./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_am2910_p3.c --full-output --architecture 64bit -------------------------------------------------------------------------------- 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_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/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_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_am2910_p3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/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 64bit --witnessprinter.graph.data.programhash 03c3c0226be86be0ec03a0662affe26020abe8242f0c910b49f1d4231c5f2564 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 02:28:07,826 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 02:28:07,897 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-12-03 02:28:07,901 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 02:28:07,902 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 02:28:07,926 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 02:28:07,927 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 02:28:07,927 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 02:28:07,928 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 02:28:07,929 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 02:28:07,929 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 02:28:07,930 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 02:28:07,930 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 02:28:07,931 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 02:28:07,931 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 02:28:07,932 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 02:28:07,932 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 02:28:07,933 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 02:28:07,933 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 02:28:07,934 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 02:28:07,934 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 02:28:07,935 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 02:28:07,936 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 02:28:07,936 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:28:07,937 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 02:28:07,937 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 02:28:07,938 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 02:28:07,938 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 02:28:07,938 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 02:28:07,939 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 02:28:07,939 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_59f5c268-87c3-4592-b25e-bfc58d127529/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 03c3c0226be86be0ec03a0662affe26020abe8242f0c910b49f1d4231c5f2564 [2023-12-03 02:28:08,149 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 02:28:08,171 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 02:28:08,174 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 02:28:08,175 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 02:28:08,176 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 02:28:08,177 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_am2910_p3.c [2023-12-03 02:28:11,022 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 02:28:11,302 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 02:28:11,303 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_am2910_p3.c [2023-12-03 02:28:11,323 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/data/27c1aaa36/2e36a7290b4c4cd1a73acf7ab32cc953/FLAGa500997d1 [2023-12-03 02:28:11,339 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/data/27c1aaa36/2e36a7290b4c4cd1a73acf7ab32cc953 [2023-12-03 02:28:11,341 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 02:28:11,343 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 02:28:11,344 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 02:28:11,345 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 02:28:11,350 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 02:28:11,351 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:28:11" (1/1) ... [2023-12-03 02:28:11,352 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ebaec10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:28:11, skipping insertion in model container [2023-12-03 02:28:11,352 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:28:11" (1/1) ... [2023-12-03 02:28:11,432 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:28:11,614 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_59f5c268-87c3-4592-b25e-bfc58d127529/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_am2910_p3.c[1260,1273] [2023-12-03 02:28:11,982 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:28:11,991 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 02:28:12,004 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_59f5c268-87c3-4592-b25e-bfc58d127529/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_am2910_p3.c[1260,1273] [2023-12-03 02:28:12,195 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:28:12,210 INFO L206 MainTranslator]: Completed translation [2023-12-03 02:28:12,211 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:28:12 WrapperNode [2023-12-03 02:28:12,211 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 02:28:12,212 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 02:28:12,212 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 02:28:12,212 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 02:28:12,220 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:28:12" (1/1) ... [2023-12-03 02:28:12,275 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:28:12" (1/1) ... [2023-12-03 02:28:12,753 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 5618 [2023-12-03 02:28:12,754 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 02:28:12,754 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 02:28:12,755 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 02:28:12,755 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 02:28:12,764 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:28:12" (1/1) ... [2023-12-03 02:28:12,764 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:28:12" (1/1) ... [2023-12-03 02:28:12,856 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:28:12" (1/1) ... [2023-12-03 02:28:12,856 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:28:12" (1/1) ... [2023-12-03 02:28:12,987 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:28:12" (1/1) ... [2023-12-03 02:28:13,020 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:28:12" (1/1) ... [2023-12-03 02:28:13,100 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:28:12" (1/1) ... [2023-12-03 02:28:13,123 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:28:12" (1/1) ... [2023-12-03 02:28:13,229 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 02:28:13,230 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 02:28:13,230 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 02:28:13,230 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 02:28:13,231 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:28:12" (1/1) ... [2023-12-03 02:28:13,237 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:28:13,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 02:28:13,263 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 02:28:13,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 02:28:13,301 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 02:28:13,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 02:28:13,301 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 02:28:13,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 02:28:13,708 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 02:28:13,710 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 02:28:17,276 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 02:28:23,984 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 02:28:23,984 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 02:28:23,985 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:28:23 BoogieIcfgContainer [2023-12-03 02:28:23,986 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 02:28:23,986 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 02:28:23,986 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 02:28:23,994 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 02:28:23,994 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:28:23" (1/1) ... [2023-12-03 02:28:24,000 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 02:28:24,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:28:24,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-03 02:28:24,039 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-03 02:28:24,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 02:28:24,040 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:28:24,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:28:24,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:28:24,498 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 02:28:24,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:28:25,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:28:25,208 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 02:28:25,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:28:25,721 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 02:28:25,759 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-12-03 02:28:25,767 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 02:28:25 ImpRootNode [2023-12-03 02:28:25,767 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 02:28:25,768 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 02:28:25,768 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 02:28:25,768 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 02:28:25,769 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:28:23" (3/4) ... [2023-12-03 02:28:25,771 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 02:28:25,772 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 02:28:25,773 INFO L158 Benchmark]: Toolchain (without parser) took 14430.14ms. Allocated memory was 142.6MB in the beginning and 1.8GB in the end (delta: 1.6GB). Free memory was 93.6MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 537.4MB. Max. memory is 16.1GB. [2023-12-03 02:28:25,774 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 142.6MB. Free memory is still 92.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:28:25,775 INFO L158 Benchmark]: CACSL2BoogieTranslator took 866.81ms. Allocated memory was 142.6MB in the beginning and 195.0MB in the end (delta: 52.4MB). Free memory was 93.3MB in the beginning and 108.9MB in the end (delta: -15.7MB). Peak memory consumption was 43.1MB. Max. memory is 16.1GB. [2023-12-03 02:28:25,776 INFO L158 Benchmark]: Boogie Procedure Inliner took 541.91ms. Allocated memory was 195.0MB in the beginning and 285.2MB in the end (delta: 90.2MB). Free memory was 108.9MB in the beginning and 163.9MB in the end (delta: -55.0MB). Peak memory consumption was 96.8MB. Max. memory is 16.1GB. [2023-12-03 02:28:25,776 INFO L158 Benchmark]: Boogie Preprocessor took 474.96ms. Allocated memory is still 285.2MB. Free memory was 163.9MB in the beginning and 119.9MB in the end (delta: 44.0MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2023-12-03 02:28:25,777 INFO L158 Benchmark]: RCFGBuilder took 10755.54ms. Allocated memory was 285.2MB in the beginning and 1.8GB in the end (delta: 1.5GB). Free memory was 119.9MB in the beginning and 1.3GB in the end (delta: -1.2GB). Peak memory consumption was 594.5MB. Max. memory is 16.1GB. [2023-12-03 02:28:25,778 INFO L158 Benchmark]: CodeCheck took 1780.84ms. Allocated memory is still 1.8GB. Free memory was 1.3GB in the beginning and 1.2GB in the end (delta: 141.6MB). Peak memory consumption was 140.5MB. Max. memory is 16.1GB. [2023-12-03 02:28:25,778 INFO L158 Benchmark]: Witness Printer took 4.47ms. Allocated memory is still 1.8GB. Free memory was 1.2GB in the beginning and 1.2GB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 02:28:25,782 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 1 procedures, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, 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: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 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: 21]: 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 bitwiseOr at line 174, overapproximation of bitwiseAnd at line 153. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 12); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (12 - 1); [L29] const SORT_8 mask_SORT_8 = (SORT_8)-1 >> (sizeof(SORT_8) * 8 - 1); [L30] const SORT_8 msb_SORT_8 = (SORT_8)1 << (1 - 1); [L32] const SORT_13 mask_SORT_13 = (SORT_13)-1 >> (sizeof(SORT_13) * 8 - 4); [L33] const SORT_13 msb_SORT_13 = (SORT_13)1 << (4 - 1); [L35] const SORT_97 mask_SORT_97 = (SORT_97)-1 >> (sizeof(SORT_97) * 8 - 3); [L36] const SORT_97 msb_SORT_97 = (SORT_97)1 << (3 - 1); [L38] const SORT_305 mask_SORT_305 = (SORT_305)-1 >> (sizeof(SORT_305) * 8 - 2); [L39] const SORT_305 msb_SORT_305 = (SORT_305)1 << (2 - 1); [L41] const SORT_309 mask_SORT_309 = (SORT_309)-1 >> (sizeof(SORT_309) * 8 - 5); [L42] const SORT_309 msb_SORT_309 = (SORT_309)1 << (5 - 1); [L44] const SORT_311 mask_SORT_311 = (SORT_311)-1 >> (sizeof(SORT_311) * 8 - 6); [L45] const SORT_311 msb_SORT_311 = (SORT_311)1 << (6 - 1); [L47] const SORT_313 mask_SORT_313 = (SORT_313)-1 >> (sizeof(SORT_313) * 8 - 7); [L48] const SORT_313 msb_SORT_313 = (SORT_313)1 << (7 - 1); [L50] const SORT_315 mask_SORT_315 = (SORT_315)-1 >> (sizeof(SORT_315) * 8 - 8); [L51] const SORT_315 msb_SORT_315 = (SORT_315)1 << (8 - 1); [L53] const SORT_317 mask_SORT_317 = (SORT_317)-1 >> (sizeof(SORT_317) * 8 - 9); [L54] const SORT_317 msb_SORT_317 = (SORT_317)1 << (9 - 1); [L56] const SORT_319 mask_SORT_319 = (SORT_319)-1 >> (sizeof(SORT_319) * 8 - 10); [L57] const SORT_319 msb_SORT_319 = (SORT_319)1 << (10 - 1); [L59] const SORT_321 mask_SORT_321 = (SORT_321)-1 >> (sizeof(SORT_321) * 8 - 11); [L60] const SORT_321 msb_SORT_321 = (SORT_321)1 << (11 - 1); [L62] const SORT_8 var_18 = 0; [L63] const SORT_1 var_22 = 0; [L64] const SORT_1 var_25 = 2; [L65] const SORT_1 var_47 = 1; [L66] const SORT_8 var_52 = 1; [L67] const SORT_13 var_56 = 2; [L68] const SORT_13 var_61 = 9; [L69] const SORT_13 var_69 = 15; [L70] const SORT_13 var_74 = 1; [L71] const SORT_13 var_76 = 3; [L72] const SORT_13 var_79 = 5; [L73] const SORT_13 var_82 = 7; [L74] const SORT_13 var_85 = 11; [L75] const SORT_97 var_98 = 0; [L76] const SORT_13 var_111 = 8; [L77] const SORT_13 var_115 = 10; [L78] const SORT_13 var_119 = 13; [L79] const SORT_13 var_130 = 4; [L80] const SORT_13 var_132 = 12; [L81] const SORT_13 var_135 = 14; [L82] const SORT_13 var_141 = 6; [L83] const SORT_13 var_168 = 0; [L84] const SORT_97 var_216 = 1; [L85] const SORT_97 var_218 = 5; [L86] const SORT_1 var_245 = 4095; [L87] const SORT_321 var_592 = 0; [L89] SORT_1 input_2; [L90] SORT_1 input_3; [L91] SORT_1 input_4; [L92] SORT_1 input_5; [L93] SORT_1 input_6; [L94] SORT_1 input_7; [L95] SORT_8 input_9; [L96] SORT_8 input_10; [L97] SORT_8 input_11; [L98] SORT_1 input_12; [L99] SORT_13 input_14; [L100] SORT_8 input_15; [L101] SORT_8 input_16; [L102] SORT_8 input_17; [L103] SORT_1 input_210; [L104] SORT_97 input_212; [L105] SORT_1 input_232; [L106] SORT_97 input_235; [L108] EXPR __VERIFIER_nondet_uchar() & mask_SORT_8 [L108] SORT_8 state_19 = __VERIFIER_nondet_uchar() & mask_SORT_8; [L109] EXPR __VERIFIER_nondet_ushort() & mask_SORT_1 [L109] SORT_1 state_23 = __VERIFIER_nondet_ushort() & mask_SORT_1; [L110] EXPR __VERIFIER_nondet_ushort() & mask_SORT_1 [L110] SORT_1 state_28 = __VERIFIER_nondet_ushort() & mask_SORT_1; [L111] EXPR __VERIFIER_nondet_ushort() & mask_SORT_1 [L111] SORT_1 state_30 = __VERIFIER_nondet_ushort() & mask_SORT_1; [L112] EXPR __VERIFIER_nondet_ushort() & mask_SORT_1 [L112] SORT_1 state_33 = __VERIFIER_nondet_ushort() & mask_SORT_1; [L113] EXPR __VERIFIER_nondet_ushort() & mask_SORT_1 [L113] SORT_1 state_35 = __VERIFIER_nondet_ushort() & mask_SORT_1; [L114] EXPR __VERIFIER_nondet_ushort() & mask_SORT_1 [L114] SORT_1 state_39 = __VERIFIER_nondet_ushort() & mask_SORT_1; [L115] EXPR __VERIFIER_nondet_ushort() & mask_SORT_1 [L115] SORT_1 state_41 = __VERIFIER_nondet_ushort() & mask_SORT_1; [L116] EXPR __VERIFIER_nondet_ushort() & mask_SORT_1 [L116] SORT_1 state_58 = __VERIFIER_nondet_ushort() & mask_SORT_1; [L117] EXPR __VERIFIER_nondet_uchar() & mask_SORT_97 [L117] SORT_97 state_99 = __VERIFIER_nondet_uchar() & mask_SORT_97; [L118] EXPR __VERIFIER_nondet_ushort() & mask_SORT_1 [L118] SORT_1 state_128 = __VERIFIER_nondet_ushort() & mask_SORT_1; [L120] SORT_8 init_20_arg_1 = var_18; [L121] state_19 = init_20_arg_1 [L122] SORT_1 init_24_arg_1 = var_22; [L123] state_23 = init_24_arg_1 [L124] SORT_1 init_29_arg_1 = var_22; [L125] state_28 = init_29_arg_1 [L126] SORT_1 init_31_arg_1 = var_22; [L127] state_30 = init_31_arg_1 [L128] SORT_1 init_34_arg_1 = var_22; [L129] state_33 = init_34_arg_1 [L130] SORT_1 init_36_arg_1 = var_22; [L131] state_35 = init_36_arg_1 [L132] SORT_1 init_40_arg_1 = var_22; [L133] state_39 = init_40_arg_1 [L134] SORT_1 init_42_arg_1 = var_22; [L135] state_41 = init_42_arg_1 [L136] SORT_1 init_59_arg_1 = var_22; [L137] state_58 = init_59_arg_1 [L138] SORT_97 init_100_arg_1 = var_98; [L139] state_99 = init_100_arg_1 [L140] SORT_1 init_129_arg_1 = var_22; [L141] state_128 = init_129_arg_1 VAL [init_100_arg_1=0, init_129_arg_1=0, init_20_arg_1=0, init_24_arg_1=0, init_29_arg_1=0, init_31_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_59_arg_1=0, mask_SORT_13=15, mask_SORT_1=4095, mask_SORT_305=3, mask_SORT_309=31, mask_SORT_311=63, mask_SORT_313=127, mask_SORT_315=255, mask_SORT_317=511, mask_SORT_319=1023, mask_SORT_321=2047, mask_SORT_8=1, mask_SORT_97=7, msb_SORT_13=8, msb_SORT_1=2048, msb_SORT_305=2, msb_SORT_309=16, msb_SORT_311=32, msb_SORT_313=64, msb_SORT_315=128, msb_SORT_317=256, msb_SORT_319=512, msb_SORT_321=1024, msb_SORT_8=1, msb_SORT_97=4, state_128=0, state_19=0, state_23=0, state_28=0, state_30=0, state_33=0, state_35=0, state_39=0, state_41=0, state_58=0, state_99=0, var_111=8, var_115=10, var_119=13, var_130=4, var_132=12, var_135=14, var_141=6, var_168=0, var_18=0, var_216=1, var_218=5, var_22=0, var_245=4095, var_25=2, var_47=1, var_52=1, var_56=2, var_592=0, var_61=9, var_69=15, var_74=1, var_76=3, var_79=5, var_82=7, var_85=11, var_98=0] [L144] input_2 = __VERIFIER_nondet_ushort() [L145] input_3 = __VERIFIER_nondet_ushort() [L146] input_4 = __VERIFIER_nondet_ushort() [L147] input_5 = __VERIFIER_nondet_ushort() [L148] input_6 = __VERIFIER_nondet_ushort() [L149] input_7 = __VERIFIER_nondet_ushort() [L150] input_9 = __VERIFIER_nondet_uchar() [L151] input_10 = __VERIFIER_nondet_uchar() [L152] input_11 = __VERIFIER_nondet_uchar() [L153] EXPR input_11 & mask_SORT_8 [L153] input_11 = input_11 & mask_SORT_8 [L154] input_12 = __VERIFIER_nondet_ushort() [L155] input_14 = __VERIFIER_nondet_uchar() [L156] EXPR input_14 & mask_SORT_13 [L156] input_14 = input_14 & mask_SORT_13 [L157] input_15 = __VERIFIER_nondet_uchar() [L158] input_16 = __VERIFIER_nondet_uchar() [L159] input_17 = __VERIFIER_nondet_uchar() [L160] input_210 = __VERIFIER_nondet_ushort() [L161] input_212 = __VERIFIER_nondet_uchar() [L162] input_232 = __VERIFIER_nondet_ushort() [L163] input_235 = __VERIFIER_nondet_uchar() [L166] SORT_8 var_21_arg_0 = state_19; [L167] SORT_8 var_21_arg_1 = var_18; [L168] SORT_8 var_21 = var_21_arg_0 == var_21_arg_1; [L169] SORT_1 var_26_arg_0 = state_23; [L170] SORT_1 var_26_arg_1 = var_25; [L171] SORT_8 var_26 = var_26_arg_0 != var_26_arg_1; [L172] SORT_8 var_27_arg_0 = var_21; [L173] SORT_8 var_27_arg_1 = var_26; [L174] EXPR var_27_arg_0 | var_27_arg_1 [L174] SORT_8 var_27 = var_27_arg_0 | var_27_arg_1; [L175] SORT_8 var_44_arg_0 = var_18; [L176] SORT_1 var_44_arg_1 = input_7; [L177] SORT_1 var_44_arg_2 = input_6; [L178] SORT_1 var_44 = var_44_arg_0 ? var_44_arg_1 : var_44_arg_2; [L179] SORT_8 var_43_arg_0 = var_18; [L180] SORT_1 var_43_arg_1 = state_41; [L181] SORT_1 var_43_arg_2 = state_39; [L182] SORT_1 var_43 = var_43_arg_0 ? var_43_arg_1 : var_43_arg_2; [L183] SORT_8 var_45_arg_0 = var_18; [L184] SORT_1 var_45_arg_1 = var_44; [L185] SORT_1 var_45_arg_2 = var_43; [L186] SORT_1 var_45 = var_45_arg_0 ? var_45_arg_1 : var_45_arg_2; [L187] SORT_8 var_37_arg_0 = var_18; [L188] SORT_1 var_37_arg_1 = state_35; [L189] SORT_1 var_37_arg_2 = state_33; [L190] SORT_1 var_37 = var_37_arg_0 ? var_37_arg_1 : var_37_arg_2; [L191] SORT_8 var_32_arg_0 = var_18; [L192] SORT_1 var_32_arg_1 = state_30; [L193] SORT_1 var_32_arg_2 = state_28; [L194] SORT_1 var_32 = var_32_arg_0 ? var_32_arg_1 : var_32_arg_2; [L195] SORT_8 var_38_arg_0 = var_18; [L196] SORT_1 var_38_arg_1 = var_37; [L197] SORT_1 var_38_arg_2 = var_32; [L198] SORT_1 var_38 = var_38_arg_0 ? var_38_arg_1 : var_38_arg_2; [L199] SORT_8 var_46_arg_0 = var_18; [L200] SORT_1 var_46_arg_1 = var_45; [L201] SORT_1 var_46_arg_2 = var_38; [L202] SORT_1 var_46 = var_46_arg_0 ? var_46_arg_1 : var_46_arg_2; [L203] EXPR var_46 & mask_SORT_1 [L203] var_46 = var_46 & mask_SORT_1 [L204] SORT_1 var_48_arg_0 = var_46; [L205] SORT_1 var_48_arg_1 = var_47; [L206] SORT_8 var_48 = var_48_arg_0 == var_48_arg_1; [L207] SORT_8 var_49_arg_0 = var_27; [L208] SORT_8 var_49_arg_1 = var_48; [L209] EXPR var_49_arg_0 | var_49_arg_1 [L209] SORT_8 var_49 = var_49_arg_0 | var_49_arg_1; [L210] SORT_8 var_53_arg_0 = var_49; [L211] SORT_8 var_53 = ~var_53_arg_0; [L212] SORT_8 var_54_arg_0 = var_52; [L213] SORT_8 var_54_arg_1 = var_53; [L214] EXPR var_54_arg_0 & var_54_arg_1 [L214] SORT_8 var_54 = var_54_arg_0 & var_54_arg_1; [L215] EXPR var_54 & mask_SORT_8 [L215] var_54 = var_54 & mask_SORT_8 [L216] SORT_8 bad_55_arg_0 = var_54; [L217] CALL __VERIFIER_assert(!(bad_55_arg_0)) [L21] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L21] reach_error() VAL [\old(cond)=0, cond=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 142.6MB. Free memory is still 92.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 866.81ms. Allocated memory was 142.6MB in the beginning and 195.0MB in the end (delta: 52.4MB). Free memory was 93.3MB in the beginning and 108.9MB in the end (delta: -15.7MB). Peak memory consumption was 43.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 541.91ms. Allocated memory was 195.0MB in the beginning and 285.2MB in the end (delta: 90.2MB). Free memory was 108.9MB in the beginning and 163.9MB in the end (delta: -55.0MB). Peak memory consumption was 96.