./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-92.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_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/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_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-92.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/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_ea72f215-019c-42eb-bfed-2ac5d625adea/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 1756091b6ded079ef668058c32fa699c9425668d817831da4a2cb65cdded1f5e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 02:45:38,946 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 02:45:39,027 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 02:45:39,033 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 02:45:39,034 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 02:45:39,063 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 02:45:39,064 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 02:45:39,065 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 02:45:39,066 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 02:45:39,066 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 02:45:39,067 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 02:45:39,068 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 02:45:39,068 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 02:45:39,069 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 02:45:39,070 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 02:45:39,070 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 02:45:39,071 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 02:45:39,072 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 02:45:39,072 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 02:45:39,072 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 02:45:39,073 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 02:45:39,074 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 02:45:39,074 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 02:45:39,075 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 02:45:39,075 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 02:45:39,076 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 02:45:39,076 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:45:39,077 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 02:45:39,077 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 02:45:39,078 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 02:45:39,078 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 02:45:39,078 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 02:45:39,093 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 02:45:39,094 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_ea72f215-019c-42eb-bfed-2ac5d625adea/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1756091b6ded079ef668058c32fa699c9425668d817831da4a2cb65cdded1f5e [2023-12-03 02:45:39,354 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 02:45:39,384 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 02:45:39,387 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 02:45:39,388 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 02:45:39,389 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 02:45:39,390 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-92.i [2023-12-03 02:45:42,208 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 02:45:42,427 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 02:45:42,428 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-92.i [2023-12-03 02:45:42,438 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/data/addd0b790/8c553849adf84bfda79ad318ce3a04ff/FLAG6001e5db2 [2023-12-03 02:45:42,453 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/data/addd0b790/8c553849adf84bfda79ad318ce3a04ff [2023-12-03 02:45:42,456 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 02:45:42,458 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 02:45:42,460 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 02:45:42,460 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 02:45:42,466 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 02:45:42,467 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:45:42" (1/1) ... [2023-12-03 02:45:42,469 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57614a47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:45:42, skipping insertion in model container [2023-12-03 02:45:42,469 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:45:42" (1/1) ... [2023-12-03 02:45:42,502 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:45:42,646 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_ea72f215-019c-42eb-bfed-2ac5d625adea/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-92.i[915,928] [2023-12-03 02:45:42,695 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:45:42,710 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 02:45:42,722 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_ea72f215-019c-42eb-bfed-2ac5d625adea/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-92.i[915,928] [2023-12-03 02:45:42,747 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:45:42,766 INFO L206 MainTranslator]: Completed translation [2023-12-03 02:45:42,766 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:45:42 WrapperNode [2023-12-03 02:45:42,766 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 02:45:42,767 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 02:45:42,767 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 02:45:42,768 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 02:45:42,774 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:45:42" (1/1) ... [2023-12-03 02:45:42,785 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:45:42" (1/1) ... [2023-12-03 02:45:42,822 INFO L138 Inliner]: procedures = 26, calls = 30, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 143 [2023-12-03 02:45:42,822 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 02:45:42,823 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 02:45:42,823 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 02:45:42,824 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 02:45:42,833 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:45:42" (1/1) ... [2023-12-03 02:45:42,833 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:45:42" (1/1) ... [2023-12-03 02:45:42,836 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:45:42" (1/1) ... [2023-12-03 02:45:42,836 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:45:42" (1/1) ... [2023-12-03 02:45:42,843 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:45:42" (1/1) ... [2023-12-03 02:45:42,846 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:45:42" (1/1) ... [2023-12-03 02:45:42,848 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:45:42" (1/1) ... [2023-12-03 02:45:42,849 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:45:42" (1/1) ... [2023-12-03 02:45:42,852 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 02:45:42,853 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 02:45:42,853 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 02:45:42,853 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 02:45:42,854 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:45:42" (1/1) ... [2023-12-03 02:45:42,859 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:45:42,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 02:45:42,886 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 02:45:42,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 02:45:42,925 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 02:45:42,925 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-03 02:45:42,926 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-03 02:45:42,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 02:45:42,926 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 02:45:42,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 02:45:43,042 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 02:45:43,045 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 02:45:43,367 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 02:45:43,569 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 02:45:43,569 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 02:45:43,571 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:45:43 BoogieIcfgContainer [2023-12-03 02:45:43,571 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 02:45:43,572 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 02:45:43,572 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 02:45:43,581 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 02:45:43,582 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:45:43" (1/1) ... [2023-12-03 02:45:43,590 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 02:45:43,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:45:43,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 35 states and 52 transitions. [2023-12-03 02:45:43,646 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 52 transitions. [2023-12-03 02:45:43,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-03 02:45:43,655 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:45:43,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:45:43,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:45:43,887 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 02:45:43,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:45:43,997 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 02:45:44,070 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 02:45:44 ImpRootNode [2023-12-03 02:45:44,071 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 02:45:44,072 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 02:45:44,072 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 02:45:44,072 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 02:45:44,073 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:45:43" (3/4) ... [2023-12-03 02:45:44,075 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 02:45:44,076 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 02:45:44,077 INFO L158 Benchmark]: Toolchain (without parser) took 1618.81ms. Allocated memory is still 167.8MB. Free memory was 137.8MB in the beginning and 79.3MB in the end (delta: 58.5MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2023-12-03 02:45:44,078 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 123.7MB. Free memory was 96.5MB in the beginning and 96.4MB in the end (delta: 132.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:45:44,079 INFO L158 Benchmark]: CACSL2BoogieTranslator took 306.91ms. Allocated memory is still 167.8MB. Free memory was 137.6MB in the beginning and 128.5MB in the end (delta: 9.1MB). Peak memory consumption was 13.0MB. Max. memory is 16.1GB. [2023-12-03 02:45:44,079 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.36ms. Allocated memory is still 167.8MB. Free memory was 128.5MB in the beginning and 126.3MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 02:45:44,080 INFO L158 Benchmark]: Boogie Preprocessor took 28.88ms. Allocated memory is still 167.8MB. Free memory was 126.3MB in the beginning and 125.1MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 02:45:44,081 INFO L158 Benchmark]: RCFGBuilder took 718.46ms. Allocated memory is still 167.8MB. Free memory was 125.1MB in the beginning and 106.6MB in the end (delta: 18.