./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test2-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/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_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test2-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/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_913b904c-61a1-4bdc-8b13-568511ce207e/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 f0735ebc421a940bb70b06777060abaef432af6ff0cfdeb82bfa2e45a81b4e11 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 03:17:24,947 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 03:17:25,012 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 03:17:25,018 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 03:17:25,019 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 03:17:25,040 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 03:17:25,041 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 03:17:25,042 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 03:17:25,043 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 03:17:25,043 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 03:17:25,044 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 03:17:25,044 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 03:17:25,045 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 03:17:25,045 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 03:17:25,046 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 03:17:25,046 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 03:17:25,047 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 03:17:25,047 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 03:17:25,048 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 03:17:25,048 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 03:17:25,049 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 03:17:25,049 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 03:17:25,050 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 03:17:25,050 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 03:17:25,051 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 03:17:25,051 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 03:17:25,051 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:17:25,052 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 03:17:25,052 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 03:17:25,053 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 03:17:25,053 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 03:17:25,053 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 03:17:25,054 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 03:17:25,054 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_913b904c-61a1-4bdc-8b13-568511ce207e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f0735ebc421a940bb70b06777060abaef432af6ff0cfdeb82bfa2e45a81b4e11 [2023-12-03 03:17:25,263 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 03:17:25,283 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 03:17:25,285 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 03:17:25,286 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 03:17:25,287 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 03:17:25,288 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test2-1.i [2023-12-03 03:17:28,053 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 03:17:28,339 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 03:17:28,339 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test2-1.i [2023-12-03 03:17:28,357 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/data/7b64f1ec6/082a548fa62e4231919ea20598143814/FLAG29641d974 [2023-12-03 03:17:28,372 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/data/7b64f1ec6/082a548fa62e4231919ea20598143814 [2023-12-03 03:17:28,375 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 03:17:28,376 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 03:17:28,377 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 03:17:28,378 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 03:17:28,382 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 03:17:28,383 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:17:28" (1/1) ... [2023-12-03 03:17:28,384 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49d5618b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:17:28, skipping insertion in model container [2023-12-03 03:17:28,385 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:17:28" (1/1) ... [2023-12-03 03:17:28,470 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:17:28,913 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_913b904c-61a1-4bdc-8b13-568511ce207e/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test2-1.i[37019,37032] [2023-12-03 03:17:29,002 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_913b904c-61a1-4bdc-8b13-568511ce207e/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test2-1.i[47352,47365] [2023-12-03 03:17:29,009 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:17:29,020 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 03:17:29,054 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_913b904c-61a1-4bdc-8b13-568511ce207e/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test2-1.i[37019,37032] [2023-12-03 03:17:29,101 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_913b904c-61a1-4bdc-8b13-568511ce207e/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test2-1.i[47352,47365] [2023-12-03 03:17:29,105 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:17:29,147 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:17:29,155 INFO L206 MainTranslator]: Completed translation [2023-12-03 03:17:29,155 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:17:29 WrapperNode [2023-12-03 03:17:29,156 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 03:17:29,157 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 03:17:29,157 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 03:17:29,157 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 03:17:29,165 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:17:29" (1/1) ... [2023-12-03 03:17:29,199 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:17:29" (1/1) ... [2023-12-03 03:17:29,256 INFO L138 Inliner]: procedures = 208, calls = 235, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1207 [2023-12-03 03:17:29,257 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 03:17:29,258 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 03:17:29,258 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 03:17:29,258 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 03:17:29,269 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:17:29" (1/1) ... [2023-12-03 03:17:29,269 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:17:29" (1/1) ... [2023-12-03 03:17:29,279 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:17:29" (1/1) ... [2023-12-03 03:17:29,280 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:17:29" (1/1) ... [2023-12-03 03:17:29,325 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:17:29" (1/1) ... [2023-12-03 03:17:29,341 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:17:29" (1/1) ... [2023-12-03 03:17:29,347 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:17:29" (1/1) ... [2023-12-03 03:17:29,354 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:17:29" (1/1) ... [2023-12-03 03:17:29,366 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 03:17:29,368 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 03:17:29,368 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 03:17:29,368 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 03:17:29,369 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:17:29" (1/1) ... [2023-12-03 03:17:29,375 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:17:29,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 03:17:29,401 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 03:17:29,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 03:17:29,438 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-03 03:17:29,439 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-03 03:17:29,439 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 03:17:29,439 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-12-03 03:17:29,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-03 03:17:29,440 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 03:17:29,440 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 03:17:29,440 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 03:17:29,440 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 03:17:29,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 03:17:29,440 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 03:17:29,441 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 03:17:29,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-03 03:17:29,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 03:17:29,441 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 03:17:29,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 03:17:29,617 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 03:17:29,619 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 03:17:30,815 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 03:17:32,142 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 03:17:32,142 INFO L309 CfgBuilder]: Removed 54 assume(true) statements. [2023-12-03 03:17:32,144 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:17:32 BoogieIcfgContainer [2023-12-03 03:17:32,144 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 03:17:32,145 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 03:17:32,145 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 03:17:32,155 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 03:17:32,155 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:17:32" (1/1) ... [2023-12-03 03:17:32,164 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 03:17:32,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:17:32,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 116 states and 196 transitions. [2023-12-03 03:17:32,226 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 196 transitions. [2023-12-03 03:17:32,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-03 03:17:32,228 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:17:32,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:17:32,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:17:32,398 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 03:17:32,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:17:32,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 116 states and 191 transitions. [2023-12-03 03:17:32,417 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 191 transitions. [2023-12-03 03:17:32,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 03:17:32,421 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:17:32,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:17:32,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:17:32,565 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 03:17:32,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:17:32,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 118 states and 190 transitions. [2023-12-03 03:17:32,606 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 190 transitions. [2023-12-03 03:17:32,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-03 03:17:32,607 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:17:32,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:17:32,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:17:32,700 INFO L262 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:17:32,705 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:17:32,713 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 03:17:32,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:17:32,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 118 states and 186 transitions. [2023-12-03 03:17:32,723 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 186 transitions. [2023-12-03 03:17:32,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-03 03:17:32,724 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:17:32,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:17:32,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:17:32,835 INFO L262 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:17:32,838 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:17:32,871 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 03:17:42,896 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 03:17:42,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:17:42,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 118 states and 180 transitions. [2023-12-03 03:17:42,923 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 180 transitions. [2023-12-03 03:17:42,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 03:17:42,925 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:17:42,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:17:43,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:17:43,080 INFO L262 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:17:43,082 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:17:43,086 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 03:17:43,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:17:43,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 118 states and 174 transitions. [2023-12-03 03:17:43,093 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 174 transitions. [2023-12-03 03:17:43,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-12-03 03:17:43,095 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:17:43,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:17:43,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:17:43,268 INFO L262 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:17:43,271 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:17:43,276 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 03:17:53,299 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 03:17:53,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:17:53,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 118 states and 166 transitions. [2023-12-03 03:17:53,419 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 166 transitions. [2023-12-03 03:17:53,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 03:17:53,421 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:17:53,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:17:53,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:17:53,733 INFO L262 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:17:53,737 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:17:53,824 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 03:18:04,028 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:18:14,060 WARN L539 Checker$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 03:18:24,107 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:18:34,136 WARN L539 Checker$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 03:18:34,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:18:34,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 131 states and 181 transitions. [2023-12-03 03:18:34,179 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 181 transitions. [2023-12-03 03:18:34,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 03:18:34,182 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:18:34,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:18:34,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:18:34,425 INFO L262 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:18:34,427 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:18:34,430 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 03:18:34,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:18:34,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 131 states and 179 transitions. [2023-12-03 03:18:34,440 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 179 transitions. [2023-12-03 03:18:34,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-12-03 03:18:34,442 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:18:34,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:18:34,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:18:34,747 INFO L262 TraceCheckSpWp]: Trace formula consists of 415 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:18:34,750 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:18:34,754 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 03:18:44,765 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:18:44,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:18:44,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 131 states and 177 transitions. [2023-12-03 03:18:44,801 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 177 transitions. [2023-12-03 03:18:44,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 03:18:44,802 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:18:44,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:18:45,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:18:45,084 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:18:45,087 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:18:45,162 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:18:55,178 WARN L539 Checker$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 03:19:05,236 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:19:15,265 WARN L539 Checker$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 03:19:25,304 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:19:25,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:19:25,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 134 states and 179 transitions. [2023-12-03 03:19:25,347 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 179 transitions. [2023-12-03 03:19:25,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-03 03:19:25,348 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:19:25,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:19:25,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:19:25,692 INFO L262 TraceCheckSpWp]: Trace formula consists of 548 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:19:25,695 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:19:25,828 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 03:19:35,951 WARN L539 Checker$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 03:19:45,982 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:19:56,012 WARN L539 Checker$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 03:20:06,038 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:20:16,601 WARN L539 Checker$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 03:20:26,649 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:20:36,699 WARN L539 Checker$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 03:20:46,729 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:20:46,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:20:46,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 180 states and 238 transitions. [2023-12-03 03:20:46,761 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 238 transitions. [2023-12-03 03:20:46,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-12-03 03:20:46,763 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:20:46,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:20:47,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:20:47,036 INFO L262 TraceCheckSpWp]: Trace formula consists of 562 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:20:47,038 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:20:47,041 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 03:20:57,064 WARN L539 Checker$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 03:20:57,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:20:57,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 180 states and 236 transitions. [2023-12-03 03:20:57,101 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 236 transitions. [2023-12-03 03:20:57,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-12-03 03:20:57,102 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:20:57,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:20:57,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:20:57,375 INFO L262 TraceCheckSpWp]: Trace formula consists of 548 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:20:57,377 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:20:57,381 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 03:20:57,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:20:57,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 180 states and 232 transitions. [2023-12-03 03:20:57,392 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 232 transitions. [2023-12-03 03:20:57,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-03 03:20:57,393 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:20:57,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:20:57,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:20:57,690 INFO L262 TraceCheckSpWp]: Trace formula consists of 571 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:20:57,693 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:20:57,771 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 03:21:07,787 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:21:17,833 WARN L539 Checker$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 03:21:27,868 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:21:37,898 WARN L539 Checker$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 03:21:37,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:21:37,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 183 states and 234 transitions. [2023-12-03 03:21:37,947 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 234 transitions. [2023-12-03 03:21:37,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-03 03:21:37,947 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:21:37,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:21:38,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:21:38,263 INFO L262 TraceCheckSpWp]: Trace formula consists of 589 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:21:38,265 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:21:38,269 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 03:21:38,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:21:38,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 183 states and 232 transitions. [2023-12-03 03:21:38,355 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 232 transitions. [2023-12-03 03:21:38,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-03 03:21:38,356 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:21:38,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:21:38,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:21:38,669 INFO L262 TraceCheckSpWp]: Trace formula consists of 571 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:21:38,672 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:21:38,764 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 03:21:48,784 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:21:58,842 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:22:08,870 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:22:18,898 WARN L539 Checker$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 03:22:18,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:22:18,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 166 states and 211 transitions. [2023-12-03 03:22:18,944 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 211 transitions. [2023-12-03 03:22:18,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 03:22:18,945 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:22:18,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:22:26,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:22:26,625 INFO L262 TraceCheckSpWp]: Trace formula consists of 574 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:22:26,628 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:22:26,711 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:22:26,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:22:26,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 168 states and 212 transitions. [2023-12-03 03:22:26,864 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 212 transitions. [2023-12-03 03:22:26,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-03 03:22:26,865 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:22:26,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:22:37,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-03 03:22:37,169 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 03:22:37,173 INFO L158 Benchmark]: Toolchain (without parser) took 308796.66ms. Allocated memory was 165.7MB in the beginning and 272.6MB in the end (delta: 107.0MB). Free memory was 133.1MB in the beginning and 87.4MB in the end (delta: 45.7MB). Peak memory consumption was 155.8MB. Max. memory is 16.1GB. [2023-12-03 03:22:37,173 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 117.4MB. Free memory is still 72.