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 474.96ms. Allocated memory is still 285.2MB. Free memory was 163.9MB in the beginning and 119.9MB in the end (delta: 44.0MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * RCFGBuilder took 10755.54ms. Allocated memory was 285.2MB in the beginning and 1.8GB in the end (delta: 1.5GB). Free memory was 119.9MB in the beginning and 1.3GB in the end (delta: -1.2GB). Peak memory consumption was 594.5MB. Max. memory is 16.1GB. * CodeCheck took 1780.84ms. Allocated memory is still 1.8GB. Free memory was 1.3GB in the beginning and 1.2GB in the end (delta: 141.6MB). Peak memory consumption was 140.5MB. Max. memory is 16.1GB. * Witness Printer took 4.47ms. Allocated memory is still 1.8GB. Free memory was 1.2GB in the beginning and 1.2GB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-03 02:28:25,807 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/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_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/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_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_am2910_p3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/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 64bit --witnessprinter.graph.data.programhash 03c3c0226be86be0ec03a0662affe26020abe8242f0c910b49f1d4231c5f2564 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 02:28:27,706 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 02:28:27,784 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-12-03 02:28:27,818 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 02:28:27,819 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 02:28:27,820 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 02:28:27,821 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 02:28:27,821 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 02:28:27,822 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 02:28:27,822 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 02:28:27,823 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 02:28:27,823 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 02:28:27,824 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 02:28:27,824 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 02:28:27,825 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 02:28:27,826 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 02:28:27,826 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 02:28:27,827 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 02:28:27,827 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 02:28:27,828 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 02:28:27,828 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 02:28:27,833 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 02:28:27,834 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 02:28:27,834 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 02:28:27,834 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 02:28:27,835 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:28:27,835 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 02:28:27,836 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 02:28:27,836 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 02:28:27,837 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 02:28:27,837 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 02:28:27,837 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 02:28:27,838 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 02:28:27,838 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 02:28:27,838 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_59f5c268-87c3-4592-b25e-bfc58d127529/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 03c3c0226be86be0ec03a0662affe26020abe8242f0c910b49f1d4231c5f2564 [2023-12-03 02:28:28,140 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 02:28:28,160 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 02:28:28,163 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 02:28:28,164 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 02:28:28,164 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 02:28:28,166 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_am2910_p3.c [2023-12-03 02:28:30,934 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 02:28:31,231 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 02:28:31,232 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_am2910_p3.c [2023-12-03 02:28:31,252 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/data/33b27cf3a/15c49bd5095249f1974f5c3f51633382/FLAG3578fabf3 [2023-12-03 02:28:31,266 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/data/33b27cf3a/15c49bd5095249f1974f5c3f51633382 [2023-12-03 02:28:31,268 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 02:28:31,270 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 02:28:31,271 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 02:28:31,271 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 02:28:31,276 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 02:28:31,277 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:28:31" (1/1) ... [2023-12-03 02:28:31,278 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72260689 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:28:31, skipping insertion in model container [2023-12-03 02:28:31,278 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:28:31" (1/1) ... [2023-12-03 02:28:31,352 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:28:31,540 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_59f5c268-87c3-4592-b25e-bfc58d127529/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_am2910_p3.c[1260,1273] [2023-12-03 02:28:31,808 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:28:31,820 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 02:28:31,832 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_59f5c268-87c3-4592-b25e-bfc58d127529/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_am2910_p3.c[1260,1273] [2023-12-03 02:28:31,960 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:28:31,974 INFO L206 MainTranslator]: Completed translation [2023-12-03 02:28:31,975 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:28:31 WrapperNode [2023-12-03 02:28:31,975 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 02:28:31,976 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 02:28:31,976 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 02:28:31,976 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 02:28:31,983 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:28:31" (1/1) ... [2023-12-03 02:28:32,024 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:28:31" (1/1) ... [2023-12-03 02:28:32,134 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1838 [2023-12-03 02:28:32,134 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 02:28:32,135 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 02:28:32,135 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 02:28:32,135 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 02:28:32,144 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:28:31" (1/1) ... [2023-12-03 02:28:32,144 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:28:31" (1/1) ... [2023-12-03 02:28:32,167 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:28:31" (1/1) ... [2023-12-03 02:28:32,167 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:28:31" (1/1) ... [2023-12-03 02:28:32,208 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:28:31" (1/1) ... [2023-12-03 02:28:32,214 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:28:31" (1/1) ... [2023-12-03 02:28:32,225 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:28:31" (1/1) ... [2023-12-03 02:28:32,236 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:28:31" (1/1) ... [2023-12-03 02:28:32,255 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 02:28:32,256 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 02:28:32,256 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 02:28:32,256 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 02:28:32,257 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:28:31" (1/1) ... [2023-12-03 02:28:32,261 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:28:32,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 02:28:32,280 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 02:28:32,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 02:28:32,308 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 02:28:32,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 02:28:32,309 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 02:28:32,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 02:28:32,635 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 02:28:32,637 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 02:28:35,343 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 02:28:35,478 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 02:28:35,479 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 02:28:35,480 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:28:35 BoogieIcfgContainer [2023-12-03 02:28:35,480 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 02:28:35,481 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 02:28:35,481 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 02:28:35,490 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 02:28:35,491 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:28:35" (1/1) ... [2023-12-03 02:28:35,499 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 02:28:35,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:28:35,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-03 02:28:35,551 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-03 02:28:35,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 02:28:35,553 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:28:35,553 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:28:35,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:28:35,555 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:28:35,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 02:28:36,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:28:36,127 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:28:36,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:28:36,276 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-03 02:28:36,289 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:28:36,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:28:36,474 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 02:28:36,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:28:36,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2023-12-03 02:28:36,733 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2023-12-03 02:28:36,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 02:28:36,734 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:28:36,734 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:28:36,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:28:36,735 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:28:36,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 02:28:37,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:28:37,949 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:28:38,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:28:38,460 INFO L262 TraceCheckSpWp]: Trace formula consists of 1623 conjuncts, 36 conjunts are in the unsatisfiable core [2023-12-03 02:28:38,478 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:28:38,757 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:28:38,771 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 02:28:40,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:28:40,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 12 states and 21 transitions. [2023-12-03 02:28:40,449 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 21 transitions. [2023-12-03 02:28:40,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:28:40,451 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:28:40,451 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:28:40,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:28:40,452 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:28:40,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 02:28:42,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:28:42,216 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:28:43,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:28:43,094 INFO L262 TraceCheckSpWp]: Trace formula consists of 3107 conjuncts, 81 conjunts are in the unsatisfiable core [2023-12-03 02:28:43,114 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:28:45,413 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:28:45,434 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-03 02:29:09,940 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 02:29:42,600 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 02:29:52,773 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 02:30:02,831 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 02:30:12,929 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 02:30:22,949 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 02:31:46,358 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 02:31:56,558 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 02:32:06,696 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 02:32:16,710 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 02:32:16,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:32:16,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 19 states and 50 transitions. [2023-12-03 02:32:16,731 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 50 transitions. [2023-12-03 02:32:16,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:32:16,732 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:32:16,732 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:32:16,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:32:16,734 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:32:16,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-03 02:32:18,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:32:18,388 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:32:19,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:32:19,248 INFO L262 TraceCheckSpWp]: Trace formula consists of 3107 conjuncts, 81 conjunts are in the unsatisfiable core [2023-12-03 02:32:19,264 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:32:19,974 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:32:19,995 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-03 02:32:31,863 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 02:32:42,065 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 02:32:52,090 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 02:33:02,102 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 02:33:12,184 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 02:33:12,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:33:12,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 20 states and 54 transitions. [2023-12-03 02:33:12,348 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 54 transitions. [2023-12-03 02:33:12,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:33:12,349 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:33:12,349 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:33:12,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:33:12,350 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:33:12,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-03 02:33:14,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:14,210 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:33:15,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:15,041 INFO L262 TraceCheckSpWp]: Trace formula consists of 3107 conjuncts, 81 conjunts are in the unsatisfiable core [2023-12-03 02:33:15,055 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:33:15,812 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:33:15,828 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-03 02:33:15,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:33:15,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 20 states and 54 transitions. [2023-12-03 02:33:15,876 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 54 transitions. [2023-12-03 02:33:15,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:33:15,877 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:33:15,877 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:33:15,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:33:15,878 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:33:15,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-03 02:33:17,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:17,528 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:33:18,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:18,346 INFO L262 TraceCheckSpWp]: Trace formula consists of 3107 conjuncts, 81 conjunts are in the unsatisfiable core [2023-12-03 02:33:18,362 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:33:18,993 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:33:19,013 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-03 02:33:19,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:33:19,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 20 states and 54 transitions. [2023-12-03 02:33:19,057 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 54 transitions. [2023-12-03 02:33:19,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:33:19,057 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:33:19,057 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:33:19,058 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:33:19,058 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:33:19,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-03 02:33:20,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:20,774 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:33:21,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:21,524 INFO L262 TraceCheckSpWp]: Trace formula consists of 3107 conjuncts, 81 conjunts are in the unsatisfiable core [2023-12-03 02:33:21,542 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:33:22,150 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:33:22,166 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-03 02:33:22,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:33:22,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 20 states and 54 transitions. [2023-12-03 02:33:22,226 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 54 transitions. [2023-12-03 02:33:22,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:33:22,227 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:33:22,227 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:33:22,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:33:22,228 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:33:22,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-03 02:33:23,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:23,992 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:33:24,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:24,678 INFO L262 TraceCheckSpWp]: Trace formula consists of 3107 conjuncts, 81 conjunts are in the unsatisfiable core [2023-12-03 02:33:24,700 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:33:25,315 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:33:25,331 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-12-03 02:33:25,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:33:25,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 20 states and 54 transitions. [2023-12-03 02:33:25,377 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 54 transitions. [2023-12-03 02:33:25,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:33:25,378 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:33:25,378 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:33:25,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:33:25,379 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:33:25,380 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-03 02:33:27,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:27,053 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:33:27,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:27,808 INFO L262 TraceCheckSpWp]: Trace formula consists of 3107 conjuncts, 81 conjunts are in the unsatisfiable core [2023-12-03 02:33:27,819 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:33:28,454 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:33:28,471 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2023-12-03 02:33:28,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:33:28,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 20 states and 54 transitions. [2023-12-03 02:33:28,521 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 54 transitions. [2023-12-03 02:33:28,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:33:28,522 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:33:28,522 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:33:28,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:33:28,523 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:33:28,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-03 02:33:30,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:30,142 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:33:31,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:31,042 INFO L262 TraceCheckSpWp]: Trace formula consists of 3107 conjuncts, 81 conjunts are in the unsatisfiable core [2023-12-03 02:33:31,059 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:33:31,624 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:33:31,641 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2023-12-03 02:33:31,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:33:31,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 20 states and 54 transitions. [2023-12-03 02:33:31,724 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 54 transitions. [2023-12-03 02:33:31,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:33:31,724 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:33:31,724 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:33:31,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:33:31,725 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:33:31,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-03 02:33:33,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:33,423 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:33:34,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:34,113 INFO L262 TraceCheckSpWp]: Trace formula consists of 3107 conjuncts, 81 conjunts are in the unsatisfiable core [2023-12-03 02:33:34,126 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:33:34,727 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:33:34,743 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2023-12-03 02:33:34,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:33:34,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 20 states and 54 transitions. [2023-12-03 02:33:34,791 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 54 transitions. [2023-12-03 02:33:34,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:33:34,791 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:33:34,791 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:33:34,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:33:34,792 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:33:34,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-12-03 02:33:36,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:36,498 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:33:37,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:37,306 INFO L262 TraceCheckSpWp]: Trace formula consists of 3107 conjuncts, 81 conjunts are in the unsatisfiable core [2023-12-03 02:33:37,319 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:33:37,900 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:33:37,916 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2023-12-03 02:33:37,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:33:37,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 20 states and 54 transitions. [2023-12-03 02:33:37,963 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 54 transitions. [2023-12-03 02:33:37,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:33:37,964 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:33:37,964 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:33:37,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:33:37,965 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:33:37,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-12-03 02:33:39,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:39,666 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:33:40,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:40,620 INFO L262 TraceCheckSpWp]: Trace formula consists of 3107 conjuncts, 81 conjunts are in the unsatisfiable core [2023-12-03 02:33:40,631 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:33:41,257 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:33:41,274 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2023-12-03 02:33:41,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:33:41,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 20 states and 54 transitions. [2023-12-03 02:33:41,324 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 54 transitions. [2023-12-03 02:33:41,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:33:41,324 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:33:41,324 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:33:41,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:33:41,325 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:33:41,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-12-03 02:33:43,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:43,007 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:33:43,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:43,832 INFO L262 TraceCheckSpWp]: Trace formula consists of 3107 conjuncts, 81 conjunts are in the unsatisfiable core [2023-12-03 02:33:43,839 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:33:44,412 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:33:44,429 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2023-12-03 02:33:44,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:33:44,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 20 states and 54 transitions. [2023-12-03 02:33:44,477 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 54 transitions. [2023-12-03 02:33:44,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:33:44,478 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:33:44,478 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:33:44,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:33:44,479 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:33:44,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2023-12-03 