./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_nondet_test4-3.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_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/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_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_nondet_test4-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/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_16300670-0234-4592-adc4-518a00184c97/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 87dd09ebbd7004650762949ef44f5f810b259dfe76e04f61193dc727167eb435 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 04:15:19,970 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 04:15:20,037 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 04:15:20,041 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 04:15:20,041 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 04:15:20,064 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 04:15:20,065 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 04:15:20,066 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 04:15:20,067 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 04:15:20,067 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 04:15:20,068 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 04:15:20,068 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 04:15:20,069 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 04:15:20,069 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 04:15:20,070 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 04:15:20,070 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 04:15:20,071 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 04:15:20,071 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 04:15:20,072 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 04:15:20,072 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 04:15:20,073 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 04:15:20,073 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 04:15:20,074 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 04:15:20,074 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 04:15:20,075 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 04:15:20,075 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 04:15:20,076 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:15:20,076 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 04:15:20,076 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 04:15:20,077 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 04:15:20,077 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 04:15:20,078 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 04:15:20,078 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 04:15:20,079 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_16300670-0234-4592-adc4-518a00184c97/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 87dd09ebbd7004650762949ef44f5f810b259dfe76e04f61193dc727167eb435 [2023-12-03 04:15:20,317 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 04:15:20,338 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 04:15:20,341 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 04:15:20,342 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 04:15:20,343 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 04:15:20,344 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_nondet_test4-3.i [2023-12-03 04:15:23,061 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 04:15:23,381 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 04:15:23,382 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_nondet_test4-3.i [2023-12-03 04:15:23,401 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/data/1328eae5f/eaa64664bed44aff9c55a0797482c339/FLAG4128c9767 [2023-12-03 04:15:23,416 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/data/1328eae5f/eaa64664bed44aff9c55a0797482c339 [2023-12-03 04:15:23,419 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 04:15:23,420 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 04:15:23,422 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 04:15:23,422 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 04:15:23,427 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 04:15:23,428 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:15:23" (1/1) ... [2023-12-03 04:15:23,429 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ce94b7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:15:23, skipping insertion in model container [2023-12-03 04:15:23,429 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:15:23" (1/1) ... [2023-12-03 04:15:23,522 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:15:23,940 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_16300670-0234-4592-adc4-518a00184c97/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_nondet_test4-3.i[33519,33532] [2023-12-03 04:15:24,056 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:15:24,066 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 04:15:24,096 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_16300670-0234-4592-adc4-518a00184c97/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_nondet_test4-3.i[33519,33532] [2023-12-03 04:15:24,155 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:15:24,194 INFO L206 MainTranslator]: Completed translation [2023-12-03 04:15:24,194 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:15:24 WrapperNode [2023-12-03 04:15:24,195 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 04:15:24,196 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 04:15:24,196 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 04:15:24,196 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 04:15:24,204 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:15:24" (1/1) ... [2023-12-03 04:15:24,239 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:15:24" (1/1) ... [2023-12-03 04:15:24,355 INFO L138 Inliner]: procedures = 177, calls = 438, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1770 [2023-12-03 04:15:24,355 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 04:15:24,356 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 04:15:24,356 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 04:15:24,356 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 04:15:24,366 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:15:24" (1/1) ... [2023-12-03 04:15:24,367 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:15:24" (1/1) ... [2023-12-03 04:15:24,379 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:15:24" (1/1) ... [2023-12-03 04:15:24,380 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:15:24" (1/1) ... [2023-12-03 04:15:24,436 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:15:24" (1/1) ... [2023-12-03 04:15:24,454 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:15:24" (1/1) ... [2023-12-03 04:15:24,462 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:15:24" (1/1) ... [2023-12-03 04:15:24,472 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:15:24" (1/1) ... [2023-12-03 04:15:24,488 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 04:15:24,489 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 04:15:24,489 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 04:15:24,489 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 04:15:24,490 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:15:24" (1/1) ... [2023-12-03 04:15:24,496 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:15:24,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 04:15:24,521 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 04:15:24,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 04:15:24,558 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 04:15:24,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 04:15:24,559 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-03 04:15:24,559 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-03 04:15:24,559 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 04:15:24,559 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 04:15:24,559 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 04:15:24,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-03 04:15:24,560 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-03 04:15:24,560 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 04:15:24,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 04:15:24,560 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 04:15:24,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 04:15:24,793 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 04:15:24,796 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 04:15:26,518 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 04:15:27,759 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 04:15:27,760 INFO L309 CfgBuilder]: Removed 77 assume(true) statements. [2023-12-03 04:15:27,761 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:15:27 BoogieIcfgContainer [2023-12-03 04:15:27,761 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 04:15:27,762 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 04:15:27,762 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 04:15:27,770 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 04:15:27,771 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:15:27" (1/1) ... [2023-12-03 04:15:27,778 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 04:15:27,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:15:27,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 142 states and 242 transitions. [2023-12-03 04:15:27,829 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 242 transitions. [2023-12-03 04:15:27,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-03 04:15:27,831 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:15:27,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:15:27,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:15:28,055 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 04:15:28,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:15:28,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 144 states and 245 transitions. [2023-12-03 04:15:28,114 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 245 transitions. [2023-12-03 04:15:28,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 04:15:28,116 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:15:28,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:15:28,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:15:28,239 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:15:28,246 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:15:28,254 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:15:28,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:15:28,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 144 states and 241 transitions. [2023-12-03 04:15:28,264 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 241 transitions. [2023-12-03 04:15:28,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 04:15:28,269 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:15:28,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:15:28,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:15:28,368 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:15:28,371 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:15:28,375 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:15:28,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:15:28,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 144 states and 233 transitions. [2023-12-03 04:15:28,385 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 233 transitions. [2023-12-03 04:15:28,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-03 04:15:28,388 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:15:28,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:15:28,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:15:28,516 INFO L262 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:15:28,519 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:15:28,523 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:15:28,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:15:28,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 144 states and 221 transitions. [2023-12-03 04:15:28,534 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 221 transitions. [2023-12-03 04:15:28,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-12-03 04:15:28,537 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:15:28,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:15:28,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:15:28,757 INFO L262 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:15:28,762 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:15:28,767 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:15:38,794 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:15:48,894 WARN L539 Checker$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 04:15:48,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:15:48,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 144 states and 207 transitions. [2023-12-03 04:15:48,967 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 207 transitions. [2023-12-03 04:15:48,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 04:15:48,970 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:15:48,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:15:49,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:15:49,367 INFO L262 TraceCheckSpWp]: Trace formula consists of 521 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:15:49,374 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:15:49,564 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:15:59,607 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:16:09,638 WARN L539 Checker$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 04:16:19,678 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:16:29,744 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:16:39,912 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:16:49,937 WARN L539 Checker$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 04:16:59,965 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:17:10,013 WARN L539 Checker$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 04:17:10,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:17:10,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 180 states and 248 transitions. [2023-12-03 04:17:10,058 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 248 transitions. [2023-12-03 04:17:10,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 04:17:10,060 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:17:10,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:17:10,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:17:10,393 INFO L262 TraceCheckSpWp]: Trace formula consists of 494 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:17:10,396 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:17:10,400 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:17:10,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:17:10,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 180 states and 246 transitions. [2023-12-03 04:17:10,413 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 246 transitions. [2023-12-03 04:17:10,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-03 04:17:10,414 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:17:10,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:17:10,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:17:10,747 INFO L262 TraceCheckSpWp]: Trace formula consists of 521 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:17:10,751 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:17:10,755 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:17:10,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:17:10,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 180 states and 244 transitions. [2023-12-03 04:17:10,769 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 244 transitions. [2023-12-03 04:17:10,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-03 04:17:10,770 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:17:10,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:17:11,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:17:11,112 INFO L262 TraceCheckSpWp]: Trace formula consists of 521 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:17:11,115 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:17:11,119 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:17:11,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:17:11,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 180 states and 242 transitions. [2023-12-03 04:17:11,131 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 242 transitions. [2023-12-03 04:17:11,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-03 04:17:11,132 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:17:11,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:17:11,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:17:11,517 INFO L262 TraceCheckSpWp]: Trace formula consists of 535 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:17:11,521 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:17:11,524 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 04:17:21,535 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:17:21,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:17:21,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 180 states and 240 transitions. [2023-12-03 04:17:21,565 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 240 transitions. [2023-12-03 04:17:21,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-03 04:17:21,566 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:17:21,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:17:21,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:17:21,946 INFO L262 TraceCheckSpWp]: Trace formula consists of 535 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:17:21,949 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:17:21,952 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:17:31,968 WARN L539 Checker$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 04:17:32,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:17:32,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 180 states and 238 transitions. [2023-12-03 04:17:32,009 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 238 transitions. [2023-12-03 04:17:32,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-12-03 04:17:32,010 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:17:32,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:17:32,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:17:32,364 INFO L262 TraceCheckSpWp]: Trace formula consists of 544 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:17:32,367 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:17:32,568 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:17:42,583 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:17:52,612 WARN L539 Checker$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 04:18:02,764 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:18:12,795 WARN L539 Checker$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 04:18:12,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:18:12,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 183 states and 240 transitions. [2023-12-03 04:18:12,855 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 240 transitions. [2023-12-03 04:18:12,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-12-03 04:18:12,856 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:18:12,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:18:13,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:18:13,238 INFO L262 TraceCheckSpWp]: Trace formula consists of 544 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:18:13,240 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:18:13,392 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:18:23,420 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:18:33,447 WARN L539 