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:22:37,174 INFO L158 Benchmark]: CACSL2BoogieTranslator took 778.55ms. Allocated memory is still 165.7MB. Free memory was 132.7MB in the beginning and 98.0MB in the end (delta: 34.7MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2023-12-03 03:22:37,175 INFO L158 Benchmark]: Boogie Procedure Inliner took 100.53ms. Allocated memory is still 165.7MB. Free memory was 98.0MB in the beginning and 90.0MB in the end (delta: 8.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-12-03 03:22:37,175 INFO L158 Benchmark]: Boogie Preprocessor took 108.93ms. Allocated memory is still 165.7MB. Free memory was 90.0MB in the beginning and 82.0MB in the end (delta: 8.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-12-03 03:22:37,176 INFO L158 Benchmark]: RCFGBuilder took 2776.70ms. Allocated memory was 165.7MB in the beginning and 205.5MB in the end (delta: 39.8MB). Free memory was 82.0MB in the beginning and 111.9MB in the end (delta: -29.9MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB. [2023-12-03 03:22:37,177 INFO L158 Benchmark]: CodeCheck took 305027.04ms. Allocated memory was 205.5MB in the beginning and 272.6MB in the end (delta: 67.1MB). Free memory was 110.9MB in the beginning and 87.4MB in the end (delta: 23.5MB). Peak memory consumption was 91.6MB. Max. memory is 16.1GB. [2023-12-03 03:22:37,180 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 117.4MB. Free memory is still 72.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 778.55ms. Allocated memory is still 165.7MB. Free memory was 132.7MB in the beginning and 98.0MB in the end (delta: 34.7MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 100.53ms. Allocated memory is still 165.7MB. Free memory was 98.0MB in the beginning and 90.0MB in the end (delta: 8.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 108.93ms. Allocated memory is still 165.7MB. Free memory was 90.0MB in the beginning and 82.0MB in the end (delta: 8.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 2776.70ms. Allocated memory was 165.7MB in the beginning and 205.5MB in the end (delta: 39.8MB). Free memory was 82.0MB in the beginning and 111.9MB in the end (delta: -29.9MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB. * CodeCheck took 305027.04ms. Allocated memory was 205.5MB in the beginning and 272.6MB in the end (delta: 67.1MB). Free memory was 110.9MB in the beginning and 87.4MB in the end (delta: 23.5MB). Peak memory consumption was 91.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 03:22:37,386 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/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_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/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_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test2-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/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_913b904c-61a1-4bdc-8b13-568511ce207e/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 f0735ebc421a940bb70b06777060abaef432af6ff0cfdeb82bfa2e45a81b4e11 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 03:22:39,046 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 03:22:39,123 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-03 03:22:39,154 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 03:22:39,155 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 03:22:39,155 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 03:22:39,156 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 03:22:39,157 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 03:22:39,157 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 03:22:39,158 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 03:22:39,159 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 03:22:39,159 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 03:22:39,160 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 03:22:39,161 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 03:22:39,161 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 03:22:39,162 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 03:22:39,163 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 03:22:39,163 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 03:22:39,164 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 03:22:39,164 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 03:22:39,165 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 03:22:39,165 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 03:22:39,166 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 03:22:39,166 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 03:22:39,167 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 03:22:39,167 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 03:22:39,167 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 03:22:39,168 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 03:22:39,168 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:22:39,169 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 03:22:39,169 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 03:22:39,169 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 03:22:39,170 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 03:22:39,170 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 03:22:39,170 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 03:22:39,170 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 03:22:39,171 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 03:22:39,171 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_913b904c-61a1-4bdc-8b13-568511ce207e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f0735ebc421a940bb70b06777060abaef432af6ff0cfdeb82bfa2e45a81b4e11 [2023-12-03 03:22:39,457 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 03:22:39,480 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 03:22:39,482 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 03:22:39,484 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 03:22:39,484 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 03:22:39,485 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test2-1.i [2023-12-03 03:22:42,252 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 03:22:42,547 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 03:22:42,547 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test2-1.i [2023-12-03 03:22:42,567 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/data/465b5f7ab/8a92913def8e4dc5a5299a9414437865/FLAG3b7f3d6af [2023-12-03 03:22:42,583 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/data/465b5f7ab/8a92913def8e4dc5a5299a9414437865 [2023-12-03 03:22:42,586 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 03:22:42,587 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 03:22:42,589 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 03:22:42,589 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 03:22:42,593 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 03:22:42,593 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:22:42" (1/1) ... [2023-12-03 03:22:42,595 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4122d0a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:22:42, skipping insertion in model container [2023-12-03 03:22:42,595 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:22:42" (1/1) ... [2023-12-03 03:22:42,665 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:22:43,056 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_913b904c-61a1-4bdc-8b13-568511ce207e/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test2-1.i[37019,37032] [2023-12-03 03:22:43,161 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_913b904c-61a1-4bdc-8b13-568511ce207e/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test2-1.i[47352,47365] [2023-12-03 03:22:43,167 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:22:43,182 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-03 03:22:43,194 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:22:43,226 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_913b904c-61a1-4bdc-8b13-568511ce207e/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test2-1.i[37019,37032] [2023-12-03 03:22:43,311 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_913b904c-61a1-4bdc-8b13-568511ce207e/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test2-1.i[47352,47365] [2023-12-03 03:22:43,314 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:22:43,318 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 03:22:43,344 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_913b904c-61a1-4bdc-8b13-568511ce207e/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test2-1.i[37019,37032] [2023-12-03 03:22:43,379 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test2-1.i[47352,47365] [2023-12-03 03:22:43,381 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:22:43,424 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:22:43,431 INFO L206 MainTranslator]: Completed translation [2023-12-03 03:22:43,432 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:22:43 WrapperNode [2023-12-03 03:22:43,432 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 03:22:43,433 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 03:22:43,433 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 03:22:43,433 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 03:22:43,441 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:22:43" (1/1) ... [2023-12-03 03:22:43,470 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:22:43" (1/1) ... [2023-12-03 03:22:43,515 INFO L138 Inliner]: procedures = 211, calls = 235, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 887 [2023-12-03 03:22:43,515 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 03:22:43,516 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 03:22:43,516 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 03:22:43,517 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 03:22:43,526 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:22:43" (1/1) ... [2023-12-03 03:22:43,526 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:22:43" (1/1) ... [2023-12-03 03:22:43,536 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:22:43" (1/1) ... [2023-12-03 03:22:43,537 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:22:43" (1/1) ... [2023-12-03 03:22:43,594 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:22:43" (1/1) ... [2023-12-03 03:22:43,603 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:22:43" (1/1) ... [2023-12-03 03:22:43,608 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:22:43" (1/1) ... [2023-12-03 03:22:43,614 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:22:43" (1/1) ... [2023-12-03 03:22:43,622 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 03:22:43,623 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 03:22:43,623 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 03:22:43,624 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 03:22:43,625 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:22:43" (1/1) ... [2023-12-03 03:22:43,630 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:22:43,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 03:22:43,658 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 03:22:43,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 03:22:43,695 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-12-03 03:22:43,696 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 03:22:43,696 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-03 03:22:43,696 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-03 03:22:43,696 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 03:22:43,696 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-12-03 03:22:43,697 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-03 03:22:43,697 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 03:22:43,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 03:22:43,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 03:22:43,697 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 03:22:43,698 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 03:22:43,698 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 03:22:43,698 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 03:22:43,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-03 03:22:43,698 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 03:22:43,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 03:22:43,882 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 03:22:43,884 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 03:22:58,908 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 03:22:59,265 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 03:22:59,265 INFO L309 CfgBuilder]: Removed 54 assume(true) statements. [2023-12-03 03:22:59,266 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:22:59 BoogieIcfgContainer [2023-12-03 03:22:59,267 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 03:22:59,268 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 03:22:59,268 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 03:22:59,275 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 03:22:59,275 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:22:59" (1/1) ... [2023-12-03 03:22:59,283 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 03:22:59,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:22:59,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 116 states and 196 transitions. [2023-12-03 03:22:59,333 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 196 transitions. [2023-12-03 03:22:59,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-03 03:22:59,334 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:22:59,335 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:22:59,335 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:22:59,336 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:22:59,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 03:22:59,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:22:59,593 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:22:59,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:22:59,660 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:22:59,664 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:22:59,682 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 03:22:59,688 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 03:22:59,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:22:59,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 116 states and 191 transitions. [2023-12-03 03:22:59,714 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 191 transitions. [2023-12-03 03:22:59,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 03:22:59,717 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:22:59,718 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:22:59,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:22:59,719 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:22:59,733 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 03:22:59,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:22:59,965 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:23:00,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:23:00,032 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:23:00,033 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:23:00,036 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 03:23:00,038 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 03:23:00,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:23:00,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 116 states and 187 transitions. [2023-12-03 03:23:00,175 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 187 transitions. [2023-12-03 03:23:00,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 03:23:00,177 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:23:00,177 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:23:00,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:23:00,178 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:23:00,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 03:23:00,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:23:00,423 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:23:00,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:23:00,479 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:23:00,481 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:23:00,484 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 03:23:00,487 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-03 03:23:00,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:23:00,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 116 states and 185 transitions. [2023-12-03 03:23:00,495 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 185 transitions. [2023-12-03 03:23:00,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-03 03:23:00,496 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:23:00,497 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:23:00,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:23:00,498 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:23:00,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-03 03:23:00,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:23:00,781 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:23:00,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:23:00,863 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:23:00,865 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:23:00,869 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 03:23:00,872 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-03 03:23:00,878 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 03:23:00,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:23:00,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 116 states and 183 transitions. [2023-12-03 03:23:00,903 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 183 transitions. [2023-12-03 03:23:00,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 03:23:00,905 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:23:00,905 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:23:00,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:23:00,907 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:23:00,909 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-03 03:23:01,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:23:01,295 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:23:01,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:23:01,407 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:23:01,410 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:23:01,453 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-03 03:23:01,454 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-03 03:23:01,455 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-03 03:23:01,465 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 03:23:01,555 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 03:23:01,555 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 03:23:01,580 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 03:23:01,584 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-03 03:23:01,584 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 03:23:02,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:23:02,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 118 states and 186 transitions. [2023-12-03 03:23:02,225 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 186 transitions. [2023-12-03 03:23:02,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-03 03:23:02,226 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:23:02,227 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:23:02,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:23:02,228 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:23:02,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-03 03:23:02,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:23:02,512 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:23:02,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:23:02,664 INFO L262 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:23:02,666 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:23:02,669 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 03:23:02,673 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-03 03:23:02,673 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 03:23:02,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:23:02,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 118 states and 184 transitions. [2023-12-03 03:23:02,683 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 184 transitions. [2023-12-03 03:23:02,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-03 03:23:02,684 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:23:02,685 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:23:02,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:23:02,686 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:23:02,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-03 03:23:02,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:23:02,987 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:23:03,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:23:03,137 INFO L262 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:23:03,140 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:23:03,143 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 03:23:03,146 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 03:23:03,146 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-03 03:23:03,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:23:03,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 118 states and 180 transitions. [2023-12-03 03:23:03,155 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 180 transitions. [2023-12-03 03:23:03,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 