02:33:46,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:46,119 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:33:46,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:46,968 INFO L262 TraceCheckSpWp]: Trace formula consists of 3107 conjuncts, 81 conjunts are in the unsatisfiable core [2023-12-03 02:33:46,976 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:33:47,545 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:33:47,562 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Forceful destruction successful, exit code 0 [2023-12-03 02:33:47,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:33:47,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 20 states and 54 transitions. [2023-12-03 02:33:47,611 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 54 transitions. [2023-12-03 02:33:47,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:33:47,612 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:33:47,612 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:33:47,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:33:47,613 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:33:47,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2023-12-03 02:33:49,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:49,353 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:33:50,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:50,110 INFO L262 TraceCheckSpWp]: Trace formula consists of 3107 conjuncts, 81 conjunts are in the unsatisfiable core [2023-12-03 02:33:50,120 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:33:50,759 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:33:50,778 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Forceful destruction successful, exit code 0 [2023-12-03 02:33:50,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:33:50,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 20 states and 54 transitions. [2023-12-03 02:33:50,836 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 54 transitions. [2023-12-03 02:33:50,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:33:50,837 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:33:50,837 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:33:50,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:33:50,838 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:33:50,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2023-12-03 02:33:52,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:52,595 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:33:53,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:53,580 INFO L262 TraceCheckSpWp]: Trace formula consists of 3107 conjuncts, 81 conjunts are in the unsatisfiable core [2023-12-03 02:33:53,588 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:33:54,183 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:33:54,202 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2023-12-03 02:33:54,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:33:54,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 20 states and 54 transitions. [2023-12-03 02:33:54,265 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 54 transitions. [2023-12-03 02:33:54,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:33:54,265 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:33:54,265 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:33:54,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:33:54,266 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:33:54,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2023-12-03 02:33:56,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:56,060 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:33:56,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:56,863 INFO L262 TraceCheckSpWp]: Trace formula consists of 3107 conjuncts, 81 conjunts are in the unsatisfiable core [2023-12-03 02:33:56,871 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:33:57,442 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:33:57,461 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2023-12-03 02:33:57,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:33:57,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 20 states and 54 transitions. [2023-12-03 02:33:57,511 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 54 transitions. [2023-12-03 02:33:57,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:33:57,511 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:33:57,511 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:33:57,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:33:57,513 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:33:57,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2023-12-03 02:33:59,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:59,274 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:34:00,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:00,069 INFO L262 TraceCheckSpWp]: Trace formula consists of 3107 conjuncts, 81 conjunts are in the unsatisfiable core [2023-12-03 02:34:00,077 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:34:00,661 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:34:00,678 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Forceful destruction successful, exit code 0 [2023-12-03 02:34:00,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:34:00,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 20 states and 54 transitions. [2023-12-03 02:34:00,731 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 54 transitions. [2023-12-03 02:34:00,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:34:00,731 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:34:00,731 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:34:00,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:34:00,732 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:34:00,733 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2023-12-03 02:34:02,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:02,547 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:34:03,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:03,362 INFO L262 TraceCheckSpWp]: Trace formula consists of 3107 conjuncts, 81 conjunts are in the unsatisfiable core [2023-12-03 02:34:03,370 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:34:03,971 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:34:03,991 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2023-12-03 02:34:04,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:34:04,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 20 states and 54 transitions. [2023-12-03 02:34:04,036 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 54 transitions. [2023-12-03 02:34:04,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:34:04,037 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:34:04,037 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:34:04,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:34:04,038 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:34:04,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2023-12-03 02:34:05,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:05,982 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:34:06,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:06,750 INFO L262 TraceCheckSpWp]: Trace formula consists of 3107 conjuncts, 81 conjunts are in the unsatisfiable core [2023-12-03 02:34:06,762 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:34:07,373 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:34:07,392 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Forceful destruction successful, exit code 0 [2023-12-03 02:34:07,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:34:07,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 20 states and 54 transitions. [2023-12-03 02:34:07,437 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 54 transitions. [2023-12-03 02:34:07,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:34:07,437 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:34:07,438 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:34:07,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:34:07,439 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:34:07,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2023-12-03 02:34:09,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:09,253 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:34:10,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:10,202 INFO L262 TraceCheckSpWp]: Trace formula consists of 3107 conjuncts, 81 conjunts are in the unsatisfiable core [2023-12-03 02:34:10,212 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:34:10,781 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:34:10,799 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2023-12-03 02:34:10,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:34:10,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 20 states and 54 transitions. [2023-12-03 02:34:10,842 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 54 transitions. [2023-12-03 02:34:10,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:34:10,843 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:34:10,843 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:34:10,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:34:10,844 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:34:10,845 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2023-12-03 02:34:12,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:12,600 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:34:13,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:13,315 INFO L262 TraceCheckSpWp]: Trace formula consists of 3107 conjuncts, 81 conjunts are in the unsatisfiable core [2023-12-03 02:34:13,322 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:34:13,899 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:34:13,919 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2023-12-03 02:34:13,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:34:13,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 20 states and 54 transitions. [2023-12-03 02:34:13,965 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 54 transitions. [2023-12-03 02:34:13,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:34:13,965 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:34:13,966 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:34:13,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:34:13,967 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:34:13,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2023-12-03 02:34:15,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:15,703 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:34:16,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:16,524 INFO L262 TraceCheckSpWp]: Trace formula consists of 3107 conjuncts, 81 conjunts are in the unsatisfiable core [2023-12-03 02:34:16,532 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:34:17,151 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:34:17,171 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2023-12-03 02:34:17,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:34:17,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 20 states and 54 transitions. [2023-12-03 02:34:17,217 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 54 transitions. [2023-12-03 02:34:17,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:34:17,218 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:34:17,218 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:34:17,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:34:17,219 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:34:17,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2023-12-03 02:34:19,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:19,008 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:34:19,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:19,910 INFO L262 TraceCheckSpWp]: Trace formula consists of 3107 conjuncts, 81 conjunts are in the unsatisfiable core [2023-12-03 02:34:19,916 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:34:20,508 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:34:20,528 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2023-12-03 02:34:20,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:34:20,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 20 states and 54 transitions. [2023-12-03 02:34:20,571 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 54 transitions. [2023-12-03 02:34:20,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:34:20,572 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:34:20,572 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:34:20,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:34:20,573 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:34:20,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2023-12-03 02:34:22,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:22,368 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:34:23,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:23,162 INFO L262 TraceCheckSpWp]: Trace formula consists of 3107 conjuncts, 81 conjunts are in the unsatisfiable core [2023-12-03 02:34:23,172 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:34:23,757 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:34:23,777 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2023-12-03 02:34:23,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:34:23,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 20 states and 54 transitions. [2023-12-03 02:34:23,826 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 54 transitions. [2023-12-03 02:34:23,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:34:23,827 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:34:23,827 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:34:23,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:34:23,828 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:34:23,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2023-12-03 02:34:25,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:25,590 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:34:26,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:26,372 INFO L262 TraceCheckSpWp]: Trace formula consists of 3107 conjuncts, 81 conjunts are in the unsatisfiable core [2023-12-03 02:34:26,379 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:34:26,948 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:34:26,967 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2023-12-03 02:34:27,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:34:27,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 20 states and 54 transitions. [2023-12-03 02:34:27,016 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 54 transitions. [2023-12-03 02:34:27,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:34:27,016 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:34:27,016 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:34:27,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:34:27,017 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:34:27,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2023-12-03 02:34:28,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:28,794 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:34:29,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:29,558 INFO L262 TraceCheckSpWp]: Trace formula consists of 3107 conjuncts, 81 conjunts are in the unsatisfiable core [2023-12-03 02:34:29,566 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:34:30,156 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:34:30,175 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2023-12-03 02:34:30,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:34:30,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 20 states and 54 transitions. [2023-12-03 02:34:30,250 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 54 transitions. [2023-12-03 02:34:30,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:34:30,250 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:34:30,250 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:34:30,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:34:30,252 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:34:30,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2023-12-03 02:34:32,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:32,040 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:34:32,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:32,845 INFO L262 TraceCheckSpWp]: Trace formula consists of 3107 conjuncts, 81 conjunts are in the unsatisfiable core [2023-12-03 02:34:32,853 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:34:33,530 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:34:33,550 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2023-12-03 02:34:33,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:34:33,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 20 states and 54 transitions. [2023-12-03 02:34:33,593 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 54 transitions. [2023-12-03 02:34:33,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:34:33,593 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:34:33,593 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:34:33,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:34:33,594 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:34:33,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2023-12-03 02:34:35,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:35,657 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:34:36,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:36,542 INFO L262 TraceCheckSpWp]: Trace formula consists of 3107 conjuncts, 106 conjunts are in the unsatisfiable core [2023-12-03 02:34:36,550 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:35:09,400 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:35:09,423 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2023-12-03 02:35:21,039 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 02:35:34,061 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 02:35:44,072 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 02:36:17,788 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 02:36:27,799 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 02:36:28,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:36:28,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 24 states and 70 transitions. [2023-12-03 02:36:28,221 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 70 transitions. [2023-12-03 02:36:28,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:36:28,221 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:36:28,222 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:36:28,222 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:36:28,223 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:36:28,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2023-12-03 02:36:29,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:36:29,986 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:36:30,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:36:30,718 INFO L262 TraceCheckSpWp]: Trace formula consists of 3107 conjuncts, 81 conjunts are in the unsatisfiable core [2023-12-03 02:36:30,725 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:36:31,442 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:36:31,460 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2023-12-03 02:36:31,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:36:31,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 24 states and 70 transitions. [2023-12-03 02:36:31,508 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 70 transitions. [2023-12-03 02:36:31,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:36:31,509 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:36:31,509 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:36:31,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:36:31,509 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:36:31,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2023-12-03 02:36:33,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:36:33,285 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:36:34,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:36:34,116 INFO L262 TraceCheckSpWp]: Trace formula consists of 3107 conjuncts, 81 conjunts are in the unsatisfiable core [2023-12-03 02:36:34,123 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:36:34,714 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:36:34,731 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2023-12-03 02:36:34,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:36:34,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 24 states and 70 transitions. [2023-12-03 02:36:34,778 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 70 transitions. [2023-12-03 02:36:34,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:36:34,778 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:36:34,778 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:36:34,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:36:34,779 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:36:34,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2023-12-03 02:36:36,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:36:36,521 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:36:37,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:36:37,357 INFO L262 TraceCheckSpWp]: Trace formula consists of 3107 conjuncts, 81 conjunts are in the unsatisfiable core [2023-12-03 02:36:37,364 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:36:37,939 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:36:37,957 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2023-12-03 02:36:38,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:36:38,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 24 states and 70 transitions. [2023-12-03 02:36:38,004 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 70 transitions. [2023-12-03 02:36:38,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:36:38,004 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:36:38,004 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:36:38,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:36:38,005 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:36:38,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2023-12-03 02:36:39,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:36:39,819 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:36:40,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:36:40,631 INFO L262 TraceCheckSpWp]: Trace formula consists of 3107 conjuncts, 81 conjunts are in the unsatisfiable core [2023-12-03 02:36:40,637 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:36:41,290 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:36:41,311 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2023-12-03 02:36:41,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:36:41,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 24 states and 70 transitions. [2023-12-03 02:36:41,375 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 70 transitions. [2023-12-03 02:36:41,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:36:41,375 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:36:41,375 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:36:41,375 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:36:41,376 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:36:41,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2023-12-03 02:36:43,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:36:43,152 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:36:43,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:36:43,950 INFO L262 TraceCheckSpWp]: Trace formula consists of 3107 conjuncts, 81 conjunts are in the unsatisfiable core [2023-12-03 02:36:43,956 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:36:44,541 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:36:44,559 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2023-12-03 02:36:44,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:36:44,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 24 states and 70 transitions. [2023-12-03 02:36:44,608 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 70 transitions. [2023-12-03 02:36:44,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:36:44,608 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:36:44,608 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:36:44,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:36:44,609 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:36:44,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2023-12-03 