08:40,326 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:08:40,334 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:08:40,335 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:08:40 WrapperNode [2023-12-03 00:08:40,335 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:08:40,336 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:08:40,336 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:08:40,336 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:08:40,343 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:08:40" (1/1) ... [2023-12-03 00:08:40,379 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:08:40" (1/1) ... [2023-12-03 00:08:40,434 INFO L138 Inliner]: procedures = 180, calls = 285, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1032 [2023-12-03 00:08:40,434 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:08:40,435 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:08:40,435 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:08:40,435 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:08:40,445 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:08:40" (1/1) ... [2023-12-03 00:08:40,445 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:08:40" (1/1) ... [2023-12-03 00:08:40,455 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:08:40" (1/1) ... [2023-12-03 00:08:40,456 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:08:40" (1/1) ... [2023-12-03 00:08:40,507 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:08:40" (1/1) ... [2023-12-03 00:08:40,517 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:08:40" (1/1) ... [2023-12-03 00:08:40,523 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:08:40" (1/1) ... [2023-12-03 00:08:40,530 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:08:40" (1/1) ... [2023-12-03 00:08:40,541 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:08:40,542 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:08:40,542 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:08:40,542 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:08:40,543 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:08:40" (1/1) ... [2023-12-03 00:08:40,549 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:08:40,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:08:40,569 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:08:40,577 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:08:40,605 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-12-03 00:08:40,605 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 00:08:40,606 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 00:08:40,606 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 00:08:40,606 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-03 00:08:40,606 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-03 00:08:40,606 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 00:08:40,607 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:08:40,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-03 00:08:40,607 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 00:08:40,607 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-12-03 00:08:40,607 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-03 00:08:40,607 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 00:08:40,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 00:08:40,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 00:08:40,608 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:08:40,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:08:40,798 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:08:40,800 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:08:55,840 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:08:56,283 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 00:08:56,283 INFO L309 CfgBuilder]: Removed 63 assume(true) statements. [2023-12-03 00:08:56,285 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:08:56 BoogieIcfgContainer [2023-12-03 00:08:56,285 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 00:08:56,286 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 00:08:56,286 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 00:08:56,295 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 00:08:56,296 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:08:56" (1/1) ... [2023-12-03 00:08:56,304 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 00:08:56,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:08:56,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 131 states and 222 transitions. [2023-12-03 00:08:56,362 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 222 transitions. [2023-12-03 00:08:56,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-03 00:08:56,364 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:08:56,364 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:08:56,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:08:56,366 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:08:56,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 00:08:56,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:08:56,652 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:08:56,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:08:56,718 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:08:56,723 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:08:56,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:08:56,746 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 00:08:56,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:08:56,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 131 states and 217 transitions. [2023-12-03 00:08:56,775 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 217 transitions. [2023-12-03 00:08:56,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 00:08:56,778 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:08:56,779 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:08:56,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:08:56,780 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:08:56,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 00:08:57,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:08:57,086 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:08:57,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:08:57,161 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:08:57,163 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:08:57,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:08:57,295 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 00:08:57,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:08:57,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 138 states and 227 transitions. [2023-12-03 00:08:57,608 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 227 transitions. [2023-12-03 00:08:57,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 00:08:57,610 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:08:57,610 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:08:57,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:08:57,611 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:08:57,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 00:08:57,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:08:57,886 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:08:57,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:08:57,947 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:08:57,949 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:08:57,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:08:57,954 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-03 00:08:57,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:08:57,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 138 states and 223 transitions. [2023-12-03 00:08:57,963 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 223 transitions. [2023-12-03 00:08:57,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 00:08:57,964 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:08:57,965 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:08:57,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:08:57,966 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:08:57,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-03 00:08:58,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:08:58,286 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:08:58,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:08:58,421 INFO L262 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:08:58,423 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:08:58,426 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:08:58,429 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2023-12-03 00:08:58,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:08:58,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 138 states and 221 transitions. [2023-12-03 00:08:58,447 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 221 transitions. [2023-12-03 00:08:58,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 00:08:58,449 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:08:58,449 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:08:58,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:08:58,450 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:08:58,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-03 00:08:58,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:08:58,717 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:08:58,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:08:58,775 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:08:58,777 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:08:58,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:08:58,783 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-03 00:08:58,783 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 00:08:58,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:08:58,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 138 states and 219 transitions. [2023-12-03 00:08:58,791 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 219 transitions. [2023-12-03 00:08:58,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-03 00:08:58,792 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:08:58,793 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:08:58,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:08:58,795 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:08:58,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-03 00:08:59,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:08:59,113 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:08:59,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:08:59,231 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:08:59,233 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:08:59,236 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:08:59,239 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 00:08:59,239 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-03 00:08:59,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:08:59,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 138 states and 215 transitions. [2023-12-03 00:08:59,248 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 215 transitions. [2023-12-03 00:08:59,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-03 00:08:59,250 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:08:59,250 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:08:59,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:08:59,252 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:08:59,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-03 00:08:59,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:08:59,532 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:08:59,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:08:59,602 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:08:59,604 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:08:59,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:08:59,637 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-03 00:08:59,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:08:59,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 138 states and 213 transitions. [2023-12-03 00:08:59,665 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 213 transitions. [2023-12-03 00:08:59,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 00:08:59,666 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:08:59,666 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:08:59,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:08:59,668 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:08:59,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-03 00:09:00,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:00,076 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:09:00,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:00,193 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-03 00:09:00,196 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:09:00,226 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-03 00:09:00,226 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-03 00:09:00,227 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-03 00:09:00,236 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 39 [2023-12-03 00:09:00,337 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 00:09:00,338 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 70 treesize of output 26 [2023-12-03 00:09:00,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:09:00,386 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-12-03 00:09:00,386 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 00:09:01,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:09:01,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 140 states and 216 transitions. [2023-12-03 00:09:01,337 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 216 transitions. [2023-12-03 00:09:01,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-03 00:09:01,338 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:09:01,338 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:09:01,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:09:01,341 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:09:01,346 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-03 00:09:01,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:01,663 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:09:01,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:01,795 INFO L262 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:09:01,797 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:09:01,800 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:09:01,804 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2023-12-03 00:09:01,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:09:01,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 140 states and 210 transitions. [2023-12-03 00:09:01,817 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 210 transitions. [2023-12-03 00:09:01,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 00:09:01,818 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:09:01,818 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:09:01,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:09:01,820 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:09:01,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-03 00:09:02,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:02,241 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:09:02,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:02,421 INFO L262 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:09:02,423 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:09:02,426 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:09:02,430 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2023-12-03 00:09:03,786 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 00:09:03,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:09:03,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 140 states and 204 transitions. [2023-12-03 00:09:03,804 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 204 transitions. [2023-12-03 00:09:03,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-12-03 00:09:03,804 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:09:03,805 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:09:03,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:09:03,805 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:09:03,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-03 00:09:04,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:04,248 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:09:04,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:04,506 INFO L262 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:09:04,508 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:09:04,592 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:09:04,596 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2023-12-03 00:09:04,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:09:04,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 151 states and 215 transitions. [2023-12-03 00:09:04,845 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 215 transitions. [2023-12-03 00:09:04,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-12-03 00:09:04,845 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:09:04,845 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:09:04,845 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:09:04,846 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:09:04,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-12-03 00:09:05,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:05,279 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:09:05,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:05,489 INFO L262 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:09:05,491 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:09:05,494 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:09:05,499 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2023-12-03 00:09:05,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:09:05,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 151 states and 213 transitions. [2023-12-03 00:09:05,510 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 213 transitions. [2023-12-03 00:09:05,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-03 00:09:05,511 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:09:05,511 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:09:05,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:09:05,512 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:09:05,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-12-03 00:09:05,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:05,971 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:09:06,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:06,189 INFO L262 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:09:06,191 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:09:06,193 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:09:06,198 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2023-12-03 00:09:06,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:09:06,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 151 states and 211 transitions. [2023-12-03 00:09:06,218 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 211 transitions. [2023-12-03 00:09:06,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-12-03 00:09:06,219 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:09:06,219 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:09:06,219 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:09:06,220 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:09:06,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-12-03 00:09:06,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:06,755 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:09:06,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:06,986 INFO L262 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:09:06,988 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:09:06,990 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:09:06,995 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Forceful destruction successful, exit code 0 [2023-12-03 00:09:07,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:09:07,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 151 states and 209 transitions. [2023-12-03 00:09:07,002 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 209 transitions. [2023-12-03 00:09:07,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-12-03 00:09:07,003 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:09:07,003 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:09:07,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:09:07,004 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:09:07,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2023-12-03 00:09:07,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:07,581 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:09:07,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:07,835 INFO L262 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:09:07,837 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:09:07,947 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:09:07,952 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2023-12-03 00:09:07,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:09:07,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:09:07,971 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:09:07,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 00:09:07,971 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:09:07,972 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:09:07,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:09:07,973 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:09:07,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2023-12-03 00:09:08,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:08,563 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:09:08,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:08,857 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:09:08,859 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:09:08,999 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:09:09,016 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2023-12-03 00:09:09,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:09:09,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:09:09,159 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:09:09,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 00:09:09,159 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:09:09,160 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:09:09,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:09:09,161 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:09:09,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2023-12-03 00:09:09,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:09,825 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:09:10,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:10,165 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:09:10,167 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:09:10,177 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:09:10,183 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2023-12-03 00:09:10,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:09:10,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:09:10,195 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:09:10,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 00:09:10,195 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:09:10,195 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:09:10,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:09:10,196 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:09:10,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2023-12-03 00:09:10,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:10,875 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:09:11,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:11,169 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:09:11,170 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:09:11,179 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:09:11,185 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2023-12-03 00:09:11,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:09:11,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:09:11,195 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:09:11,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 00:09:11,196 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:09:11,196 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:09:11,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:09:11,197 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:09:11,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2023-12-03 00:09:12,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:12,057 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:09:12,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:12,377 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:09:12,379 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:09:12,390 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:09:12,400 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2023-12-03 00:09:12,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:09:12,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:09:12,409 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:09:12,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 00:09:12,410 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:09:12,410 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:09:12,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:09:12,411 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:09:12,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2023-12-03 00:09:13,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:13,145 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:09:13,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:13,457 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:09:13,458 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:09:13,469 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:09:13,478 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2023-12-03 00:09:13,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:09:13,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:09:13,485 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:09:13,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 00:09:13,485 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:09:13,486 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:09:13,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:09:13,486 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:09:13,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2023-12-03 00:09:14,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:14,317 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:09:14,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:14,661 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:09:14,663 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:09:14,672 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:09:14,681 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Forceful destruction successful, exit code 0 [2023-12-03 00:09:14,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:09:14,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:09:14,687 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:09:14,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 00:09:14,688 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:09:14,688 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:09:14,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:09:14,689 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:09:14,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2023-12-03 00:09:15,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:15,594 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:09:15,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:15,885 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:09:15,887 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:09:15,897 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:09:15,908 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2023-12-03 00:09:15,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:09:15,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:09:15,916 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:09:15,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 00:09:15,916 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:09:15,916 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:09:15,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:09:15,918 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:09:15,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2023-12-03 00:09:16,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:16,855 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:09:17,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:17,158 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:09:17,160 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:09:17,169 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:09:17,180 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2023-12-03 00:09:17,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:09:17,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:09:17,186 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:09:17,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 00:09:17,187 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:09:17,187 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:09:17,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:09:17,188 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:09:17,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2023-12-03 00:09:18,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:18,125 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:09:18,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:18,437 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:09:18,439 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:09:18,448 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:09:18,458 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2023-12-03 00:09:18,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:09:18,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:09:18,465 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:09:18,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 00:09:18,466 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:09:18,466 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:09:18,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:09:18,467 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:09:18,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2023-12-03 00:09:19,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:19,470 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:09:19,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:19,764 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:09:19,767 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:09:19,778 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:09:19,791 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2023-12-03 00:09:19,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:09:19,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:09:19,798 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:09:19,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 00:09:19,799 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:09:19,799 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:09:19,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:09:19,800 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:09:19,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2023-12-03 00:09:20,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:20,852 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:09:21,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:21,131 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:09:21,132 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:09:21,141 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:09:21,153 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2023-12-03 00:09:21,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:09:21,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:09:21,160 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:09:21,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 00:09:21,161 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:09:21,161 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:09:21,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:09:21,162 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:09:21,163 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2023-12-03 00:09:22,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:22,207 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:09:22,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:22,492 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:09:22,494 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:09:22,503 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:09:22,519 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2023-12-03 00:09:22,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:09:22,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:09:22,526 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:09:22,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 00:09:22,527 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:09:22,527 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:09:22,527 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:09:22,528 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:09:22,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2023-12-03 00:09:23,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:23,695 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:09:23,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:23,972 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:09:23,974 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:09:23,983 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:09:23,997 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2023-12-03 00:09:24,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:09:24,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:09:24,003 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:09:24,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 00:09:24,004 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:09:24,004 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:09:24,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:09:24,005 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:09:24,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2023-12-03 00:09:25,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:25,118 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:09:25,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:25,418 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:09:25,419 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:09:25,428 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:09:25,442 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Forceful destruction successful, exit code 0 [2023-12-03 00:09:25,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:09:25,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:09:25,449 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:09:25,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 00:09:25,449 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:09:25,449 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:09:25,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:09:25,450 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:09:25,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2023-12-03 00:09:26,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:26,670 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:09:26,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:26,960 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:09:26,961 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:09:26,970 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:09:26,985 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2023-12-03 00:09:26,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:09:26,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:09:26,992 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:09:26,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 00:09:26,992 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:09:26,992 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:09:26,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:09:26,993 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:09:26,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2023-12-03 00:09:28,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:28,073 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:09:28,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:28,394 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:09:28,395 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:09:28,404 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:09:28,419 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2023-12-03 00:09:28,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:09:28,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:09:28,427 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:09:28,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 00:09:28,427 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:09:28,427 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:09:28,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:09:28,428 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:09:28,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2023-12-03 00:09:29,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:29,685 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:09:29,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:29,999 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:09:30,001 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:09:30,010 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:09:30,027 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2023-12-03 00:09:30,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:09:30,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:09:30,054 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:09:30,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 00:09:30,055 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:09:30,055 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:09:30,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:09:30,056 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:09:30,057 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2023-12-03 00:09:31,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:31,312 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:09:31,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:31,630 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:09:31,632 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:09:31,642 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:09:31,660 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Forceful destruction successful, exit code 0 [2023-12-03 00:09:31,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:09:31,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:09:31,666 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:09:31,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 00:09:31,667 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:09:31,667 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:09:31,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:09:31,668 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:09:31,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2023-12-03 00:09:33,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:33,009 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:09:33,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:33,298 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:09:33,299 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:09:33,309 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:09:33,327 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2023-12-03 00:09:33,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:09:33,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:09:33,334 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:09:33,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 00:09:33,335 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:09:33,335 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:09:33,335 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:09:33,336 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:09:33,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2023-12-03 00:09:34,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:34,627 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:09:34,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:34,942 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:09:34,943 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:09:34,954 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:09:34,974 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Forceful destruction successful, exit code 0 [2023-12-03 00:09:34,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:09:34,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:09:34,980 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:09:34,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 00:09:34,980 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:09:34,981 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:09:34,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:09:34,981 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:09:34,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2023-12-03 00:09:36,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:36,423 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:09:36,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:36,734 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:09:36,736 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:09:36,745 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:09:36,768 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2023-12-03 00:09:36,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:09:36,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:09:36,774 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:09:36,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 00:09:36,775 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:09:36,775 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:09:36,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:09:36,776 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:09:36,777 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2023-12-03 00:09:38,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:38,132 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:09:38,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:38,422 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:09:38,423 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:09:38,433 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:09:38,454 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2023-12-03 00:09:38,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:09:38,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:09:38,460 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:09:38,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 00:09:38,460 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:09:38,461 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:09:38,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:09:38,461 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:09:38,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2023-12-03 00:09:39,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:39,848 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:09:40,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:40,165 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:09:40,168 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:09:40,178 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:09:40,200 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2023-12-03 00:09:40,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:09:40,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:09:40,207 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:09:40,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 00:09:40,207 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:09:40,208 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:09:40,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:09:40,208 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:09:40,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2023-12-03 00:09:41,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:41,694 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:09:41,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:41,991 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:09:41,993 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:09:42,001 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:09:42,023 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2023-12-03 00:09:42,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:09:42,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:09:42,030 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:09:42,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 00:09:42,030 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:09:42,030 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:09:42,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:09:42,031 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:09:42,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2023-12-03 00:09:43,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:43,333 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:09:43,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:43,619 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:09:43,620 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:09:43,629 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:09:43,653 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2023-12-03 00:09:43,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:09:43,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:09:43,660 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:09:43,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 00:09:43,660 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:09:43,660 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:09:43,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:09:43,661 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:09:43,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2023-12-03 00:09:45,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:45,086 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:09:45,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:45,411 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:09:45,413 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:09:45,422 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:09:45,445 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Forceful destruction successful, exit code 0 [2023-12-03 00:09:45,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:09:45,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:09:45,452 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:09:45,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 00:09:45,452 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:09:45,452 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:09:45,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:09:45,453 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:09:45,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2023-12-03 00:09:47,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:47,246 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:09:47,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:47,566 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:09:47,568 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:09:47,576 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:09:47,604 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2023-12-03 00:09:47,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:09:47,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:09:47,610 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:09:47,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 00:09:47,610 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:09:47,610 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:09:47,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:09:47,611 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:09:47,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2023-12-03 00:09:49,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:49,130 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:09:49,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:49,430 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:09:49,431 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:09:49,440 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:09:49,466 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2023-12-03 00:09:49,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:09:49,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:09:49,472 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:09:49,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 00:09:49,472 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:09:49,472 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:09:49,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:09:49,473 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:09:49,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2023-12-03 00:09:51,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:51,192 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:09:51,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:51,512 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:09:51,513 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:09:51,523 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:09:51,550 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2023-12-03 00:09:51,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:09:51,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:09:51,556 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:09:51,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 00:09:51,557 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:09:51,557 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:09:51,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:09:51,558 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:09:51,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2023-12-03 00:09:53,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:53,195 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:09:53,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:53,468 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:09:53,469 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:09:53,478 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:09:53,507 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2023-12-03 00:09:53,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:09:53,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:09:53,513 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:09:53,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 00:09:53,513 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:09:53,514 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:09:53,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:09:53,514 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:09:53,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2023-12-03 00:09:55,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:55,242 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:09:55,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:55,531 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:09:55,532 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:09:55,541 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:09:55,568 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2023-12-03 00:09:55,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:09:55,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:09:55,575 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:09:55,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 00:09:55,575 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:09:55,575 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:09:55,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:09:55,576 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:09:55,577 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2023-12-03 00:09:57,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:57,214 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:09:57,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:57,506 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:09:57,508 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:09:57,516 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:09:57,544 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2023-12-03 00:09:57,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:09:57,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:09:57,552 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:09:57,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 00:09:57,552 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:09:57,553 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:09:57,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:09:57,553 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:09:57,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2023-12-03 00:09:59,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:59,375 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:09:59,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:09:59,677 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:09:59,679 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:09:59,688 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:09:59,716 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2023-12-03 00:09:59,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:09:59,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:09:59,723 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:09:59,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 00:09:59,723 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:09:59,723 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:09:59,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:09:59,724 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:09:59,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2023-12-03 00:10:01,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:10:01,838 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:10:02,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:10:02,164 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:10:02,165 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:10:02,174 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:10:02,203 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2023-12-03 00:10:02,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:10:02,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:10:02,210 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:10:02,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 00:10:02,210 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:10:02,210 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:10:02,211 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:10:02,211 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:10:02,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2023-12-03 00:10:04,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:10:04,234 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:10:04,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:10:04,500 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:10:04,502 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:10:04,510 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:10:04,539 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2023-12-03 00:10:04,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:10:04,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:10:04,546 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:10:04,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 00:10:04,547 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:10:04,547 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:10:04,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:10:04,548 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:10:04,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2023-12-03 00:10:06,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:10:06,444 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:10:06,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:10:06,731 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:10:06,732 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:10:06,741 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:10:06,773 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Ended with exit code 0 [2023-12-03 00:10:06,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:10:06,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:10:06,782 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:10:06,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 00:10:06,783 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:10:06,783 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:10:06,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:10:06,784 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:10:06,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2023-12-03 00:10:08,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:10:08,832 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:10:09,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:10:09,134 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:10:09,136 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:10:09,144 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:10:09,176 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Ended with exit code 0 [2023-12-03 00:10:09,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:10:09,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:10:09,185 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:10:09,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 00:10:09,185 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:10:09,186 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:10:09,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:10:09,186 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:10:09,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2023-12-03 00:10:11,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:10:11,163 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:10:11,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:10:11,452 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:10:11,453 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:10:11,462 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:10:11,494 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Ended with exit code 0 [2023-12-03 00:10:11,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:10:11,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:10:11,501 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:10:11,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 00:10:11,501 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:10:11,501 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:10:11,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:10:11,502 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:10:11,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2023-12-03 00:10:13,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:10:13,557 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:10:13,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:10:13,826 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:10:13,827 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:10:13,836 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:10:13,869 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Ended with exit code 0 [2023-12-03 00:10:13,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:10:13,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:10:13,876 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:10:13,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 00:10:13,876 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:10:13,876 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:10:13,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:10:13,877 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:10:13,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2023-12-03 00:10:16,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:10:16,053 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:10:16,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:10:16,346 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:10:16,348 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:10:16,358 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:10:16,391 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Ended with exit code 0 [2023-12-03 00:10:16,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:10:16,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:10:16,401 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:10:16,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 00:10:16,402 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:10:16,402 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:10:16,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:10:16,403 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:10:16,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2023-12-03 00:10:18,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:10:18,501 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:10:18,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:10:18,811 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:10:18,813 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:10:18,821 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:10:18,855 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Ended with exit code 0 [2023-12-03 00:10:18,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:10:18,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:10:18,863 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:10:18,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 00:10:18,863 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:10:18,864 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:10:18,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:10:18,865 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:10:18,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2023-12-03 00:10:21,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:10:21,018 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:10:21,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:10:21,338 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:10:21,339 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:10:21,348 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:10:21,385 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Ended with exit code 0 [2023-12-03 00:10:21,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:10:21,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:10:21,391 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:10:21,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 00:10:21,392 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:10:21,392 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:10:21,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:10:21,393 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:10:21,394 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2023-12-03 00:10:23,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:10:23,656 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:10:23,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:10:23,930 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:10:23,931 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:10:23,940 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:10:23,960 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Ended with exit code 0 [2023-12-03 00:10:23,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:10:23,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:10:23,967 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:10:23,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 00:10:23,967 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:10:23,967 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:10:23,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:10:23,968 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:10:23,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (60)] Waiting until timeout for monitored process [2023-12-03 00:10:26,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:10:26,061 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:10:26,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:10:26,343 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:10:26,345 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:10:26,353 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:10:26,374 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (60)] Ended with exit code 0 [2023-12-03 00:10:26,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:10:26,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:10:26,380 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:10:26,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 00:10:26,381 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:10:26,381 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:10:26,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:10:26,381 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:10:26,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2023-12-03 00:10:28,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:10:28,586 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:10:28,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:10:28,864 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:10:28,865 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:10:28,874 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:10:28,894 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (61)] Ended with exit code 0 [2023-12-03 00:10:28,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:10:28,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:10:28,901 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:10:28,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 00:10:28,901 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:10:28,901 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:10:28,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:10:28,902 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:10:28,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (62)] Waiting until timeout for monitored process [2023-12-03 00:10:31,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:10:31,059 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:10:31,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:10:31,374 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:10:31,376 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:10:31,385 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:10:31,405 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (62)] Ended with exit code 0 [2023-12-03 00:10:31,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:10:31,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:10:31,412 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:10:31,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 00:10:31,412 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:10:31,412 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:10:31,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:10:31,413 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:10:31,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (63)] Waiting until timeout for monitored process [2023-12-03 00:10:33,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:10:33,473 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:10:33,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:10:33,795 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:10:33,796 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:10:33,804 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:10:33,825 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (63)] Forceful destruction successful, exit code 0 [2023-12-03 00:10:33,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:10:33,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:10:33,832 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:10:33,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 00:10:33,833 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:10:33,833 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:10:33,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:10:33,833 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:10:33,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (64)] Waiting until timeout for monitored process [2023-12-03 00:10:36,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:10:36,407 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:10:36,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:10:36,709 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:10:36,710 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:10:36,718 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:10:36,740 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (64)] Ended with exit code 0 [2023-12-03 00:10:36,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:10:36,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:10:36,746 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:10:36,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 00:10:36,747 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:10:36,747 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:10:36,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:10:36,748 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:10:36,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (65)] Waiting until timeout for monitored process [2023-12-03 00:10:39,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:10:39,151 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:10:39,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:10:39,440 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:10:39,441 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:10:39,450 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:10:39,473 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (65)] Ended with exit code 0 [2023-12-03 00:10:39,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:10:39,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:10:39,479 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:10:39,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 00:10:39,480 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:10:39,480 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:10:39,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:10:39,481 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:10:39,481 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (66)] Waiting until timeout for monitored process [2023-12-03 00:10:42,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:10:42,058 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:10:42,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:10:42,337 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:10:42,338 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:10:42,346 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:10:42,369 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (66)] Ended with exit code 0 [2023-12-03 00:10:42,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:10:42,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:10:42,375 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:10:42,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 00:10:42,376 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:10:42,376 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:10:42,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:10:42,377 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:10:42,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (67)] Waiting until timeout for monitored process [2023-12-03 00:10:44,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:10:44,994 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:10:45,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:10:45,308 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:10:45,309 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:10:45,318 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:10:45,340 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (67)] Ended with exit code 0 [2023-12-03 00:10:45,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:10:45,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:10:45,346 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:10:45,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 00:10:45,347 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:10:45,347 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:10:45,347 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:10:45,348 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:10:45,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (68)] Waiting until timeout for monitored process [2023-12-03 00:10:48,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:10:48,024 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:10:48,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:10:48,343 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:10:48,344 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:10:48,353 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:10:48,375 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (68)] Forceful destruction successful, exit code 0 [2023-12-03 00:10:48,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:10:48,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:10:48,382 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:10:48,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 00:10:48,382 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:10:48,382 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:10:48,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:10:48,383 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:10:48,384 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (69)] Waiting until timeout for monitored process [2023-12-03 00:10:51,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:10:51,315 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:10:51,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:10:51,602 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:10:51,604 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:10:51,613 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:10:51,636 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (69)] Ended with exit code 0 [2023-12-03 00:10:51,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:10:51,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:10:51,645 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:10:51,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 00:10:51,646 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:10:51,646 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:10:51,646 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:10:51,647 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:10:51,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (70)] Waiting until timeout for monitored process [2023-12-03 00:10:54,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:10:54,291 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:10:54,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:10:54,562 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:10:54,563 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:10:54,572 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:10:54,595 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (70)] Ended with exit code 0 [2023-12-03 00:10:54,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:10:54,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:10:54,602 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:10:54,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 00:10:54,602 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:10:54,602 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:10:54,602 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:10:54,603 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:10:54,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (71)] Waiting until timeout for monitored process [2023-12-03 00:10:57,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:10:57,218 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:10:57,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:10:57,491 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:10:57,492 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:10:57,500 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:10:57,524 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (71)] Ended with exit code 0 [2023-12-03 00:10:57,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:10:57,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:10:57,531 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:10:57,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 00:10:57,531 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:10:57,531 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:10:57,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:10:57,532 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:10:57,533 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (72)] Waiting until timeout for monitored process [2023-12-03 00:11:00,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:11:00,401 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:11:00,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:11:00,709 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:11:00,711 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:11:00,719 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:11:00,743 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (72)] Ended with exit code 0 [2023-12-03 00:11:00,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:11:00,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:11:00,770 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:11:00,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 00:11:00,771 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:11:00,771 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:11:00,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:11:00,771 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:11:00,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (73)] Waiting until timeout for monitored process [2023-12-03 00:11:03,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:11:03,359 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:11:03,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:11:03,659 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:11:03,660 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:11:03,668 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:11:03,693 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (73)] Ended with exit code 0 [2023-12-03 00:11:03,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:11:03,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:11:03,699 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:11:03,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 00:11:03,699 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:11:03,700 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:11:03,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:11:03,700 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:11:03,701 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (74)] Waiting until timeout for monitored process [2023-12-03 00:11:06,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:11:06,678 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:11:06,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:11:06,958 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:11:06,959 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:11:06,967 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:11:06,992 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (74)] Ended with exit code 0 [2023-12-03 00:11:07,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:11:07,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:11:07,002 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:11:07,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 00:11:07,002 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:11:07,002 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:11:07,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:11:07,003 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:11:07,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (75)] Waiting until timeout for monitored process [2023-12-03 00:11:09,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:11:09,920 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:11:10,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:11:10,188 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:11:10,189 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:11:10,197 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:11:10,223 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (75)] Ended with exit code 0 [2023-12-03 00:11:10,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:11:10,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:11:10,229 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:11:10,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 00:11:10,229 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:11:10,230 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:11:10,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:11:10,230 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:11:10,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (76)] Waiting until timeout for monitored process [2023-12-03 00:11:13,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:11:13,171 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:11:13,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:11:13,481 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:11:13,482 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:11:13,490 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:11:13,516 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (76)] Ended with exit code 0 [2023-12-03 00:11:13,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:11:13,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:11:13,522 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:11:13,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 00:11:13,523 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:11:13,523 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:11:13,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:11:13,524 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:11:13,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (77)] Waiting until timeout for monitored process [2023-12-03 00:11:16,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:11:16,577 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:11:16,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:11:16,877 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:11:16,878 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:11:16,886 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:11:16,913 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (77)] Ended with exit code 0 [2023-12-03 00:11:16,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:11:16,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:11:16,919 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:11:16,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 00:11:16,919 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:11:16,919 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:11:16,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:11:16,920 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:11:16,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (78)] Waiting until timeout for monitored process [2023-12-03 00:11:19,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:11:19,831 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:11:20,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:11:20,131 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:11:20,132 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:11:20,141 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:11:20,167 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (78)] Ended with exit code 0 [2023-12-03 00:11:20,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:11:20,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:11:20,173 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:11:20,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 00:11:20,173 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:11:20,173 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:11:20,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:11:20,174 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:11:20,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (79)] Waiting until timeout for monitored process [2023-12-03 00:11:23,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:11:23,370 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:11:23,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:11:23,663 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:11:23,664 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:11:23,672 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:11:23,698 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (79)] Ended with exit code 0 [2023-12-03 00:11:23,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:11:23,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:11:23,705 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:11:23,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 00:11:23,705 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:11:23,705 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:11:23,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:11:23,706 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:11:23,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (80)] Waiting until timeout for monitored process [2023-12-03 00:11:26,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:11:26,920 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:11:27,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:11:27,238 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:11:27,239 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:11:27,247 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:11:27,275 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (80)] Ended with exit code 0 [2023-12-03 00:11:27,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:11:27,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:11:27,281 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:11:27,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 00:11:27,281 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:11:27,281 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:11:27,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:11:27,282 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:11:27,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (81)] Waiting until timeout for monitored process [2023-12-03 00:11:30,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:11:30,271 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:11:30,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:11:30,558 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:11:30,560 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:11:30,568 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:11:30,596 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (81)] Ended with exit code 0 [2023-12-03 00:11:30,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:11:30,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:11:30,602 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:11:30,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 00:11:30,602 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:11:30,602 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:11:30,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:11:30,603 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:11:30,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (82)] Waiting until timeout for monitored process [2023-12-03 00:11:33,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:11:33,814 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:11:34,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:11:34,112 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:11:34,113 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:11:34,120 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:11:34,149 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (82)] Ended with exit code 0 [2023-12-03 00:11:34,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:11:34,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:11:34,155 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:11:34,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 00:11:34,156 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:11:34,156 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:11:34,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:11:34,156 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:11:34,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (83)] Waiting until timeout for monitored process [2023-12-03 00:11:37,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:11:37,414 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:11:37,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:11:37,696 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:11:37,697 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:11:37,705 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:11:37,733 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (83)] Ended with exit code 0 [2023-12-03 00:11:37,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:11:37,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:11:37,740 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:11:37,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 00:11:37,740 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:11:37,740 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:11:37,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:11:37,741 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:11:37,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (84)] Waiting until timeout for monitored process [2023-12-03 00:11:40,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:11:40,852 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:11:41,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:11:41,156 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:11:41,157 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:11:41,166 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:11:41,194 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (84)] Ended with exit code 0 [2023-12-03 00:11:41,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:11:41,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:11:41,201 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:11:41,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 00:11:41,201 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:11:41,201 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:11:41,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:11:41,202 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:11:41,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (85)] Waiting until timeout for monitored process [2023-12-03 00:11:44,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:11:44,408 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:11:44,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:11:44,688 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:11:44,690 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:11:44,697 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:11:44,726 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (85)] Ended with exit code 0 [2023-12-03 00:11:44,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:11:44,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:11:44,733 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:11:44,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 00:11:44,733 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:11:44,733 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:11:44,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:11:44,734 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:11:44,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (86)] Waiting until timeout for monitored process [2023-12-03 00:11:48,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:11:48,078 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:11:48,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:11:48,374 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:11:48,376 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:11:48,383 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:11:48,413 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (86)] Ended with exit code 0 [2023-12-03 00:11:48,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:11:48,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:11:48,419 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:11:48,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 00:11:48,420 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:11:48,420 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:11:48,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:11:48,421 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:11:48,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (87)] Waiting until timeout for monitored process [2023-12-03 00:11:51,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:11:51,836 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:11:52,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:11:52,124 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:11:52,125 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:11:52,134 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:11:52,167 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (87)] Forceful destruction successful, exit code 0 [2023-12-03 00:11:52,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:11:52,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:11:52,173 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:11:52,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 00:11:52,173 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:11:52,173 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:11:52,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:11:52,174 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:11:52,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (88)] Waiting until timeout for monitored process [2023-12-03 00:11:55,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:11:55,530 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:11:55,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:11:55,832 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:11:55,833 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:11:55,842 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:11:55,872 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (88)] Ended with exit code 0 [2023-12-03 00:11:55,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:11:55,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:11:55,905 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:11:55,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 00:11:55,905 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:11:55,905 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:11:55,905 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:11:55,906 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:11:55,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (89)] Waiting until timeout for monitored process [2023-12-03 00:11:59,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:11:59,025 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:11:59,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:11:59,319 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:11:59,320 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:11:59,329 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:11:59,359 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (89)] Ended with exit code 0 [2023-12-03 00:11:59,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:11:59,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:11:59,366 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:11:59,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 00:11:59,366 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:11:59,366 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:11:59,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:11:59,367 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:11:59,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (90)] Waiting until timeout for monitored process [2023-12-03 00:12:03,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:12:03,071 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:12:03,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:12:03,350 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:12:03,351 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:12:03,361 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:12:03,392 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (90)] Ended with exit code 0 [2023-12-03 00:12:03,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:12:03,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:12:03,398 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:12:03,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 00:12:03,398 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:12:03,398 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:12:03,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:12:03,399 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:12:03,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (91)] Waiting until timeout for monitored process [2023-12-03 00:12:06,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:12:06,922 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:12:07,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:12:07,221 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:12:07,222 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:12:07,231 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:12:07,262 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (91)] Ended with exit code 0 [2023-12-03 00:12:07,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:12:07,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:12:07,269 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:12:07,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 00:12:07,269 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:12:07,270 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:12:07,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:12:07,270 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:12:07,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (92)] Waiting until timeout for monitored process [2023-12-03 00:12:10,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:12:10,451 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:12:10,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:12:10,736 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:12:10,737 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:12:10,746 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:12:10,778 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (92)] Ended with exit code 0 [2023-12-03 00:12:10,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:12:10,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:12:10,784 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:12:10,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 00:12:10,784 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:12:10,784 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:12:10,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:12:10,785 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:12:10,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (93)] Waiting until timeout for monitored process [2023-12-03 00:12:14,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:12:14,289 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:12:14,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:12:14,600 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:12:14,601 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:12:14,610 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:12:14,642 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (93)] Ended with exit code 0 [2023-12-03 00:12:14,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:12:14,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:12:14,649 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:12:14,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 00:12:14,649 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:12:14,649 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:12:14,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:12:14,650 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:12:14,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (94)] Waiting until timeout for monitored process [2023-12-03 00:12:18,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:12:18,142 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:12:18,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:12:18,424 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:12:18,425 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:12:18,433 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:12:18,465 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (94)] Ended with exit code 0 [2023-12-03 00:12:18,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:12:18,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:12:18,471 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:12:18,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 00:12:18,472 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:12:18,472 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:12:18,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:12:18,473 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:12:18,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (95)] Waiting until timeout for monitored process [2023-12-03 00:12:22,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:12:22,093 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:12:22,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:12:22,376 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:12:22,377 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:12:22,385 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:12:22,418 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (95)] Ended with exit code 0 [2023-12-03 00:12:22,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:12:22,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:12:22,425 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:12:22,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 00:12:22,425 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:12:22,425 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:12:22,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:12:22,426 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:12:22,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (96)] Waiting until timeout for monitored process [2023-12-03 00:12:25,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:12:25,986 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:12:26,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:12:26,271 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:12:26,272 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:12:26,280 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:12:26,313 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (96)] Ended with exit code 0 [2023-12-03 00:12:26,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:12:26,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:12:26,320 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:12:26,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 00:12:26,320 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:12:26,320 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:12:26,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:12:26,321 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:12:26,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (97)] Waiting until timeout for monitored process [2023-12-03 00:12:30,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:12:30,035 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:12:30,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:12:30,341 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:12:30,343 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:12:30,351 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:12:30,384 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (97)] Ended with exit code 0 [2023-12-03 00:12:30,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:12:30,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:12:30,391 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:12:30,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 00:12:30,392 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:12:30,392 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:12:30,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:12:30,393 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:12:30,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (98)] Waiting until timeout for monitored process [2023-12-03 00:12:34,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:12:34,121 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:12:34,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:12:34,435 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:12:34,436 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:12:34,445 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:12:34,479 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (98)] Forceful destruction successful, exit code 0 [2023-12-03 00:12:34,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:12:34,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:12:34,486 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:12:34,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 00:12:34,486 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:12:34,486 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:12:34,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:12:34,487 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:12:34,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (99)] Waiting until timeout for monitored process [2023-12-03 00:12:38,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:12:38,083 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:12:38,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:12:38,384 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:12:38,385 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:12:38,394 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:12:38,429 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (99)] Ended with exit code 0 [2023-12-03 00:12:38,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:12:38,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:12:38,436 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:12:38,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 00:12:38,436 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:12:38,437 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:12:38,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:12:38,437 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:12:38,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (100)] Waiting until timeout for monitored process [2023-12-03 00:12:42,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:12:42,530 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:12:42,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:12:42,858 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:12:42,860 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:12:42,868 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:12:42,903 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (100)] Ended with exit code 0 [2023-12-03 00:12:42,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:12:42,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:12:42,909 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:12:42,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 00:12:42,910 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:12:42,910 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:12:42,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:12:42,911 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:12:42,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (101)] Waiting until timeout for monitored process [2023-12-03 00:12:46,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:12:46,669 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:12:46,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:12:46,932 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:12:46,933 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:12:46,941 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:12:46,976 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (101)] Ended with exit code 0 [2023-12-03 00:12:46,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:12:46,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:12:46,982 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:12:46,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 00:12:46,983 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:12:46,983 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:12:46,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:12:46,984 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:12:46,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (102)] Waiting until timeout for monitored process [2023-12-03 00:12:50,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:12:50,887 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:12:51,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:12:51,199 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:12:51,200 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:12:51,209 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:12:51,244 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (102)] Ended with exit code 0 [2023-12-03 00:12:51,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:12:51,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:12:51,251 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:12:51,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 00:12:51,251 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:12:51,251 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:12:51,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:12:51,252 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:12:51,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (103)] Waiting until timeout for monitored process [2023-12-03 00:12:55,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:12:55,321 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:12:55,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:12:55,599 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:12:55,600 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:12:55,609 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:12:55,647 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (103)] Ended with exit code 0 [2023-12-03 00:12:55,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:12:55,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:12:55,653 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:12:55,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 00:12:55,653 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:12:55,653 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:12:55,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:12:55,654 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:12:55,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (104)] Waiting until timeout for monitored process [2023-12-03 00:12:59,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:12:59,361 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:12:59,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:12:59,660 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:12:59,662 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:12:59,670 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:12:59,706 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (104)] Ended with exit code 0 [2023-12-03 00:12:59,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:12:59,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:12:59,713 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:12:59,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 00:12:59,713 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:12:59,713 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:12:59,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:12:59,714 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:12:59,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (105)] Waiting until timeout for monitored process [2023-12-03 00:13:03,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:13:03,639 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:13:03,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:13:03,905 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:13:03,906 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:13:03,914 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:13:03,951 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (105)] Ended with exit code 0 [2023-12-03 00:13:03,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:13:03,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:13:03,957 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:13:03,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 00:13:03,957 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:13:03,957 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:13:03,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:13:03,958 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:13:03,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (106)] Waiting until timeout for monitored process [2023-12-03 00:13:07,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:13:07,935 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:13:08,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:13:08,222 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:13:08,223 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:13:08,232 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:13:08,269 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (106)] Ended with exit code 0 [2023-12-03 00:13:08,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:13:08,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:13:08,275 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:13:08,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 00:13:08,276 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:13:08,276 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:13:08,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:13:08,276 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:13:08,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (107)] Waiting until timeout for monitored process [2023-12-03 00:13:11,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:13:11,929 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:13:12,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:13:12,247 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:13:12,248 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:13:12,256 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:13:12,294 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (107)] Ended with exit code 0 [2023-12-03 00:13:12,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:13:12,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:13:12,300 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:13:12,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 00:13:12,300 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:13:12,300 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:13:12,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:13:12,301 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:13:12,301 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (108)] Waiting until timeout for monitored process [2023-12-03 00:13:16,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:13:16,471 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:13:16,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:13:16,760 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:13:16,761 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:13:16,768 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:13:16,806 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (108)] Ended with exit code 0 [2023-12-03 00:13:16,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:13:16,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:13:16,812 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:13:16,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 00:13:16,812 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:13:16,812 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:13:16,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:13:16,813 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:13:16,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (109)] Waiting until timeout for monitored process [2023-12-03 00:13:21,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:13:21,038 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:13:21,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:13:21,319 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:13:21,320 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:13:21,328 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:13:21,365 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (109)] Ended with exit code 0 [2023-12-03 00:13:21,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:13:21,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:13:21,371 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:13:21,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 00:13:21,372 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:13:21,372 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:13:21,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:13:21,372 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:13:21,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (110)] Waiting until timeout for monitored process [2023-12-03 00:13:25,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:13:25,376 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:13:25,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:13:25,693 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:13:25,694 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:13:25,702 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:13:25,741 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (110)] Ended with exit code 0 [2023-12-03 00:13:25,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:13:25,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:13:25,747 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:13:25,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 00:13:25,747 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:13:25,747 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:13:25,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:13:25,748 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:13:25,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (111)] Waiting until timeout for monitored process [2023-12-03 00:13:30,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:13:30,118 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:13:30,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:13:30,407 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:13:30,408 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:13:30,417 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:13:30,456 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (111)] Ended with exit code 0 [2023-12-03 00:13:30,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:13:30,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:13:30,462 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:13:30,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 00:13:30,463 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:13:30,463 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:13:30,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:13:30,464 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:13:30,465 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (112)] Waiting until timeout for monitored process [2023-12-03 00:13:34,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:13:34,606 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:13:34,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:13:34,884 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:13:34,886 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:13:34,894 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:13:34,934 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (112)] Ended with exit code 0 [2023-12-03 00:13:34,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:13:34,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:13:34,940 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:13:34,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 00:13:34,940 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:13:34,940 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:13:34,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:13:34,941 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:13:34,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (113)] Waiting until timeout for monitored process [2023-12-03 00:13:39,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:13:39,293 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:13:39,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:13:39,580 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:13:39,581 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:13:39,611 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:13:39,654 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (113)] Ended with exit code 0 [2023-12-03 00:13:39,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:13:39,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:13:39,660 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:13:39,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 00:13:39,660 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:13:39,660 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:13:39,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:13:39,661 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:13:39,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (114)] Waiting until timeout for monitored process [2023-12-03 00:13:44,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:13:44,158 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:13:44,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:13:44,456 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:13:44,457 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:13:44,465 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:13:44,506 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (114)] Ended with exit code 0 [2023-12-03 00:13:44,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:13:44,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:13:44,513 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:13:44,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 00:13:44,513 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:13:44,513 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:13:44,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:13:44,514 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:13:44,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (115)] Waiting until timeout for monitored process [2023-12-03 00:13:48,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:13:48,813 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:13:49,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:13:49,119 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:13:49,120 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:13:49,128 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:13:49,169 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (115)] Ended with exit code 0 [2023-12-03 00:13:49,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:13:49,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:13:49,174 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:13:49,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 00:13:49,174 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:13:49,174 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:13:49,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:13:49,175 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:13:49,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (116)] Waiting until timeout for monitored process [2023-12-03 00:13:53,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:13:53,472 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:13:53,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:13:53,798 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:13:53,799 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:13:53,807 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:13:53,849 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (116)] Forceful destruction successful, exit code 0 [2023-12-03 00:13:53,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:13:53,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:13:53,855 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:13:53,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 00:13:53,855 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:13:53,855 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:13:53,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:13:53,856 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:13:53,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (117)] Waiting until timeout for monitored process [2023-12-03 00:13:58,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:13:58,001 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:13:58,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:13:58,281 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:13:58,282 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:13:58,290 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:13:58,332 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (117)] Ended with exit code 0 [2023-12-03 00:13:58,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:13:58,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:13:58,338 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:13:58,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 00:13:58,338 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:13:58,338 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:13:58,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:13:58,339 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:13:58,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (118)] Waiting until timeout for monitored process [2023-12-03 00:14:02,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:14:02,788 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:14:03,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:14:03,085 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:14:03,086 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:14:03,094 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:14:03,136 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (118)] Ended with exit code 0 [2023-12-03 00:14:03,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:14:03,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:14:03,142 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:14:03,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 00:14:03,142 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:14:03,142 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:14:03,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:14:03,143 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:14:03,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (119)] Waiting until timeout for monitored process [2023-12-03 00:14:07,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:14:07,833 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:14:08,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:14:08,101 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:14:08,102 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:14:08,110 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:14:08,153 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (119)] Ended with exit code 0 [2023-12-03 00:14:08,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:14:08,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:14:08,159 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:14:08,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 00:14:08,159 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:14:08,159 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:14:08,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:14:08,160 INFO L229 MonitoredProcess]: Starting monitored process 120 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:14:08,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (120)] Waiting until timeout for monitored process [2023-12-03 00:14:12,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:14:12,567 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:14:12,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:14:12,898 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:14:12,899 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:14:12,907 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:14:12,950 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (120)] Ended with exit code 0 [2023-12-03 00:14:12,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:14:12,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:14:12,955 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:14:12,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 00:14:12,956 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:14:12,956 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:14:12,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:14:12,957 INFO L229 MonitoredProcess]: Starting monitored process 121 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:14:12,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (121)] Waiting until timeout for monitored process [2023-12-03 00:14:17,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:14:17,806 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:14:18,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:14:18,128 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:14:18,129 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:14:18,137 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:14:18,180 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (121)] Ended with exit code 0 [2023-12-03 00:14:18,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:14:18,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:14:18,187 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:14:18,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 00:14:18,187 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:14:18,187 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:14:18,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:14:18,188 INFO L229 MonitoredProcess]: Starting monitored process 122 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:14:18,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (122)] Waiting until timeout for monitored process [2023-12-03 00:14:22,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:14:22,927 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:14:23,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:14:23,217 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:14:23,218 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:14:23,226 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:14:23,270 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (122)] Ended with exit code 0 [2023-12-03 00:14:23,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:14:23,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:14:23,295 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:14:23,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 00:14:23,295 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:14:23,295 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:14:23,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:14:23,296 INFO L229 MonitoredProcess]: Starting monitored process 123 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:14:23,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (123)] Waiting until timeout for monitored process [2023-12-03 00:14:27,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:14:27,991 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:14:28,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:14:28,304 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:14:28,306 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:14:28,314 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:14:28,358 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (123)] Ended with exit code 0 [2023-12-03 00:14:28,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:14:28,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:14:28,364 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:14:28,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 00:14:28,364 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:14:28,364 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:14:28,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:14:28,365 INFO L229 MonitoredProcess]: Starting monitored process 124 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:14:28,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (124)] Waiting until timeout for monitored process [2023-12-03 00:14:33,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:14:33,217 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:14:33,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:14:33,512 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:14:33,513 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:14:33,521 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:14:33,566 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (124)] Ended with exit code 0 [2023-12-03 00:14:33,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:14:33,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:14:33,571 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:14:33,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 00:14:33,572 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:14:33,572 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:14:33,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:14:33,573 INFO L229 MonitoredProcess]: Starting monitored process 125 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:14:33,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (125)] Waiting until timeout for monitored process [2023-12-03 00:14:38,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:14:38,345 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:14:38,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:14:38,655 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:14:38,657 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:14:38,665 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:14:38,709 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (125)] Ended with exit code 0 [2023-12-03 00:14:38,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:14:38,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:14:38,716 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:14:38,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 00:14:38,716 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:14:38,716 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:14:38,717 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:14:38,717 INFO L229 MonitoredProcess]: Starting monitored process 126 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:14:38,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (126)] Waiting until timeout for monitored process [2023-12-03 00:14:43,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:14:43,319 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:14:43,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:14:43,665 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:14:43,667 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:14:43,675 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:14:43,720 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (126)] Forceful destruction successful, exit code 0 [2023-12-03 00:14:43,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:14:43,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:14:43,727 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:14:43,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 00:14:43,727 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:14:43,727 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:14:43,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:14:43,728 INFO L229 MonitoredProcess]: Starting monitored process 127 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:14:43,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (127)] Waiting until timeout for monitored process [2023-12-03 00:14:48,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:14:48,064 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:14:48,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:14:48,361 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:14:48,362 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:14:48,371 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:14:48,416 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (127)] Ended with exit code 0 [2023-12-03 00:14:48,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:14:48,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:14:48,441 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:14:48,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 00:14:48,441 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:14:48,441 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:14:48,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:14:48,442 INFO L229 MonitoredProcess]: Starting monitored process 128 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:14:48,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (128)] Waiting until timeout for monitored process [2023-12-03 00:14:53,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:14:53,373 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:14:53,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:14:53,675 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:14:53,676 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:14:53,684 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:14:53,730 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (128)] Ended with exit code 0 [2023-12-03 00:14:53,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:14:53,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:14:53,736 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:14:53,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 00:14:53,736 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:14:53,736 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:14:53,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:14:53,737 INFO L229 MonitoredProcess]: Starting monitored process 129 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:14:53,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (129)] Waiting until timeout for monitored process [2023-12-03 00:14:58,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:14:58,872 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:14:59,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:14:59,168 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:14:59,169 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:14:59,177 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:14:59,223 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (129)] Ended with exit code 0 [2023-12-03 00:14:59,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:14:59,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:14:59,229 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:14:59,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 00:14:59,230 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:14:59,230 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:14:59,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:14:59,231 INFO L229 MonitoredProcess]: Starting monitored process 130 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:14:59,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (130)] Waiting until timeout for monitored process [2023-12-03 00:15:04,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:15:04,397 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:15:04,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:15:04,671 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:15:04,672 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:15:04,681 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:15:04,728 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (130)] Ended with exit code 0 [2023-12-03 00:15:04,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:15:04,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:15:04,734 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:15:04,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 00:15:04,734 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:15:04,734 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:15:04,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:15:04,735 INFO L229 MonitoredProcess]: Starting monitored process 131 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:15:04,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (131)] Waiting until timeout for monitored process [2023-12-03 00:15:09,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:15:09,752 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:15:10,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:15:10,035 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:15:10,036 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:15:10,045 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:15:10,092 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (131)] Ended with exit code 0 [2023-12-03 00:15:10,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:15:10,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:15:10,098 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:15:10,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 00:15:10,098 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:15:10,098 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:15:10,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:15:10,099 INFO L229 MonitoredProcess]: Starting monitored process 132 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:15:10,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (132)] Waiting until timeout for monitored process [2023-12-03 00:15:15,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:15:15,191 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:15:15,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:15:15,505 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:15:15,506 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:15:15,515 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:15:15,562 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (132)] Ended with exit code 0 [2023-12-03 00:15:15,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:15:15,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:15:15,568 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:15:15,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 00:15:15,568 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:15:15,569 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:15:15,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:15:15,569 INFO L229 MonitoredProcess]: Starting monitored process 133 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:15:15,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (133)] Waiting until timeout for monitored process [2023-12-03 00:15:20,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:15:20,890 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:15:21,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:15:21,201 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:15:21,202 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:15:21,209 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:15:21,257 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (133)] Ended with exit code 0 [2023-12-03 00:15:21,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:15:21,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:15:21,263 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:15:21,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 00:15:21,263 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:15:21,263 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:15:21,263 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:15:21,264 INFO L229 MonitoredProcess]: Starting monitored process 134 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:15:21,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (134)] Waiting until timeout for monitored process [2023-12-03 00:15:26,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:15:26,615 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:15:26,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:15:26,920 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:15:26,921 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:15:26,929 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:15:26,978 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (134)] Ended with exit code 0 [2023-12-03 00:15:26,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:15:26,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:15:26,984 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:15:26,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 00:15:26,984 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:15:26,984 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:15:26,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:15:26,985 INFO L229 MonitoredProcess]: Starting monitored process 135 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:15:26,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (135)] Waiting until timeout for monitored process [2023-12-03 00:15:31,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:15:31,881 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:15:32,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:15:32,211 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:15:32,212 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:15:32,221 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:15:32,269 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (135)] Ended with exit code 0 [2023-12-03 00:15:32,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:15:32,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:15:32,274 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:15:32,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 00:15:32,275 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:15:32,275 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:15:32,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:15:32,276 INFO L229 MonitoredProcess]: Starting monitored process 136 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:15:32,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (136)] Waiting until timeout for monitored process [2023-12-03 00:15:37,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:15:37,618 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:15:37,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:15:37,935 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:15:37,936 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:15:37,944 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:15:37,993 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (136)] Ended with exit code 0 [2023-12-03 00:15:37,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:15:37,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:15:37,999 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:15:37,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 00:15:37,999 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:15:37,999 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:15:37,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:15:38,000 INFO L229 MonitoredProcess]: Starting monitored process 137 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:15:38,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (137)] Waiting until timeout for monitored process [2023-12-03 00:15:43,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:15:43,205 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:15:43,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:15:43,535 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:15:43,536 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:15:43,544 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:15:43,593 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (137)] Ended with exit code 0 [2023-12-03 00:15:43,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:15:43,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:15:43,599 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:15:43,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 00:15:43,600 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:15:43,600 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:15:43,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:15:43,601 INFO L229 MonitoredProcess]: Starting monitored process 138 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:15:43,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (138)] Waiting until timeout for monitored process [2023-12-03 00:15:48,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:15:48,959 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:15:49,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:15:49,268 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:15:49,269 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:15:49,277 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:15:49,327 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (138)] Ended with exit code 0 [2023-12-03 00:15:49,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:15:49,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:15:49,333 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:15:49,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 00:15:49,333 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:15:49,333 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:15:49,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:15:49,334 INFO L229 MonitoredProcess]: Starting monitored process 139 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:15:49,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (139)] Waiting until timeout for monitored process [2023-12-03 00:15:54,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:15:54,777 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:15:55,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:15:55,058 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:15:55,059 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:15:55,067 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:15:55,117 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (139)] Ended with exit code 0 [2023-12-03 00:15:55,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:15:55,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:15:55,123 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:15:55,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 00:15:55,123 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:15:55,123 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:15:55,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:15:55,124 INFO L229 MonitoredProcess]: Starting monitored process 140 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:15:55,124 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (140)] Waiting until timeout for monitored process [2023-12-03 00:16:00,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:16:00,760 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:16:01,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:16:01,031 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:16:01,032 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:16:01,041 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:16:01,091 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (140)] Ended with exit code 0 [2023-12-03 00:16:01,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:16:01,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:16:01,097 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:16:01,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 00:16:01,097 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:16:01,098 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:16:01,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:16:01,098 INFO L229 MonitoredProcess]: Starting monitored process 141 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:16:01,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (141)] Waiting until timeout for monitored process [2023-12-03 00:16:06,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:16:06,404 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:16:06,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:16:06,716 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:16:06,717 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:16:06,726 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:16:06,776 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (141)] Ended with exit code 0 [2023-12-03 00:16:06,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:16:06,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:16:06,783 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:16:06,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 00:16:06,784 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:16:06,784 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:16:06,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:16:06,784 INFO L229 MonitoredProcess]: Starting monitored process 142 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:16:06,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (142)] Waiting until timeout for monitored process [2023-12-03 00:16:12,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:16:12,377 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:16:12,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:16:12,656 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:16:12,657 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:16:12,665 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:16:12,716 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (142)] Ended with exit code 0 [2023-12-03 00:16:12,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:16:12,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:16:12,742 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:16:12,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 00:16:12,742 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:16:12,742 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:16:12,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:16:12,743 INFO L229 MonitoredProcess]: Starting monitored process 143 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:16:12,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (143)] Waiting until timeout for monitored process [2023-12-03 00:16:18,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:16:18,408 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:16:18,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:16:18,708 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:16:18,709 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:16:18,719 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:16:18,775 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (143)] Ended with exit code 0 [2023-12-03 00:16:18,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:16:18,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:16:18,782 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:16:18,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 00:16:18,782 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:16:18,782 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:16:18,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:16:18,783 INFO L229 MonitoredProcess]: Starting monitored process 144 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:16:18,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (144)] Waiting until timeout for monitored process [2023-12-03 00:16:24,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:16:24,556 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:16:24,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:16:24,861 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:16:24,862 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:16:24,872 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:16:24,928 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (144)] Ended with exit code 0 [2023-12-03 00:16:24,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:16:24,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:16:24,957 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:16:24,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 00:16:24,958 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:16:24,958 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:16:24,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:16:24,959 INFO L229 MonitoredProcess]: Starting monitored process 145 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:16:24,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (145)] Waiting until timeout for monitored process [2023-12-03 00:16:30,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:16:30,958 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:16:31,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:16:31,239 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:16:31,240 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:16:31,248 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:16:31,300 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (145)] Ended with exit code 0 [2023-12-03 00:16:31,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:16:31,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:16:31,306 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:16:31,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 00:16:31,306 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:16:31,306 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:16:31,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:16:31,307 INFO L229 MonitoredProcess]: Starting monitored process 146 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:16:31,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (146)] Waiting until timeout for monitored process [2023-12-03 00:16:37,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:16:37,412 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:16:37,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:16:37,778 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:16:37,778 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:16:37,786 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:16:37,839 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (146)] Ended with exit code 0 [2023-12-03 00:16:37,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:16:37,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:16:37,844 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:16:37,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 00:16:37,845 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:16:37,845 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:16:37,845 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:16:37,846 INFO L229 MonitoredProcess]: Starting monitored process 147 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:16:37,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (147)] Waiting until timeout for monitored process [2023-12-03 00:16:43,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:16:43,922 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:16:44,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:16:44,235 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:16:44,236 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:16:44,245 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:16:44,300 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (147)] Ended with exit code 0 [2023-12-03 00:16:44,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:16:44,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:16:44,327 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:16:44,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 00:16:44,328 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:16:44,328 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:16:44,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:16:44,329 INFO L229 MonitoredProcess]: Starting monitored process 148 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:16:44,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (148)] Waiting until timeout for monitored process [2023-12-03 00:16:50,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:16:50,353 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:16:50,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:16:50,655 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:16:50,656 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:16:50,664 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:16:50,718 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (148)] Ended with exit code 0 [2023-12-03 00:16:50,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:16:50,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:16:50,724 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:16:50,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 00:16:50,725 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:16:50,725 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:16:50,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:16:50,725 INFO L229 MonitoredProcess]: Starting monitored process 149 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:16:50,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (149)] Waiting until timeout for monitored process [2023-12-03 00:16:56,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:16:56,686 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:16:56,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:16:56,991 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:16:56,992 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:16:57,000 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:16:57,053 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (149)] Ended with exit code 0 [2023-12-03 00:16:57,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:16:57,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:16:57,060 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:16:57,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 00:16:57,060 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:16:57,060 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:16:57,060 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:16:57,061 INFO L229 MonitoredProcess]: Starting monitored process 150 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:16:57,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (150)] Waiting until timeout for monitored process [2023-12-03 00:17:02,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:17:02,939 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:17:03,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:17:03,217 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:17:03,218 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:17:03,227 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:17:03,287 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (150)] Ended with exit code 0 [2023-12-03 00:17:03,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:17:03,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:17:03,293 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:17:03,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 00:17:03,294 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:17:03,294 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:17:03,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:17:03,295 INFO L229 MonitoredProcess]: Starting monitored process 151 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:17:03,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (151)] Waiting until timeout for monitored process [2023-12-03 00:17:09,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:17:09,259 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:17:09,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:17:09,593 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:17:09,594 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:17:09,602 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:17:09,661 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (151)] Ended with exit code 0 [2023-12-03 00:17:09,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:17:09,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:17:09,666 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:17:09,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 00:17:09,667 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:17:09,667 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:17:09,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:17:09,668 INFO L229 MonitoredProcess]: Starting monitored process 152 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:17:09,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (152)] Waiting until timeout for monitored process [2023-12-03 00:17:15,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:17:15,579 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:17:15,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:17:15,884 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:17:15,885 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:17:15,893 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:17:15,949 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (152)] Ended with exit code 0 [2023-12-03 00:17:15,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:17:15,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:17:15,955 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:17:15,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 00:17:15,955 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:17:15,955 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:17:15,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:17:15,956 INFO L229 MonitoredProcess]: Starting monitored process 153 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:17:15,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (153)] Waiting until timeout for monitored process [2023-12-03 00:17:21,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:17:21,679 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:17:21,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:17:21,992 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:17:21,993 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:17:22,000 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:17:22,056 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (153)] Ended with exit code 0 [2023-12-03 00:17:22,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:17:22,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2023-12-03 00:17:22,063 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2023-12-03 00:17:22,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 00:17:22,064 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:17:22,064 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:17:22,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:17:22,065 INFO L229 MonitoredProcess]: Starting monitored process 154 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:17:22,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f038f1-e11c-4596-aef9-e6a512f7c302/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (154)] Waiting until timeout for monitored process