Checker$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 04:18:43,478 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:18:53,507 WARN L539 Checker$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 04:18:53,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:18:53,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 186 states and 242 transitions. [2023-12-03 04:18:53,542 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 242 transitions. [2023-12-03 04:18:53,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-12-03 04:18:53,543 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:18:53,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:18:53,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:18:53,852 INFO L262 TraceCheckSpWp]: Trace formula consists of 562 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:18:53,855 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:18:53,858 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:18:53,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:18:53,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 186 states and 240 transitions. [2023-12-03 04:18:53,905 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 240 transitions. [2023-12-03 04:18:53,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-12-03 04:18:53,906 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:18:53,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:18:54,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:18:54,260 INFO L262 TraceCheckSpWp]: Trace formula consists of 682 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:18:54,263 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:18:54,267 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:18:54,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:18:54,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 186 states and 239 transitions. [2023-12-03 04:18:54,312 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 239 transitions. [2023-12-03 04:18:54,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 04:18:54,312 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:18:54,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:18:54,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:18:54,612 INFO L262 TraceCheckSpWp]: Trace formula consists of 668 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:18:54,614 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:18:54,661 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 04:19:04,752 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:19:14,777 WARN L539 Checker$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 04:19:24,810 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:19:34,843 WARN L539 Checker$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 04:19:34,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:19:34,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 198 states and 254 transitions. [2023-12-03 04:19:34,896 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 254 transitions. [2023-12-03 04:19:34,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 04:19:34,897 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:19:34,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:19:35,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:19:35,244 INFO L262 TraceCheckSpWp]: Trace formula consists of 668 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:19:35,247 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:19:35,444 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 04:19:35,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:19:35,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 207 states and 264 transitions. [2023-12-03 04:19:35,516 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 264 transitions. [2023-12-03 04:19:35,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-12-03 04:19:35,518 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:19:35,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:19:35,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:19:35,942 INFO L262 TraceCheckSpWp]: Trace formula consists of 691 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:19:35,944 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:19:36,000 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:19:46,016 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:19:56,076 WARN L539 Checker$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 04:20:06,104 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:20:16,137 WARN L539 Checker$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 04:20:16,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:20:16,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 210 states and 266 transitions. [2023-12-03 04:20:16,197 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 266 transitions. [2023-12-03 04:20:16,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 04:20:16,198 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:20:16,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:20:26,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-03 04:20:26,601 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 04:20:26,603 INFO L158 Benchmark]: Toolchain (without parser) took 303183.12ms. Allocated memory was 132.1MB in the beginning and 234.9MB in the end (delta: 102.8MB). Free memory was 94.7MB in the beginning and 63.4MB in the end (delta: 31.3MB). Peak memory consumption was 136.3MB. Max. memory is 16.1GB. [2023-12-03 04:20:26,604 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 132.1MB. Free memory was 103.7MB in the beginning and 103.5MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:20:26,604 INFO L158 Benchmark]: CACSL2BoogieTranslator took 773.22ms. Allocated memory is still 132.1MB. Free memory was 94.3MB in the beginning and 57.0MB in the end (delta: 37.3MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2023-12-03 04:20:26,605 INFO L158 Benchmark]: Boogie Procedure Inliner took 159.79ms. Allocated memory was 132.1MB in the beginning and 161.5MB in the end (delta: 29.4MB). Free memory was 57.0MB in the beginning and 124.4MB in the end (delta: -67.4MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. [2023-12-03 04:20:26,606 INFO L158 Benchmark]: Boogie Preprocessor took 131.89ms. Allocated memory is still 161.5MB. Free memory was 124.4MB in the beginning and 111.8MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-03 04:20:26,606 INFO L158 Benchmark]: RCFGBuilder took 3272.62ms. Allocated memory was 161.5MB in the beginning and 195.0MB in the end (delta: 33.6MB). Free memory was 111.8MB in the beginning and 71.8MB in the end (delta: 40.0MB). Peak memory consumption was 94.4MB. Max. memory is 16.1GB. [2023-12-03 04:20:26,607 INFO L158 Benchmark]: CodeCheck took 298840.59ms. Allocated memory was 195.0MB in the beginning and 234.9MB in the end (delta: 39.8MB). Free memory was 71.8MB in the beginning and 63.4MB in the end (delta: 8.4MB). Peak memory consumption was 49.0MB. Max. memory is 16.1GB. [2023-12-03 04:20:26,610 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 0.23ms. Allocated memory is still 132.1MB. Free memory was 103.7MB in the beginning and 103.5MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 773.22ms. Allocated memory is still 132.1MB. Free memory was 94.3MB in the beginning and 57.0MB in the end (delta: 37.3MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 159.79ms. Allocated memory was 132.1MB in the beginning and 161.5MB in the end (delta: 29.4MB). Free memory was 57.0MB in the beginning and 124.4MB in the end (delta: -67.4MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 131.89ms. Allocated memory is still 161.5MB. Free memory was 124.4MB in the beginning and 111.8MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * RCFGBuilder took 3272.62ms. Allocated memory was 161.5MB in the beginning and 195.0MB in the end (delta: 33.6MB). Free memory was 111.8MB in the beginning and 71.8MB in the end (delta: 40.0MB). Peak memory consumption was 94.4MB. Max. memory is 16.1GB. * CodeCheck took 298840.59ms. Allocated memory was 195.0MB in the beginning and 234.9MB in the end (delta: 39.8MB). Free memory was 71.8MB in the beginning and 63.4MB in the end (delta: 8.4MB). Peak memory consumption was 49.0MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 04:20:26,809 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/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_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/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_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_nondet_test4-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/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_16300670-0234-4592-adc4-518a00184c97/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 87dd09ebbd7004650762949ef44f5f810b259dfe76e04f61193dc727167eb435 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 04:20:28,472 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 04:20:28,547 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-03 04:20:28,577 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 04:20:28,578 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 04:20:28,579 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 04:20:28,579 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 04:20:28,580 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 04:20:28,580 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 04:20:28,581 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 04:20:28,581 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 04:20:28,582 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 04:20:28,582 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 04:20:28,583 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 04:20:28,583 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 04:20:28,584 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 04:20:28,584 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 04:20:28,585 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 04:20:28,586 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 04:20:28,586 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 04:20:28,586 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 04:20:28,587 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 04:20:28,588 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 04:20:28,588 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 04:20:28,588 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 04:20:28,589 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 04:20:28,589 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 04:20:28,590 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 04:20:28,590 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:20:28,591 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 04:20:28,591 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 04:20:28,592 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 04:20:28,592 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 04:20:28,593 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 04:20:28,593 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 04:20:28,593 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 04:20:28,593 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 04:20:28,594 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_16300670-0234-4592-adc4-518a00184c97/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 87dd09ebbd7004650762949ef44f5f810b259dfe76e04f61193dc727167eb435 [2023-12-03 04:20:28,870 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 04:20:28,893 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 04:20:28,895 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 04:20:28,897 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 04:20:28,897 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 04:20:28,898 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_nondet_test4-3.i [2023-12-03 04:20:31,653 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 04:20:31,954 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 04:20:31,954 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_nondet_test4-3.i [2023-12-03 04:20:31,973 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/data/a282a6830/a2628cd51db7419cab6b528416faf24d/FLAG4b2112c24 [2023-12-03 04:20:31,985 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/data/a282a6830/a2628cd51db7419cab6b528416faf24d [2023-12-03 04:20:31,987 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 04:20:31,988 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 04:20:31,990 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 04:20:31,990 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 04:20:31,993 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 04:20:31,994 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:20:31" (1/1) ... [2023-12-03 04:20:31,995 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ca51309 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:20:31, skipping insertion in model container [2023-12-03 04:20:31,995 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:20:31" (1/1) ... [2023-12-03 04:20:32,058 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:20:32,385 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_16300670-0234-4592-adc4-518a00184c97/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_nondet_test4-3.i[33519,33532] [2023-12-03 04:20:32,514 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:20:32,527 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-03 04:20:32,539 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:20:32,570 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_16300670-0234-4592-adc4-518a00184c97/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_nondet_test4-3.i[33519,33532] [2023-12-03 04:20:32,645 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:20:32,649 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 04:20:32,678 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_16300670-0234-4592-adc4-518a00184c97/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_nondet_test4-3.i[33519,33532] [2023-12-03 04:20:32,722 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:20:32,754 INFO L206 MainTranslator]: Completed translation [2023-12-03 04:20:32,755 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:20:32 WrapperNode [2023-12-03 04:20:32,755 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 04:20:32,755 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 04:20:32,756 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 04:20:32,756 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 04:20:32,761 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:20:32" (1/1) ... [2023-12-03 04:20:32,796 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:20:32" (1/1) ... [2023-12-03 04:20:32,857 INFO L138 Inliner]: procedures = 180, calls = 438, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1419 [2023-12-03 04:20:32,858 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 04:20:32,859 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 04:20:32,859 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 04:20:32,859 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 04:20:32,866 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:20:32" (1/1) ... [2023-12-03 04:20:32,867 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:20:32" (1/1) ... [2023-12-03 04:20:32,877 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:20:32" (1/1) ... [2023-12-03 04:20:32,877 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:20:32" (1/1) ... [2023-12-03 04:20:32,955 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:20:32" (1/1) ... [2023-12-03 04:20:32,967 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:20:32" (1/1) ... [2023-12-03 04:20:32,974 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:20:32" (1/1) ... [2023-12-03 04:20:32,987 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:20:32" (1/1) ... [2023-12-03 04:20:33,001 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 04:20:33,002 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 04:20:33,002 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 04:20:33,003 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 04:20:33,004 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:20:32" (1/1) ... [2023-12-03 04:20:33,009 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:20:33,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 04:20:33,032 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 04:20:33,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 04:20:33,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-12-03 04:20:33,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 04:20:33,071 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-03 04:20:33,071 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-03 04:20:33,071 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 04:20:33,072 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 04:20:33,072 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 04:20:33,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-03 04:20:33,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-03 04:20:33,072 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 04:20:33,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 04:20:33,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 04:20:33,073 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 04:20:33,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 04:20:33,299 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 04:20:33,301 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 04:20:58,874 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 04:20:59,367 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 04:20:59,367 INFO L309 CfgBuilder]: Removed 77 assume(true) statements. [2023-12-03 04:20:59,369 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:20:59 BoogieIcfgContainer [2023-12-03 04:20:59,369 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 04:20:59,370 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 04:20:59,370 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 04:20:59,380 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 04:20:59,380 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:20:59" (1/1) ... [2023-12-03 04:20:59,389 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 04:20:59,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:20:59,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 142 states and 242 transitions. [2023-12-03 04:20:59,451 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 242 transitions. [2023-12-03 04:20:59,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-03 04:20:59,453 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:20:59,453 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:20:59,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:20:59,455 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:20:59,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 04:20:59,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:20:59,853 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:20:59,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:20:59,911 INFO L262 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:20:59,917 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:21:00,019 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 04:21:00,023 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 04:21:00,024 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 04:21:00,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:21:00,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 144 states and 245 transitions. [2023-12-03 04:21:00,279 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 245 transitions. [2023-12-03 04:21:00,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 04:21:00,281 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:21:00,281 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:21:00,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:21:00,282 