02:36:46,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:36:46,370 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:36:47,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:36:47,136 INFO L262 TraceCheckSpWp]: Trace formula consists of 3107 conjuncts, 81 conjunts are in the unsatisfiable core [2023-12-03 02:36:47,142 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:36:47,777 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:36:47,795 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2023-12-03 02:36:47,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:36:47,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 24 states and 70 transitions. [2023-12-03 02:36:47,850 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 70 transitions. [2023-12-03 02:36:47,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:36:47,851 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:36:47,851 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:36:47,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:36:47,852 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:36:47,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2023-12-03 02:36:49,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:36:49,638 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:36:50,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:36:50,422 INFO L262 TraceCheckSpWp]: Trace formula consists of 3107 conjuncts, 81 conjunts are in the unsatisfiable core [2023-12-03 02:36:50,428 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:36:51,032 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:36:51,051 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2023-12-03 02:36:51,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:36:51,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 24 states and 70 transitions. [2023-12-03 02:36:51,104 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 70 transitions. [2023-12-03 02:36:51,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:36:51,104 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:36:51,105 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:36:51,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:36:51,106 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:36:51,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2023-12-03 02:36:52,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:36:52,930 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:36:53,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:36:53,885 INFO L262 TraceCheckSpWp]: Trace formula consists of 3107 conjuncts, 81 conjunts are in the unsatisfiable core [2023-12-03 02:36:53,892 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:36:54,516 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:36:54,534 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2023-12-03 02:36:54,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:36:54,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 24 states and 70 transitions. [2023-12-03 02:36:54,588 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 70 transitions. [2023-12-03 02:36:54,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:36:54,588 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:36:54,588 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:36:54,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:36:54,589 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:36:54,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2023-12-03 02:36:56,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:36:56,434 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:36:57,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:36:57,259 INFO L262 TraceCheckSpWp]: Trace formula consists of 3107 conjuncts, 81 conjunts are in the unsatisfiable core [2023-12-03 02:36:57,266 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:36:57,872 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:36:57,891 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Forceful destruction successful, exit code 0 [2023-12-03 02:36:57,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:36:57,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 24 states and 70 transitions. [2023-12-03 02:36:57,936 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 70 transitions. [2023-12-03 02:36:57,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:36:57,936 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:36:57,936 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:36:57,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:36:57,937 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:36:57,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2023-12-03 02:36:59,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:36:59,661 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:37:00,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:37:00,388 INFO L262 TraceCheckSpWp]: Trace formula consists of 3107 conjuncts, 81 conjunts are in the unsatisfiable core [2023-12-03 02:37:00,394 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:37:00,974 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:37:00,992 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2023-12-03 02:37:01,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:37:01,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 24 states and 70 transitions. [2023-12-03 02:37:01,043 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 70 transitions. [2023-12-03 02:37:01,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:37:01,043 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:37:01,043 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:37:01,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:37:01,044 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:37:01,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2023-12-03 02:37:02,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:37:02,846 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:37:03,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:37:03,891 INFO L262 TraceCheckSpWp]: Trace formula consists of 3107 conjuncts, 81 conjunts are in the unsatisfiable core [2023-12-03 02:37:03,897 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:37:04,523 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:37:04,541 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2023-12-03 02:37:04,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:37:04,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 24 states and 70 transitions. [2023-12-03 02:37:04,588 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 70 transitions. [2023-12-03 02:37:04,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:37:04,589 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:37:04,589 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:37:04,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:37:04,590 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:37:04,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2023-12-03 02:37:06,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:37:06,370 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:37:07,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:37:07,133 INFO L262 TraceCheckSpWp]: Trace formula consists of 3107 conjuncts, 81 conjunts are in the unsatisfiable core [2023-12-03 02:37:07,140 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:37:07,719 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:37:07,736 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2023-12-03 02:37:07,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:37:07,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 24 states and 70 transitions. [2023-12-03 02:37:07,793 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 70 transitions. [2023-12-03 02:37:07,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:37:07,793 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:37:07,794 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:37:07,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:37:07,795 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:37:07,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2023-12-03 02:37:09,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:37:09,573 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:37:10,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:37:10,449 INFO L262 TraceCheckSpWp]: Trace formula consists of 3107 conjuncts, 81 conjunts are in the unsatisfiable core [2023-12-03 02:37:10,456 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:37:11,037 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:37:11,055 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2023-12-03 02:37:11,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:37:11,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 24 states and 70 transitions. [2023-12-03 02:37:11,101 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 70 transitions. [2023-12-03 02:37:11,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:37:11,101 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:37:11,102 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:37:11,102 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:37:11,102 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:37:11,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2023-12-03 02:37:12,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:37:12,868 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:37:13,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:37:13,644 INFO L262 TraceCheckSpWp]: Trace formula consists of 3107 conjuncts, 81 conjunts are in the unsatisfiable core [2023-12-03 02:37:13,652 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:37:14,309 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:37:14,327 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2023-12-03 02:37:14,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:37:14,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 24 states and 70 transitions. [2023-12-03 02:37:14,394 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 70 transitions. [2023-12-03 02:37:14,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:37:14,394 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:37:14,394 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:37:14,394 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:37:14,395 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:37:14,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2023-12-03 02:37:16,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:37:16,146 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:37:16,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:37:16,865 INFO L262 TraceCheckSpWp]: Trace formula consists of 3107 conjuncts, 81 conjunts are in the unsatisfiable core [2023-12-03 02:37:16,872 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:37:17,464 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:37:17,482 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Forceful destruction successful, exit code 0 [2023-12-03 02:37:17,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:37:17,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 24 states and 70 transitions. [2023-12-03 02:37:17,531 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 70 transitions. [2023-12-03 02:37:17,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:37:17,531 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:37:17,531 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:37:17,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:37:17,532 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:37:17,533 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2023-12-03 02:37:19,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:37:19,328 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:37:20,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:37:20,054 INFO L262 TraceCheckSpWp]: Trace formula consists of 3107 conjuncts, 81 conjunts are in the unsatisfiable core [2023-12-03 02:37:20,060 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:37:20,646 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:37:20,664 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2023-12-03 02:37:20,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:37:20,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 24 states and 70 transitions. [2023-12-03 02:37:20,714 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 70 transitions. [2023-12-03 02:37:20,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:37:20,714 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:37:20,714 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:37:20,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:37:20,715 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:37:20,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2023-12-03 02:37:22,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:37:22,504 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:37:23,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:37:23,294 INFO L262 TraceCheckSpWp]: Trace formula consists of 3107 conjuncts, 81 conjunts are in the unsatisfiable core [2023-12-03 02:37:23,300 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:37:23,886 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:37:23,905 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2023-12-03 02:37:23,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:37:23,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 24 states and 70 transitions. [2023-12-03 02:37:23,952 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 70 transitions. [2023-12-03 02:37:23,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:37:23,952 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:37:23,952 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:37:23,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:37:23,953 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:37:23,954 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2023-12-03 02:37:25,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:37:25,738 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:37:26,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:37:26,560 INFO L262 TraceCheckSpWp]: Trace formula consists of 3107 conjuncts, 81 conjunts are in the unsatisfiable core [2023-12-03 02:37:26,566 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:37:27,188 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:37:27,206 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Forceful destruction successful, exit code 0 [2023-12-03 02:37:27,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:37:27,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 24 states and 70 transitions. [2023-12-03 02:37:27,255 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 70 transitions. [2023-12-03 02:37:27,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:37:27,255 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:37:27,255 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:37:27,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:37:27,256 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:37:27,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2023-12-03 02:37:29,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:37:29,031 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:37:29,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:37:29,881 INFO L262 TraceCheckSpWp]: Trace formula consists of 3107 conjuncts, 81 conjunts are in the unsatisfiable core [2023-12-03 02:37:29,887 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:37:30,485 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:37:30,502 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2023-12-03 02:37:30,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:37:30,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 24 states and 70 transitions. [2023-12-03 02:37:30,549 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 70 transitions. [2023-12-03 02:37:30,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:37:30,549 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:37:30,549 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:37:30,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:37:30,550 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:37:30,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2023-12-03 02:37:32,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:37:32,278 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:37:33,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:37:33,139 INFO L262 TraceCheckSpWp]: Trace formula consists of 3107 conjuncts, 81 conjunts are in the unsatisfiable core [2023-12-03 02:37:33,146 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:37:33,763 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:37:33,781 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2023-12-03 02:37:33,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:37:33,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 24 states and 70 transitions. [2023-12-03 02:37:33,830 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 70 transitions. [2023-12-03 02:37:33,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:37:33,830 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:37:33,830 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:37:33,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:37:33,831 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:37:33,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2023-12-03 02:37:35,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:37:35,598 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:37:36,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:37:36,393 INFO L262 TraceCheckSpWp]: Trace formula consists of 3107 conjuncts, 86 conjunts are in the unsatisfiable core [2023-12-03 02:37:36,400 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:37:38,058 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:37:38,075 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Ended with exit code 0 [2023-12-03 02:37:41,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:37:41,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 24 states and 70 transitions. [2023-12-03 02:37:41,142 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 70 transitions. [2023-12-03 02:37:41,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:37:41,142 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:37:41,143 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:37:41,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:37:41,143 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:37:41,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2023-12-03 02:37:43,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:37:43,004 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:37:43,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:37:43,801 INFO L262 TraceCheckSpWp]: Trace formula consists of 3107 conjuncts, 81 conjunts are in the unsatisfiable core [2023-12-03 02:37:43,807 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:37:44,375 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:37:44,393 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Ended with exit code 0 [2023-12-03 02:37:44,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:37:44,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 24 states and 70 transitions. [2023-12-03 02:37:44,445 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 70 transitions. [2023-12-03 02:37:44,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:37:44,445 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:37:44,445 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:37:44,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:37:44,446 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:37:44,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2023-12-03 02:37:46,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:37:46,208 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:37:46,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:37:46,985 INFO L262 TraceCheckSpWp]: Trace formula consists of 3107 conjuncts, 81 conjunts are in the unsatisfiable core [2023-12-03 02:37:46,992 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:37:47,597 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:37:47,614 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Ended with exit code 0 [2023-12-03 02:37:47,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:37:47,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 24 states and 70 transitions. [2023-12-03 02:37:47,662 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 70 transitions. [2023-12-03 02:37:47,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:37:47,662 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:37:47,662 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:37:47,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:37:47,663 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:37:47,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2023-12-03 02:37:49,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:37:49,487 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:37:50,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:37:50,457 INFO L262 TraceCheckSpWp]: Trace formula consists of 3107 conjuncts, 81 conjunts are in the unsatisfiable core [2023-12-03 02:37:50,463 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:37:51,078 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:37:51,096 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Ended with exit code 0 [2023-12-03 02:37:51,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:37:51,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 24 states and 70 transitions. [2023-12-03 02:37:51,144 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 70 transitions. [2023-12-03 02:37:51,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:37:51,144 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:37:51,144 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:37:51,144 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:37:51,145 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:37:51,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2023-12-03 02:37:52,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:37:52,853 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:37:53,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:37:53,771 INFO L262 TraceCheckSpWp]: Trace formula consists of 3107 conjuncts, 81 conjunts are in the unsatisfiable core [2023-12-03 02:37:53,778 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:37:54,354 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:37:54,375 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Ended with exit code 0 [2023-12-03 02:37:54,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:37:54,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 24 states and 70 transitions. [2023-12-03 02:37:54,424 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 70 transitions. [2023-12-03 02:37:54,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:37:54,424 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:37:54,425 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:37:54,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:37:54,425 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:37:54,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2023-12-03 02:37:56,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:37:56,278 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:37:57,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:37:57,052 INFO L262 TraceCheckSpWp]: Trace formula consists of 3107 conjuncts, 81 conjunts are in the unsatisfiable core [2023-12-03 02:37:57,058 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:37:57,693 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:37:57,712 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Ended with exit code 0 [2023-12-03 02:37:57,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:37:57,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 24 states and 70 transitions. [2023-12-03 02:37:57,768 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 70 transitions. [2023-12-03 02:37:57,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:37:57,768 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:37:57,768 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:37:57,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:37:57,769 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:37:57,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2023-12-03 02:37:59,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:37:59,607 