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-12-03 02:45:44,082 INFO L158 Benchmark]: CodeCheck took 498.72ms. Allocated memory is still 167.8MB. Free memory was 106.6MB in the beginning and 79.3MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-12-03 02:45:44,082 INFO L158 Benchmark]: Witness Printer took 4.72ms. Allocated memory is still 167.8MB. Free memory is still 79.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:45:44,086 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 35 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 64 NumberOfCodeBlocks, 64 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 95, overapproximation of someBinaryFLOATComparisonOperation at line 95, overapproximation of bitwiseAnd at line 40. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed char var_1_1 = 32; [L23] signed char var_1_2 = 2; [L24] signed char var_1_3 = 8; [L25] signed char var_1_4 = 0; [L26] signed char var_1_5 = 32; [L27] signed char var_1_6 = 10; [L28] double var_1_7 = 1000000.625; [L29] double var_1_8 = 16.65; [L30] signed char var_1_9 = 25; [L31] unsigned char var_1_10 = 0; [L32] unsigned char var_1_11 = 0; [L33] float var_1_12 = 0.25; [L34] unsigned short int var_1_13 = 54726; [L99] isInitial = 1 [L100] FCALL initially() [L101] int k_loop; [L102] k_loop = 0 VAL [isInitial=1, k_loop=0, var_1_10=0, var_1_11=0, var_1_12=1/4, var_1_13=54726, var_1_1=32, var_1_2=2, var_1_3=8, var_1_4=0, var_1_5=32, var_1_6=10, var_1_7=8000005/8, var_1_8=333/20, var_1_9=25] [L102] COND TRUE k_loop < 1 [L103] FCALL updateLastVariables() [L104] CALL updateVariables() [L65] var_1_2 = __VERIFIER_nondet_char() [L66] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=1/4, var_1_13=54726, var_1_1=32, var_1_2=0, var_1_3=8, var_1_4=0, var_1_5=32, var_1_6=10, var_1_7=8000005/8, var_1_8=333/20, var_1_9=25] [L20] COND FALSE !(!cond) [L66] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=1/4, var_1_13=54726, var_1_1=32, var_1_2=0, var_1_3=8, var_1_4=0, var_1_5=32, var_1_6=10, var_1_7=8000005/8, var_1_8=333/20, var_1_9=25] [L67] CALL assume_abort_if_not(var_1_2 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=1/4, var_1_13=54726, var_1_1=32, var_1_2=0, var_1_3=8, var_1_4=0, var_1_5=32, var_1_6=10, var_1_7=8000005/8, var_1_8=333/20, var_1_9=25] [L20] COND FALSE !(!cond) [L67] RET assume_abort_if_not(var_1_2 <= 63) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=1/4, var_1_13=54726, var_1_1=32, var_1_2=0, var_1_3=8, var_1_4=0, var_1_5=32, var_1_6=10, var_1_7=8000005/8, var_1_8=333/20, var_1_9=25] [L68] var_1_3 = __VERIFIER_nondet_char() [L69] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=1/4, var_1_13=54726, var_1_1=32, var_1_2=0, var_1_3=26, var_1_4=0, var_1_5=32, var_1_6=10, var_1_7=8000005/8, var_1_8=333/20, var_1_9=25] [L20] COND FALSE !(!cond) [L69] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=1/4, var_1_13=54726, var_1_1=32, var_1_2=0, var_1_3=26, var_1_4=0, var_1_5=32, var_1_6=10, var_1_7=8000005/8, var_1_8=333/20, var_1_9=25] [L70] CALL assume_abort_if_not(var_1_3 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=1/4, var_1_13=54726, var_1_1=32, var_1_2=0, var_1_3=26, var_1_4=0, var_1_5=32, var_1_6=10, var_1_7=8000005/8, var_1_8=333/20, var_1_9=25] [L20] COND FALSE !(!cond) [L70] RET assume_abort_if_not(var_1_3 <= 63) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=1/4, var_1_13=54726, var_1_1=32, var_1_2=0, var_1_3=26, var_1_4=0, var_1_5=32, var_1_6=10, var_1_7=8000005/8, var_1_8=333/20, var_1_9=25] [L71] var_1_4 = __VERIFIER_nondet_char() [L72] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=1/4, var_1_13=54726, var_1_1=32, var_1_2=0, var_1_3=26, var_1_4=0, var_1_5=32, var_1_6=10, var_1_7=8000005/8, var_1_8=333/20, var_1_9=25] [L20] COND FALSE !(!cond) [L72] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=1/4, var_1_13=54726, var_1_1=32, var_1_2=0, var_1_3=26, var_1_4=0, var_1_5=32, var_1_6=10, var_1_7=8000005/8, var_1_8=333/20, var_1_9=25] [L73] CALL assume_abort_if_not(var_1_4 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=1/4, var_1_13=54726, var_1_1=32, var_1_2=0, var_1_3=26, var_1_4=0, var_1_5=32, var_1_6=10, var_1_7=8000005/8, var_1_8=333/20, var_1_9=25] [L20] COND FALSE !(!cond) [L73] RET assume_abort_if_not(var_1_4 <= 126) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=1/4, var_1_13=54726, var_1_1=32, var_1_2=0, var_1_3=26, var_1_4=0, var_1_5=32, var_1_6=10, var_1_7=8000005/8, var_1_8=333/20, var_1_9=25] [L74] var_1_5 = __VERIFIER_nondet_char() [L75] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=1/4, var_1_13=54726, var_1_1=32, var_1_2=0, var_1_3=26, var_1_4=0, var_1_5=26, var_1_6=10, var_1_7=8000005/8, var_1_8=333/20, var_1_9=25] [L20] COND FALSE !(!cond) [L75] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=1/4, var_1_13=54726, var_1_1=32, var_1_2=0, var_1_3=26, var_1_4=0, var_1_5=26, var_1_6=10, var_1_7=8000005/8, var_1_8=333/20, var_1_9=25] [L76] CALL assume_abort_if_not(var_1_5 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=1/4, var_1_13=54726, var_1_1=32, var_1_2=0, var_1_3=26, var_1_4=0, var_1_5=26, var_1_6=10, var_1_7=8000005/8, var_1_8=333/20, var_1_9=25] [L20] COND FALSE !(!cond) [L76] RET assume_abort_if_not(var_1_5 <= 63) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=1/4, var_1_13=54726, var_1_1=32, var_1_2=0, var_1_3=26, var_1_4=0, var_1_5=26, var_1_6=10, var_1_7=8000005/8, var_1_8=333/20, var_1_9=25] [L77] var_1_6 = __VERIFIER_nondet_char() [L78] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=1/4, var_1_13=54726, var_1_1=32, var_1_2=0, var_1_3=26, var_1_4=0, var_1_5=26, var_1_6=0, var_1_7=8000005/8, var_1_8=333/20, var_1_9=25] [L20] COND FALSE !(!cond) [L78] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=1/4, var_1_13=54726, var_1_1=32, var_1_2=0, var_1_3=26, var_1_4=0, var_1_5=26, var_1_6=0, var_1_7=8000005/8, var_1_8=333/20, var_1_9=25] [L79] CALL assume_abort_if_not(var_1_6 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=1/4, var_1_13=54726, var_1_1=32, var_1_2=0, var_1_3=26, var_1_4=0, var_1_5=26, var_1_6=0, var_1_7=8000005/8, var_1_8=333/20, var_1_9=25] [L20] COND FALSE !(!cond) [L79] RET assume_abort_if_not(var_1_6 <= 63) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=1/4, var_1_13=54726, var_1_1=32, var_1_2=0, var_1_3=26, var_1_4=0, var_1_5=26, var_1_6=0, var_1_7=8000005/8, var_1_8=333/20, var_1_9=25] [L80] var_1_8 = __VERIFIER_nondet_double() [L81] CALL assume_abort_if_not((var_1_8 >= -922337.2036854765600e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854765600e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=1/4, var_1_13=54726, var_1_1=32, var_1_2=0, var_1_3=26, var_1_4=0, var_1_5=26, var_1_6=0, var_1_7=8000005/8, var_1_9=25] [L20] COND FALSE !(!cond) [L81] RET assume_abort_if_not((var_1_8 >= -922337.2036854765600e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854765600e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=1/4, var_1_13=54726, var_1_1=32, var_1_2=0, var_1_3=26, var_1_4=0, var_1_5=26, var_1_6=0, var_1_7=8000005/8, var_1_9=25] [L82] var_1_10 = __VERIFIER_nondet_uchar() [L83] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=1/4, var_1_13=54726, var_1_1=32, var_1_2=0, var_1_3=26, var_1_4=0, var_1_5=26, var_1_6=0, var_1_7=8000005/8, var_1_9=25] [L20] COND FALSE !(!cond) [L83] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, var_1_11=0, var_1_12=1/4, var_1_13=54726, var_1_1=32, var_1_2=0, var_1_3=26, var_1_4=0, var_1_5=26, var_1_6=0, var_1_7=8000005/8, var_1_9=25] [L84] CALL assume_abort_if_not(var_1_10 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=0, var_1_12=1/4, var_1_13=54726, var_1_1=32, var_1_2=0, var_1_3=26, var_1_4=0, var_1_5=26, var_1_6=0, var_1_7=8000005/8, var_1_9=25] [L20] COND FALSE !(!cond) [L84] RET assume_abort_if_not(var_1_10 <= 1) VAL [isInitial=1, var_1_10=1, var_1_11=0, var_1_12=1/4, var_1_13=54726, var_1_1=32, var_1_2=0, var_1_3=26, var_1_4=0, var_1_5=26, var_1_6=0, var_1_7=8000005/8, var_1_9=25] [L85] var_1_11 = __VERIFIER_nondet_uchar() [L86] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=1/4, var_1_13=54726, var_1_1=32, var_1_2=0, var_1_3=26, var_1_4=0, var_1_5=26, var_1_6=0, var_1_7=8000005/8, var_1_9=25] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, var_1_10=1, var_1_12=1/4, var_1_13=54726, var_1_1=32, var_1_2=0, var_1_3=26, var_1_4=0, var_1_5=26, var_1_6=0, var_1_7=8000005/8, var_1_9=25] [L87] CALL assume_abort_if_not(var_1_11 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=1/4, var_1_13=54726, var_1_1=32, var_1_2=0, var_1_3=26, var_1_4=0, var_1_5=26, var_1_6=0, var_1_7=8000005/8, var_1_9=25] [L20] COND FALSE !(!cond) [L87] RET assume_abort_if_not(var_1_11 <= 1) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=1/4, var_1_13=54726, var_1_1=32, var_1_2=0, var_1_3=26, var_1_4=0, var_1_5=26, var_1_6=0, var_1_7=8000005/8, var_1_9=25] [L88] var_1_13 = __VERIFIER_nondet_ushort() [L89] CALL assume_abort_if_not(var_1_13 >= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=1/4, var_1_13=32767, var_1_1=32, var_1_2=0, var_1_3=26, var_1_4=0, var_1_5=26, var_1_6=0, var_1_7=8000005/8, var_1_9=25] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(var_1_13 >= 32767) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=1/4, var_1_13=32767, var_1_1=32, var_1_2=0, var_1_3=26, var_1_4=0, var_1_5=26, var_1_6=0, var_1_7=8000005/8, var_1_9=25] [L90] CALL assume_abort_if_not(var_1_13 <= 65535) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=1/4, var_1_13=32767, var_1_1=32, var_1_2=0, var_1_3=26, var_1_4=0, var_1_5=26, var_1_6=0, var_1_7=8000005/8, var_1_9=25] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not(var_1_13 <= 65535) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=1/4, var_1_13=32767, var_1_1=32, var_1_2=0, var_1_3=26, var_1_4=0, var_1_5=26, var_1_6=0, var_1_7=8000005/8, var_1_9=25] [L104] RET updateVariables() [L105] CALL step() [L38] var_1_1 = ((var_1_2 + var_1_3) - ((((var_1_4) > ((var_1_5 + var_1_6))) ? (var_1_4) : ((var_1_5 + var_1_6))))) [L39] signed char stepLocal_0 = var_1_4; [L40] EXPR var_1_6 & var_1_3 [L40] COND TRUE ((~ var_1_5) * (var_1_6 & var_1_3)) >= stepLocal_0 [L41] var_1_7 = var_1_8 [L43] unsigned char stepLocal_1 = var_1_10; [L44] COND TRUE stepLocal_1 && var_1_11 [L45] var_1_9 = (var_1_3 - var_1_2) [L47] signed long int stepLocal_4 = var_1_13 - var_1_5; [L48] unsigned char stepLocal_3 = var_1_10; [L49] unsigned char stepLocal_2 = var_1_10; [L50] COND TRUE var_1_11 || stepLocal_3 [L51] COND TRUE stepLocal_2 || (((((var_1_2) < (var_1_3)) ? (var_1_2) : (var_1_3))) < 32) [L52] COND FALSE !