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:21:00,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 04:21:00,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:21:00,613 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:21:00,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:21:00,719 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:21:00,722 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:21:00,725 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:21:00,728 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 04:21:00,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:21:00,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 144 states and 241 transitions. [2023-12-03 04:21:00,744 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 241 transitions. [2023-12-03 04:21:00,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 04:21:00,749 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:21:00,750 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:21:00,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:21:00,751 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:21:00,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 04:21:01,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:21:01,076 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:21:01,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:21:01,162 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:21:01,165 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:21:01,168 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:21:01,172 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-03 04:21:01,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:21:01,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 144 states and 233 transitions. [2023-12-03 04:21:01,182 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 233 transitions. [2023-12-03 04:21:01,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-03 04:21:01,184 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:21:01,185 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:21:01,185 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:21:01,186 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:21:01,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-03 04:21:01,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:21:01,569 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:21:01,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:21:01,734 INFO L262 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:21:01,737 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:21:01,742 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:21:01,746 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-03 04:21:01,746 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 04:21:01,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:21:01,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 144 states and 221 transitions. [2023-12-03 04:21:01,762 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 221 transitions. [2023-12-03 04:21:01,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-12-03 04:21:01,765 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:21:01,765 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:21:01,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:21:01,766 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:21:01,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-03 04:21:02,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:21:02,190 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:21:02,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:21:02,403 INFO L262 TraceCheckSpWp]: Trace formula consists of 309 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:21:02,407 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:21:02,412 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:21:02,417 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-03 04:21:03,589 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 04:21:04,685 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 04:21:04,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:21:04,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 144 states and 205 transitions. [2023-12-03 04:21:04,700 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 205 transitions. [2023-12-03 04:21:04,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 04:21:04,701 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:21:04,702 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:21:04,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:21:04,703 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:21:04,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-03 04:21:05,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:21:05,254 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:21:05,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:21:05,620 INFO L262 TraceCheckSpWp]: Trace formula consists of 467 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:21:05,624 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:21:05,768 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:21:05,780 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-03 04:21:06,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:21:06,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 156 states and 219 transitions. [2023-12-03 04:21:06,550 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 219 transitions. [2023-12-03 04:21:06,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-03 04:21:06,552 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:21:06,553 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:21:06,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:21:06,554 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:21:06,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-03 04:21:07,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:21:07,151 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:21:07,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:21:07,502 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:21:07,505 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:21:07,508 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:21:07,513 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2023-12-03 04:21:07,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:21:07,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 156 states and 217 transitions. [2023-12-03 04:21:07,524 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 217 transitions. [2023-12-03 04:21:07,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-03 04:21:07,525 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:21:07,525 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:21:07,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:21:07,526 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:21:07,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-03 04:21:08,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:21:08,109 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:21:08,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:21:08,471 INFO L262 TraceCheckSpWp]: Trace formula consists of 475 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:21:08,473 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:21:08,477 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 04:21:08,484 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2023-12-03 04:21:08,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:21:08,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 156 states and 215 transitions. [2023-12-03 04:21:08,493 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 215 transitions. [2023-12-03 04:21:08,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-12-03 04:21:08,494 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:21:08,494 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:21:08,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:21:08,495 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:21:08,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-03 04:21:09,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:21:09,147 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:21:09,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:21:09,530 INFO L262 TraceCheckSpWp]: Trace formula consists of 478 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:21:09,532 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:21:09,670 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:21:09,674 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2023-12-03 04:21:09,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:21:09,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 159 states and 217 transitions. [2023-12-03 04:21:09,694 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 217 transitions. [2023-12-03 04:21:09,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 04:21:09,695 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:21:09,695 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:21:09,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:21:09,696 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:21:09,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-03 04:21:10,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:21:10,457 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:21:10,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:21:10,908 INFO L262 TraceCheckSpWp]: Trace formula consists of 598 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:21:10,911 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:21:11,273 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 04:21:11,280 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2023-12-03 04:21:13,481 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 04:21:15,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:21:15,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 202 states and 268 transitions. [2023-12-03 04:21:15,007 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 268 transitions. [2023-12-03 04:21:15,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-03 04:21:15,008 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:21:15,008 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:21:15,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:21:15,009 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:21:15,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-03 04:21:15,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:21:15,793 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:21:16,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:21:16,183 INFO L262 TraceCheckSpWp]: Trace formula consists of 595 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:21:16,185 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:21:16,188 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 04:21:16,199 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2023-12-03 04:21:16,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:21:16,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 202 states and 266 transitions. [2023-12-03 04:21:16,228 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 266 transitions. [2023-12-03 04:21:16,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-12-03 04:21:16,229 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:21:16,230 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:21:16,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:21:16,231 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:21:16,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-12-03 04:21:17,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:21:17,135 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:21:17,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:21:17,583 INFO L262 TraceCheckSpWp]: Trace formula consists of 606 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:21:17,585 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:21:17,588 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 04:21:17,597 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Forceful destruction successful, exit code 0 [2023-12-03 04:21:17,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:21:17,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 202 states and 264 transitions. [2023-12-03 04:21:17,610 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 264 transitions. [2023-12-03 04:21:17,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-12-03 04:21:17,610 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:21:17,611 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:21:17,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:21:17,612 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:21:17,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-12-03 04:21:18,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:21:18,583 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:21:18,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:21:19,008 INFO L262 TraceCheckSpWp]: Trace formula consists of 609 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:21:19,011 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:21:19,471 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:21:19,482 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2023-12-03 04:21:19,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:21:19,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 205 states and 266 transitions. [2023-12-03 04:21:19,548 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 266 transitions. [2023-12-03 04:21:19,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-12-03 04:21:19,549 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:21:19,549 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:21:19,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:21:19,550 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:21:19,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-12-03 04:21:20,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:21:20,422 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:21:20,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:21:20,851 INFO L262 TraceCheckSpWp]: Trace formula consists of 609 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:21:20,855 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:21:21,311 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:21:21,324 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2023-12-03 04:21:21,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:21:21,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 208 states and 268 transitions. [2023-12-03 04:21:21,364 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 268 transitions. [2023-12-03 04:21:21,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-12-03 04:21:21,364 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:21:21,365 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:21:21,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:21:21,365 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:21:21,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2023-12-03 04:21:22,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:21:22,550 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:21:22,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:21:22,987 INFO L262 TraceCheckSpWp]: Trace formula consists of 626 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:21:22,989 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:21:22,992 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 04:21:23,014 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2023-12-03 04:21:29,465 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 04:21:29,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:21:29,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 208 states and 266 transitions. [2023-12-03 04:21:29,496 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 266 transitions. [2023-12-03 04:21:29,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-12-03 04:21:29,497 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:21:29,497 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:21:29,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:21:29,498 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:21:29,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2023-12-03 04:21:30,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:21:30,671 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:21:31,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:21:31,201 INFO L262 TraceCheckSpWp]: Trace formula consists of 761 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:21:31,204 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:21:31,208 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-03 04:21:31,221 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2023-12-03 04:21:31,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:21:31,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 04:21:31,238 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 04:21:31,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 04:21:31,239 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:21:31,239 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:21:31,239 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:21:31,240 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:21:31,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2023-12-03 04:21:32,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:21:32,484 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:21:32,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:21:32,969 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:21:32,971 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:21:33,052 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:21:33,065 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2023-12-03 04:21:33,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:21:33,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 04:21:33,157 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 04:21:33,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 04:21:33,158 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:21:33,159 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:21:33,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:21:33,161 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:21:33,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2023-12-03 04:21:34,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:21:34,507 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:21:34,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:21:34,963 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:21:34,965 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:21:34,977 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:21:34,991 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2023-12-03 04:21:35,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:21:35,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 04:21:35,004 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 04:21:35,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 04:21:35,005 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:21:35,005 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:21:35,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:21:35,006 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:21:35,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2023-12-03 04:21:36,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:21:36,325 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:21:36,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:21:36,816 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:21:36,818 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:21:36,829 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:21:36,846 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2023-12-03 04:21:36,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:21:36,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 04:21:36,857 