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:38:00,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:00,412 INFO L262 TraceCheckSpWp]: Trace formula consists of 3107 conjuncts, 81 conjunts are in the unsatisfiable core [2023-12-03 02:38:00,418 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:38:01,016 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:38:01,034 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Ended with exit code 0 [2023-12-03 02:38:01,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:38:01,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 24 states and 70 transitions. [2023-12-03 02:38:01,085 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 70 transitions. [2023-12-03 02:38:01,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:38:01,085 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:38:01,085 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:38:01,085 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:38:01,086 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:38:01,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2023-12-03 02:38:02,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:02,874 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:38:03,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:03,847 INFO L262 TraceCheckSpWp]: Trace formula consists of 3107 conjuncts, 81 conjunts are in the unsatisfiable core [2023-12-03 02:38:03,854 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:38:04,471 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:38:04,490 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Ended with exit code 0 [2023-12-03 02:38:04,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:38:04,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 24 states and 70 transitions. [2023-12-03 02:38:04,546 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 70 transitions. [2023-12-03 02:38:04,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:38:04,547 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:38:04,547 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:38:04,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:38:04,548 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:38:04,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (60)] Waiting until timeout for monitored process [2023-12-03 02:38:06,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:06,459 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:38:07,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:07,182 INFO L262 TraceCheckSpWp]: Trace formula consists of 3107 conjuncts, 81 conjunts are in the unsatisfiable core [2023-12-03 02:38:07,189 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:38:07,792 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:38:07,809 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (60)] Forceful destruction successful, exit code 0 [2023-12-03 02:38:07,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:38:07,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 24 states and 70 transitions. [2023-12-03 02:38:07,857 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 70 transitions. [2023-12-03 02:38:07,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:38:07,857 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:38:07,857 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:38:07,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:38:07,858 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:38:07,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2023-12-03 02:38:09,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:09,659 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:38:10,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:10,531 INFO L262 TraceCheckSpWp]: Trace formula consists of 3107 conjuncts, 81 conjunts are in the unsatisfiable core [2023-12-03 02:38:10,538 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:38:11,108 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:38:11,125 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (61)] Ended with exit code 0 [2023-12-03 02:38:11,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:38:11,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 24 states and 70 transitions. [2023-12-03 02:38:11,188 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 70 transitions. [2023-12-03 02:38:11,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:38:11,189 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:38:11,189 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:38:11,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:38:11,190 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:38:11,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (62)] Waiting until timeout for monitored process [2023-12-03 02:38:12,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:13,001 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:38:13,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:13,814 INFO L262 TraceCheckSpWp]: Trace formula consists of 3107 conjuncts, 81 conjunts are in the unsatisfiable core [2023-12-03 02:38:13,820 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:38:14,401 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:38:14,417 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (62)] Ended with exit code 0 [2023-12-03 02:38:14,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:38:14,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 24 states and 70 transitions. [2023-12-03 02:38:14,464 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 70 transitions. [2023-12-03 02:38:14,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:38:14,464 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:38:14,464 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:38:14,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:38:14,465 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:38:14,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (63)] Waiting until timeout for monitored process [2023-12-03 02:38:16,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:16,176 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:38:17,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:17,155 INFO L262 TraceCheckSpWp]: Trace formula consists of 3107 conjuncts, 81 conjunts are in the unsatisfiable core [2023-12-03 02:38:17,162 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:38:17,751 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:38:17,769 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (63)] Ended with exit code 0 [2023-12-03 02:38:17,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:38:17,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 24 states and 70 transitions. [2023-12-03 02:38:17,818 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 70 transitions. [2023-12-03 02:38:17,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:38:17,818 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:38:17,818 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:38:17,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:38:17,819 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:38:17,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (64)] Waiting until timeout for monitored process [2023-12-03 02:38:19,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:19,786 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:38:20,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:20,587 INFO L262 TraceCheckSpWp]: Trace formula consists of 3107 conjuncts, 81 conjunts are in the unsatisfiable core [2023-12-03 02:38:20,594 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:38:21,179 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:38:21,197 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (64)] Ended with exit code 0 [2023-12-03 02:38:21,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:38:21,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 24 states and 70 transitions. [2023-12-03 02:38:21,246 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 70 transitions. [2023-12-03 02:38:21,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:38:21,246 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:38:21,246 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:38:21,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:38:21,247 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:38:21,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (65)] Waiting until timeout for monitored process [2023-12-03 02:38:22,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:22,998 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:38:23,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:23,888 INFO L262 TraceCheckSpWp]: Trace formula consists of 3107 conjuncts, 81 conjunts are in the unsatisfiable core [2023-12-03 02:38:23,895 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:38:24,515 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:38:24,532 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (65)] Ended with exit code 0 [2023-12-03 02:38:24,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:38:24,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 24 states and 70 transitions. [2023-12-03 02:38:24,584 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 70 transitions. [2023-12-03 02:38:24,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:38:24,584 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:38:24,584 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:38:24,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:38:24,585 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:38:24,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (66)] Waiting until timeout for monitored process [2023-12-03 02:38:26,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:26,381 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:38:27,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:27,117 INFO L262 TraceCheckSpWp]: Trace formula consists of 3107 conjuncts, 81 conjunts are in the unsatisfiable core [2023-12-03 02:38:27,124 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:38:27,719 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:38:27,737 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (66)] Ended with exit code 0 [2023-12-03 02:38:27,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:38:27,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 24 states and 70 transitions. [2023-12-03 02:38:27,787 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 70 transitions. [2023-12-03 02:38:27,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:38:27,788 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:38:27,788 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:38:27,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:38:27,789 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:38:27,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (67)] Waiting until timeout for monitored process [2023-12-03 02:38:29,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:29,499 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:38:30,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:30,404 INFO L262 TraceCheckSpWp]: Trace formula consists of 3107 conjuncts, 81 conjunts are in the unsatisfiable core [2023-12-03 02:38:30,411 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:38:30,992 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:38:31,010 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (67)] Ended with exit code 0 [2023-12-03 02:38:31,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:38:31,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 24 states and 70 transitions. [2023-12-03 02:38:31,056 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 70 transitions. [2023-12-03 02:38:31,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:38:31,056 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:38:31,056 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:38:31,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:38:31,057 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:38:31,057 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (68)] Waiting until timeout for monitored process [2023-12-03 02:38:32,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:32,879 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:38:33,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:33,759 INFO L262 TraceCheckSpWp]: Trace formula consists of 3107 conjuncts, 81 conjunts are in the unsatisfiable core [2023-12-03 02:38:33,765 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:38:34,329 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:38:34,348 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (68)] Ended with exit code 0 [2023-12-03 02:38:34,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:38:34,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 24 states and 70 transitions. [2023-12-03 02:38:34,417 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 70 transitions. [2023-12-03 02:38:34,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:38:34,417 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:38:34,417 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:38:34,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:38:34,418 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:38:34,419 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (69)] Waiting until timeout for monitored process [2023-12-03 02:38:36,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:36,138 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:38:36,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:36,870 INFO L262 TraceCheckSpWp]: Trace formula consists of 3107 conjuncts, 81 conjunts are in the unsatisfiable core [2023-12-03 02:38:36,877 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:38:37,444 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:38:37,460 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (69)] Ended with exit code 0 [2023-12-03 02:38:37,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:38:37,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 24 states and 70 transitions. [2023-12-03 02:38:37,505 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 70 transitions. [2023-12-03 02:38:37,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:38:37,505 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:38:37,505 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:38:37,505 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:38:37,506 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:38:37,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (70)] Waiting until timeout for monitored process [2023-12-03 02:38:39,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:39,316 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:38:39,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:40,005 INFO L262 TraceCheckSpWp]: Trace formula consists of 3107 conjuncts, 81 conjunts are in the unsatisfiable core [2023-12-03 02:38:40,012 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:38:40,591 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:38:40,609 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (70)] Ended with exit code 0 [2023-12-03 02:38:40,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:38:40,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 24 states and 70 transitions. [2023-12-03 02:38:40,660 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 70 transitions. [2023-12-03 02:38:40,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:38:40,661 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:38:40,661 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:38:40,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:38:40,662 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:38:40,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (71)] Waiting until timeout for monitored process [2023-12-03 02:38:42,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:42,427 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:38:43,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:43,156 INFO L262 TraceCheckSpWp]: Trace formula consists of 3107 conjuncts, 81 conjunts are in the unsatisfiable core [2023-12-03 02:38:43,163 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:38:43,772 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:38:43,790 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (71)] Ended with exit code 0 [2023-12-03 02:38:43,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:38:43,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 24 states and 70 transitions. [2023-12-03 02:38:43,842 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 70 transitions. [2023-12-03 02:38:43,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:38:43,842 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:38:43,842 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:38:43,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:38:43,843 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:38:43,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (72)] Waiting until timeout for monitored process [2023-12-03 02:38:45,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:45,570 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:38:46,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:46,500 INFO L262 TraceCheckSpWp]: Trace formula consists of 3107 conjuncts, 81 conjunts are in the unsatisfiable core [2023-12-03 02:38:46,506 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:38:47,130 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:38:47,149 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (72)] Forceful destruction successful, exit code 0 [2023-12-03 02:38:47,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:38:47,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 24 states and 70 transitions. [2023-12-03 02:38:47,195 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 70 transitions. [2023-12-03 02:38:47,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:38:47,195 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:38:47,195 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:38:47,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:38:47,196 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:38:47,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (73)] Waiting until timeout for monitored process [2023-12-03 02:38:48,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:48,977 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:38:50,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:50,121 INFO L262 TraceCheckSpWp]: Trace formula consists of 3107 conjuncts, 81 conjunts are in the unsatisfiable core [2023-12-03 02:38:50,127 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:38:50,707 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:38:50,725 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (73)] Ended with exit code 0 [2023-12-03 02:38:50,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:38:50,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 24 states and 70 transitions. [2023-12-03 02:38:50,777 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 70 transitions. [2023-12-03 02:38:50,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:38:50,777 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:38:50,777 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:38:50,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:38:50,778 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:38:50,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (74)] Waiting until timeout for monitored process [2023-12-03 02:38:52,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:52,616 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:38:53,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:53,252 INFO L262 TraceCheckSpWp]: Trace formula consists of 3107 conjuncts, 81 conjunts are in the unsatisfiable core [2023-12-03 02:38:53,258 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:38:53,834 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:38:53,852 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (74)] Ended with exit code 0 [2023-12-03 02:38:53,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:38:53,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 24 states and 70 transitions. [2023-12-03 02:38:53,901 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 70 transitions. [2023-12-03 02:38:53,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:38:53,901 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:38:53,902 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:38:53,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:38:53,902 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:38:53,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (75)] Waiting until timeout for monitored process [2023-12-03 02:38:55,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:55,707 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:38:56,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:56,609 INFO L262 TraceCheckSpWp]: Trace formula consists of 3107 conjuncts, 81 conjunts are in the unsatisfiable core [2023-12-03 02:38:56,616 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:38:57,219 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:38:57,237 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (75)] Ended with exit code 0 [2023-12-03 02:38:57,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:38:57,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 24 states and 70 transitions. [2023-12-03 02:38:57,284 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 70 transitions. [2023-12-03 02:38:57,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:38:57,284 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:38:57,284 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:38:57,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:38:57,285 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:38:57,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (76)] Waiting until timeout for monitored process [2023-12-03 02:38:59,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:59,104 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:38:59,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:59,836 INFO L262 TraceCheckSpWp]: Trace formula consists of 3107 conjuncts, 81 conjunts are in the unsatisfiable core [2023-12-03 02:38:59,843 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:39:00,433 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:39:00,452 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (76)] Ended with exit code 0 [2023-12-03 02:39:00,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:39:00,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 24 states and 70 transitions. [2023-12-03 02:39:00,501 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 70 transitions. [2023-12-03 02:39:00,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:39:00,501 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:39:00,501 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:39:00,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:39:00,502 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:39:00,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (77)] Waiting until timeout for monitored process [2023-12-03 02:39:02,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:39:02,232 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:39:02,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:39:03,029 INFO L262 TraceCheckSpWp]: Trace formula consists of 3107 conjuncts, 81 conjunts are in the unsatisfiable core [2023-12-03 02:39:03,035 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:39:03,617 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:39:03,635 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (77)] Ended with exit code 0 [2023-12-03 02:39:03,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:39:03,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 24 states and 70 transitions. [2023-12-03 02:39:03,685 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 70 transitions. [2023-12-03 02:39:03,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:39:03,685 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:39:03,685 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:39:03,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:39:03,686 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:39:03,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (78)] Waiting until timeout for monitored process [2023-12-03 02:39:05,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:39:05,450 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:39:06,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:39:06,204 INFO L262 TraceCheckSpWp]: Trace formula consists of 3107 conjuncts, 81 