(stepLocal_4 < var_1_2) [L55] var_1_12 = var_1_8 [L105] RET step() [L106] CALL, EXPR property() [L95] EXPR (var_1_1 == ((signed char) ((var_1_2 + var_1_3) - ((((var_1_4) > ((var_1_5 + var_1_6))) ? (var_1_4) : ((var_1_5 + var_1_6))))))) && ((((~ var_1_5) * (var_1_6 & var_1_3)) >= var_1_4) ? (var_1_7 == ((double) var_1_8)) : 1) [L95] EXPR var_1_6 & var_1_3 [L95] EXPR (var_1_1 == ((signed char) ((var_1_2 + var_1_3) - ((((var_1_4) > ((var_1_5 + var_1_6))) ? (var_1_4) : ((var_1_5 + var_1_6))))))) && ((((~ var_1_5) * (var_1_6 & var_1_3)) >= var_1_4) ? (var_1_7 == ((double) var_1_8)) : 1) [L95-L96] return (((var_1_1 == ((signed char) ((var_1_2 + var_1_3) - ((((var_1_4) > ((var_1_5 + var_1_6))) ? (var_1_4) : ((var_1_5 + var_1_6))))))) && ((((~ var_1_5) * (var_1_6 & var_1_3)) >= var_1_4) ? (var_1_7 == ((double) var_1_8)) : 1)) && ((var_1_10 && var_1_11) ? (var_1_9 == ((signed char) (var_1_3 - var_1_2))) : 1)) && ((var_1_11 || var_1_10) ? ((var_1_10 || (((((var_1_2) < (var_1_3)) ? (var_1_2) : (var_1_3))) < 32)) ? (((var_1_13 - var_1_5) < var_1_2) ? (var_1_12 == ((float) var_1_8)) : (var_1_12 == ((float) var_1_8))) : (var_1_12 == ((float) var_1_8))) : (var_1_12 == ((float) var_1_8))) ; [L106] RET, EXPR property() [L106] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=2, var_1_13=32767, var_1_1=0, var_1_2=0, var_1_3=26, var_1_4=0, var_1_5=26, var_1_6=0, var_1_7=2, var_1_8=2, var_1_9=26] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=2, var_1_13=32767, var_1_1=0, var_1_2=0, var_1_3=26, var_1_4=0, var_1_5=26, var_1_6=0, var_1_7=2, var_1_8=2, var_1_9=26] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 123.7MB. Free memory was 96.5MB in the beginning and 96.4MB in the end (delta: 132.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 306.91ms. Allocated memory is still 167.8MB. Free memory was 137.6MB in the beginning and 128.5MB in the end (delta: 9.1MB). Peak memory consumption was 13.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.36ms. Allocated memory is still 167.8MB. Free memory was 128.5MB in the beginning and 126.3MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.88ms. Allocated memory is still 167.8MB. Free memory was 126.3MB in the beginning and 125.1MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 718.46ms. Allocated memory is still 167.8MB. Free memory was 125.1MB in the beginning and 106.6MB in the end (delta: 18.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 498.72ms. Allocated memory is still 167.8MB. Free memory was 106.6MB in the beginning and 79.3MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Witness Printer took 4.72ms. Allocated memory is still 167.8MB. Free memory is still 79.3MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-03 02:45:44,109 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/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_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/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_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-92.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/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_ea72f215-019c-42eb-bfed-2ac5d625adea/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 1756091b6ded079ef668058c32fa699c9425668d817831da4a2cb65cdded1f5e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 02:45:46,413 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 02:45:46,501 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-03 02:45:46,535 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 02:45:46,536 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 02:45:46,537 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 02:45:46,537 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 02:45:46,538 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 02:45:46,538 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 02:45:46,539 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 02:45:46,540 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 02:45:46,540 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 02:45:46,541 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 02:45:46,541 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 02:45:46,542 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 02:45:46,542 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 02:45:46,543 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 02:45:46,544 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 02:45:46,544 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 02:45:46,545 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 02:45:46,545 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 02:45:46,546 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 02:45:46,547 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 02:45:46,547 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 02:45:46,548 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 02:45:46,548 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 02:45:46,549 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 02:45:46,549 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 02:45:46,550 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:45:46,551 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 02:45:46,551 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 02:45:46,552 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 02:45:46,552 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 02:45:46,553 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 02:45:46,553 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 02:45:46,553 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 02:45:46,553 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 02:45:46,554 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_ea72f215-019c-42eb-bfed-2ac5d625adea/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1756091b6ded079ef668058c32fa699c9425668d817831da4a2cb65cdded1f5e [2023-12-03 02:45:46,874 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 02:45:46,898 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 02:45:46,901 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 02:45:46,902 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 02:45:46,903 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 02:45:46,904 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-92.i [2023-12-03 02:45:49,810 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 02:45:50,047 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 02:45:50,048 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-92.i [2023-12-03 02:45:50,058 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/data/6cf3cbc74/036dcf42ec8e4768a6027b7a18ef0105/FLAGd10ba642c [2023-12-03 02:45:50,073 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/data/6cf3cbc74/036dcf42ec8e4768a6027b7a18ef0105 [2023-12-03 02:45:50,075 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 02:45:50,077 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 02:45:50,079 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 02:45:50,079 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 02:45:50,084 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 02:45:50,084 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:45:50" (1/1) ... [2023-12-03 02:45:50,086 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11321ec5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:45:50, skipping insertion in model container [2023-12-03 02:45:50,086 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:45:50" (1/1) ... [2023-12-03 02:45:50,115 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:45:50,263 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_ea72f215-019c-42eb-bfed-2ac5d625adea/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-92.i[915,928] [2023-12-03 02:45:50,312 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:45:50,331 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 02:45:50,343 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_ea72f215-019c-42eb-bfed-2ac5d625adea/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-92.i[915,928] [2023-12-03 02:45:50,371 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:45:50,392 INFO L206 MainTranslator]: Completed translation [2023-12-03 02:45:50,392 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:45:50 WrapperNode [2023-12-03 02:45:50,392 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 02:45:50,393 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 02:45:50,393 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 02:45:50,394 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 02:45:50,400 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:45:50" (1/1) ... [2023-12-03 02:45:50,413 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:45:50" (1/1) ... [2023-12-03 02:45:50,444 INFO L138 Inliner]: procedures = 27, calls = 30, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 113 [2023-12-03 02:45:50,445 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 02:45:50,446 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 02:45:50,446 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 02:45:50,446 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 02:45:50,455 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:45:50" (1/1) ... [2023-12-03 02:45:50,456 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:45:50" (1/1) ... [2023-12-03 02:45:50,461 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:45:50" (1/1) ... [2023-12-03 02:45:50,462 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:45:50" (1/1) ... [2023-12-03 02:45:50,473 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:45:50" (1/1) ... [2023-12-03 02:45:50,478 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:45:50" (1/1) ... [2023-12-03 02:45:50,481 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:45:50" (1/1) ... [2023-12-03 02:45:50,484 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:45:50" (1/1) ... [2023-12-03 02:45:50,489 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 02:45:50,490 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 02:45:50,490 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 02:45:50,491 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 02:45:50,492 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:45:50" (1/1) ... [2023-12-03 02:45:50,499 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:45:50,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 02:45:50,524 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 02:45:50,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 02:45:50,569 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 02:45:50,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 02:45:50,570 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-03 02:45:50,570 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-03 02:45:50,570 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 02:45:50,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 02:45:50,661 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 02:45:50,663 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 02:45:51,348 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 02:45:51,489 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 02:45:51,490 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 02:45:51,492 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:45:51 BoogieIcfgContainer [2023-12-03 02:45:51,492 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 02:45:51,493 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 02:45:51,493 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 02:45:51,504 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 02:45:51,505 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:45:51" (1/1) ... [2023-12-03 02:45:51,515 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 02:45:51,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:45:51,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 35 states and 52 transitions. [2023-12-03 02:45:51,568 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 52 transitions. [2023-12-03 02:45:51,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-03 02:45:51,573 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:45:51,574 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:45:51,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:45:51,596 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:45:51,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 02:45:52,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:45:52,145 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:45:52,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:45:52,455 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-03 02:45:52,470 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:46:12,833 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-12-03 02:46:12,838 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 02:46:16,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:46:16,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 65 states and 130 transitions. [2023-12-03 02:46:16,080 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 130 transitions. [2023-12-03 02:46:16,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-03 02:46:16,086 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:46:16,086 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:46:16,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:46:16,087 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:46:16,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 02:46:16,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:46:16,570 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:46:16,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:46:16,802 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-03 02:46:16,807 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:46:34,945 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-12-03 02:46:34,949 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 02:46:35,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:46:35,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 65 states and 130 transitions. [2023-12-03 02:46:35,638 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 130 transitions. [2023-12-03 02:46:35,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-03 02:46:35,642 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:46:35,643 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:46:35,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:46:35,644 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:46:35,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 02:46:36,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:46:36,123 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:46:36,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:46:36,446 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-03 02:46:36,452 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:46:53,554 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-12-03 02:46:53,558 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-03 02:46:53,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:46:53,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 65 states and 130 transitions. [2023-12-03 02:46:53,600 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 130 transitions. [2023-12-03 02:46:53,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-03 02:46:53,602 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:46:53,603 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:46:53,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:46:53,604 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:46:53,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-03 02:46:54,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:46:54,070 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:46:54,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:46:54,285 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-03 02:46:54,289 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:47:12,279 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-12-03 02:47:12,284 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-03 02:47:12,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:47:12,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 65 states and 130 transitions. [2023-12-03 02:47:12,323 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 130 transitions. [2023-12-03 02:47:12,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-03 02:47:12,327 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:47:12,327 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:47:12,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:47:12,328 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:47:12,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-03 02:47:12,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:47:12,817 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:47:13,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:47:13,058 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-03 02:47:13,062 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:47:30,421 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-12-03 02:47:30,425 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-03 02:47:30,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:47:30,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 65 states and 130 transitions. [2023-12-03 02:47:30,467 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 130 transitions. [2023-12-03 02:47:30,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-03 02:47:30,470 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:47:30,470 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:47:30,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:47:30,471 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:47:30,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-03 02:47:30,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:47:30,930 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:47:31,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:47:31,125 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-03 02:47:31,129 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:47:47,994 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-12-03 02:47:48,002 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 02:47:48,004 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-03 02:47:48,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:47:48,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 65 states and 130 transitions. [2023-12-03 02:47:48,046 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 130 transitions. [2023-12-03 02:47:48,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-03 02:47:48,048 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:47:48,048 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:47:48,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:47:48,050 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:47:48,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-03 02:47:48,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:47:48,565 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:47:48,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:47:48,925 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-03 02:47:48,929 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:48:06,829 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-12-03 02:48:06,833 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-03 02:48:06,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:48:06,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 65 states and 130 transitions. [2023-12-03 02:48:06,867 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 130 transitions. [2023-12-03 02:48:06,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-03 02:48:06,870 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:48:06,870 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:48:06,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:48:06,871 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:48:06,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-03 02:48:07,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:48:07,352 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:48:07,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:48:07,623 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 02:48:07,626 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:48:25,595 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 137 proven. 10 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2023-12-03 02:48:25,599 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-12-03 02:48:32,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:48:32,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 75 states and 160 transitions. [2023-12-03 02:48:32,200 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 160 transitions. [2023-12-03 02:48:32,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-03 02:48:32,202 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:48:32,202 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:48:32,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:48:32,203 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:48:32,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-03 02:48:32,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:48:32,742 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:48:32,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:48:32,925 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-03 02:48:32,928 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:48:52,542 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-12-03 02:48:52,546 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2023-12-03 02:48:59,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:48:59,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 89 states and 212 transitions. [2023-12-03 02:48:59,351 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 212 transitions. [2023-12-03 02:48:59,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-03 02:48:59,353 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:48:59,353 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:48:59,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:48:59,355 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:48:59,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-03 02:48:59,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:48:59,833 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:49:00,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:00,038 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 02:49:00,042 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:49:17,887 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 137 proven. 10 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2023-12-03 02:49:17,892 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2023-12-03 02:49:18,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:49:18,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 89 states and 212 transitions. [2023-12-03 02:49:18,569 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 212 transitions. [2023-12-03 02:49:18,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-03 02:49:18,571 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:49:18,572 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:49:18,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:49:18,573 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:49:18,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-03 02:49:19,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:19,045 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:49:19,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:19,388 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 20 conjunts are in the unsatisfiable core [2023-12-03 02:49:19,391 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:49:39,054 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-12-03 02:49:39,058 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2023-12-03 02:49:43,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:49:43,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 108 states and 298 transitions. [2023-12-03 02:49:43,627 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 298 transitions. [2023-12-03 02:49:43,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-03 02:49:43,629 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:49:43,629 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:49:43,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:49:43,631 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:49:43,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-12-03 02:49:44,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:44,106 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:49:44,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:44,338 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-03 02:49:44,341 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:50:02,524 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-12-03 02:50:02,528 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2023-12-03 02:50:08,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:50:08,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 110 states and 320 transitions. [2023-12-03 02:50:08,053 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 320 transitions. [2023-12-03 02:50:08,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-03 02:50:08,055 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:50:08,055 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:50:08,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:50:08,056 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:50:08,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-12-03 02:50:08,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:08,532 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:50:08,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:08,890 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-03 02:50:08,893 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:50:26,285 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-12-03 02:50:26,289 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Forceful destruction successful, exit code 0 [2023-12-03 02:50:27,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:50:27,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 110 states and 320 transitions. [2023-12-03 02:50:27,548 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 320 transitions. [2023-12-03 02:50:27,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-03 02:50:27,550 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:50:27,550 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:50:27,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:50:27,551 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:50:27,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-12-03 02:50:28,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:28,041 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:50:28,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:28,283 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-03 02:50:28,286 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:50:45,950 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-12-03 02:50:45,954 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2023-12-03 02:50:46,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:50:46,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 110 states and 320 transitions. [2023-12-03 02:50:46,901 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 320 transitions. [2023-12-03 02:50:46,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-03 02:50:46,902 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:50:46,902 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:50:46,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:50:46,904 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:50:46,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2023-12-03 02:50:47,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:47,379 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:50:47,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:47,625 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-03 02:50:47,628 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:51:04,580 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 137 proven. 10 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2023-12-03 02:51:04,584 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2023-12-03 02:51:10,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:51:10,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 122 states and 324 transitions. [2023-12-03 02:51:10,017 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 324 transitions. [2023-12-03 02:51:10,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-03 02:51:10,018 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:51:10,018 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:51:10,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:51:10,019 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:51:10,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2023-12-03 02:51:10,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:51:10,485 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:51:10,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:51:10,788 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-03 02:51:10,791 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:51:27,726 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-12-03 02:51:27,730 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Forceful destruction successful, exit code 0 [2023-12-03 02:51:28,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:51:28,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 122 states and 324 transitions. [2023-12-03 02:51:28,602 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 324 transitions. [2023-12-03 02:51:28,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-03 02:51:28,604 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:51:28,604 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:51:28,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:51:28,605 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:51:28,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2023-12-03 02:51:29,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:51:29,058 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:51:29,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:51:29,312 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-03 02:51:29,316 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:51:46,640 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-12-03 02:51:46,643 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2023-12-03 02:51:46,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:51:46,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 122 states and 324 transitions. [2023-12-03 02:51:46,667 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 324 transitions. [2023-12-03 02:51:46,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-03 02:51:46,669 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:51:46,669 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:51:46,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:51:46,670 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:51:46,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2023-12-03 02:51:47,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:51:47,132 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:51:47,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:51:47,372 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-03 02:51:47,374 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:52:04,822 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-12-03 02:52:04,825 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2023-12-03 02:52:10,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:52:10,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 124 states and 342 transitions. [2023-12-03 02:52:10,889 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 342 transitions. [2023-12-03 02:52:10,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-03 02:52:10,890 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:52:10,890 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:52:10,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:52:10,891 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:52:10,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2023-12-03 02:52:11,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:52:11,375 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:52:11,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:52:11,582 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-03 02:52:11,585 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:52:28,207 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-12-03 02:52:28,210 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2023-12-03 02:52:28,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:52:28,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 124 states and 342 transitions. [2023-12-03 02:52:28,233 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 342 transitions. [2023-12-03 02:52:28,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-03 02:52:28,235 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:52:28,235 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:52:28,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:52:28,236 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:52:28,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2023-12-03 02:52:28,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:52:28,699 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:52:28,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:52:28,918 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-03 02:52:28,921 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:52:46,337 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-12-03 02:52:46,341 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2023-12-03 02:52:47,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:52:47,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 124 states and 342 transitions. [2023-12-03 02:52:47,807 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 342 transitions. [2023-12-03 02:52:47,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-03 02:52:47,808 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:52:47,808 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:52:47,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:52:47,809 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:52:47,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2023-12-03 02:52:48,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:52:48,279 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:52:48,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:52:48,490 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-03 02:52:48,492 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:53:05,402 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-12-03 02:53:05,406 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2023-12-03 02:53:05,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:53:05,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 124 states and 342 transitions. [2023-12-03 02:53:05,444 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 342 transitions. [2023-12-03 02:53:05,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-03 02:53:05,445 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:53:05,445 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:53:05,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:53:05,446 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:53:05,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2023-12-03 02:53:05,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:53:05,916 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:53:06,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:53:06,231 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-03 02:53:06,234 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:53:23,484 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-12-03 02:53:23,487 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2023-12-03 02:53:24,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:53:24,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 124 states and 342 transitions. [2023-12-03 02:53:24,955 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 342 transitions. [2023-12-03 02:53:24,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-03 02:53:24,956 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:53:24,956 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:53:24,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:53:24,957 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:53:24,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2023-12-03 02:53:25,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:53:25,419 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:53:25,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:53:25,697 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-03 02:53:25,700 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:53:43,316 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-12-03 02:53:43,320 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2023-12-03 02:53:43,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:53:43,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 124 states and 342 transitions. [2023-12-03 02:53:43,352 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 342 transitions. [2023-12-03 02:53:43,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-03 02:53:43,353 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:53:43,354 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:53:43,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:53:43,355 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:53:43,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2023-12-03 02:53:43,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:53:43,852 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:53:44,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:53:44,075 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-03 02:53:44,078 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:54:02,270 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-12-03 02:54:02,273 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2023-12-03 02:54:02,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:54:02,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 124 states and 342 transitions. [2023-12-03 02:54:02,298 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 342 transitions. [2023-12-03 02:54:02,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-03 02:54:02,299 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:54:02,299 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:54:02,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:54:02,300 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:54:02,301 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2023-12-03 02:54:02,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:02,760 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:54:03,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:03,043 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-03 02:54:03,045 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:54:20,623 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-12-03 02:54:20,627 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2023-12-03 02:54:22,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:54:22,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 124 states and 342 transitions. [2023-12-03 02:54:22,043 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 342 transitions. [2023-12-03 02:54:22,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-03 02:54:22,044 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:54:22,044 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:54:22,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:54:22,046 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:54:22,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2023-12-03 02:54:22,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:22,525 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:54:22,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:22,703 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-03 02:54:22,706 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:54:40,192 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-12-03 02:54:40,196 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2023-12-03 02:54:41,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:54:41,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 124 states and 342 transitions. [2023-12-03 02:54:41,624 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 342 transitions. [2023-12-03 02:54:41,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-03 02:54:41,625 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:54:41,625 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:54:41,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:54:41,626 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:54:41,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2023-12-03 02:54:42,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:42,105 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:54:42,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:42,399 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-03 02:54:42,402 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:55:00,249 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-12-03 02:55:00,253 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Forceful destruction successful, exit code 0 [2023-12-03 02:55:01,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:55:01,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 124 states and 342 transitions. [2023-12-03 02:55:01,665 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 342 transitions. [2023-12-03 02:55:01,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-03 02:55:01,666 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:55:01,666 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:55:01,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:55:01,667 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:55:01,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2023-12-03 02:55:02,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:55:02,160 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:55:02,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:55:02,412 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-03 02:55:02,415 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:55:19,429 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-12-03 02:55:19,433 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2023-12-03 02:55:19,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:55:19,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 124 states and 342 transitions. [2023-12-03 02:55:19,458 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 342 transitions. [2023-12-03 02:55:19,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-03 02:55:19,459 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:55:19,460 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:55:19,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:55:19,461 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:55:19,462 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2023-12-03 02:55:19,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:55:19,929 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:55:20,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:55:20,189 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-03 02:55:20,192 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:55:37,381 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-12-03 02:55:37,386 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Forceful destruction successful, exit code 0 [2023-12-03 02:55:37,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:55:37,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 124 states and 342 transitions. [2023-12-03 02:55:37,407 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 342 transitions. [2023-12-03 02:55:37,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-03 02:55:37,408 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:55:37,408 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:55:37,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:55:37,409 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:55:37,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2023-12-03 02:55:37,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:55:37,896 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:55:38,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:55:38,182 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-03 02:55:38,185 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:55:52,617 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-12-03 02:55:52,620 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2023-12-03 02:55:52,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:55:52,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 124 states and 342 transitions. [2023-12-03 02:55:52,640 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 342 transitions. [2023-12-03 02:55:52,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-03 02:55:52,641 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:55:52,641 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:55:52,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:55:52,642 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:55:52,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2023-12-03 02:55:53,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:55:53,013 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:55:53,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:55:53,244 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-03 02:55:53,245 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:56:09,081 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-12-03 02:56:09,085 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2023-12-03 02:56:09,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:56:09,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 124 states and 342 transitions. [2023-12-03 02:56:09,112 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 342 transitions. [2023-12-03 02:56:09,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-03 02:56:09,112 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:56:09,113 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:56:09,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:56:09,114 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:56:09,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2023-12-03 02:56:09,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:56:09,579 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:56:09,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:56:09,914 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-03 02:56:09,916 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:56:26,437 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-12-03 02:56:26,441 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2023-12-03 02:56:26,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:56:26,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 124 states and 342 transitions. [2023-12-03 02:56:26,462 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 342 transitions. [2023-12-03 02:56:26,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-03 02:56:26,463 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:56:26,464 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:56:26,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:56:26,464 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:56:26,465 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2023-12-03 02:56:26,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:56:26,912 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:56:27,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:56:27,176 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-03 02:56:27,178 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:56:41,381 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-12-03 02:56:41,384 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2023-12-03 02:56:41,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:56:41,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 124 states and 342 transitions. [2023-12-03 02:56:41,404 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 342 transitions. [2023-12-03 02:56:41,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-03 02:56:41,405 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:56:41,405 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:56:41,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:56:41,406 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:56:41,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2023-12-03 02:56:41,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:56:41,766 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:56:41,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:56:41,923 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-03 02:56:41,924 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:56:55,741 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-12-03 02:56:55,745 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2023-12-03 02:56:55,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:56:55,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 124 states and 342 transitions. [2023-12-03 02:56:55,764 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 342 transitions. [2023-12-03 02:56:55,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-03 02:56:55,765 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:56:55,765 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:56:55,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:56:55,766 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:56:55,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2023-12-03 02:56:56,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:56:56,142 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:56:56,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:56:56,373 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-03 02:56:56,375 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:57:09,651 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-12-03 02:57:09,655 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2023-12-03 02:57:09,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:57:09,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 124 states and 342 transitions. [2023-12-03 02:57:09,673 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 342 transitions. [2023-12-03 02:57:09,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-03 02:57:09,674 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:57:09,674 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:57:09,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:57:09,675 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:57:09,676 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2023-12-03 02:57:10,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:57:10,089 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:57:10,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:57:10,224 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-03 02:57:10,226 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:57:23,304 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-12-03 02:57:23,307 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2023-12-03 02:57:23,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:57:23,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 124 states and 342 transitions. [2023-12-03 02:57:23,324 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 342 transitions. [2023-12-03 02:57:23,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-03 02:57:23,325 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:57:23,325 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:57:23,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:57:23,326 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:57:23,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2023-12-03 02:57:23,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:57:23,696 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:57:23,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:57:23,976 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-03 02:57:23,978 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:57:37,487 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-12-03 02:57:37,491 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2023-12-03 02:57:37,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:57:37,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 124 states and 342 transitions. [2023-12-03 02:57:37,512 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 342 transitions. [2023-12-03 02:57:37,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-03 02:57:37,512 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:57:37,512 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:57:37,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:57:37,513 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:57:37,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2023-12-03 02:57:37,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:57:37,906 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:57:38,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:57:38,072 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-03 02:57:38,074 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:57:51,556 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-12-03 02:57:51,559 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2023-12-03 02:57:51,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:57:51,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 124 states and 342 transitions. [2023-12-03 02:57:51,585 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 342 transitions. [2023-12-03 02:57:51,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-03 02:57:51,586 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:57:51,586 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:57:51,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:57:51,587 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:57:51,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2023-12-03 02:57:51,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:57:51,951 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:57:52,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:57:52,105 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-03 02:57:52,107 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:58:06,164 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-12-03 02:58:06,168 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2023-12-03 02:58:06,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:58:06,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 124 states and 342 transitions. [2023-12-03 02:58:06,187 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 342 transitions. [2023-12-03 02:58:06,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-03 02:58:06,188 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:58:06,188 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:58:06,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:58:06,189 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:58:06,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2023-12-03 02:58:06,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:58:06,563 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:58:06,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:58:06,724 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-03 02:58:06,726 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:58:20,958 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-12-03 02:58:20,962 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2023-12-03 02:58:20,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:58:20,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 124 states and 342 transitions. [2023-12-03 02:58:20,980 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 342 transitions. [2023-12-03 02:58:20,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-03 02:58:20,980 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:58:20,981 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:58:20,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:58:20,981 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:58:20,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2023-12-03 02:58:21,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:58:21,362 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:58:21,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:58:21,554 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-03 02:58:21,556 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:58:36,152 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-12-03 02:58:36,156 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2023-12-03 02:58:36,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:58:36,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 124 states and 342 transitions. [2023-12-03 02:58:36,184 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 342 transitions. [2023-12-03 02:58:36,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-03 02:58:36,185 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:58:36,185 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:58:36,185 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:58:36,186 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:58:36,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2023-12-03 02:58:36,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:58:36,556 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:58:36,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:58:36,728 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-03 02:58:36,729 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:58:50,538 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-12-03 02:58:50,541 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2023-12-03 02:58:50,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:58:50,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 124 states and 342 transitions. [2023-12-03 02:58:50,560 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 342 transitions. [2023-12-03 02:58:50,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-03 02:58:50,561 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:58:50,561 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:58:50,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:58:50,562 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:58:50,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2023-12-03 02:58:50,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:58:50,997 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:58:51,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:58:51,160 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-03 02:58:51,162 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:59:04,648 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-12-03 02:59:04,652 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2023-12-03 02:59:04,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:59:04,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 124 states and 342 transitions. [2023-12-03 02:59:04,673 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 342 transitions. [2023-12-03 02:59:04,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-03 02:59:04,674 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:59:04,674 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:59:04,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:59:04,675 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:59:04,676 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2023-12-03 02:59:05,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:59:05,051 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:59:05,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:59:05,248 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-03 02:59:05,250 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:59:18,927 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-12-03 02:59:18,930 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2023-12-03 02:59:18,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:59:18,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 124 states and 342 transitions. [2023-12-03 02:59:18,949 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 342 transitions. [2023-12-03 02:59:18,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-03 02:59:18,949 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:59:18,949 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:59:18,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:59:18,950 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:59:18,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2023-12-03 02:59:19,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:59:19,310 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:59:19,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:59:19,471 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-03 02:59:19,473 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:59:32,822 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 137 proven. 10 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2023-12-03 02:59:32,826 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2023-12-03 02:59:33,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:59:33,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 124 states and 342 transitions. [2023-12-03 02:59:33,542 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 342 transitions. [2023-12-03 02:59:33,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-03 02:59:33,543 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:59:33,543 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:59:33,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:59:33,543 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:59:33,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2023-12-03 02:59:33,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:59:33,935 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:59:34,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:59:34,156 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-03 02:59:34,158 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:59:47,447 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-12-03 02:59:47,451 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2023-12-03 02:59:47,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:59:47,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 124 states and 342 transitions. [2023-12-03 02:59:47,469 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 342 transitions. [2023-12-03 02:59:47,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-03 02:59:47,470 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:59:47,470 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:59:47,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:59:47,471 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:59:47,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2023-12-03 02:59:47,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:59:47,849 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:59:47,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:59:47,999 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-03 02:59:48,001 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:00:01,689 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-12-03 03:00:01,693 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2023-12-03 03:00:01,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:00:01,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 124 states and 342 transitions. [2023-12-03 03:00:01,712 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 342 transitions. [2023-12-03 03:00:01,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-03 03:00:01,712 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:00:01,712 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:00:01,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:00:01,713 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:00:01,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2023-12-03 03:00:02,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:00:02,084 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:00:02,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:00:02,219 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-03 03:00:02,221 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:00:15,356 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-12-03 03:00:15,359 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2023-12-03 03:00:15,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:00:15,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 124 states and 342 transitions. [2023-12-03 03:00:15,379 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 342 transitions. [2023-12-03 03:00:15,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-03 03:00:15,380 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:00:15,380 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:00:15,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:00:15,381 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:00:15,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2023-12-03 03:00:15,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:00:15,749 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:00:15,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:00:15,940 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-03 03:00:15,941 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:00:29,634 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 172 proven. 22 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-12-03 03:00:29,638 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Forceful destruction successful, exit code 0 [2023-12-03 03:00:29,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:00:29,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 124 states and 342 transitions. [2023-12-03 03:00:29,657 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 342 transitions. [2023-12-03 03:00:29,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-03 03:00:29,657 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:00:29,657 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:00:29,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:00:29,658 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:00:29,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea72f215-019c-42eb-bfed-2ac5d625adea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process