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 04:21:36,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 04:21:36,859 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:21:36,859 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:21:36,859 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:21:36,860 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:21:36,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2023-12-03 04:21:38,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:21:38,234 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:21:38,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:21:38,744 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:21:38,746 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:21:38,759 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:21:38,778 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2023-12-03 04:21:38,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:21:38,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 04:21:38,795 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 04:21:38,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 04:21:38,796 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:21:38,796 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:21:38,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:21:38,797 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:21:38,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2023-12-03 04:21:40,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:21:40,306 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:21:40,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:21:40,775 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:21:40,777 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:21:40,790 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:21:40,810 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2023-12-03 04:21:40,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:21:40,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 04:21:40,823 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 04:21:40,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 04:21:40,824 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:21:40,824 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:21:40,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:21:40,825 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:21:40,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2023-12-03 04:21:42,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:21:42,229 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:21:42,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:21:42,701 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:21:42,703 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:21:42,714 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:21:42,734 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2023-12-03 04:21:42,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:21:42,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 04:21:42,746 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 04:21:42,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 04:21:42,747 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:21:42,748 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:21:42,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:21:42,748 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:21:42,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2023-12-03 04:21:44,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:21:44,316 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:21:44,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:21:44,811 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:21:44,813 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:21:44,825 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:21:44,847 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2023-12-03 04:21:44,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:21:44,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 04:21:44,858 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 04:21:44,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 04:21:44,859 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:21:44,859 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:21:44,859 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:21:44,860 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:21:44,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2023-12-03 04:21:46,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:21:46,379 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:21:46,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:21:46,886 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:21:46,888 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:21:46,901 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:21:46,925 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Forceful destruction successful, exit code 0 [2023-12-03 04:21:46,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:21:46,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 04:21:46,939 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 04:21:46,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 04:21:46,939 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:21:46,939 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:21:46,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:21:46,940 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:21:46,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2023-12-03 04:21:48,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:21:48,674 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:21:49,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:21:49,230 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:21:49,233 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:21:49,247 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:21:49,277 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2023-12-03 04:21:49,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:21:49,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 04:21:49,294 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 04:21:49,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 04:21:49,295 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:21:49,295 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:21:49,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:21:49,296 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:21:49,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2023-12-03 04:21:50,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:21:50,979 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:21:51,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:21:51,481 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:21:51,483 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:21:51,496 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:21:51,521 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2023-12-03 04:21:51,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:21:51,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 04:21:51,532 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 04:21:51,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 04:21:51,533 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:21:51,533 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:21:51,533 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:21:51,534 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:21:51,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2023-12-03 04:21:53,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:21:53,205 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:21:53,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:21:53,689 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:21:53,691 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:21:53,703 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:21:53,728 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2023-12-03 04:21:53,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:21:53,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 04:21:53,746 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 04:21:53,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 04:21:53,746 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:21:53,747 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:21:53,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:21:53,748 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:21:53,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2023-12-03 04:21:55,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:21:55,981 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:21:56,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:21:56,468 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:21:56,470 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:21:56,482 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:21:56,510 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2023-12-03 04:21:56,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:21:56,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 04:21:56,526 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 04:21:56,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 04:21:56,527 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:21:56,527 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:21:56,527 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:21:56,528 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:21:56,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2023-12-03 04:21:58,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:21:58,559 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:21:59,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:21:59,058 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:21:59,060 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:21:59,074 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:21:59,105 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2023-12-03 04:21:59,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:21:59,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 04:21:59,122 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 04:21:59,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 04:21:59,123 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:21:59,123 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:21:59,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:21:59,124 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:21:59,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2023-12-03 04:22:01,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:22:01,114 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:22:01,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:22:01,617 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:22:01,619 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:22:01,630 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:22:01,674 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2023-12-03 04:22:01,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:22:01,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 04:22:01,693 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 04:22:01,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 04:22:01,694 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:22:01,694 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:22:01,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:22:01,695 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:22:01,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2023-12-03 04:22:03,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:22:03,876 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:22:04,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:22:04,391 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:22:04,393 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:22:04,404 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:22:04,434 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2023-12-03 04:22:04,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:22:04,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 04:22:04,448 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 04:22:04,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 04:22:04,449 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:22:04,449 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:22:04,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:22:04,450 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:22:04,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2023-12-03 04:22:07,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:22:07,033 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:22:07,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:22:07,571 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:22:07,572 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:22:07,584 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:22:07,617 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2023-12-03 04:22:07,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:22:07,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 04:22:07,630 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 04:22:07,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 04:22:07,631 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:22:07,631 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:22:07,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:22:07,632 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:22:07,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2023-12-03 04:22:09,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:22:09,865 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:22:10,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:22:10,361 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:22:10,363 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:22:10,376 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:22:10,409 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2023-12-03 04:22:10,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:22:10,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 04:22:10,422 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 04:22:10,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 04:22:10,423 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:22:10,423 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:22:10,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:22:10,424 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:22:10,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2023-12-03 04:22:12,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:22:12,656 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:22:13,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:22:13,154 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:22:13,156 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:22:13,168 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:22:13,203 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2023-12-03 04:22:13,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:22:13,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 04:22:13,217 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 04:22:13,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 04:22:13,218 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:22:13,218 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:22:13,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:22:13,219 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:22:13,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2023-12-03 04:22:15,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:22:15,467 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:22:15,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:22:15,936 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:22:15,938 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:22:15,949 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:22:15,986 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2023-12-03 04:22:15,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:22:15,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 04:22:16,000 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 04:22:16,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 04:22:16,000 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:22:16,000 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:22:16,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:22:16,001 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:22:16,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2023-12-03 04:22:18,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:22:18,315 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:22:18,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:22:18,794 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:22:18,796 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:22:18,807 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:22:18,827 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2023-12-03 04:22:18,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:22:18,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 04:22:18,839 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 04:22:18,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 04:22:18,839 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:22:18,840 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:22:18,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:22:18,840 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:22:18,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2023-12-03 04:22:21,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:22:21,300 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:22:21,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:22:21,819 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:22:21,820 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:22:21,832 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:22:21,855 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2023-12-03 04:22:21,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:22:21,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 04:22:21,867 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 04:22:21,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 04:22:21,868 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:22:21,868 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:22:21,868 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:22:21,869 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:22:21,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2023-12-03 04:22:24,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:22:24,498 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:22:24,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:22:25,003 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:22:25,005 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:22:25,018 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:22:25,041 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2023-12-03 04:22:25,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:22:25,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 04:22:25,057 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 04:22:25,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 04:22:25,058 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:22:25,058 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:22:25,058 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:22:25,059 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:22:25,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2023-12-03 04:22:27,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:22:27,636 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:22:28,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:22:28,140 