conjunts are in the unsatisfiable core [2023-12-03 02:39:06,210 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:39:06,811 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:39:06,828 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (78)] Ended with exit code 0 [2023-12-03 02:39:06,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:39:06,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 24 states and 70 transitions. [2023-12-03 02:39:06,877 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 70 transitions. [2023-12-03 02:39:06,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:39:06,877 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:39:06,877 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:39:06,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:39:06,878 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:39:06,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (79)] Waiting until timeout for monitored process [2023-12-03 02:39:08,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:39:08,697 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:39:09,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:39:09,526 INFO L262 TraceCheckSpWp]: Trace formula consists of 3107 conjuncts, 81 conjunts are in the unsatisfiable core [2023-12-03 02:39:09,533 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:39:10,118 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:39:10,137 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (79)] Ended with exit code 0 [2023-12-03 02:39:10,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:39:10,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 24 states and 70 transitions. [2023-12-03 02:39:10,189 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 70 transitions. [2023-12-03 02:39:10,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:39:10,190 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:39:10,190 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:39:10,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:39:10,191 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:39:10,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (80)] Waiting until timeout for monitored process [2023-12-03 02:39:12,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:39:12,099 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:39:12,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:39:13,015 INFO L262 TraceCheckSpWp]: Trace formula consists of 3107 conjuncts, 81 conjunts are in the unsatisfiable core [2023-12-03 02:39:13,022 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:39:13,599 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:39:13,617 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (80)] Ended with exit code 0 [2023-12-03 02:39:13,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:39:13,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 24 states and 70 transitions. [2023-12-03 02:39:13,665 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 70 transitions. [2023-12-03 02:39:13,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:39:13,666 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:39:13,666 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:39:13,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:39:13,666 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:39:13,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (81)] Waiting until timeout for monitored process [2023-12-03 02:39:15,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:39:15,477 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:39:16,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:39:16,221 INFO L262 TraceCheckSpWp]: Trace formula consists of 3107 conjuncts, 81 conjunts are in the unsatisfiable core [2023-12-03 02:39:16,227 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:39:16,807 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:39:16,825 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (81)] Ended with exit code 0 [2023-12-03 02:39:16,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:39:16,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 24 states and 70 transitions. [2023-12-03 02:39:16,874 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 70 transitions. [2023-12-03 02:39:16,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:39:16,874 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:39:16,874 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:39:16,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:39:16,875 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:39:16,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (82)] Waiting until timeout for monitored process [2023-12-03 02:39:18,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:39:18,566 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:39:19,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:39:19,412 INFO L262 TraceCheckSpWp]: Trace formula consists of 3107 conjuncts, 81 conjunts are in the unsatisfiable core [2023-12-03 02:39:19,418 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:39:20,071 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:39:20,090 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (82)] Ended with exit code 0 [2023-12-03 02:39:20,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:39:20,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 24 states and 70 transitions. [2023-12-03 02:39:20,137 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 70 transitions. [2023-12-03 02:39:20,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:39:20,138 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:39:20,138 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:39:20,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:39:20,138 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:39:20,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (83)] Waiting until timeout for monitored process [2023-12-03 02:39:21,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:39:21,977 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:39:22,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:39:22,908 INFO L262 TraceCheckSpWp]: Trace formula consists of 3107 conjuncts, 81 conjunts are in the unsatisfiable core [2023-12-03 02:39:22,914 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:39:23,521 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:39:23,539 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (83)] Ended with exit code 0 [2023-12-03 02:39:23,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:39:23,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 24 states and 70 transitions. [2023-12-03 02:39:23,586 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 70 transitions. [2023-12-03 02:39:23,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:39:23,586 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:39:23,587 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:39:23,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:39:23,587 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:39:23,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (84)] Waiting until timeout for monitored process [2023-12-03 02:39:25,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:39:25,299 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:39:26,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:39:26,068 INFO L262 TraceCheckSpWp]: Trace formula consists of 3107 conjuncts, 81 conjunts are in the unsatisfiable core [2023-12-03 02:39:26,074 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:39:26,632 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:39:26,649 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (84)] Ended with exit code 0 [2023-12-03 02:39:26,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:39:26,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 24 states and 70 transitions. [2023-12-03 02:39:26,713 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 70 transitions. [2023-12-03 02:39:26,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:39:26,713 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:39:26,713 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:39:26,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:39:26,714 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:39:26,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (85)] Waiting until timeout for monitored process [2023-12-03 02:39:28,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:39:28,441 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:39:29,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:39:29,253 INFO L262 TraceCheckSpWp]: Trace formula consists of 3107 conjuncts, 81 conjunts are in the unsatisfiable core [2023-12-03 02:39:29,259 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:39:29,883 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:39:29,901 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (85)] Ended with exit code 0 [2023-12-03 02:39:29,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:39:29,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 24 states and 70 transitions. [2023-12-03 02:39:29,951 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 70 transitions. [2023-12-03 02:39:29,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:39:29,951 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:39:29,951 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:39:29,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:39:29,952 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:39:29,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (86)] Waiting until timeout for monitored process [2023-12-03 02:39:31,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:39:31,799 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:39:32,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:39:32,598 INFO L262 TraceCheckSpWp]: Trace formula consists of 3107 conjuncts, 81 conjunts are in the unsatisfiable core [2023-12-03 02:39:32,604 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:39:33,175 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:39:33,193 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (86)] Ended with exit code 0 [2023-12-03 02:39:33,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:39:33,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 24 states and 70 transitions. [2023-12-03 02:39:33,240 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 70 transitions. [2023-12-03 02:39:33,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:39:33,241 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:39:33,241 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:39:33,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:39:33,242 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:39:33,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (87)] Waiting until timeout for monitored process [2023-12-03 02:39:35,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:39:35,087 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:39:35,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:39:35,981 INFO L262 TraceCheckSpWp]: Trace formula consists of 3107 conjuncts, 81 conjunts are in the unsatisfiable core [2023-12-03 02:39:35,988 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:39:36,549 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:39:36,568 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (87)] Forceful destruction successful, exit code 0 [2023-12-03 02:39:36,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:39:36,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 24 states and 70 transitions. [2023-12-03 02:39:36,622 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 70 transitions. [2023-12-03 02:39:36,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:39:36,623 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:39:36,623 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:39:36,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:39:36,624 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:39:36,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (88)] Waiting until timeout for monitored process [2023-12-03 02:39:38,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:39:38,445 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:39:39,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:39:39,346 INFO L262 TraceCheckSpWp]: Trace formula consists of 3107 conjuncts, 81 conjunts are in the unsatisfiable core [2023-12-03 02:39:39,353 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:39:39,966 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:39:39,984 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (88)] Ended with exit code 0 [2023-12-03 02:39:40,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:39:40,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 24 states and 70 transitions. [2023-12-03 02:39:40,030 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 70 transitions. [2023-12-03 02:39:40,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:39:40,030 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:39:40,030 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:39:40,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:39:40,031 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:39:40,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (89)] Waiting until timeout for monitored process [2023-12-03 02:39:41,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:39:41,836 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:39:42,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:39:42,646 INFO L262 TraceCheckSpWp]: Trace formula consists of 3107 conjuncts, 81 conjunts are in the unsatisfiable core [2023-12-03 02:39:42,653 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:39:43,266 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:39:43,284 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (89)] Ended with exit code 0 [2023-12-03 02:39:43,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:39:43,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 24 states and 70 transitions. [2023-12-03 02:39:43,332 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 70 transitions. [2023-12-03 02:39:43,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:39:43,333 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:39:43,333 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:39:43,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:39:43,333 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:39:43,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (90)] Waiting until timeout for monitored process [2023-12-03 02:39:45,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:39:45,212 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:39:46,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:39:46,074 INFO L262 TraceCheckSpWp]: Trace formula consists of 3107 conjuncts, 81 conjunts are in the unsatisfiable core [2023-12-03 02:39:46,081 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:39:46,689 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:39:46,708 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (90)] Ended with exit code 0 [2023-12-03 02:39:46,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:39:46,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 24 states and 70 transitions. [2023-12-03 02:39:46,759 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 70 transitions. [2023-12-03 02:39:46,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:39:46,759 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:39:46,759 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:39:46,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:39:46,760 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:39:46,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (91)] Waiting until timeout for monitored process [2023-12-03 02:39:48,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:39:48,582 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:39:49,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:39:49,467 INFO L262 TraceCheckSpWp]: Trace formula consists of 3107 conjuncts, 81 conjunts are in the unsatisfiable core [2023-12-03 02:39:49,474 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:39:50,071 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:39:50,089 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (91)] Ended with exit code 0 [2023-12-03 02:39:50,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:39:50,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 24 states and 70 transitions. [2023-12-03 02:39:50,145 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 70 transitions. [2023-12-03 02:39:50,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:39:50,146 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:39:50,146 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:39:50,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:39:50,147 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:39:50,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (92)] Waiting until timeout for monitored process [2023-12-03 02:39:52,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:39:52,126 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:39:52,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:39:52,805 INFO L262 TraceCheckSpWp]: Trace formula consists of 3107 conjuncts, 81 conjunts are in the unsatisfiable core [2023-12-03 02:39:52,811 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:39:53,410 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:39:53,433 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (92)] Ended with exit code 0 [2023-12-03 02:39:53,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:39:53,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 24 states and 70 transitions. [2023-12-03 02:39:53,480 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 70 transitions. [2023-12-03 02:39:53,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:39:53,480 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:39:53,480 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:39:53,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:39:53,481 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:39:53,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (93)] Waiting until timeout for monitored process [2023-12-03 02:39:55,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:39:55,250 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:39:56,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:39:56,118 INFO L262 TraceCheckSpWp]: Trace formula consists of 3107 conjuncts, 81 conjunts are in the unsatisfiable core [2023-12-03 02:39:56,124 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:39:56,731 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:39:56,748 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (93)] Ended with exit code 0 [2023-12-03 02:39:56,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:39:56,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 24 states and 70 transitions. [2023-12-03 02:39:56,813 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 70 transitions. [2023-12-03 02:39:56,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:39:56,813 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:39:56,813 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:39:56,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:39:56,814 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:39:56,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (94)] Waiting until timeout for monitored process [2023-12-03 02:39:58,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:39:58,599 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:39:59,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:39:59,509 INFO L262 TraceCheckSpWp]: Trace formula consists of 3107 conjuncts, 81 conjunts are in the unsatisfiable core [2023-12-03 02:39:59,515 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:40:00,144 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:40:00,162 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (94)] Ended with exit code 0 [2023-12-03 02:40:00,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:40:00,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 24 states and 70 transitions. [2023-12-03 02:40:00,212 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 70 transitions. [2023-12-03 02:40:00,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:40:00,212 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:40:00,212 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:40:00,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:40:00,213 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:40:00,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (95)] Waiting until timeout for monitored process [2023-12-03 02:40:01,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:40:01,974 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:40:02,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:40:02,725 INFO L262 TraceCheckSpWp]: Trace formula consists of 3107 conjuncts, 81 conjunts are in the unsatisfiable core [2023-12-03 02:40:02,732 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:40:03,335 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:40:03,354 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (95)] Ended with exit code 0 [2023-12-03 02:40:03,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:40:03,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 24 states and 70 transitions. [2023-12-03 02:40:03,407 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 70 transitions. [2023-12-03 02:40:03,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:40:03,407 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:40:03,407 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:40:03,407 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:40:03,408 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:40:03,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (96)] Waiting until timeout for monitored process [2023-12-03 02:40:05,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:40:05,141 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:40:05,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:40:05,834 INFO L262 TraceCheckSpWp]: Trace formula consists of 3107 conjuncts, 81 conjunts are in the unsatisfiable core [2023-12-03 02:40:05,840 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:40:06,417 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:40:06,434 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (96)] Ended with exit code 0 [2023-12-03 02:40:06,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:40:06,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 24 states and 70 transitions. [2023-12-03 02:40:06,480 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 70 transitions. [2023-12-03 02:40:06,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:40:06,480 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:40:06,480 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:40:06,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:40:06,481 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:40:06,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (97)] Waiting until timeout for monitored process [2023-12-03 02:40:08,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:40:08,320 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:40:09,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:40:09,063 INFO L262 TraceCheckSpWp]: Trace formula consists of 3107 conjuncts, 81 conjunts are in the unsatisfiable core [2023-12-03 02:40:09,069 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:40:09,664 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:40:09,682 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (97)] Ended with exit code 0 [2023-12-03 02:40:09,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:40:09,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 24 states and 70 transitions. [2023-12-03 02:40:09,738 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 70 transitions. [2023-12-03 02:40:09,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:40:09,739 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:40:09,739 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:40:09,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:40:09,740 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:40:09,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (98)] Waiting until timeout for monitored process [2023-12-03 02:40:11,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:40:11,577 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:40:12,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:40:12,411 INFO L262 TraceCheckSpWp]: Trace