03:23:03,157 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:23:03,157 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:23:03,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:23:03,158 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:23:03,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-03 03:23:03,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:23:03,516 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:23:03,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:23:03,682 INFO L262 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:23:03,684 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:23:03,687 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 03:23:03,694 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-12-03 03:23:03,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:23:03,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 118 states and 174 transitions. [2023-12-03 03:23:03,705 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 174 transitions. [2023-12-03 03:23:03,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-12-03 03:23:03,706 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:23:03,707 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:23:03,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:23:03,708 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:23:03,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-03 03:23:04,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:23:04,131 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:23:04,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:23:04,388 INFO L262 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:23:04,391 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:23:04,395 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 03:23:04,399 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2023-12-03 03:23:05,563 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 03:23:05,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:23:05,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 118 states and 168 transitions. [2023-12-03 03:23:05,577 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 168 transitions. [2023-12-03 03:23:05,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 03:23:05,578 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:23:05,578 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:23:05,579 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:23:05,579 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:23:05,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-03 03:23:06,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:23:06,002 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:23:06,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:23:06,285 INFO L262 TraceCheckSpWp]: Trace formula consists of 371 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:23:06,288 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:23:06,443 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:23:06,448 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2023-12-03 03:23:07,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:23:07,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 131 states and 183 transitions. [2023-12-03 03:23:07,481 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 183 transitions. [2023-12-03 03:23:07,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 03:23:07,482 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:23:07,482 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:23:07,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:23:07,483 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:23:07,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-03 03:23:07,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:23:07,919 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:23:08,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:23:08,132 INFO L262 TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:23:08,134 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:23:08,138 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 03:23:08,143 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2023-12-03 03:23:08,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:23:08,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 131 states and 181 transitions. [2023-12-03 03:23:08,152 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 181 transitions. [2023-12-03 03:23:08,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 03:23:08,153 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:23:08,153 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:23:08,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:23:08,154 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:23:08,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-12-03 03:23:08,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:23:08,632 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:23:08,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:23:08,859 INFO L262 TraceCheckSpWp]: Trace formula consists of 368 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:23:08,860 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:23:08,862 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 03:23:08,867 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2023-12-03 03:23:08,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:23:08,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 131 states and 179 transitions. [2023-12-03 03:23:08,878 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 179 transitions. [2023-12-03 03:23:08,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-12-03 03:23:08,878 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:23:08,879 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:23:08,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:23:08,880 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:23:08,881 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-12-03 03:23:09,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:23:09,411 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:23:09,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:23:09,670 INFO L262 TraceCheckSpWp]: Trace formula consists of 379 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:23:09,672 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:23:09,674 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 03:23:09,679 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2023-12-03 03:23:09,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:23:09,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 131 states and 177 transitions. [2023-12-03 03:23:09,688 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 177 transitions. [2023-12-03 03:23:09,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 03:23:09,688 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:23:09,688 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:23:09,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:23:09,689 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:23:09,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-12-03 03:23:10,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:23:10,255 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:23:10,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:23:10,550 INFO L262 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:23:10,552 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:23:10,704 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 03:23:10,710 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2023-12-03 03:23:10,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:23:10,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 134 states and 179 transitions. [2023-12-03 03:23:10,732 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 179 transitions. [2023-12-03 03:23:10,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-03 03:23:10,733 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:23:10,733 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:23:10,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:23:10,734 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:23:10,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2023-12-03 03:23:11,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:23:11,473 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:23:11,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:23:11,793 INFO L262 TraceCheckSpWp]: Trace formula consists of 502 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:23:11,796 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:23:12,088 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 03:23:12,096 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2023-12-03 03:23:23,377 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 03:23:33,401 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 03:23:43,426 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 03:23:53,450 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 03:23:56,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:23:56,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 180 states and 238 transitions. [2023-12-03 03:23:56,649 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 238 transitions. [2023-12-03 03:23:56,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-12-03 03:23:56,650 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:23:56,650 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:23:56,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:23:56,651 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:23:56,652 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2023-12-03 03:23:57,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:23:57,359 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:23:57,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:23:57,707 INFO L262 TraceCheckSpWp]: Trace formula consists of 504 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:23:57,708 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:23:57,711 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 03:23:57,717 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2023-12-03 03:23:57,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:23:57,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 180 states and 234 transitions. [2023-12-03 03:23:57,734 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 234 transitions. [2023-12-03 03:23:57,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-12-03 03:23:57,735 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:23:57,735 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:23:57,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:23:57,736 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:23:57,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2023-12-03 03:23:58,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:23:58,523 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:23:58,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:23:58,884 INFO L262 TraceCheckSpWp]: Trace formula consists of 510 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:23:58,885 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:23:58,888 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 03:23:58,897 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2023-12-03 03:23:58,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:23:58,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 180 states and 232 transitions. [2023-12-03 03:23:58,911 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 232 transitions. [2023-12-03 03:23:58,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-03 03:23:58,912 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:23:58,912 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:23:58,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:23:58,913 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:23:58,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2023-12-03 03:23:59,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:23:59,687 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:24:00,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:00,045 INFO L262 TraceCheckSpWp]: Trace formula consists of 513 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:24:00,047 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:24:00,232 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 03:24:00,241 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2023-12-03 03:24:00,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:24:00,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 163 states and 211 transitions. [2023-12-03 03:24:00,264 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 211 transitions. [2023-12-03 03:24:00,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-03 03:24:00,265 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:24:00,265 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:24:00,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:24:00,266 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:24:00,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2023-12-03 03:24:01,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:01,077 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:24:01,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:01,472 INFO L262 TraceCheckSpWp]: Trace formula consists of 513 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:24:01,474 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:24:01,670 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 03:24:01,680 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2023-12-03 03:24:01,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:24:01,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 166 states and 213 transitions. [2023-12-03 03:24:01,697 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 213 transitions. [2023-12-03 03:24:01,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-03 03:24:01,698 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:24:01,698 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:24:01,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:24:01,699 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:24:01,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2023-12-03 03:24:02,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:02,558 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:24:02,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:02,906 INFO L262 TraceCheckSpWp]: Trace formula consists of 530 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:24:02,910 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:24:02,914 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 03:24:02,926 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2023-12-03 03:24:12,950 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 03:24:12,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:24:12,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 166 states and 211 transitions. [2023-12-03 03:24:12,981 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 211 transitions. [2023-12-03 03:24:12,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 03:24:12,982 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:24:12,982 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:24:12,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:24:12,983 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:24:12,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2023-12-03 03:24:14,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:14,128 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:24:14,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:14,470 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:24:14,473 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:24:14,669 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:24:14,680 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2023-12-03 03:24:14,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:24:14,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 03:24:14,905 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 03:24:14,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 03:24:14,906 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:24:14,906 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:24:14,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:24:14,907 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:24:14,909 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2023-12-03 03:24:15,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:15,909 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:24:16,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:16,267 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:24:16,269 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:24:16,282 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:24:16,297 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Forceful destruction successful, exit code 0 [2023-12-03 03:24:16,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:24:16,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 03:24:16,312 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 03:24:16,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 03:24:16,313 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:24:16,314 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:24:16,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:24:16,315 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:24:16,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2023-12-03 03:24:17,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:17,304 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:24:17,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:17,683 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:24:17,685 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:24:17,696 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:24:17,713 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2023-12-03 03:24:17,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:24:17,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 03:24:17,726 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 03:24:17,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 03:24:17,727 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:24:17,727 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:24:17,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:24:17,728 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:24:17,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2023-12-03 03:24:18,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:18,794 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:24:19,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:19,127 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:24:19,129 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:24:19,142 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:24:19,157 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2023-12-03 03:24:19,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:24:19,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 03:24:19,171 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 03:24:19,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 03:24:19,172 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:24:19,172 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:24:19,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:24:19,173 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:24:19,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2023-12-03 03:24:20,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:20,283 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:24:20,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:20,657 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:24:20,659 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:24:20,670 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 03:24:20,686 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2023-12-03 03:24:20,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:24:20,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 03:24:20,698 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 03:24:20,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 03:24:20,699 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:24:20,699 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:24:20,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:24:20,700 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:24:20,701 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2023-12-03 03:24:21,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:21,806 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:24:22,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:22,155 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:24:22,157 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:24:22,181 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:24:22,197 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2023-12-03 03:24:22,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:24:22,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 03:24:22,210 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 03:24:22,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 03:24:22,211 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:24:22,211 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:24:22,211 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:24:22,212 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:24:22,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2023-12-03 03:24:23,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:23,354 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:24:23,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:23,709 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:24:23,711 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:24:23,722 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:24:23,738 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2023-12-03 03:24:23,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:24:23,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 03:24:23,751 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 03:24:23,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 03:24:23,752 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:24:23,752 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:24:23,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:24:23,753 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:24:23,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2023-12-03 03:24:24,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:24,795 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:24:25,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:25,150 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:24:25,152 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:24:25,163 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:24:25,180 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Forceful destruction successful, exit code 0 [2023-12-03 03:24:25,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:24:25,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 03:24:25,193 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 03:24:25,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 03:24:25,193 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:24:25,194 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:24:25,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:24:25,195 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:24:25,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2023-12-03 03:24:26,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:26,386 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:24:26,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:26,715 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:24:26,717 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:24:26,728 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:24:26,746 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2023-12-03 03:24:26,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:24:26,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 03:24:26,760 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 03:24:26,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 03:24:26,761 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:24:26,761 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:24:26,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:24:26,762 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:24:26,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2023-12-03 03:24:28,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:28,052 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:24:28,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:28,363 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:24:28,365 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:24:28,377 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:24:28,397 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2023-12-03 03:24:28,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:24:28,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 03:24:28,409 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 03:24:28,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 03:24:28,410 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:24:28,410 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:24:28,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:24:28,411 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:24:28,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2023-12-03 03:24:29,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:29,655 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:24:29,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:29,993 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:24:29,995 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:24:30,009 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:24:30,030 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2023-12-03 03:24:30,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:24:30,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 03:24:30,048 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 03:24:30,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 03:24:30,049 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:24:30,049 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:24:30,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:24:30,050 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:24:30,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2023-12-03 03:24:31,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:31,446 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:24:31,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:31,800 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:24:31,802 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:24:31,816 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:24:31,837 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Forceful destruction successful, exit code 0 [2023-12-03 03:24:31,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:24:31,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 03:24:31,849 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 03:24:31,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 03:24:31,849 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:24:31,849 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:24:31,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:24:31,850 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:24:31,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2023-12-03 03:24:33,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:33,281 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:24:33,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:33,592 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:24:33,594 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:24:33,606 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:24:33,631 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2023-12-03 03:24:33,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:24:33,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 03:24:33,643 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 03:24:33,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 03:24:33,644 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:24:33,644 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:24:33,644 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:24:33,645 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:24:33,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2023-12-03 03:24:35,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:35,082 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:24:35,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:35,426 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:24:35,427 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:24:35,437 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:24:35,459 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2023-12-03 03:24:35,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:24:35,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 03:24:35,468 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 03:24:35,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 03:24:35,469 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:24:35,469 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:24:35,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:24:35,470 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:24:35,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2023-12-03 03:24:37,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:37,094 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:24:37,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:37,448 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:24:37,449 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:24:37,461 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:24:37,485 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2023-12-03 03:24:37,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:24:37,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 03:24:37,513 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 03:24:37,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 03:24:37,513 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:24:37,513 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:24:37,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:24:37,514 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:24:37,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2023-12-03 03:24:38,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:38,994 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:24:39,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:39,366 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:24:39,368 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:24:39,382 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:24:39,405 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2023-12-03 03:24:39,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:24:39,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 03:24:39,421 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 03:24:39,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 03:24:39,422 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:24:39,422 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:24:39,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:24:39,423 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:24:39,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2023-12-03 03:24:40,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:40,740 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:24:41,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:41,078 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:24:41,079 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:24:41,090 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:24:41,113 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2023-12-03 03:24:41,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:24:41,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 03:24:41,124 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 03:24:41,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 03:24:41,125 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:24:41,125 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:24:41,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:24:41,126 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:24:41,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2023-12-03 03:24:42,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:42,799 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:24:43,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:43,127 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:24:43,130 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:24:43,144 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 03:24:43,172 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2023-12-03 03:24:43,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:24:43,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 03:24:43,181 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 03:24:43,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 03:24:43,182 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:24:43,182 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:24:43,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:24:43,183 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:24:43,184 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2023-12-03 03:24:44,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:44,838 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:24:45,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:45,178 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:24:45,180 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:24:45,192 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:24:45,219 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2023-12-03 03:24:45,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:24:45,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 03:24:45,230 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 03:24:45,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 03:24:45,230 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:24:45,230 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:24:45,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:24:45,231 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:24:45,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2023-12-03 03:24:46,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:46,855 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:24:47,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:47,199 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:24:47,201 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:24:47,213 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:24:47,243 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2023-12-03 03:24:47,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:24:47,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 03:24:47,257 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 03:24:47,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 03:24:47,258 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:24:47,258 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:24:47,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:24:47,259 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:24:47,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2023-12-03 03:24:48,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:49,008 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:24:49,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:49,339 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:24:49,340 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:24:49,353 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 03:24:49,384 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2023-12-03 03:24:49,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:24:49,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 03:24:49,394 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 03:24:49,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 03:24:49,394 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:24:49,394 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:24:49,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:24:49,395 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:24:49,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2023-12-03 03:24:51,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:51,273 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:24:51,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:51,608 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:24:51,610 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:24:51,621 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:24:51,654 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2023-12-03 03:24:51,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:24:51,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 03:24:51,664 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 03:24:51,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 03:24:51,665 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:24:51,665 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:24:51,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:24:51,666 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:24:51,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2023-12-03 03:24:53,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:53,558 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:24:53,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:53,888 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:24:53,890 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:24:53,901 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:24:53,929 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2023-12-03 03:24:53,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:24:53,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 03:24:53,939 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 03:24:53,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 03:24:53,940 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:24:53,940 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:24:53,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:24:53,941 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:24:53,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2023-12-03 03:24:55,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:55,844 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:24:56,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:56,195 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:24:56,197 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:24:56,208 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:24:56,237 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2023-12-03 03:24:56,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:24:56,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 03:24:56,248 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 03:24:56,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 03:24:56,248 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:24:56,248 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:24:56,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:24:56,249 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:24:56,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2023-12-03 03:24:58,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:58,169 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:24:58,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:58,498 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:24:58,499 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:24:58,510 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 03:24:58,541 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2023-12-03 03:24:58,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:24:58,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 03:24:58,551 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 03:24:58,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 03:24:58,551 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:24:58,552 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:24:58,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:24:58,553 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:24:58,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2023-12-03 03:25:00,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:00,470 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:25:00,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:00,802 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:25:00,803 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:00,816 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:25:00,852 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2023-12-03 03:25:00,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:00,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 03:25:00,865 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 03:25:00,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 03:25:00,866 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:00,866 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:25:00,866 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:25:00,867 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:25:00,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2023-12-03 03:25:02,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:02,933 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:25:03,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:03,290 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:25:03,291 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:03,303 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:25:03,336 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2023-12-03 03:25:03,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:03,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 03:25:03,347 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 03:25:03,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 03:25:03,348 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:03,348 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:25:03,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:25:03,349 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:25:03,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2023-12-03 03:25:05,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:05,431 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:25:05,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:05,770 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:25:05,772 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:05,804 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 03:25:05,836 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2023-12-03 03:25:05,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:05,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 03:25:05,848 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 03:25:05,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 03:25:05,848 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:05,848 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:25:05,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:25:05,849 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:25:05,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2023-12-03 03:25:07,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:07,960 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:25:08,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:08,318 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:25:08,319 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:08,330 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:25:08,364 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2023-12-03 03:25:08,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:08,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 03:25:08,374 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 03:25:08,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 03:25:08,374 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:08,374 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:25:08,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:25:08,375 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:25:08,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2023-12-03 03:25:10,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:10,442 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:25:10,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:10,779 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:25:10,780 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:10,792 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:25:10,826 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2023-12-03 03:25:10,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:10,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 03:25:10,837 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 03:25:10,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 03:25:10,837 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:10,837 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:25:10,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:25:10,838 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:25:10,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2023-12-03 03:25:13,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:13,009 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:25:13,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:13,356 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:25:13,357 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:13,369 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:25:13,404 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Ended with exit code 0 [2023-12-03 03:25:13,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:13,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 03:25:13,415 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 03:25:13,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 03:25:13,416 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:13,416 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:25:13,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:25:13,417 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:25:13,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2023-12-03 03:25:15,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:15,661 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:25:15,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:16,032 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:25:16,033 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:16,044 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:25:16,080 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Ended with exit code 0 [2023-12-03 03:25:16,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:16,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 03:25:16,090 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 03:25:16,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 03:25:16,091 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:16,091 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:25:16,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:25:16,092 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:25:16,093 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2023-12-03 03:25:18,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:18,383 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:25:18,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:18,717 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:25:18,719 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:18,730 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:25:18,767 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Ended with exit code 0 [2023-12-03 03:25:18,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:18,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 03:25:18,777 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 03:25:18,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 03:25:18,778 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:18,778 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:25:18,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:25:18,779 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:25:18,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2023-12-03 03:25:21,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:21,099 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:25:21,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:21,476 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:25:21,478 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:21,489 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:25:21,511 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Ended with exit code 0 [2023-12-03 03:25:21,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:21,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 03:25:21,521 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 03:25:21,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 03:25:21,521 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:21,521 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:25:21,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:25:21,522 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:25:21,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2023-12-03 03:25:24,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:24,090 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:25:24,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:24,447 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:25:24,448 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:24,459 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:25:24,480 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Ended with exit code 0 [2023-12-03 03:25:24,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:24,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 03:25:24,490 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 03:25:24,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 03:25:24,491 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:24,491 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:25:24,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:25:24,492 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:25:24,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2023-12-03 03:25:26,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:26,752 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:25:27,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:27,111 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:25:27,113 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:27,124 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:25:27,151 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Forceful destruction successful, exit code 0 [2023-12-03 03:25:27,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:27,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 03:25:27,165 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 03:25:27,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 03:25:27,166 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:27,166 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:25:27,166 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:25:27,167 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:25:27,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2023-12-03 03:25:29,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:29,632 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:25:29,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:29,979 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:25:29,981 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:29,992 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:25:30,015 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Ended with exit code 0 [2023-12-03 03:25:30,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:30,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 03:25:30,025 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 03:25:30,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 03:25:30,026 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:30,026 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:25:30,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:25:30,027 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:25:30,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2023-12-03 03:25:32,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:32,486 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:25:32,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:32,812 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:25:32,814 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:32,825 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:25:32,848 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Forceful destruction successful, exit code 0 [2023-12-03 03:25:32,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:32,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 03:25:32,864 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 03:25:32,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 03:25:32,865 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:32,865 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:25:32,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:25:32,866 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:25:32,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (60)] Waiting until timeout for monitored process [2023-12-03 03:25:35,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:35,293 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:25:35,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:35,595 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:25:35,596 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:35,607 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:25:35,630 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (60)] Ended with exit code 0 [2023-12-03 03:25:35,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:35,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 03:25:35,661 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 03:25:35,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 03:25:35,662 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:35,662 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:25:35,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:25:35,663 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:25:35,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2023-12-03 03:25:38,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:38,192 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:25:38,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:38,544 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:25:38,545 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:38,555 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:25:38,579 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (61)] Ended with exit code 0 [2023-12-03 03:25:38,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:38,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 03:25:38,589 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 03:25:38,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 03:25:38,590 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:38,590 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:25:38,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:25:38,591 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:25:38,592 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (62)] Waiting until timeout for monitored process [2023-12-03 03:25:41,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:41,114 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:25:41,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:41,445 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:25:41,446 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:41,456 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:25:41,480 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (62)] Ended with exit code 0 [2023-12-03 03:25:41,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:41,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 03:25:41,492 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 03:25:41,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 03:25:41,492 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:41,493 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:25:41,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:25:41,494 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:25:41,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (63)] Waiting until timeout for monitored process [2023-12-03 03:25:44,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:44,062 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:25:44,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:44,394 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:25:44,395 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:44,406 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:25:44,435 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (63)] Forceful destruction successful, exit code 0 [2023-12-03 03:25:44,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:44,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 03:25:44,444 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 03:25:44,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 03:25:44,444 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:44,444 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:25:44,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:25:44,445 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:25:44,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (64)] Waiting until timeout for monitored process [2023-12-03 03:25:47,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:47,016 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:25:47,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:47,366 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:25:47,367 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:47,378 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:25:47,403 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (64)] Ended with exit code 0 [2023-12-03 03:25:47,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:47,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 03:25:47,437 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 03:25:47,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 03:25:47,437 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:47,437 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:25:47,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:25:47,438 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:25:47,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (65)] Waiting until timeout for monitored process [2023-12-03 03:25:50,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:50,144 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:25:50,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:50,495 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:25:50,496 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:50,507 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:25:50,533 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (65)] Ended with exit code 0 [2023-12-03 03:25:50,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:50,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 03:25:50,543 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 03:25:50,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 03:25:50,544 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:50,544 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:25:50,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:25:50,545 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:25:50,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (66)] Waiting until timeout for monitored process [2023-12-03 03:25:53,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:53,369 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:25:53,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:53,724 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:25:53,726 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:53,738 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:25:53,763 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (66)] Ended with exit code 0 [2023-12-03 03:25:53,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:53,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 03:25:53,778 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 03:25:53,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 03:25:53,778 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:53,778 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:25:53,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:25:53,779 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:25:53,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (67)] Waiting until timeout for monitored process [2023-12-03 03:25:56,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:56,692 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:25:56,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:57,022 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:25:57,024 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:57,035 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:25:57,061 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (67)] Forceful destruction successful, exit code 0 [2023-12-03 03:25:57,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:57,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 03:25:57,076 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 03:25:57,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 03:25:57,076 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:57,076 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:25:57,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:25:57,077 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:25:57,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (68)] Waiting until timeout for monitored process [2023-12-03 03:25:59,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:59,737 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:26:00,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:00,102 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:26:00,104 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:26:00,115 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:26:00,142 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (68)] Ended with exit code 0 [2023-12-03 03:26:00,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:00,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 03:26:00,152 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 03:26:00,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 03:26:00,152 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:00,152 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:26:00,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:26:00,153 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:26:00,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (69)] Waiting until timeout for monitored process [2023-12-03 03:26:03,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:03,003 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:26:03,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:03,363 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:26:03,364 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:26:03,375 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:26:03,401 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (69)] Ended with exit code 0 [2023-12-03 03:26:03,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:03,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 03:26:03,411 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 03:26:03,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 03:26:03,412 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:03,412 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:26:03,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:26:03,413 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:26:03,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (70)] Waiting until timeout for monitored process [2023-12-03 03:26:06,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:06,484 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:26:06,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:06,836 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:26:06,837 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:26:06,848 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:26:06,876 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (70)] Ended with exit code 0 [2023-12-03 03:26:06,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:06,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 03:26:06,889 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 03:26:06,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 03:26:06,890 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:06,890 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:26:06,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:26:06,891 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:26:06,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (71)] Waiting until timeout for monitored process [2023-12-03 03:26:09,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:09,752 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:26:10,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:10,144 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:26:10,146 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:26:10,156 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:26:10,184 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (71)] Ended with exit code 0 [2023-12-03 03:26:10,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:10,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 03:26:10,195 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 03:26:10,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 03:26:10,196 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:10,196 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:26:10,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:26:10,197 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:26:10,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (72)] Waiting until timeout for monitored process [2023-12-03 03:26:13,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:13,275 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:26:13,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:13,606 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:26:13,607 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:26:13,618 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:26:13,647 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (72)] Forceful destruction successful, exit code 0 [2023-12-03 03:26:13,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:13,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 03:26:13,657 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 03:26:13,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 03:26:13,658 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:13,658 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:26:13,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:26:13,659 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:26:13,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (73)] Waiting until timeout for monitored process [2023-12-03 03:26:16,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:16,699 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:26:17,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:17,047 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:26:17,048 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:26:17,058 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:26:17,087 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (73)] Ended with exit code 0 [2023-12-03 03:26:17,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:17,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 03:26:17,097 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 03:26:17,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 03:26:17,098 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:17,098 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:26:17,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:26:17,099 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:26:17,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (74)] Waiting until timeout for monitored process [2023-12-03 03:26:20,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:20,134 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:26:20,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:20,487 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:26:20,488 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:26:20,498 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:26:20,527 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (74)] Forceful destruction successful, exit code 0 [2023-12-03 03:26:20,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:20,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 03:26:20,537 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 03:26:20,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 03:26:20,537 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:20,537 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:26:20,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:26:20,538 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:26:20,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (75)] Waiting until timeout for monitored process [2023-12-03 03:26:23,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:23,718 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:26:24,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:24,059 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:26:24,061 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:26:24,072 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:26:24,101 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (75)] Ended with exit code 0 [2023-12-03 03:26:24,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:24,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 03:26:24,111 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 03:26:24,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 03:26:24,111 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:24,112 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:26:24,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:26:24,113 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:26:24,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (76)] Waiting until timeout for monitored process [2023-12-03 03:26:27,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:27,358 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:26:27,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:27,733 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:26:27,735 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:26:27,745 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 03:26:27,774 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (76)] Ended with exit code 0 [2023-12-03 03:26:27,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:27,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 03:26:27,784 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 03:26:27,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 03:26:27,784 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:27,784 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:26:27,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:26:27,785 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:26:27,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (77)] Waiting until timeout for monitored process [2023-12-03 03:26:30,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:30,877 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:26:31,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:31,238 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:26:31,240 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:26:31,251 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:26:31,281 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (77)] Forceful destruction successful, exit code 0 [2023-12-03 03:26:31,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:31,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 03:26:31,292 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 03:26:31,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 03:26:31,292 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:31,293 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:26:31,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:26:31,294 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:26:31,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (78)] Waiting until timeout for monitored process [2023-12-03 03:26:34,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:34,688 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:26:35,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:35,034 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:26:35,035 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:26:35,046 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:26:35,076 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (78)] Ended with exit code 0 [2023-12-03 03:26:35,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:35,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 03:26:35,086 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 03:26:35,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 03:26:35,087 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:35,087 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:26:35,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:26:35,088 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:26:35,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (79)] Waiting until timeout for monitored process [2023-12-03 03:26:38,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:38,258 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:26:38,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:38,592 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:26:38,594 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:26:38,624 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:26:38,655 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (79)] Forceful destruction successful, exit code 0 [2023-12-03 03:26:38,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:38,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 03:26:38,665 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 03:26:38,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 03:26:38,666 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:38,666 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:26:38,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:26:38,667 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:26:38,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (80)] Waiting until timeout for monitored process [2023-12-03 03:26:42,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:42,023 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:26:42,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:42,341 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:26:42,343 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:26:42,354 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:26:42,386 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (80)] Ended with exit code 0 [2023-12-03 03:26:42,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:42,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 03:26:42,396 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 03:26:42,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 03:26:42,397 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:42,397 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:26:42,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:26:42,398 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:26:42,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (81)] Waiting until timeout for monitored process [2023-12-03 03:26:45,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:45,508 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:26:45,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:45,847 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:26:45,848 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:26:45,861 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:26:45,897 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (81)] Ended with exit code 0 [2023-12-03 03:26:45,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:45,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 03:26:45,905 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 03:26:45,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 03:26:45,906 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:45,906 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:26:45,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:26:45,907 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:26:45,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (82)] Waiting until timeout for monitored process [2023-12-03 03:26:49,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:49,248 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:26:49,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:49,604 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:26:49,605 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:26:49,617 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:26:49,648 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (82)] Ended with exit code 0 [2023-12-03 03:26:49,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:49,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 03:26:49,658 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 03:26:49,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 03:26:49,659 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:49,659 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:26:49,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:26:49,660 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:26:49,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (83)] Waiting until timeout for monitored process [2023-12-03 03:26:53,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:53,142 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:26:53,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:53,476 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:26:53,477 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:26:53,488 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:26:53,520 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (83)] Ended with exit code 0 [2023-12-03 03:26:53,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:53,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 03:26:53,530 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 03:26:53,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 03:26:53,531 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:53,531 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:26:53,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:26:53,532 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:26:53,533 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (84)] Waiting until timeout for monitored process [2023-12-03 03:26:56,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:56,790 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:26:57,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:57,183 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:26:57,185 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:26:57,195 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:26:57,227 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (84)] Ended with exit code 0 [2023-12-03 03:26:57,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:57,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 03:26:57,237 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 03:26:57,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 03:26:57,238 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:57,238 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:26:57,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:26:57,239 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:26:57,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (85)] Waiting until timeout for monitored process [2023-12-03 03:27:00,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:00,789 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:01,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:01,110 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:27:01,112 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:01,122 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:27:01,155 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (85)] Ended with exit code 0 [2023-12-03 03:27:01,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:01,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 03:27:01,165 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 03:27:01,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 03:27:01,166 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:01,166 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:01,166 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:01,167 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:01,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (86)] Waiting until timeout for monitored process [2023-12-03 03:27:04,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:04,575 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:04,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:04,925 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:27:04,926 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:04,937 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:27:04,971 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (86)] Ended with exit code 0 [2023-12-03 03:27:04,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:04,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 03:27:04,981 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 03:27:04,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 03:27:04,982 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:04,982 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:04,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:04,983 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:04,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (87)] Waiting until timeout for monitored process [2023-12-03 03:27:08,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:08,376 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:08,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:08,703 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:27:08,705 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:08,715 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:27:08,757 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (87)] Ended with exit code 0 [2023-12-03 03:27:08,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:08,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 03:27:08,766 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 03:27:08,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 03:27:08,766 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:08,767 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:08,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:08,767 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:08,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (88)] Waiting until timeout for monitored process [2023-12-03 03:27:12,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:12,279 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:12,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:12,636 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:27:12,637 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:12,648 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:27:12,689 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (88)] Ended with exit code 0 [2023-12-03 03:27:12,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:12,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 03:27:12,703 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 03:27:12,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 03:27:12,704 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:12,704 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:12,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:12,705 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:12,705 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (89)] Waiting until timeout for monitored process [2023-12-03 03:27:16,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:16,043 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:16,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:16,376 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:27:16,377 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:16,387 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:27:16,424 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (89)] Ended with exit code 0 [2023-12-03 03:27:16,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:16,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 03:27:16,434 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 03:27:16,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 03:27:16,435 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:16,435 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:16,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:16,436 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:16,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (90)] Waiting until timeout for monitored process [2023-12-03 03:27:20,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:20,135 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:20,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:20,463 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:27:20,465 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:20,475 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:27:20,516 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (90)] Ended with exit code 0 [2023-12-03 03:27:20,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:20,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 03:27:20,525 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 03:27:20,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 03:27:20,525 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:20,525 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:20,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:20,526 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:20,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (91)] Waiting until timeout for monitored process [2023-12-03 03:27:23,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:23,979 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:24,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:24,318 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:27:24,320 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:24,330 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:27:24,366 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (91)] Ended with exit code 0 [2023-12-03 03:27:24,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:24,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 03:27:24,376 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 03:27:24,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 03:27:24,377 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:24,377 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:24,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:24,378 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:24,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (92)] Waiting until timeout for monitored process [2023-12-03 03:27:28,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:28,056 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:28,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:28,397 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:27:28,398 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:28,409 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:27:28,445 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (92)] Ended with exit code 0 [2023-12-03 03:27:28,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:28,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 03:27:28,456 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 03:27:28,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 03:27:28,457 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:28,457 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:28,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:28,458 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:28,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (93)] Waiting until timeout for monitored process [2023-12-03 03:27:32,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:32,006 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:32,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:32,325 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:27:32,326 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:32,337 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:27:32,376 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (93)] Ended with exit code 0 [2023-12-03 03:27:32,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:32,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 03:27:32,386 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 03:27:32,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 03:27:32,386 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:32,386 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:32,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:32,387 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:32,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (94)] Waiting until timeout for monitored process [2023-12-03 03:27:36,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:36,290 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:36,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:36,614 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:27:36,615 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:36,625 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:27:36,664 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (94)] Ended with exit code 0 [2023-12-03 03:27:36,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:36,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 03:27:36,674 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 03:27:36,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 03:27:36,675 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:36,675 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:36,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:36,676 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:36,676 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (95)] Waiting until timeout for monitored process [2023-12-03 03:27:40,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:40,478 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:40,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:40,812 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:27:40,813 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:40,824 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:27:40,862 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (95)] Forceful destruction successful, exit code 0 [2023-12-03 03:27:40,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:40,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 03:27:40,872 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 03:27:40,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 03:27:40,872 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:40,872 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:40,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:40,873 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:40,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (96)] Waiting until timeout for monitored process [2023-12-03 03:27:44,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:44,886 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:45,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:45,220 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:27:45,222 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:45,232 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 03:27:45,270 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (96)] Ended with exit code 0 [2023-12-03 03:27:45,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:45,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 03:27:45,280 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 03:27:45,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 03:27:45,280 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:45,281 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:45,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:45,281 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:45,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (97)] Waiting until timeout for monitored process [2023-12-03 03:27:48,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:48,920 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:49,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:49,249 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:27:49,251 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:49,262 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:27:49,301 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (97)] Ended with exit code 0 [2023-12-03 03:27:49,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:49,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 03:27:49,311 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 03:27:49,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 03:27:49,312 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:49,312 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:49,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:49,313 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:49,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (98)] Waiting until timeout for monitored process [2023-12-03 03:27:52,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:52,888 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:53,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:53,211 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:27:53,212 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:53,222 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:27:53,261 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (98)] Ended with exit code 0 [2023-12-03 03:27:53,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:53,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 03:27:53,292 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 03:27:53,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 03:27:53,292 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:53,293 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:53,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:53,293 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:53,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (99)] Waiting until timeout for monitored process [2023-12-03 03:27:57,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:57,192 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:57,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:57,512 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:27:57,514 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:57,524 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:27:57,563 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (99)] Ended with exit code 0 [2023-12-03 03:27:57,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:57,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 03:27:57,573 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 03:27:57,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 03:27:57,574 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:57,574 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:57,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:57,575 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:57,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (100)] Waiting until timeout for monitored process [2023-12-03 03:28:01,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:01,484 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:28:01,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:01,837 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:28:01,839 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:28:01,850 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:28:01,890 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (100)] Ended with exit code 0 [2023-12-03 03:28:01,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:28:01,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 03:28:01,900 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 03:28:01,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 03:28:01,901 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:28:01,901 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:28:01,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:28:01,902 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:28:01,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (101)] Waiting until timeout for monitored process [2023-12-03 03:28:05,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:05,956 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:28:06,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:06,295 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:28:06,296 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:28:06,308 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:28:06,348 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (101)] Ended with exit code 0 [2023-12-03 03:28:06,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:28:06,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 03:28:06,358 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 03:28:06,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 03:28:06,358 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:28:06,359 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:28:06,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:28:06,359 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:28:06,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (102)] Waiting until timeout for monitored process [2023-12-03 03:28:10,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:10,334 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:28:10,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:10,668 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:28:10,669 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:28:10,679 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:28:10,719 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (102)] Ended with exit code 0 [2023-12-03 03:28:10,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:28:10,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 03:28:10,729 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 03:28:10,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 03:28:10,730 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:28:10,730 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:28:10,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:28:10,731 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:28:10,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (103)] Waiting until timeout for monitored process [2023-12-03 03:28:14,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:14,912 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:28:15,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:15,241 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:28:15,242 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:28:15,252 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:28:15,293 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (103)] Ended with exit code 0 [2023-12-03 03:28:15,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:28:15,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 03:28:15,302 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 03:28:15,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 03:28:15,303 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:28:15,303 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:28:15,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:28:15,304 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:28:15,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (104)] Waiting until timeout for monitored process [2023-12-03 03:28:19,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:19,527 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:28:19,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:19,849 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:28:19,850 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:28:19,860 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:28:19,902 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (104)] Ended with exit code 0 [2023-12-03 03:28:19,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:28:19,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 03:28:19,911 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 03:28:19,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 03:28:19,912 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:28:19,912 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:28:19,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:28:19,913 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:28:19,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (105)] Waiting until timeout for monitored process [2023-12-03 03:28:24,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:24,175 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:28:24,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:24,535 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:28:24,536 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:28:24,546 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:28:24,589 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (105)] Ended with exit code 0 [2023-12-03 03:28:24,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:28:24,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 03:28:24,598 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 03:28:24,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 03:28:24,599 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:28:24,599 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:28:24,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:28:24,600 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:28:24,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (106)] Waiting until timeout for monitored process [2023-12-03 03:28:28,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:28,823 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:28:29,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:29,185 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:28:29,186 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:28:29,196 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:28:29,239 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (106)] Ended with exit code 0 [2023-12-03 03:28:29,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:28:29,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 03:28:29,248 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 03:28:29,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 03:28:29,248 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:28:29,249 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:28:29,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:28:29,250 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:28:29,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (107)] Waiting until timeout for monitored process [2023-12-03 03:28:33,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:33,319 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:28:33,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:33,650 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:28:33,652 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:28:33,662 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:28:33,705 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (107)] Ended with exit code 0 [2023-12-03 03:28:33,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:28:33,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 03:28:33,714 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 03:28:33,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 03:28:33,715 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:28:33,715 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:28:33,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:28:33,716 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:28:33,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (108)] Waiting until timeout for monitored process [2023-12-03 03:28:37,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:37,923 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:28:38,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:38,238 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:28:38,239 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:28:38,249 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:28:38,292 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (108)] Ended with exit code 0 [2023-12-03 03:28:38,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:28:38,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 03:28:38,302 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 03:28:38,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 03:28:38,302 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:28:38,302 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:28:38,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:28:38,303 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:28:38,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (109)] Waiting until timeout for monitored process [2023-12-03 03:28:42,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:42,942 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:28:43,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:43,262 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:28:43,264 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:28:43,275 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:28:43,319 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (109)] Ended with exit code 0 [2023-12-03 03:28:43,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:28:43,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 03:28:43,329 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 03:28:43,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 03:28:43,329 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:28:43,329 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:28:43,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:28:43,330 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:28:43,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (110)] Waiting until timeout for monitored process [2023-12-03 03:28:48,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:48,204 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:28:48,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:48,540 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:28:48,542 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:28:48,552 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:28:48,596 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (110)] Ended with exit code 0 [2023-12-03 03:28:48,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:28:48,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 03:28:48,605 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 03:28:48,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 03:28:48,606 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:28:48,606 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:28:48,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:28:48,607 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:28:48,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (111)] Waiting until timeout for monitored process [2023-12-03 03:28:53,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:53,356 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:28:53,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:53,732 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:28:53,733 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:28:53,744 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:28:53,789 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (111)] Ended with exit code 0 [2023-12-03 03:28:53,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:28:53,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 03:28:53,798 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 03:28:53,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 03:28:53,798 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:28:53,798 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:28:53,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:28:53,799 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:28:53,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (112)] Waiting until timeout for monitored process [2023-12-03 03:28:58,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:58,112 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:28:58,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:58,452 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:28:58,453 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:28:58,464 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:28:58,510 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (112)] Ended with exit code 0 [2023-12-03 03:28:58,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:28:58,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 03:28:58,520 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 03:28:58,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 03:28:58,520 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:28:58,520 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:28:58,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:28:58,521 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:28:58,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (113)] Waiting until timeout for monitored process [2023-12-03 03:29:03,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:29:03,232 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:29:03,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:29:03,579 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:29:03,580 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:29:03,590 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:29:03,635 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (113)] Ended with exit code 0 [2023-12-03 03:29:03,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:29:03,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 03:29:03,644 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 03:29:03,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 03:29:03,644 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:29:03,644 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:29:03,644 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:29:03,645 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:29:03,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (114)] Waiting until timeout for monitored process [2023-12-03 03:29:08,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:29:08,232 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:29:08,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:29:08,570 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:29:08,571 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:29:08,581 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:29:08,627 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (114)] Ended with exit code 0 [2023-12-03 03:29:08,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:29:08,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 03:29:08,636 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 03:29:08,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 03:29:08,637 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:29:08,637 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:29:08,637 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:29:08,638 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:29:08,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (115)] Waiting until timeout for monitored process [2023-12-03 03:29:13,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:29:13,461 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:29:13,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:29:13,821 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:29:13,822 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:29:13,833 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:29:13,879 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (115)] Ended with exit code 0 [2023-12-03 03:29:13,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:29:13,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 03:29:13,888 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 03:29:13,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 03:29:13,888 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:29:13,888 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:29:13,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:29:13,889 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:29:13,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (116)] Waiting until timeout for monitored process [2023-12-03 03:29:18,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:29:18,310 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:29:18,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:29:18,642 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:29:18,644 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:29:18,655 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:29:18,701 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (116)] Ended with exit code 0 [2023-12-03 03:29:18,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:29:18,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 03:29:18,711 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 03:29:18,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 03:29:18,711 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:29:18,712 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:29:18,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:29:18,712 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:29:18,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (117)] Waiting until timeout for monitored process [2023-12-03 03:29:23,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:29:23,504 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:29:23,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:29:23,827 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:29:23,828 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:29:23,838 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:29:23,886 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (117)] Ended with exit code 0 [2023-12-03 03:29:23,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:29:23,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 03:29:23,895 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 03:29:23,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 03:29:23,896 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:29:23,896 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:29:23,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:29:23,897 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:29:23,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (118)] Waiting until timeout for monitored process [2023-12-03 03:29:28,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:29:28,099 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:29:28,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:29:28,425 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:29:28,426 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:29:28,437 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:29:28,484 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (118)] Ended with exit code 0 [2023-12-03 03:29:28,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:29:28,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 03:29:28,493 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 03:29:28,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 03:29:28,494 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:29:28,494 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:29:28,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:29:28,495 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:29:28,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (119)] Waiting until timeout for monitored process [2023-12-03 03:29:32,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:29:32,805 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:29:33,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:29:33,125 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:29:33,126 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:29:33,136 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:29:33,183 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (119)] Ended with exit code 0 [2023-12-03 03:29:33,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:29:33,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 03:29:33,193 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 03:29:33,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 03:29:33,193 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:29:33,193 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:29:33,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:29:33,194 INFO L229 MonitoredProcess]: Starting monitored process 120 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:29:33,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (120)] Waiting until timeout for monitored process [2023-12-03 03:29:37,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:29:37,967 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:29:38,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:29:38,301 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:29:38,302 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:29:38,312 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:29:38,383 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (120)] Ended with exit code 0 [2023-12-03 03:29:38,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:29:38,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 03:29:38,394 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 03:29:38,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 03:29:38,395 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:29:38,395 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:29:38,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:29:38,395 INFO L229 MonitoredProcess]: Starting monitored process 121 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:29:38,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (121)] Waiting until timeout for monitored process [2023-12-03 03:29:43,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:29:43,291 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:29:43,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:29:43,662 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:29:43,663 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:29:43,674 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:29:43,722 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (121)] Ended with exit code 0 [2023-12-03 03:29:43,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:29:43,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 03:29:43,732 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 03:29:43,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 03:29:43,732 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:29:43,733 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:29:43,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:29:43,734 INFO L229 MonitoredProcess]: Starting monitored process 122 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:29:43,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (122)] Waiting until timeout for monitored process [2023-12-03 03:29:48,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:29:48,590 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:29:48,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:29:48,910 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:29:48,911 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:29:48,921 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:29:48,970 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (122)] Ended with exit code 0 [2023-12-03 03:29:48,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:29:48,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 03:29:48,979 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 03:29:48,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 03:29:48,979 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:29:48,979 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:29:48,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:29:48,980 INFO L229 MonitoredProcess]: Starting monitored process 123 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:29:48,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (123)] Waiting until timeout for monitored process [2023-12-03 03:29:53,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:29:53,868 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:29:54,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:29:54,215 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:29:54,216 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:29:54,226 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 03:29:54,275 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (123)] Ended with exit code 0 [2023-12-03 03:29:54,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:29:54,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 03:29:54,284 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 03:29:54,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 03:29:54,285 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:29:54,285 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:29:54,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:29:54,286 INFO L229 MonitoredProcess]: Starting monitored process 124 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:29:54,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (124)] Waiting until timeout for monitored process [2023-12-03 03:29:59,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:29:59,322 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:29:59,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:29:59,667 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:29:59,668 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:29:59,699 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:29:59,748 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (124)] Ended with exit code 0 [2023-12-03 03:29:59,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:29:59,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 03:29:59,758 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 03:29:59,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 03:29:59,758 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:29:59,758 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:29:59,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:29:59,759 INFO L229 MonitoredProcess]: Starting monitored process 125 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:29:59,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (125)] Waiting until timeout for monitored process [2023-12-03 03:30:04,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:30:04,573 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:30:04,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:30:04,905 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:30:04,906 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:30:04,917 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:30:04,967 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (125)] Ended with exit code 0 [2023-12-03 03:30:04,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:30:04,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 03:30:04,977 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 03:30:04,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 03:30:04,977 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:30:04,977 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:30:04,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:30:04,978 INFO L229 MonitoredProcess]: Starting monitored process 126 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:30:04,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (126)] Waiting until timeout for monitored process [2023-12-03 03:30:10,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:30:10,388 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:30:10,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:30:10,730 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:30:10,732 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:30:10,742 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:30:10,793 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (126)] Ended with exit code 0 [2023-12-03 03:30:10,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:30:10,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 03:30:10,808 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 03:30:10,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 03:30:10,808 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:30:10,808 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:30:10,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:30:10,811 INFO L229 MonitoredProcess]: Starting monitored process 127 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:30:10,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (127)] Waiting until timeout for monitored process [2023-12-03 03:30:15,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:30:15,912 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:30:16,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:30:16,269 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:30:16,272 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:30:16,284 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:30:16,335 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (127)] Ended with exit code 0 [2023-12-03 03:30:16,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:30:16,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 03:30:16,350 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 03:30:16,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 03:30:16,350 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:30:16,351 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:30:16,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:30:16,352 INFO L229 MonitoredProcess]: Starting monitored process 128 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:30:16,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (128)] Waiting until timeout for monitored process [2023-12-03 03:30:21,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:30:21,627 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:30:21,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:30:21,973 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:30:21,975 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:30:21,984 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:30:22,036 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (128)] Forceful destruction successful, exit code 0 [2023-12-03 03:30:22,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:30:22,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 03:30:22,045 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 03:30:22,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 03:30:22,045 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:30:22,045 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:30:22,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:30:22,046 INFO L229 MonitoredProcess]: Starting monitored process 129 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:30:22,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (129)] Waiting until timeout for monitored process [2023-12-03 03:30:27,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:30:27,659 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:30:27,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:30:27,979 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:30:27,980 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:30:27,991 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:30:28,042 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (129)] Ended with exit code 0 [2023-12-03 03:30:28,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:30:28,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 03:30:28,051 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 03:30:28,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 03:30:28,052 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:30:28,052 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:30:28,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:30:28,053 INFO L229 MonitoredProcess]: Starting monitored process 130 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:30:28,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (130)] Waiting until timeout for monitored process [2023-12-03 03:30:33,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:30:33,444 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:30:33,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:30:33,786 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:30:33,787 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:30:33,797 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:30:33,850 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (130)] Ended with exit code 0 [2023-12-03 03:30:33,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:30:33,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 03:30:33,860 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 03:30:33,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 03:30:33,860 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:30:33,860 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:30:33,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:30:33,861 INFO L229 MonitoredProcess]: Starting monitored process 131 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:30:33,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (131)] Waiting until timeout for monitored process [2023-12-03 03:30:38,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:30:38,988 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:30:39,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:30:39,330 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:30:39,331 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:30:39,341 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:30:39,393 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (131)] Ended with exit code 0 [2023-12-03 03:30:39,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:30:39,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 03:30:39,403 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 03:30:39,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 03:30:39,403 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:30:39,403 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:30:39,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:30:39,404 INFO L229 MonitoredProcess]: Starting monitored process 132 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:30:39,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (132)] Waiting until timeout for monitored process [2023-12-03 03:30:44,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:30:44,521 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:30:44,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:30:44,865 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:30:44,866 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:30:44,876 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:30:44,929 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (132)] Ended with exit code 0 [2023-12-03 03:30:44,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:30:44,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 03:30:44,938 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 03:30:44,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 03:30:44,938 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:30:44,938 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:30:44,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:30:44,939 INFO L229 MonitoredProcess]: Starting monitored process 133 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:30:44,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (133)] Waiting until timeout for monitored process [2023-12-03 03:30:50,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:30:50,093 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:30:50,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:30:50,438 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:30:50,440 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:30:50,451 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:30:50,504 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (133)] Ended with exit code 0 [2023-12-03 03:30:50,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:30:50,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 03:30:50,514 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 03:30:50,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 03:30:50,514 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:30:50,515 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:30:50,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:30:50,515 INFO L229 MonitoredProcess]: Starting monitored process 134 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:30:50,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (134)] Waiting until timeout for monitored process [2023-12-03 03:30:56,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:30:56,282 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:30:56,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:30:56,677 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:30:56,678 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:30:56,688 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 03:30:56,742 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (134)] Ended with exit code 0 [2023-12-03 03:30:56,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:30:56,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 03:30:56,751 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 03:30:56,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 03:30:56,751 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:30:56,751 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:30:56,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:30:56,752 INFO L229 MonitoredProcess]: Starting monitored process 135 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:30:56,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (135)] Waiting until timeout for monitored process [2023-12-03 03:31:02,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:31:02,248 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:31:02,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:31:02,573 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:31:02,574 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:31:02,585 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:31:02,639 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (135)] Ended with exit code 0 [2023-12-03 03:31:02,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:31:02,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 03:31:02,649 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 03:31:02,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 03:31:02,649 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:31:02,649 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:31:02,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:31:02,650 INFO L229 MonitoredProcess]: Starting monitored process 136 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:31:02,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (136)] Waiting until timeout for monitored process [2023-12-03 03:31:08,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:31:08,336 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:31:08,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:31:08,673 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:31:08,674 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:31:08,685 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:31:08,739 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (136)] Ended with exit code 0 [2023-12-03 03:31:08,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:31:08,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 03:31:08,748 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 03:31:08,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 03:31:08,749 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:31:08,749 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:31:08,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:31:08,750 INFO L229 MonitoredProcess]: Starting monitored process 137 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:31:08,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (137)] Waiting until timeout for monitored process [2023-12-03 03:31:14,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:31:14,067 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:31:14,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:31:14,413 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:31:14,414 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:31:14,424 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:31:14,479 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (137)] Ended with exit code 0 [2023-12-03 03:31:14,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:31:14,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 208 transitions. [2023-12-03 03:31:14,489 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 208 transitions. [2023-12-03 03:31:14,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 03:31:14,489 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:31:14,489 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:31:14,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:31:14,490 INFO L229 MonitoredProcess]: Starting monitored process 138 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:31:14,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_913b904c-61a1-4bdc-8b13-568511ce207e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (138)] Waiting until timeout for monitored process