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:22:28,142 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:22:28,153 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:22:28,173 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2023-12-03 04:22:28,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:22:28,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 04:22:28,183 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 04:22:28,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 04:22:28,184 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:22:28,184 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:22:28,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:22:28,185 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:22:28,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2023-12-03 04:22:30,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:22:30,746 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:22:31,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:22:31,254 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:22:31,256 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:22:31,268 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:22:31,290 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2023-12-03 04:22:31,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:22:31,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 04:22:31,302 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 04:22:31,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 04:22:31,302 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:22:31,302 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:22:31,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:22:31,303 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:22:31,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2023-12-03 04:22:34,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:22:34,090 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:22:34,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:22:34,585 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:22:34,587 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:22:34,598 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:22:34,619 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2023-12-03 04:22:34,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:22:34,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 04:22:34,632 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 04:22:34,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 04:22:34,632 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:22:34,632 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:22:34,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:22:34,633 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:22:34,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2023-12-03 04:22:37,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:22:37,554 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:22:37,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:22:37,994 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:22:37,995 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:22:38,006 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:22:38,027 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2023-12-03 04:22:38,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:22:38,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 04:22:38,040 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 04:22:38,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 04:22:38,040 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:22:38,040 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:22:38,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:22:38,041 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:22:38,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2023-12-03 04:22:40,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:22:40,900 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:22:41,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:22:41,428 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:22:41,429 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:22:41,440 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:22:41,461 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2023-12-03 04:22:41,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:22:41,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 04:22:41,473 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 04:22:41,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 04:22:41,474 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:22:41,474 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:22:41,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:22:41,475 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:22:41,476 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2023-12-03 04:22:43,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:22:43,868 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:22:44,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:22:44,381 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:22:44,383 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:22:44,394 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:22:44,416 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2023-12-03 04:22:44,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:22:44,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 04:22:44,428 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 04:22:44,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 04:22:44,429 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:22:44,429 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:22:44,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:22:44,430 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:22:44,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2023-12-03 04:22:47,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:22:47,302 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:22:47,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:22:47,776 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:22:47,778 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:22:47,790 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:22:47,812 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2023-12-03 04:22:47,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:22:47,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 04:22:47,824 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 04:22:47,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 04:22:47,824 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:22:47,824 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:22:47,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:22:47,825 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:22:47,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2023-12-03 04:22:50,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:22:50,817 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:22:51,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:22:51,301 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:22:51,302 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:22:51,313 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:22:51,337 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Forceful destruction successful, exit code 0 [2023-12-03 04:22:51,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:22:51,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 04:22:51,351 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 04:22:51,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 04:22:51,352 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:22:51,352 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:22:51,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:22:51,353 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:22:51,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2023-12-03 04:22:54,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:22:54,592 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:22:55,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:22:55,109 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:22:55,111 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:22:55,124 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:22:55,153 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2023-12-03 04:22:55,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:22:55,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 04:22:55,165 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 04:22:55,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 04:22:55,165 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:22:55,166 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:22:55,166 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:22:55,167 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:22:55,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2023-12-03 04:22:58,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:22:58,613 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:22:59,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:22:59,194 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:22:59,197 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:22:59,209 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:22:59,239 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2023-12-03 04:22:59,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:22:59,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 04:22:59,252 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 04:22:59,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 04:22:59,252 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:22:59,253 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:22:59,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:22:59,253 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:22:59,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2023-12-03 04:23:02,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:23:02,702 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:23:03,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:23:03,279 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:23:03,280 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:23:03,292 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:23:03,325 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2023-12-03 04:23:03,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:23:03,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 04:23:03,336 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 04:23:03,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 04:23:03,336 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:23:03,337 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:23:03,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:23:03,337 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:23:03,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2023-12-03 04:23:06,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:23:06,607 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:23:07,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:23:07,100 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:23:07,101 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:23:07,114 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:23:07,144 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2023-12-03 04:23:07,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:23:07,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 04:23:07,158 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 04:23:07,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 04:23:07,159 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:23:07,159 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:23:07,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:23:07,160 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:23:07,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2023-12-03 04:23:10,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:23:10,781 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:23:11,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:23:11,314 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:23:11,316 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:23:11,329 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:23:11,361 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Ended with exit code 0 [2023-12-03 04:23:11,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:23:11,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 04:23:11,379 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 04:23:11,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 04:23:11,380 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:23:11,380 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:23:11,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:23:11,381 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:23:11,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2023-12-03 04:23:14,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:23:14,875 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:23:15,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:23:15,425 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:23:15,427 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:23:15,441 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:23:15,474 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Forceful destruction successful, exit code 0 [2023-12-03 04:23:15,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:23:15,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 04:23:15,487 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 04:23:15,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 04:23:15,487 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:23:15,488 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:23:15,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:23:15,488 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:23:15,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2023-12-03 04:23:18,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:23:18,931 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:23:19,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:23:19,426 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:23:19,429 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:23:19,441 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:23:19,473 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Ended with exit code 0 [2023-12-03 04:23:19,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:23:19,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 04:23:19,487 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 04:23:19,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 04:23:19,487 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:23:19,488 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:23:19,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:23:19,488 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:23:19,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2023-12-03 04:23:22,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:23:22,899 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:23:23,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:23:23,382 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:23:23,384 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:23:23,396 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:23:23,429 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Ended with exit code 0 [2023-12-03 04:23:23,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:23:23,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 04:23:23,442 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 04:23:23,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 04:23:23,442 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:23:23,442 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:23:23,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:23:23,443 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:23:23,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2023-12-03 04:23:26,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:23:26,811 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:23:27,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:23:27,365 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:23:27,366 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:23:27,379 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:23:27,412 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Ended with exit code 0 [2023-12-03 04:23:27,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:23:27,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 04:23:27,426 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 04:23:27,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 04:23:27,427 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:23:27,427 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:23:27,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:23:27,428 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:23:27,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2023-12-03 04:23:31,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:23:31,179 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:23:31,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:23:31,656 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:23:31,658 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:23:31,669 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:23:31,703 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Ended with exit code 0 [2023-12-03 04:23:31,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:23:31,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 04:23:31,714 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 04:23:31,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 04:23:31,715 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:23:31,715 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:23:31,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:23:31,716 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:23:31,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2023-12-03 04:23:35,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:23:35,655 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:23:36,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:23:36,187 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:23:36,188 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:23:36,200 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:23:36,234 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Ended with exit code 0 [2023-12-03 04:23:36,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:23:36,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 04:23:36,249 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 04:23:36,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 04:23:36,249 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:23:36,249 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:23:36,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:23:36,250 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:23:36,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2023-12-03 04:23:40,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:23:40,455 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:23:41,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:23:41,071 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:23:41,072 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:23:41,084 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:23:41,118 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Ended with exit code 0 [2023-12-03 04:23:41,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:23:41,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 04:23:41,132 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 04:23:41,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 04:23:41,132 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:23:41,132 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:23:41,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:23:41,133 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:23:41,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (60)] Waiting until timeout for monitored process [2023-12-03 04:23:45,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:23:45,335 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:23:45,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:23:45,853 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:23:45,856 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:23:45,867 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:23:45,903 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (60)] Ended with exit code 0 [2023-12-03 04:23:45,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:23:45,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 04:23:45,914 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 04:23:45,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 04:23:45,914 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:23:45,914 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:23:45,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:23:45,915 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:23:45,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2023-12-03 04:23:50,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:23:50,064 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:23:50,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:23:50,582 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:23:50,584 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:23:50,595 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:23:50,628 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (61)] Ended with exit code 0 [2023-12-03 04:23:50,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:23:50,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 04:23:50,642 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 04:23:50,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 04:23:50,643 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:23:50,643 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:23:50,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:23:50,644 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:23:50,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (62)] Waiting until timeout for monitored process [2023-12-03 04:23:54,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:23:54,762 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:23:55,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:23:55,252 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:23:55,254 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:23:55,266 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:23:55,310 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (62)] Forceful destruction successful, exit code 0 [2023-12-03 04:23:55,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:23:55,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 04:23:55,321 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 04:23:55,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 04:23:55,321 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:23:55,321 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:23:55,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:23:55,322 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:23:55,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (63)] Waiting until timeout for monitored process [2023-12-03 04:23:59,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:23:59,468 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:23:59,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:23:59,941 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:23:59,942 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:23:59,953 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:23:59,988 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (63)] Ended with exit code 0 [2023-12-03 04:23:59,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:23:59,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 04:23:59,999 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 04:23:59,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 04:23:59,999 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:24:00,000 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:24:00,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:24:00,001 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:24:00,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (64)] Waiting until timeout for monitored process [2023-12-03 04:24:04,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:24:04,053 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:24:04,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:24:04,553 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:24:04,554 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:24:04,567 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:24:04,602 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (64)] Ended with exit code 0 [2023-12-03 04:24:04,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:24:04,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 04:24:04,614 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 04:24:04,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 04:24:04,614 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:24:04,615 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:24:04,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:24:04,615 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:24:04,616 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (65)] Waiting until timeout for monitored process [2023-12-03 04:24:08,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:24:08,790 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:24:09,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:24:09,359 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:24:09,361 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:24:09,371 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:24:09,407 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (65)] Ended with exit code 0 [2023-12-03 04:24:09,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:24:09,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 04:24:09,419 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 04:24:09,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 04:24:09,420 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:24:09,420 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:24:09,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:24:09,420 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:24:09,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (66)] Waiting until timeout for monitored process [2023-12-03 04:24:13,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:24:13,840 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:24:14,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:24:14,372 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:24:14,374 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:24:14,385 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:24:14,422 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (66)] Ended with exit code 0 [2023-12-03 04:24:14,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:24:14,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 04:24:14,433 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 04:24:14,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 04:24:14,433 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:24:14,433 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:24:14,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:24:14,434 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:24:14,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (67)] Waiting until timeout for monitored process [2023-12-03 04:24:18,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:24:18,867 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:24:19,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:24:19,401 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:24:19,402 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:24:19,413 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:24:19,448 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (67)] Ended with exit code 0 [2023-12-03 04:24:19,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:24:19,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 04:24:19,459 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 04:24:19,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 04:24:19,460 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:24:19,460 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:24:19,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:24:19,461 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:24:19,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (68)] Waiting until timeout for monitored process [2023-12-03 04:24:23,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:24:23,934 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:24:24,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:24:24,421 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:24:24,422 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:24:24,432 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:24:24,469 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (68)] Ended with exit code 0 [2023-12-03 04:24:24,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:24:24,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 04:24:24,481 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 04:24:24,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 04:24:24,481 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:24:24,482 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:24:24,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:24:24,482 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:24:24,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (69)] Waiting until timeout for monitored process [2023-12-03 04:24:28,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:24:28,920 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:24:29,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:24:29,403 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:24:29,405 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:24:29,415 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:24:29,452 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (69)] Ended with exit code 0 [2023-12-03 04:24:29,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:24:29,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 04:24:29,464 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 04:24:29,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 04:24:29,465 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:24:29,465 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:24:29,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:24:29,465 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:24:29,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (70)] Waiting until timeout for monitored process [2023-12-03 04:24:33,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:24:33,904 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:24:34,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:24:34,416 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:24:34,418 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:24:34,428 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:24:34,465 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (70)] Ended with exit code 0 [2023-12-03 04:24:34,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:24:34,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 04:24:34,477 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 04:24:34,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 04:24:34,477 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:24:34,478 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:24:34,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:24:34,478 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:24:34,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (71)] Waiting until timeout for monitored process [2023-12-03 04:24:39,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:24:39,199 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:24:39,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:24:39,673 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:24:39,675 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:24:39,687 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:24:39,726 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (71)] Ended with exit code 0 [2023-12-03 04:24:39,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:24:39,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 04:24:39,737 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 04:24:39,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 04:24:39,737 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:24:39,737 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:24:39,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:24:39,738 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:24:39,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (72)] Waiting until timeout for monitored process [2023-12-03 04:24:44,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:24:44,352 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:24:44,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:24:44,847 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:24:44,849 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:24:44,859 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:24:44,901 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (72)] Ended with exit code 0 [2023-12-03 04:24:44,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:24:44,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 04:24:44,913 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 04:24:44,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 04:24:44,913 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:24:44,913 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:24:44,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:24:44,914 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:24:44,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (73)] Waiting until timeout for monitored process [2023-12-03 04:24:49,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:24:49,447 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:24:49,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:24:49,959 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:24:49,960 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:24:49,972 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:24:50,014 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (73)] Ended with exit code 0 [2023-12-03 04:24:50,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:24:50,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 04:24:50,026 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 04:24:50,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 04:24:50,026 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:24:50,026 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:24:50,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:24:50,027 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:24:50,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (74)] Waiting until timeout for monitored process [2023-12-03 04:24:54,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:24:54,677 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:24:55,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:24:55,170 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:24:55,171 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:24:55,182 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:24:55,223 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (74)] Ended with exit code 0 [2023-12-03 04:24:55,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:24:55,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 04:24:55,236 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 04:24:55,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 04:24:55,236 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:24:55,236 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:24:55,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:24:55,237 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:24:55,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (75)] Waiting until timeout for monitored process [2023-12-03 04:25:00,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:25:00,016 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:25:00,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:25:00,510 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:25:00,512 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:25:00,523 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:25:00,566 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (75)] Ended with exit code 0 [2023-12-03 04:25:00,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:25:00,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 04:25:00,579 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 04:25:00,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 04:25:00,580 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:25:00,580 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:25:00,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:25:00,580 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:25:00,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (76)] Waiting until timeout for monitored process [2023-12-03 04:25:05,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:25:05,541 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:25:06,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:25:06,096 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:25:06,097 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:25:06,107 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:25:06,149 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (76)] Ended with exit code 0 [2023-12-03 04:25:06,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:25:06,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 04:25:06,159 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 04:25:06,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 04:25:06,160 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:25:06,160 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:25:06,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:25:06,161 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:25:06,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (77)] Waiting until timeout for monitored process [2023-12-03 04:25:11,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:25:11,100 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:25:11,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:25:11,605 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:25:11,607 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:25:11,617 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:25:11,659 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (77)] Ended with exit code 0 [2023-12-03 04:25:11,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:25:11,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 04:25:11,669 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 04:25:11,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 04:25:11,670 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:25:11,670 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:25:11,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:25:11,671 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:25:11,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (78)] Waiting until timeout for monitored process [2023-12-03 04:25:16,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:25:16,520 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:25:16,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:25:17,004 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:25:17,006 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:25:17,017 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:25:17,064 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (78)] Ended with exit code 0 [2023-12-03 04:25:17,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:25:17,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 04:25:17,074 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 04:25:17,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 04:25:17,074 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:25:17,075 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:25:17,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:25:17,075 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:25:17,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (79)] Waiting until timeout for monitored process [2023-12-03 04:25:22,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:25:22,131 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:25:22,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:25:22,581 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:25:22,583 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:25:22,594 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:25:22,637 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (79)] Ended with exit code 0 [2023-12-03 04:25:22,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:25:22,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 04:25:22,649 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 04:25:22,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 04:25:22,649 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:25:22,649 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:25:22,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:25:22,650 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:25:22,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (80)] Waiting until timeout for monitored process [2023-12-03 04:25:27,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:25:27,625 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:25:28,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:25:28,142 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:25:28,143 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:25:28,155 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:25:28,199 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (80)] Ended with exit code 0 [2023-12-03 04:25:28,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:25:28,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 04:25:28,211 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 04:25:28,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 04:25:28,212 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:25:28,212 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:25:28,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:25:28,213 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:25:28,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (81)] Waiting until timeout for monitored process [2023-12-03 04:25:33,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:25:33,424 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:25:33,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:25:33,923 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:25:33,924 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:25:33,935 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:25:33,979 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (81)] Ended with exit code 0 [2023-12-03 04:25:33,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:25:33,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 04:25:33,992 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 04:25:33,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 04:25:33,992 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:25:33,992 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:25:33,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:25:33,993 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:25:33,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (82)] Waiting until timeout for monitored process [2023-12-03 04:25:39,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:25:39,290 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:25:39,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:25:39,778 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:25:39,780 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:25:39,790 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:25:39,836 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (82)] Ended with exit code 0 [2023-12-03 04:25:39,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:25:39,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 04:25:39,848 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 04:25:39,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 04:25:39,849 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:25:39,849 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:25:39,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:25:39,850 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:25:39,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (83)] Waiting until timeout for monitored process [2023-12-03 04:25:45,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:25:45,008 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:25:45,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:25:45,479 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:25:45,480 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:25:45,491 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:25:45,535 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (83)] Ended with exit code 0 [2023-12-03 04:25:45,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:25:45,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 04:25:45,548 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 04:25:45,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 04:25:45,548 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:25:45,548 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:25:45,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:25:45,549 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:25:45,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (84)] Waiting until timeout for monitored process [2023-12-03 04:25:51,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:25:51,163 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:25:51,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:25:51,658 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:25:51,659 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:25:51,670 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:25:51,716 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (84)] Ended with exit code 0 [2023-12-03 04:25:51,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:25:51,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 04:25:51,728 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 04:25:51,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 04:25:51,729 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:25:51,729 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:25:51,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:25:51,730 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:25:51,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (85)] Waiting until timeout for monitored process [2023-12-03 04:25:57,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:25:57,180 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:25:57,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:25:57,709 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:25:57,711 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:25:57,722 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:25:57,770 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (85)] Ended with exit code 0 [2023-12-03 04:25:57,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:25:57,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 04:25:57,783 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 04:25:57,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 04:25:57,784 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:25:57,784 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:25:57,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:25:57,785 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:25:57,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (86)] Waiting until timeout for monitored process [2023-12-03 04:26:03,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:26:03,518 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:26:03,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:26:04,004 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:26:04,006 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:26:04,018 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:26:04,065 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (86)] Ended with exit code 0 [2023-12-03 04:26:04,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:26:04,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 04:26:04,077 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 04:26:04,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 04:26:04,077 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:26:04,077 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:26:04,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:26:04,078 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:26:04,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (87)] Waiting until timeout for monitored process [2023-12-03 04:26:09,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:26:09,398 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:26:09,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:26:09,928 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:26:09,930 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:26:09,940 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:26:09,987 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (87)] Ended with exit code 0 [2023-12-03 04:26:10,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:26:10,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 04:26:10,000 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 04:26:10,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 04:26:10,001 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:26:10,001 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:26:10,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:26:10,002 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:26:10,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (88)] Waiting until timeout for monitored process [2023-12-03 04:26:15,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:26:15,193 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:26:15,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:26:15,666 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:26:15,667 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:26:15,677 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:26:15,725 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (88)] Forceful destruction successful, exit code 0 [2023-12-03 04:26:15,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:26:15,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 04:26:15,737 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 04:26:15,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 04:26:15,737 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:26:15,738 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:26:15,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:26:15,738 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:26:15,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (89)] Waiting until timeout for monitored process [2023-12-03 04:26:21,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:26:21,139 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:26:21,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:26:21,661 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:26:21,663 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:26:21,674 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:26:21,724 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (89)] Ended with exit code 0 [2023-12-03 04:26:21,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:26:21,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 04:26:21,734 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 04:26:21,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 04:26:21,735 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:26:21,735 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:26:21,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:26:21,736 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:26:21,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (90)] Waiting until timeout for monitored process [2023-12-03 04:26:27,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:26:27,391 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:26:27,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:26:27,883 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:26:27,885 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:26:27,895 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:26:27,945 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (90)] Ended with exit code 0 [2023-12-03 04:26:27,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:26:27,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 04:26:27,956 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 04:26:27,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 04:26:27,956 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:26:27,956 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:26:27,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:26:27,957 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:26:27,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (91)] Waiting until timeout for monitored process [2023-12-03 04:26:33,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:26:33,562 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:26:34,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:26:34,050 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:26:34,052 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:26:34,062 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:26:34,111 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (91)] Ended with exit code 0 [2023-12-03 04:26:34,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:26:34,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 04:26:34,123 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 04:26:34,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 04:26:34,123 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:26:34,123 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:26:34,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:26:34,124 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:26:34,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (92)] Waiting until timeout for monitored process [2023-12-03 04:26:39,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:26:39,832 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:26:40,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:26:40,350 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:26:40,351 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:26:40,362 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:26:40,411 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (92)] Ended with exit code 0 [2023-12-03 04:26:40,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:26:40,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 04:26:40,423 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 04:26:40,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 04:26:40,423 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:26:40,423 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:26:40,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:26:40,424 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:26:40,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (93)] Waiting until timeout for monitored process [2023-12-03 04:26:45,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:26:45,911 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:26:46,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:26:46,401 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:26:46,402 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:26:46,413 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:26:46,463 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (93)] Ended with exit code 0 [2023-12-03 04:26:46,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:26:46,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 04:26:46,476 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 04:26:46,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 04:26:46,476 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:26:46,476 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:26:46,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:26:46,477 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:26:46,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (94)] Waiting until timeout for monitored process [2023-12-03 04:26:51,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:26:51,740 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:26:52,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:26:52,242 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:26:52,244 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:26:52,254 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:26:52,305 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (94)] Ended with exit code 0 [2023-12-03 04:26:52,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:26:52,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 04:26:52,316 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 04:26:52,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 04:26:52,316 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:26:52,316 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:26:52,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:26:52,317 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:26:52,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (95)] Waiting until timeout for monitored process [2023-12-03 04:26:58,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:26:58,368 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:26:58,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:26:58,869 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:26:58,871 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:26:58,882 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:26:58,933 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (95)] Ended with exit code 0 [2023-12-03 04:26:58,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:26:58,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 04:26:58,945 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 04:26:58,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 04:26:58,945 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:26:58,946 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:26:58,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:26:58,946 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:26:58,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (96)] Waiting until timeout for monitored process [2023-12-03 04:27:05,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:27:05,169 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:27:05,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:27:05,673 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:27:05,674 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:27:05,685 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:27:05,737 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (96)] Ended with exit code 0 [2023-12-03 04:27:05,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:27:05,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 04:27:05,749 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 04:27:05,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 04:27:05,749 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:27:05,749 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:27:05,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:27:05,750 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:27:05,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (97)] Waiting until timeout for monitored process [2023-12-03 04:27:11,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:27:11,816 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:27:12,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:27:12,310 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:27:12,311 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:27:12,322 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:27:12,375 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (97)] Ended with exit code 0 [2023-12-03 04:27:12,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:27:12,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 04:27:12,388 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 04:27:12,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 04:27:12,388 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:27:12,388 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:27:12,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:27:12,389 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:27:12,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (98)] Waiting until timeout for monitored process [2023-12-03 04:27:18,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:27:18,674 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:27:19,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:27:19,188 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:27:19,190 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:27:19,201 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:27:19,254 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (98)] Ended with exit code 0 [2023-12-03 04:27:19,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:27:19,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 04:27:19,267 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 04:27:19,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 04:27:19,267 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:27:19,268 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:27:19,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:27:19,268 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:27:19,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (99)] Waiting until timeout for monitored process [2023-12-03 04:27:25,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:27:25,480 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:27:25,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:27:25,961 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:27:25,962 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:27:25,973 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:27:26,027 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (99)] Ended with exit code 0 [2023-12-03 04:27:26,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:27:26,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 04:27:26,039 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 04:27:26,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 04:27:26,039 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:27:26,039 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:27:26,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:27:26,040 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:27:26,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (100)] Waiting until timeout for monitored process [2023-12-03 04:27:32,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:27:32,139 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:27:32,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:27:32,629 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:27:32,631 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:27:32,642 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:27:32,697 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (100)] Ended with exit code 0 [2023-12-03 04:27:32,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:27:32,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 04:27:32,709 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 04:27:32,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 04:27:32,709 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:27:32,709 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:27:32,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:27:32,710 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:27:32,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (101)] Waiting until timeout for monitored process [2023-12-03 04:27:38,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:27:39,000 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:27:39,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:27:39,495 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:27:39,497 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:27:39,509 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:27:39,564 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (101)] Ended with exit code 0 [2023-12-03 04:27:39,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:27:39,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 04:27:39,575 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 04:27:39,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 04:27:39,575 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:27:39,575 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:27:39,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:27:39,576 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:27:39,577 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (102)] Waiting until timeout for monitored process [2023-12-03 04:27:45,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:27:45,635 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:27:46,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:27:46,143 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:27:46,145 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:27:46,156 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:27:46,211 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (102)] Ended with exit code 0 [2023-12-03 04:27:46,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:27:46,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 04:27:46,223 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 04:27:46,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 04:27:46,224 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:27:46,224 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:27:46,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:27:46,225 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:27:46,225 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (103)] Waiting until timeout for monitored process [2023-12-03 04:27:52,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:27:52,695 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:27:53,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:27:53,159 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:27:53,161 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:27:53,171 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:27:53,227 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (103)] Ended with exit code 0 [2023-12-03 04:27:53,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:27:53,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 04:27:53,239 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 04:27:53,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 04:27:53,239 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:27:53,240 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:27:53,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:27:53,240 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:27:53,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (104)] Waiting until timeout for monitored process [2023-12-03 04:27:59,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:27:59,619 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:28:00,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:28:00,113 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:28:00,115 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:28:00,125 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:28:00,181 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (104)] Forceful destruction successful, exit code 0 [2023-12-03 04:28:00,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:28:00,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 04:28:00,192 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 04:28:00,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 04:28:00,192 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:28:00,192 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:28:00,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:28:00,193 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:28:00,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (105)] Waiting until timeout for monitored process [2023-12-03 04:28:05,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:28:05,475 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:28:05,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:28:05,987 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:28:05,988 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:28:05,999 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:28:06,056 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (105)] Ended with exit code 0 [2023-12-03 04:28:06,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:28:06,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 04:28:06,066 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 04:28:06,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 04:28:06,067 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:28:06,067 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:28:06,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:28:06,068 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:28:06,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (106)] Waiting until timeout for monitored process [2023-12-03 04:28:12,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:28:12,323 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:28:12,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:28:12,833 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:28:12,834 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:28:12,845 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:28:12,903 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (106)] Ended with exit code 0 [2023-12-03 04:28:12,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:28:12,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 04:28:12,914 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 04:28:12,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 04:28:12,914 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:28:12,914 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:28:12,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:28:12,915 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:28:12,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (107)] Waiting until timeout for monitored process [2023-12-03 04:28:19,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:28:19,327 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:28:19,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:28:19,838 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:28:19,840 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:28:19,851 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:28:19,911 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (107)] Ended with exit code 0 [2023-12-03 04:28:19,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:28:19,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 04:28:19,922 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 04:28:19,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 04:28:19,922 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:28:19,922 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:28:19,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:28:19,923 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:28:19,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (108)] Waiting until timeout for monitored process [2023-12-03 04:28:26,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:28:26,782 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:28:27,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:28:27,283 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:28:27,285 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:28:27,296 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:28:27,355 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (108)] Ended with exit code 0 [2023-12-03 04:28:27,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:28:27,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 04:28:27,365 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 04:28:27,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 04:28:27,365 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:28:27,365 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:28:27,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:28:27,366 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:28:27,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (109)] Waiting until timeout for monitored process [2023-12-03 04:28:34,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:28:34,132 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:28:34,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:28:34,602 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:28:34,604 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:28:34,614 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:28:34,674 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (109)] Ended with exit code 0 [2023-12-03 04:28:34,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:28:34,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 04:28:34,685 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 04:28:34,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 04:28:34,686 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:28:34,686 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:28:34,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:28:34,686 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:28:34,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (110)] Waiting until timeout for monitored process [2023-12-03 04:28:41,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:28:41,606 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:28:42,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:28:42,060 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:28:42,061 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:28:42,073 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:28:42,133 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (110)] Ended with exit code 0 [2023-12-03 04:28:42,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:28:42,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 04:28:42,144 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 04:28:42,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 04:28:42,144 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:28:42,145 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:28:42,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:28:42,145 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:28:42,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (111)] Waiting until timeout for monitored process [2023-12-03 04:28:49,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:28:49,072 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:28:49,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:28:49,583 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:28:49,584 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:28:49,595 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:28:49,655 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (111)] Ended with exit code 0 [2023-12-03 04:28:49,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:28:49,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 04:28:49,667 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 04:28:49,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 04:28:49,667 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:28:49,667 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:28:49,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:28:49,668 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:28:49,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (112)] Waiting until timeout for monitored process [2023-12-03 04:28:56,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:28:56,159 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:28:56,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:28:56,650 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:28:56,652 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:28:56,663 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:28:56,725 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (112)] Ended with exit code 0 [2023-12-03 04:28:56,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:28:56,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 04:28:56,737 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 04:28:56,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 04:28:56,737 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:28:56,737 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:28:56,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:28:56,738 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:28:56,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (113)] Waiting until timeout for monitored process [2023-12-03 04:29:03,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:29:03,643 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:29:04,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:29:04,128 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:29:04,129 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:29:04,139 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:29:04,200 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (113)] Ended with exit code 0 [2023-12-03 04:29:04,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:29:04,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 208 states and 265 transitions. [2023-12-03 04:29:04,240 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 265 transitions. [2023-12-03 04:29:04,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 04:29:04,240 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:29:04,240 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:29:04,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:29:04,241 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:29:04,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16300670-0234-4592-adc4-518a00184c97/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (114)] Waiting until timeout for monitored process