formula consists of 3107 conjuncts, 81 conjunts are in the unsatisfiable core [2023-12-03 02:40:12,418 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:40:13,053 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:40:13,071 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (98)] Ended with exit code 0 [2023-12-03 02:40:13,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:40:13,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 24 states and 70 transitions. [2023-12-03 02:40:13,122 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 70 transitions. [2023-12-03 02:40:13,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:40:13,122 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:40:13,122 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:40:13,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:40:13,123 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:40:13,124 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (99)] Waiting until timeout for monitored process [2023-12-03 02:40:14,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:40:14,978 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:40:15,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:40:15,712 INFO L262 TraceCheckSpWp]: Trace formula consists of 3107 conjuncts, 81 conjunts are in the unsatisfiable core [2023-12-03 02:40:15,719 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:40:16,308 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:40:16,326 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (99)] Ended with exit code 0 [2023-12-03 02:40:16,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:40:16,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 24 states and 70 transitions. [2023-12-03 02:40:16,372 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 70 transitions. [2023-12-03 02:40:16,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:40:16,372 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:40:16,373 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:40:16,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:40:16,373 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:40:16,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (100)] Waiting until timeout for monitored process [2023-12-03 02:40:18,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:40:18,162 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:40:18,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:40:19,011 INFO L262 TraceCheckSpWp]: Trace formula consists of 3107 conjuncts, 81 conjunts are in the unsatisfiable core [2023-12-03 02:40:19,017 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:40:19,621 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:40:19,639 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (100)] Ended with exit code 0 [2023-12-03 02:40:19,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:40:19,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 24 states and 70 transitions. [2023-12-03 02:40:19,683 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 70 transitions. [2023-12-03 02:40:19,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:40:19,683 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:40:19,683 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:40:19,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:40:19,684 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:40:19,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (101)] Waiting until timeout for monitored process [2023-12-03 02:40:21,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:40:21,559 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:40:22,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:40:22,437 INFO L262 TraceCheckSpWp]: Trace formula consists of 3107 conjuncts, 81 conjunts are in the unsatisfiable core [2023-12-03 02:40:22,444 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:40:23,100 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:40:23,119 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (101)] Ended with exit code 0 [2023-12-03 02:40:23,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:40:23,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 24 states and 70 transitions. [2023-12-03 02:40:23,174 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 70 transitions. [2023-12-03 02:40:23,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:40:23,174 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:40:23,174 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:40:23,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:40:23,175 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:40:23,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (102)] Waiting until timeout for monitored process [2023-12-03 02:40:25,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:40:25,062 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:40:26,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:40:26,264 INFO L262 TraceCheckSpWp]: Trace formula consists of 3107 conjuncts, 81 conjunts are in the unsatisfiable core [2023-12-03 02:40:26,270 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:40:26,924 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:40:26,943 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (102)] Ended with exit code 0 [2023-12-03 02:40:27,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:40:27,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 24 states and 70 transitions. [2023-12-03 02:40:27,012 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 70 transitions. [2023-12-03 02:40:27,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:40:27,012 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:40:27,012 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:40:27,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:40:27,013 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:40:27,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (103)] Waiting until timeout for monitored process [2023-12-03 02:40:28,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:40:28,838 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:40:29,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:40:29,667 INFO L262 TraceCheckSpWp]: Trace formula consists of 3107 conjuncts, 81 conjunts are in the unsatisfiable core [2023-12-03 02:40:29,673 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:40:30,307 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:40:30,325 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (103)] Ended with exit code 0 [2023-12-03 02:40:30,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:40:30,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 24 states and 70 transitions. [2023-12-03 02:40:30,379 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 70 transitions. [2023-12-03 02:40:30,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:40:30,379 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:40:30,379 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:40:30,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:40:30,380 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:40:30,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (104)] Waiting until timeout for monitored process [2023-12-03 02:40:32,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:40:32,270 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:40:33,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:40:33,214 INFO L262 TraceCheckSpWp]: Trace formula consists of 3107 conjuncts, 81 conjunts are in the unsatisfiable core [2023-12-03 02:40:33,221 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:40:33,821 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:40:33,840 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (104)] Ended with exit code 0 [2023-12-03 02:40:33,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:40:33,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 24 states and 70 transitions. [2023-12-03 02:40:33,892 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 70 transitions. [2023-12-03 02:40:33,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:40:33,893 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:40:33,893 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:40:33,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:40:33,894 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:40:33,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (105)] Waiting until timeout for monitored process [2023-12-03 02:40:35,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:40:35,803 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:40:36,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:40:36,598 INFO L262 TraceCheckSpWp]: Trace formula consists of 3107 conjuncts, 81 conjunts are in the unsatisfiable core [2023-12-03 02:40:36,606 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:40:37,260 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:40:37,279 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (105)] Ended with exit code 0 [2023-12-03 02:40:37,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:40:37,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 24 states and 70 transitions. [2023-12-03 02:40:37,333 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 70 transitions. [2023-12-03 02:40:37,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:40:37,333 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:40:37,333 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:40:37,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:40:37,334 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:40:37,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (106)] Waiting until timeout for monitored process [2023-12-03 02:40:39,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:40:39,234 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:40:40,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:40:40,148 INFO L262 TraceCheckSpWp]: Trace formula consists of 3107 conjuncts, 81 conjunts are in the unsatisfiable core [2023-12-03 02:40:40,154 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:40:40,790 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:40:40,809 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (106)] Ended with exit code 0 [2023-12-03 02:40:40,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:40:40,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 24 states and 70 transitions. [2023-12-03 02:40:40,864 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 70 transitions. [2023-12-03 02:40:40,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:40:40,864 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:40:40,864 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:40:40,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:40:40,865 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:40:40,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (107)] Waiting until timeout for monitored process [2023-12-03 02:40:42,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:40:42,819 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:40:43,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:40:43,667 INFO L262 TraceCheckSpWp]: Trace formula consists of 3107 conjuncts, 81 conjunts are in the unsatisfiable core [2023-12-03 02:40:43,674 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:40:44,271 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:40:44,290 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (107)] Ended with exit code 0 [2023-12-03 02:40:44,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:40:44,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 24 states and 70 transitions. [2023-12-03 02:40:44,341 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 70 transitions. [2023-12-03 02:40:44,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:40:44,341 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:40:44,341 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:40:44,341 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:40:44,342 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:40:44,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (108)] Waiting until timeout for monitored process [2023-12-03 02:40:46,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:40:46,210 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:40:46,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:40:47,003 INFO L262 TraceCheckSpWp]: Trace formula consists of 3107 conjuncts, 81 conjunts are in the unsatisfiable core [2023-12-03 02:40:47,010 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:40:47,655 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:40:47,673 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (108)] Ended with exit code 0 [2023-12-03 02:40:47,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:40:47,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 24 states and 70 transitions. [2023-12-03 02:40:47,719 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 70 transitions. [2023-12-03 02:40:47,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:40:47,719 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:40:47,719 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:40:47,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:40:47,720 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:40:47,721 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (109)] Waiting until timeout for monitored process [2023-12-03 02:40:49,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:40:49,622 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:40:50,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:40:50,521 INFO L262 TraceCheckSpWp]: Trace formula consists of 3107 conjuncts, 81 conjunts are in the unsatisfiable core [2023-12-03 02:40:50,527 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:40:51,109 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:40:51,127 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (109)] Ended with exit code 0 [2023-12-03 02:40:51,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:40:51,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 24 states and 70 transitions. [2023-12-03 02:40:51,181 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 70 transitions. [2023-12-03 02:40:51,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:40:51,181 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:40:51,181 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:40:51,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:40:51,182 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:40:51,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (110)] Waiting until timeout for monitored process [2023-12-03 02:40:52,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:40:52,964 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:40:53,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:40:53,650 INFO L262 TraceCheckSpWp]: Trace formula consists of 3107 conjuncts, 81 conjunts are in the unsatisfiable core [2023-12-03 02:40:53,656 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:40:54,232 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:40:54,250 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (110)] Ended with exit code 0 [2023-12-03 02:40:54,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:40:54,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 24 states and 70 transitions. [2023-12-03 02:40:54,300 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 70 transitions. [2023-12-03 02:40:54,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:40:54,300 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:40:54,300 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:40:54,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:40:54,301 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:40:54,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (111)] Waiting until timeout for monitored process [2023-12-03 02:40:56,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:40:56,033 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:40:56,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:40:56,831 INFO L262 TraceCheckSpWp]: Trace formula consists of 3107 conjuncts, 81 conjunts are in the unsatisfiable core [2023-12-03 02:40:56,837 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:40:57,399 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:40:57,418 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (111)] Ended with exit code 0 [2023-12-03 02:40:57,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:40:57,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 24 states and 70 transitions. [2023-12-03 02:40:57,484 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 70 transitions. [2023-12-03 02:40:57,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:40:57,484 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:40:57,484 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:40:57,484 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:40:57,485 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:40:57,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (112)] Waiting until timeout for monitored process [2023-12-03 02:40:59,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:40:59,410 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:41:00,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:41:00,340 INFO L262 TraceCheckSpWp]: Trace formula consists of 3107 conjuncts, 81 conjunts are in the unsatisfiable core [2023-12-03 02:41:00,347 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:41:00,963 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:41:00,981 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (112)] Ended with exit code 0 [2023-12-03 02:41:01,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:41:01,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 24 states and 70 transitions. [2023-12-03 02:41:01,025 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 70 transitions. [2023-12-03 02:41:01,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:41:01,025 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:41:01,025 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:41:01,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:41:01,026 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:41:01,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (113)] Waiting until timeout for monitored process [2023-12-03 02:41:02,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:41:02,810 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:41:03,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:41:03,664 INFO L262 TraceCheckSpWp]: Trace formula consists of 3107 conjuncts, 81 conjunts are in the unsatisfiable core [2023-12-03 02:41:03,671 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:41:04,297 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:41:04,315 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (113)] Ended with exit code 0 [2023-12-03 02:41:04,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:41:04,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 24 states and 70 transitions. [2023-12-03 02:41:04,365 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 70 transitions. [2023-12-03 02:41:04,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:41:04,365 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:41:04,365 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:41:04,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:41:04,366 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:41:04,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (114)] Waiting until timeout for monitored process [2023-12-03 02:41:06,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:41:06,156 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:41:06,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:41:06,873 INFO L262 TraceCheckSpWp]: Trace formula consists of 3107 conjuncts, 81 conjunts are in the unsatisfiable core [2023-12-03 02:41:06,879 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:41:07,452 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:41:07,471 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (114)] Ended with exit code 0 [2023-12-03 02:41:07,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:41:07,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 24 states and 70 transitions. [2023-12-03 02:41:07,519 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 70 transitions. [2023-12-03 02:41:07,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:41:07,519 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:41:07,519 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:41:07,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:41:07,520 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:41:07,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (115)] Waiting until timeout for monitored process [2023-12-03 02:41:09,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:41:09,389 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:41:10,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:41:10,445 INFO L262 TraceCheckSpWp]: Trace formula consists of 3107 conjuncts, 81 conjunts are in the unsatisfiable core [2023-12-03 02:41:10,451 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:41:11,053 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:41:11,072 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (115)] Ended with exit code 0 [2023-12-03 02:41:11,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:41:11,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 24 states and 70 transitions. [2023-12-03 02:41:11,118 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 70 transitions. [2023-12-03 02:41:11,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:41:11,119 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:41:11,119 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:41:11,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:41:11,119 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:41:11,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (116)] Waiting until timeout for monitored process [2023-12-03 02:41:12,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:41:12,950 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:41:13,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:41:13,772 INFO L262 TraceCheckSpWp]: Trace formula consists of 3107 conjuncts, 81 conjunts are in the unsatisfiable core [2023-12-03 02:41:13,778 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:41:14,379 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:41:14,397 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (116)] Ended with exit code 0 [2023-12-03 02:41:14,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:41:14,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 24 states and 70 transitions. [2023-12-03 02:41:14,443 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 70 transitions. [2023-12-03 02:41:14,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:41:14,443 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:41:14,443 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:41:14,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:41:14,444 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:41:14,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (117)] Waiting until timeout for monitored process [2023-12-03 02:41:16,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:41:16,219 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:41:17,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:41:17,060 INFO L262 TraceCheckSpWp]: Trace formula consists of 3107 conjuncts, 81 conjunts are in the unsatisfiable core [2023-12-03 02:41:17,066 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:41:17,622 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:41:17,640 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (117)] Ended with exit code 0 [2023-12-03 02:41:17,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:41:17,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 24 states and 70 transitions. [2023-12-03 02:41:17,685 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 70 transitions. [2023-12-03 02:41:17,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:41:17,685 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:41:17,686 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:41:17,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:41:17,686 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:41:17,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (118)] Waiting until timeout for monitored process [2023-12-03 02:41:19,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:41:19,528 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:41:20,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:41:20,339 INFO L262 TraceCheckSpWp]: Trace formula consists of 3107 conjuncts, 81 conjunts are in the unsatisfiable core [2023-12-03 02:41:20,346 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:41:20,965 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:41:20,983 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (118)] Ended with exit code 0 [2023-12-03 02:41:21,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:41:21,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 24 states and 70 transitions. [2023-12-03 02:41:21,032 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 70 transitions. [2023-12-03 02:41:21,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:41:21,032 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:41:21,032 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:41:21,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:41:21,033 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:41:21,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (119)] Waiting until timeout for monitored process [2023-12-03 02:41:22,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:41:22,908 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:41:23,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:41:23,611 INFO L262 TraceCheckSpWp]: Trace formula consists of 3107 conjuncts, 81 conjunts are in the unsatisfiable core [2023-12-03 02:41:23,618 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:41:24,239 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:41:24,258 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (119)] Ended with exit code 0 [2023-12-03 02:41:24,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:41:24,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 24 states and 70 transitions. [2023-12-03 02:41:24,310 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 70 transitions. [2023-12-03 02:41:24,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:41:24,310 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:41:24,310 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:41:24,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:41:24,311 INFO L229 MonitoredProcess]: Starting monitored process 120 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:41:24,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (120)] Waiting until timeout for monitored process [2023-12-03 02:41:26,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:41:26,210 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:41:27,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:41:27,131 INFO L262 TraceCheckSpWp]: Trace formula consists of 3107 conjuncts, 81 conjunts are in the unsatisfiable core [2023-12-03 02:41:27,137 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:41:27,757 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:41:27,775 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (120)] Ended with exit code 0 [2023-12-03 02:41:27,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:41:27,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 24 states and 70 transitions. [2023-12-03 02:41:27,827 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 70 transitions. [2023-12-03 02:41:27,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:41:27,827 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:41:27,827 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:41:27,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:41:27,828 INFO L229 MonitoredProcess]: Starting monitored process 121 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:41:27,829 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (121)] Waiting until timeout for monitored process [2023-12-03 02:41:29,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:41:29,814 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:41:30,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:41:30,746 INFO L262 TraceCheckSpWp]: Trace formula consists of 3107 conjuncts, 81 conjunts are in the unsatisfiable core [2023-12-03 02:41:30,753 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:41:31,346 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:41:31,365 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (121)] Forceful destruction successful, exit code 0 [2023-12-03 02:41:31,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:41:31,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 24 states and 70 transitions. [2023-12-03 02:41:31,413 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 70 transitions. [2023-12-03 02:41:31,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:41:31,413 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:41:31,413 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:41:31,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:41:31,414 INFO L229 MonitoredProcess]: Starting monitored process 122 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:41:31,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (122)] Waiting until timeout for monitored process [2023-12-03 02:41:33,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:41:33,151 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:41:33,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:41:33,931 INFO L262 TraceCheckSpWp]: Trace formula consists of 3107 conjuncts, 81 conjunts are in the unsatisfiable core [2023-12-03 02:41:33,938 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:41:34,563 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:41:34,582 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (122)] Forceful destruction successful, exit code 0 [2023-12-03 02:41:34,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:41:34,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 24 states and 70 transitions. [2023-12-03 02:41:34,660 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 70 transitions. [2023-12-03 02:41:34,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:41:34,660 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:41:34,660 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:41:34,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:41:34,661 INFO L229 MonitoredProcess]: Starting monitored process 123 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:41:34,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (123)] Waiting until timeout for monitored process [2023-12-03 02:41:36,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:41:36,630 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:41:37,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:41:37,364 INFO L262 TraceCheckSpWp]: Trace formula consists of 3107 conjuncts, 81 conjunts are in the unsatisfiable core [2023-12-03 02:41:37,371 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:41:37,972 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:41:37,990 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (123)] Ended with exit code 0 [2023-12-03 02:41:38,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:41:38,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 24 states and 70 transitions. [2023-12-03 02:41:38,038 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 70 transitions. [2023-12-03 02:41:38,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:41:38,038 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:41:38,038 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:41:38,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:41:38,039 INFO L229 MonitoredProcess]: Starting monitored process 124 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:41:38,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (124)] Waiting until timeout for monitored process [2023-12-03 02:41:39,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:41:39,806 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:41:40,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:41:40,585 INFO L262 TraceCheckSpWp]: Trace formula consists of 3107 conjuncts, 81 conjunts are in the unsatisfiable core [2023-12-03 02:41:40,592 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:41:41,191 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:41:41,211 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (124)] Ended with exit code 0 [2023-12-03 02:41:41,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:41:41,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 24 states and 70 transitions. [2023-12-03 02:41:41,260 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 70 transitions. [2023-12-03 02:41:41,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:41:41,260 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:41:41,260 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:41:41,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:41:41,261 INFO L229 MonitoredProcess]: Starting monitored process 125 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:41:41,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (125)] Waiting until timeout for monitored process [2023-12-03 02:41:43,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:41:43,002 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:41:43,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:41:43,880 INFO L262 TraceCheckSpWp]: Trace formula consists of 3107 conjuncts, 81 conjunts are in the unsatisfiable core [2023-12-03 02:41:43,887 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:41:44,405 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:41:44,425 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (125)] Ended with exit code 0 [2023-12-03 02:41:44,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:41:44,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 24 states and 70 transitions. [2023-12-03 02:41:44,476 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 70 transitions. [2023-12-03 02:41:44,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:41:44,476 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:41:44,476 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:41:44,476 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:41:44,477 INFO L229 MonitoredProcess]: Starting monitored process 126 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:41:44,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (126)] Waiting until timeout for monitored process [2023-12-03 02:41:46,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:41:46,287 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:41:47,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:41:47,104 INFO L262 TraceCheckSpWp]: Trace formula consists of 3107 conjuncts, 81 conjunts are in the unsatisfiable core [2023-12-03 02:41:47,110 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:41:47,695 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:41:47,716 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (126)] Ended with exit code 0 [2023-12-03 02:41:47,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:41:47,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 24 states and 70 transitions. [2023-12-03 02:41:47,763 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 70 transitions. [2023-12-03 02:41:47,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:41:47,763 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:41:47,763 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:41:47,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:41:47,764 INFO L229 MonitoredProcess]: Starting monitored process 127 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:41:47,765 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (127)] Waiting until timeout for monitored process [2023-12-03 02:41:49,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:41:49,579 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:41:50,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:41:50,313 INFO L262 TraceCheckSpWp]: Trace formula consists of 3107 conjuncts, 81 conjunts are in the unsatisfiable core [2023-12-03 02:41:50,320 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:41:50,910 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:41:50,929 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (127)] Ended with exit code 0 [2023-12-03 02:41:50,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:41:50,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 24 states and 70 transitions. [2023-12-03 02:41:50,976 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 70 transitions. [2023-12-03 02:41:50,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:41:50,976 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:41:50,976 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:41:50,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:41:50,977 INFO L229 MonitoredProcess]: Starting monitored process 128 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:41:50,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (128)] Waiting until timeout for monitored process [2023-12-03 02:41:52,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:41:52,784 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:41:53,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:41:53,604 INFO L262 TraceCheckSpWp]: Trace formula consists of 3107 conjuncts, 81 conjunts are in the unsatisfiable core [2023-12-03 02:41:53,610 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:41:54,200 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:41:54,221 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (128)] Ended with exit code 0 [2023-12-03 02:41:54,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:41:54,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 24 states and 70 transitions. [2023-12-03 02:41:54,264 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 70 transitions. [2023-12-03 02:41:54,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:41:54,265 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:41:54,265 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:41:54,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:41:54,266 INFO L229 MonitoredProcess]: Starting monitored process 129 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:41:54,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (129)] Waiting until timeout for monitored process [2023-12-03 02:41:56,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:41:56,131 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:41:56,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:41:56,859 INFO L262 TraceCheckSpWp]: Trace formula consists of 3107 conjuncts, 81 conjunts are in the unsatisfiable core [2023-12-03 02:41:56,865 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:41:57,436 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:41:57,455 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (129)] Ended with exit code 0 [2023-12-03 02:41:57,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:41:57,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 24 states and 70 transitions. [2023-12-03 02:41:57,505 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 70 transitions. [2023-12-03 02:41:57,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:41:57,505 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:41:57,506 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:41:57,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:41:57,506 INFO L229 MonitoredProcess]: Starting monitored process 130 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:41:57,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (130)] Waiting until timeout for monitored process [2023-12-03 02:41:59,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:41:59,327 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:42:00,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:42:00,084 INFO L262 TraceCheckSpWp]: Trace formula consists of 3107 conjuncts, 81 conjunts are in the unsatisfiable core [2023-12-03 02:42:00,091 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:42:00,622 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:42:00,641 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (130)] Ended with exit code 0 [2023-12-03 02:42:00,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:42:00,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 24 states and 70 transitions. [2023-12-03 02:42:00,686 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 70 transitions. [2023-12-03 02:42:00,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:42:00,686 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:42:00,686 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:42:00,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:42:00,687 INFO L229 MonitoredProcess]: Starting monitored process 131 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:42:00,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (131)] Waiting until timeout for monitored process [2023-12-03 02:42:02,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:42:02,487 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:42:03,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:42:03,321 INFO L262 TraceCheckSpWp]: Trace formula consists of 3107 conjuncts, 81 conjunts are in the unsatisfiable core [2023-12-03 02:42:03,327 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:42:03,859 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:42:03,877 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (131)] Ended with exit code 0 [2023-12-03 02:42:03,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:42:03,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 24 states and 70 transitions. [2023-12-03 02:42:03,943 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 70 transitions. [2023-12-03 02:42:03,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:42:03,944 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:42:03,944 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:42:03,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:42:03,944 INFO L229 MonitoredProcess]: Starting monitored process 132 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:42:03,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (132)] Waiting until timeout for monitored process [2023-12-03 02:42:05,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:42:05,788 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:42:06,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:42:06,536 INFO L262 TraceCheckSpWp]: Trace formula consists of 3107 conjuncts, 81 conjunts are in the unsatisfiable core [2023-12-03 02:42:06,543 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:42:07,119 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:42:07,139 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (132)] Ended with exit code 0 [2023-12-03 02:42:07,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:42:07,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 24 states and 70 transitions. [2023-12-03 02:42:07,187 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 70 transitions. [2023-12-03 02:42:07,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:42:07,187 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:42:07,187 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:42:07,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:42:07,188 INFO L229 MonitoredProcess]: Starting monitored process 133 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:42:07,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (133)] Waiting until timeout for monitored process [2023-12-03 02:42:09,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:42:09,017 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:42:09,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:42:09,735 INFO L262 TraceCheckSpWp]: Trace formula consists of 3107 conjuncts, 81 conjunts are in the unsatisfiable core [2023-12-03 02:42:09,741 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:42:10,321 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:42:10,340 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (133)] Ended with exit code 0 [2023-12-03 02:42:10,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:42:10,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 24 states and 70 transitions. [2023-12-03 02:42:10,386 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 70 transitions. [2023-12-03 02:42:10,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:42:10,386 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:42:10,386 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:42:10,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:42:10,387 INFO L229 MonitoredProcess]: Starting monitored process 134 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:42:10,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (134)] Waiting until timeout for monitored process [2023-12-03 02:42:12,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:42:12,195 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:42:12,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:42:12,990 INFO L262 TraceCheckSpWp]: Trace formula consists of 3107 conjuncts, 81 conjunts are in the unsatisfiable core [2023-12-03 02:42:12,996 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:42:13,574 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:42:13,593 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (134)] Ended with exit code 0 [2023-12-03 02:42:13,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:42:13,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 24 states and 70 transitions. [2023-12-03 02:42:13,639 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 70 transitions. [2023-12-03 02:42:13,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:42:13,639 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:42:13,639 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:42:13,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:42:13,640 INFO L229 MonitoredProcess]: Starting monitored process 135 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:42:13,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (135)] Waiting until timeout for monitored process [2023-12-03 02:42:15,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:42:15,506 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:42:16,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:42:16,218 INFO L262 TraceCheckSpWp]: Trace formula consists of 3107 conjuncts, 81 conjunts are in the unsatisfiable core [2023-12-03 02:42:16,225 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:42:16,830 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:42:16,850 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (135)] Ended with exit code 0 [2023-12-03 02:42:16,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:42:16,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 24 states and 70 transitions. [2023-12-03 02:42:16,896 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 70 transitions. [2023-12-03 02:42:16,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:42:16,896 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:42:16,896 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:42:16,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:42:16,897 INFO L229 MonitoredProcess]: Starting monitored process 136 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:42:16,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (136)] Waiting until timeout for monitored process [2023-12-03 02:42:18,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:42:18,660 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:42:19,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:42:19,465 INFO L262 TraceCheckSpWp]: Trace formula consists of 3107 conjuncts, 81 conjunts are in the unsatisfiable core [2023-12-03 02:42:19,471 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:42:20,042 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:42:20,062 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (136)] Ended with exit code 0 [2023-12-03 02:42:20,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:42:20,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 24 states and 70 transitions. [2023-12-03 02:42:20,111 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 70 transitions. [2023-12-03 02:42:20,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:42:20,111 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:42:20,111 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:42:20,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:42:20,112 INFO L229 MonitoredProcess]: Starting monitored process 137 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:42:20,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f5c268-87c3-4592-b25e-bfc58d127529/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (137)] Waiting until timeout for monitored process [2023-12-03 02:42:21,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:42:21,925 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported