./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.7.prop1-func-interl.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/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_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.7.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/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_dd636aff-8f85-4bcb-8c42-052a732d53f1/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 eaa03316816e0896c33f63e350536da2da8d625d1fb4f24d136de577404aba1b --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 03:51:33,597 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 03:51:33,660 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-12-03 03:51:33,664 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 03:51:33,664 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 03:51:33,686 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 03:51:33,687 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 03:51:33,688 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 03:51:33,688 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 03:51:33,689 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 03:51:33,689 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 03:51:33,690 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 03:51:33,690 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 03:51:33,691 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 03:51:33,691 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 03:51:33,692 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 03:51:33,692 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 03:51:33,693 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 03:51:33,693 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 03:51:33,694 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 03:51:33,694 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 03:51:33,695 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 03:51:33,696 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 03:51:33,696 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:51:33,697 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 03:51:33,697 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 03:51:33,698 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 03:51:33,698 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 03:51:33,698 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 03:51:33,699 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 03:51:33,699 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_dd636aff-8f85-4bcb-8c42-052a732d53f1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eaa03316816e0896c33f63e350536da2da8d625d1fb4f24d136de577404aba1b [2023-12-03 03:51:33,891 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 03:51:33,910 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 03:51:33,913 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 03:51:33,914 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 03:51:33,915 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 03:51:33,916 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.7.prop1-func-interl.c [2023-12-03 03:51:36,605 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 03:51:36,906 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 03:51:36,907 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.7.prop1-func-interl.c [2023-12-03 03:51:36,929 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/data/bc5f31ec7/cc19becc01e54665a17401424edd9298/FLAG2389b9558 [2023-12-03 03:51:36,943 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/data/bc5f31ec7/cc19becc01e54665a17401424edd9298 [2023-12-03 03:51:36,946 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 03:51:36,947 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 03:51:36,948 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 03:51:36,949 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 03:51:36,953 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 03:51:36,954 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:51:36" (1/1) ... [2023-12-03 03:51:36,955 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a32cba8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:51:36, skipping insertion in model container [2023-12-03 03:51:36,955 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:51:36" (1/1) ... [2023-12-03 03:51:37,039 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:51:37,227 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_dd636aff-8f85-4bcb-8c42-052a732d53f1/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.7.prop1-func-interl.c[1174,1187] [2023-12-03 03:51:37,634 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:51:37,642 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 03:51:37,651 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_dd636aff-8f85-4bcb-8c42-052a732d53f1/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.7.prop1-func-interl.c[1174,1187] [2023-12-03 03:51:37,827 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:51:37,837 INFO L206 MainTranslator]: Completed translation [2023-12-03 03:51:37,838 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:51:37 WrapperNode [2023-12-03 03:51:37,838 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 03:51:37,838 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 03:51:37,839 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 03:51:37,839 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 03:51:37,844 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:51:37" (1/1) ... [2023-12-03 03:51:37,918 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:51:37" (1/1) ... [2023-12-03 03:51:38,925 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 11315 [2023-12-03 03:51:38,925 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 03:51:38,926 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 03:51:38,926 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 03:51:38,926 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 03:51:38,936 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:51:37" (1/1) ... [2023-12-03 03:51:38,936 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:51:37" (1/1) ... [2023-12-03 03:51:39,125 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:51:37" (1/1) ... [2023-12-03 03:51:39,126 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:51:37" (1/1) ... [2023-12-03 03:51:39,379 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:51:37" (1/1) ... [2023-12-03 03:51:39,437 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:51:37" (1/1) ... [2023-12-03 03:51:39,554 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:51:37" (1/1) ... [2023-12-03 03:51:39,591 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:51:37" (1/1) ... [2023-12-03 03:51:39,754 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 03:51:39,755 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 03:51:39,755 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 03:51:39,755 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 03:51:39,756 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:51:37" (1/1) ... [2023-12-03 03:51:39,762 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:51:39,773 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 03:51:39,785 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 03:51:39,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 03:51:39,829 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 03:51:39,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 03:51:39,829 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 03:51:39,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 03:51:40,371 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 03:51:40,373 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 03:51:46,982 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 03:52:00,316 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 03:52:00,316 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 03:52:00,317 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:52:00 BoogieIcfgContainer [2023-12-03 03:52:00,318 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 03:52:00,318 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 03:52:00,318 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 03:52:00,326 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 03:52:00,326 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:52:00" (1/1) ... [2023-12-03 03:52:00,332 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 03:52:00,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:52:00,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-03 03:52:00,374 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-03 03:52:00,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 03:52:00,376 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:52:00,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:52:01,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:52:01,681 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 03:52:02,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:52:02,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:52:02,938 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 03:52:03,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:52:04,259 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 03:52:04,312 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-12-03 03:52:04,328 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 03:52:04 ImpRootNode [2023-12-03 03:52:04,329 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 03:52:04,330 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 03:52:04,330 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 03:52:04,330 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 03:52:04,331 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:52:00" (3/4) ... [2023-12-03 03:52:04,333 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 03:52:04,334 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 03:52:04,336 INFO L158 Benchmark]: Toolchain (without parser) took 27388.02ms. Allocated memory was 146.8MB in the beginning and 5.0GB in the end (delta: 4.9GB). Free memory was 97.3MB in the beginning and 4.2GB in the end (delta: -4.1GB). Peak memory consumption was 767.0MB. Max. memory is 16.1GB. [2023-12-03 03:52:04,336 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 104.9MB. Free memory is still 58.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:52:04,337 INFO L158 Benchmark]: CACSL2BoogieTranslator took 889.50ms. Allocated memory was 146.8MB in the beginning and 178.3MB in the end (delta: 31.5MB). Free memory was 97.3MB in the beginning and 102.0MB in the end (delta: -4.7MB). Peak memory consumption was 80.2MB. Max. memory is 16.1GB. [2023-12-03 03:52:04,338 INFO L158 Benchmark]: Boogie Procedure Inliner took 1086.78ms. Allocated memory was 178.3MB in the beginning and 570.4MB in the end (delta: 392.2MB). Free memory was 101.2MB in the beginning and 354.7MB in the end (delta: -253.5MB). Peak memory consumption was 192.9MB. Max. memory is 16.1GB. [2023-12-03 03:52:04,339 INFO L158 Benchmark]: Boogie Preprocessor took 828.16ms. Allocated memory is still 570.4MB. Free memory was 354.7MB in the beginning and 265.6MB in the end (delta: 89.1MB). Peak memory consumption was 86.0MB. Max. memory is 16.1GB. [2023-12-03 03:52:04,339 INFO L158 Benchmark]: RCFGBuilder took 20562.90ms. Allocated memory was 570.4MB in the beginning and 2.5GB in the end (delta: 1.9GB). Free memory was 264.6MB in the beginning and 1.4GB in the end (delta: -1.1GB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. [2023-12-03 03:52:04,340 INFO L158 Benchmark]: CodeCheck took 4010.58ms. Allocated memory was 2.5GB in the beginning and 5.0GB in the end (delta: 2.5GB). Free memory was 1.4GB in the beginning and 4.2GB in the end (delta: -2.8GB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:52:04,341 INFO L158 Benchmark]: Witness Printer took 4.88ms. Allocated memory is still 5.0GB. Free memory is still 4.2GB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:52:04,345 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: 3.9s, 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: 0.2s SsaConstructionTime, 0.5s 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 bitwiseAnd at line 238. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L29] const SORT_2 mask_SORT_2 = (SORT_2)-1 >> (sizeof(SORT_2) * 8 - 8); [L30] const SORT_2 msb_SORT_2 = (SORT_2)1 << (8 - 1); [L32] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 24); [L33] const SORT_3 msb_SORT_3 = (SORT_3)1 << (24 - 1); [L35] const SORT_4 mask_SORT_4 = (SORT_4)-1 >> (sizeof(SORT_4) * 8 - 32); [L36] const SORT_4 msb_SORT_4 = (SORT_4)1 << (32 - 1); [L38] const SORT_2 var_5 = 0; [L39] const SORT_1 var_24 = 0; [L40] const SORT_4 var_93 = 1; [L41] const SORT_4 var_94 = 0; [L42] const SORT_2 var_114 = 0; [L43] const SORT_2 var_116 = 8; [L44] const SORT_2 var_119 = 7; [L45] const SORT_2 var_122 = 6; [L46] const SORT_2 var_125 = 5; [L47] const SORT_2 var_128 = 4; [L48] const SORT_2 var_131 = 3; [L49] const SORT_2 var_134 = 2; [L50] const SORT_2 var_137 = 1; [L51] const SORT_2 var_155 = 255; [L52] const SORT_3 var_159 = 0; [L53] const SORT_4 var_163 = 255; [L55] SORT_1 input_113; [L56] SORT_1 input_115; [L57] SORT_1 input_117; [L58] SORT_1 input_118; [L59] SORT_1 input_120; [L60] SORT_1 input_121; [L61] SORT_1 input_123; [L62] SORT_1 input_124; [L63] SORT_1 input_126; [L64] SORT_1 input_127; [L65] SORT_1 input_129; [L66] SORT_1 input_130; [L67] SORT_1 input_132; [L68] SORT_1 input_133; [L69] SORT_1 input_135; [L70] SORT_1 input_136; [L71] SORT_1 input_156; [L72] SORT_1 input_157; [L73] SORT_1 input_158; [L74] SORT_1 input_175; [L75] SORT_1 input_176; [L76] SORT_1 input_191; [L77] SORT_1 input_192; [L78] SORT_1 input_207; [L79] SORT_1 input_208; [L80] SORT_1 input_223; [L81] SORT_1 input_224; [L82] SORT_1 input_239; [L83] SORT_1 input_240; [L84] SORT_1 input_255; [L85] SORT_1 input_256; [L86] SORT_1 input_271; [L87] SORT_1 input_272; [L88] SORT_1 input_289; [L89] SORT_1 input_297; [L90] SORT_1 input_305; [L91] SORT_1 input_313; [L92] SORT_1 input_321; [L93] SORT_1 input_329; [L94] SORT_1 input_337; [L95] SORT_1 input_345; [L96] SORT_1 input_353; [L97] SORT_1 input_361; [L98] SORT_1 input_369; [L99] SORT_1 input_377; [L100] SORT_1 input_385; [L101] SORT_1 input_393; [L102] SORT_1 input_401; [L103] SORT_1 input_409; [L105] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L105] SORT_2 state_6 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L106] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L106] SORT_2 state_8 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L107] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L107] SORT_2 state_10 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L108] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L108] SORT_2 state_12 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L109] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L109] SORT_2 state_14 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L110] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L110] SORT_2 state_16 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L111] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L111] SORT_2 state_18 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L112] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L112] SORT_2 state_20 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L113] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L113] SORT_2 state_22 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L114] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L114] SORT_1 state_25 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L115] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L115] SORT_1 state_27 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L116] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L116] SORT_1 state_29 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L117] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L117] SORT_1 state_31 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L118] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L118] SORT_1 state_33 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L119] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L119] SORT_1 state_35 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L120] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L120] SORT_1 state_37 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L121] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L121] SORT_1 state_39 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L122] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L122] SORT_1 state_41 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L123] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L123] SORT_1 state_43 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L124] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L124] SORT_1 state_45 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L125] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L125] SORT_1 state_47 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L126] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L126] SORT_1 state_49 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L127] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L127] SORT_1 state_51 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L128] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L128] SORT_1 state_53 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L129] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L129] SORT_1 state_55 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L130] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L130] SORT_1 state_57 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L131] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L131] SORT_1 state_59 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L132] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L132] SORT_1 state_61 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L133] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L133] SORT_1 state_63 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L134] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L134] SORT_1 state_65 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L135] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L135] SORT_1 state_67 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L136] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L136] SORT_1 state_69 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L137] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L137] SORT_1 state_71 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L138] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L138] SORT_1 state_73 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L139] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L139] SORT_1 state_75 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L140] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L140] SORT_1 state_77 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L141] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L141] SORT_1 state_79 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L142] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L142] SORT_1 state_81 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L143] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L143] SORT_1 state_83 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L144] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L144] SORT_1 state_85 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L145] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L145] SORT_1 state_87 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L146] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L146] SORT_1 state_89 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L147] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L147] SORT_1 state_91 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L149] SORT_2 init_7_arg_1 = var_5; [L150] state_6 = init_7_arg_1 [L151] SORT_2 init_9_arg_1 = var_5; [L152] state_8 = init_9_arg_1 [L153] SORT_2 init_11_arg_1 = var_5; [L154] state_10 = init_11_arg_1 [L155] SORT_2 init_13_arg_1 = var_5; [L156] state_12 = init_13_arg_1 [L157] SORT_2 init_15_arg_1 = var_5; [L158] state_14 = init_15_arg_1 [L159] SORT_2 init_17_arg_1 = var_5; [L160] state_16 = init_17_arg_1 [L161] SORT_2 init_19_arg_1 = var_5; [L162] state_18 = init_19_arg_1 [L163] SORT_2 init_21_arg_1 = var_5; [L164] state_20 = init_21_arg_1 [L165] SORT_2 init_23_arg_1 = var_5; [L166] state_22 = init_23_arg_1 [L167] SORT_1 init_26_arg_1 = var_24; [L168] state_25 = init_26_arg_1 [L169] SORT_1 init_28_arg_1 = var_24; [L170] state_27 = init_28_arg_1 [L171] SORT_1 init_30_arg_1 = var_24; [L172] state_29 = init_30_arg_1 [L173] SORT_1 init_32_arg_1 = var_24; [L174] state_31 = init_32_arg_1 [L175] SORT_1 init_34_arg_1 = var_24; [L176] state_33 = init_34_arg_1 [L177] SORT_1 init_36_arg_1 = var_24; [L178] state_35 = init_36_arg_1 [L179] SORT_1 init_38_arg_1 = var_24; [L180] state_37 = init_38_arg_1 [L181] SORT_1 init_40_arg_1 = var_24; [L182] state_39 = init_40_arg_1 [L183] SORT_1 init_42_arg_1 = var_24; [L184] state_41 = init_42_arg_1 [L185] SORT_1 init_44_arg_1 = var_24; [L186] state_43 = init_44_arg_1 [L187] SORT_1 init_46_arg_1 = var_24; [L188] state_45 = init_46_arg_1 [L189] SORT_1 init_48_arg_1 = var_24; [L190] state_47 = init_48_arg_1 [L191] SORT_1 init_50_arg_1 = var_24; [L192] state_49 = init_50_arg_1 [L193] SORT_1 init_52_arg_1 = var_24; [L194] state_51 = init_52_arg_1 [L195] SORT_1 init_54_arg_1 = var_24; [L196] state_53 = init_54_arg_1 [L197] SORT_1 init_56_arg_1 = var_24; [L198] state_55 = init_56_arg_1 [L199] SORT_1 init_58_arg_1 = var_24; [L200] state_57 = init_58_arg_1 [L201] SORT_1 init_60_arg_1 = var_24; [L202] state_59 = init_60_arg_1 [L203] SORT_1 init_62_arg_1 = var_24; [L204] state_61 = init_62_arg_1 [L205] SORT_1 init_64_arg_1 = var_24; [L206] state_63 = init_64_arg_1 [L207] SORT_1 init_66_arg_1 = var_24; [L208] state_65 = init_66_arg_1 [L209] SORT_1 init_68_arg_1 = var_24; [L210] state_67 = init_68_arg_1 [L211] SORT_1 init_70_arg_1 = var_24; [L212] state_69 = init_70_arg_1 [L213] SORT_1 init_72_arg_1 = var_24; [L214] state_71 = init_72_arg_1 [L215] SORT_1 init_74_arg_1 = var_24; [L216] state_73 = init_74_arg_1 [L217] SORT_1 init_76_arg_1 = var_24; [L218] state_75 = init_76_arg_1 [L219] SORT_1 init_78_arg_1 = var_24; [L220] state_77 = init_78_arg_1 [L221] SORT_1 init_80_arg_1 = var_24; [L222] state_79 = init_80_arg_1 [L223] SORT_1 init_82_arg_1 = var_24; [L224] state_81 = init_82_arg_1 [L225] SORT_1 init_84_arg_1 = var_24; [L226] state_83 = init_84_arg_1 [L227] SORT_1 init_86_arg_1 = var_24; [L228] state_85 = init_86_arg_1 [L229] SORT_1 init_88_arg_1 = var_24; [L230] state_87 = init_88_arg_1 [L231] SORT_1 init_90_arg_1 = var_24; [L232] state_89 = init_90_arg_1 [L233] SORT_1 init_92_arg_1 = var_24; [L234] state_91 = init_92_arg_1 VAL [init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_21_arg_1=0, init_23_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_54_arg_1=0, init_56_arg_1=0, init_58_arg_1=0, init_60_arg_1=0, init_62_arg_1=0, init_64_arg_1=0, init_66_arg_1=0, init_68_arg_1=0, init_70_arg_1=0, init_72_arg_1=0, init_74_arg_1=0, init_76_arg_1=0, init_78_arg_1=0, init_7_arg_1=0, init_80_arg_1=0, init_82_arg_1=0, init_84_arg_1=0, init_86_arg_1=0, init_88_arg_1=0, init_90_arg_1=0, init_92_arg_1=0, init_9_arg_1=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, state_87=0, state_89=0, state_8=0, state_91=0, var_114=0, var_116=8, var_119=7, var_122=6, var_125=5, var_128=4, var_131=3, var_134=2, var_137=1, var_155=255, var_159=0, var_163=255, var_24=0, var_5=0, var_93=1, var_94=0] [L237] input_113 = __VERIFIER_nondet_uchar() [L238] EXPR input_113 & mask_SORT_1 [L238] input_113 = input_113 & mask_SORT_1 [L239] input_115 = __VERIFIER_nondet_uchar() [L240] EXPR input_115 & mask_SORT_1 [L240] input_115 = input_115 & mask_SORT_1 [L241] input_117 = __VERIFIER_nondet_uchar() [L242] EXPR input_117 & mask_SORT_1 [L242] input_117 = input_117 & mask_SORT_1 [L243] input_118 = __VERIFIER_nondet_uchar() [L244] EXPR input_118 & mask_SORT_1 [L244] input_118 = input_118 & mask_SORT_1 [L245] input_120 = __VERIFIER_nondet_uchar() [L246] EXPR input_120 & mask_SORT_1 [L246] input_120 = input_120 & mask_SORT_1 [L247] input_121 = __VERIFIER_nondet_uchar() [L248] EXPR input_121 & mask_SORT_1 [L248] input_121 = input_121 & mask_SORT_1 [L249] input_123 = __VERIFIER_nondet_uchar() [L250] EXPR input_123 & mask_SORT_1 [L250] input_123 = input_123 & mask_SORT_1 [L251] input_124 = __VERIFIER_nondet_uchar() [L252] EXPR input_124 & mask_SORT_1 [L252] input_124 = input_124 & mask_SORT_1 [L253] input_126 = __VERIFIER_nondet_uchar() [L254] EXPR input_126 & mask_SORT_1 [L254] input_126 = input_126 & mask_SORT_1 [L255] input_127 = __VERIFIER_nondet_uchar() [L256] EXPR input_127 & mask_SORT_1 [L256] input_127 = input_127 & mask_SORT_1 [L257] input_129 = __VERIFIER_nondet_uchar() [L258] EXPR input_129 & mask_SORT_1 [L258] input_129 = input_129 & mask_SORT_1 [L259] input_130 = __VERIFIER_nondet_uchar() [L260] EXPR input_130 & mask_SORT_1 [L260] input_130 = input_130 & mask_SORT_1 [L261] input_132 = __VERIFIER_nondet_uchar() [L262] EXPR input_132 & mask_SORT_1 [L262] input_132 = input_132 & mask_SORT_1 [L263] input_133 = __VERIFIER_nondet_uchar() [L264] EXPR input_133 & mask_SORT_1 [L264] input_133 = input_133 & mask_SORT_1 [L265] input_135 = __VERIFIER_nondet_uchar() [L266] EXPR input_135 & mask_SORT_1 [L266] input_135 = input_135 & mask_SORT_1 [L267] input_136 = __VERIFIER_nondet_uchar() [L268] EXPR input_136 & mask_SORT_1 [L268] input_136 = input_136 & mask_SORT_1 [L269] input_156 = __VERIFIER_nondet_uchar() [L270] EXPR input_156 & mask_SORT_1 [L270] input_156 = input_156 & mask_SORT_1 [L271] input_157 = __VERIFIER_nondet_uchar() [L272] EXPR input_157 & mask_SORT_1 [L272] input_157 = input_157 & mask_SORT_1 [L273] input_158 = __VERIFIER_nondet_uchar() [L274] EXPR input_158 & mask_SORT_1 [L274] input_158 = input_158 & mask_SORT_1 [L275] input_175 = __VERIFIER_nondet_uchar() [L276] EXPR input_175 & mask_SORT_1 [L276] input_175 = input_175 & mask_SORT_1 [L277] input_176 = __VERIFIER_nondet_uchar() [L278] EXPR input_176 & mask_SORT_1 [L278] input_176 = input_176 & mask_SORT_1 [L279] input_191 = __VERIFIER_nondet_uchar() [L280] EXPR input_191 & mask_SORT_1 [L280] input_191 = input_191 & mask_SORT_1 [L281] input_192 = __VERIFIER_nondet_uchar() [L282] EXPR input_192 & mask_SORT_1 [L282] input_192 = input_192 & mask_SORT_1 [L283] input_207 = __VERIFIER_nondet_uchar() [L284] EXPR input_207 & mask_SORT_1 [L284] input_207 = input_207 & mask_SORT_1 [L285] input_208 = __VERIFIER_nondet_uchar() [L286] EXPR input_208 & mask_SORT_1 [L286] input_208 = input_208 & mask_SORT_1 [L287] input_223 = __VERIFIER_nondet_uchar() [L288] EXPR input_223 & mask_SORT_1 [L288] input_223 = input_223 & mask_SORT_1 [L289] input_224 = __VERIFIER_nondet_uchar() [L290] EXPR input_224 & mask_SORT_1 [L290] input_224 = input_224 & mask_SORT_1 [L291] input_239 = __VERIFIER_nondet_uchar() [L292] EXPR input_239 & mask_SORT_1 [L292] input_239 = input_239 & mask_SORT_1 [L293] input_240 = __VERIFIER_nondet_uchar() [L294] EXPR input_240 & mask_SORT_1 [L294] input_240 = input_240 & mask_SORT_1 [L295] input_255 = __VERIFIER_nondet_uchar() [L296] EXPR input_255 & mask_SORT_1 [L296] input_255 = input_255 & mask_SORT_1 [L297] input_256 = __VERIFIER_nondet_uchar() [L298] EXPR input_256 & mask_SORT_1 [L298] input_256 = input_256 & mask_SORT_1 [L299] input_271 = __VERIFIER_nondet_uchar() [L300] EXPR input_271 & mask_SORT_1 [L300] input_271 = input_271 & mask_SORT_1 [L301] input_272 = __VERIFIER_nondet_uchar() [L302] EXPR input_272 & mask_SORT_1 [L302] input_272 = input_272 & mask_SORT_1 [L303] input_289 = __VERIFIER_nondet_uchar() [L304] input_297 = __VERIFIER_nondet_uchar() [L305] input_305 = __VERIFIER_nondet_uchar() [L306] input_313 = __VERIFIER_nondet_uchar() [L307] input_321 = __VERIFIER_nondet_uchar() [L308] input_329 = __VERIFIER_nondet_uchar() [L309] input_337 = __VERIFIER_nondet_uchar() [L310] input_345 = __VERIFIER_nondet_uchar() [L311] input_353 = __VERIFIER_nondet_uchar() [L312] input_361 = __VERIFIER_nondet_uchar() [L313] input_369 = __VERIFIER_nondet_uchar() [L314] input_377 = __VERIFIER_nondet_uchar() [L315] input_385 = __VERIFIER_nondet_uchar() [L316] input_393 = __VERIFIER_nondet_uchar() [L317] input_401 = __VERIFIER_nondet_uchar() [L318] input_409 = __VERIFIER_nondet_uchar() [L321] SORT_1 var_95_arg_0 = state_33; [L322] SORT_4 var_95_arg_1 = var_93; [L323] SORT_4 var_95_arg_2 = var_94; [L324] SORT_4 var_95 = var_95_arg_0 ? var_95_arg_1 : var_95_arg_2; [L325] SORT_1 var_96_arg_0 = state_41; [L326] SORT_4 var_96_arg_1 = var_93; [L327] SORT_4 var_96_arg_2 = var_94; [L328] SORT_4 var_96 = var_96_arg_0 ? var_96_arg_1 : var_96_arg_2; [L329] SORT_4 var_97_arg_0 = var_95; [L330] SORT_4 var_97_arg_1 = var_96; [L331] SORT_4 var_97 = var_97_arg_0 + var_97_arg_1; [L332] SORT_1 var_98_arg_0 = state_49; [L333] SORT_4 var_98_arg_1 = var_93; [L334] SORT_4 var_98_arg_2 = var_94; [L335] SORT_4 var_98 = var_98_arg_0 ? var_98_arg_1 : var_98_arg_2; [L336] SORT_4 var_99_arg_0 = var_97; [L337] SORT_4 var_99_arg_1 = var_98; [L338] SORT_4 var_99 = var_99_arg_0 + var_99_arg_1; [L339] SORT_1 var_100_arg_0 = state_57; [L340] SORT_4 var_100_arg_1 = var_93; [L341] SORT_4 var_100_arg_2 = var_94; [L342] SORT_4 var_100 = var_100_arg_0 ? var_100_arg_1 : var_100_arg_2; [L343] SORT_4 var_101_arg_0 = var_99; [L344] SORT_4 var_101_arg_1 = var_100; [L345] SORT_4 var_101 = var_101_arg_0 + var_101_arg_1; [L346] SORT_1 var_102_arg_0 = state_65; [L347] SORT_4 var_102_arg_1 = var_93; [L348] SORT_4 var_102_arg_2 = var_94; [L349] SORT_4 var_102 = var_102_arg_0 ? var_102_arg_1 : var_102_arg_2; [L350] SORT_4 var_103_arg_0 = var_101; [L351] SORT_4 var_103_arg_1 = var_102; [L352] SORT_4 var_103 = var_103_arg_0 + var_103_arg_1; [L353] SORT_1 var_104_arg_0 = state_73; [L354] SORT_4 var_104_arg_1 = var_93; [L355] SORT_4 var_104_arg_2 = var_94; [L356] SORT_4 var_104 = var_104_arg_0 ? var_104_arg_1 : var_104_arg_2; [L357] SORT_4 var_105_arg_0 = var_103; [L358] SORT_4 var_105_arg_1 = var_104; [L359] SORT_4 var_105 = var_105_arg_0 + var_105_arg_1; [L360] SORT_1 var_106_arg_0 = state_81; [L361] SORT_4 var_106_arg_1 = var_93; [L362] SORT_4 var_106_arg_2 = var_94; [L363] SORT_4 var_106 = var_106_arg_0 ? var_106_arg_1 : var_106_arg_2; [L364] SORT_4 var_107_arg_0 = var_105; [L365] SORT_4 var_107_arg_1 = var_106; [L366] SORT_4 var_107 = var_107_arg_0 + var_107_arg_1; [L367] SORT_1 var_108_arg_0 = state_89; [L368] SORT_4 var_108_arg_1 = var_93; [L369] SORT_4 var_108_arg_2 = var_94; [L370] SORT_4 var_108 = var_108_arg_0 ? var_108_arg_1 : var_108_arg_2; [L371] SORT_4 var_109_arg_0 = var_107; [L372] SORT_4 var_109_arg_1 = var_108; [L373] SORT_4 var_109 = var_109_arg_0 + var_109_arg_1; [L374] EXPR var_109 & mask_SORT_4 [L374] var_109 = var_109 & mask_SORT_4 [L375] SORT_4 var_110_arg_0 = var_109; [L376] SORT_4 var_110_arg_1 = var_93; [L377] SORT_1 var_110 = var_110_arg_0 <= var_110_arg_1; [L378] SORT_1 var_111_arg_0 = ~state_91; [L379] EXPR var_111_arg_0 & mask_SORT_1 [L379] var_111_arg_0 = var_111_arg_0 & mask_SORT_1 [L380] SORT_1 var_111_arg_1 = ~var_110; [L381] EXPR var_111_arg_1 & mask_SORT_1 [L381] var_111_arg_1 = var_111_arg_1 & mask_SORT_1 [L382] EXPR var_111_arg_0 & var_111_arg_1 [L382] SORT_1 var_111 = var_111_arg_0 & var_111_arg_1; [L383] EXPR var_111 & mask_SORT_1 [L383] var_111 = var_111 & mask_SORT_1 [L384] SORT_1 bad_112_arg_0 = var_111; [L385] CALL __VERIFIER_assert(!(bad_112_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 0.15ms. Allocated memory is still 104.9MB. Free memory is still 58.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 889.50ms. Allocated memory was 146.8MB in the beginning and 178.3MB in the end (delta: 31.5MB). Free memory was 97.3MB in the beginning and 102.0MB in the end (delta: -4.7MB). Peak memory consumption was 80.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1086.78ms. Allocated memory was 178.3MB in the beginning and 570.4MB in the end (delta: 392.2MB). Free memory was 101.2MB in the beginning and 354.7MB in the end (delta: -253.5MB). Peak memory consumption was 192.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 828.16ms. Allocated memory is still 570.4MB. Free memory was 354.7MB in the beginning and 265.6MB in the end (delta: 89.1MB). Peak memory consumption was 86.0MB. Max. memory is 16.1GB. * RCFGBuilder took 20562.90ms. Allocated memory was 570.4MB in the beginning and 2.5GB in the end (delta: 1.9GB). Free memory was 264.6MB in the beginning and 1.4GB in the end (delta: -1.1GB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. * CodeCheck took 4010.58ms. Allocated memory was 2.5GB in the beginning and 5.0GB in the end (delta: 2.5GB). Free memory was 1.4GB in the beginning and 4.2GB in the end (delta: -2.8GB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.88ms. Allocated memory is still 5.0GB. Free memory is still 4.2GB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-03 03:52:04,380 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/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_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.7.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/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_dd636aff-8f85-4bcb-8c42-052a732d53f1/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 eaa03316816e0896c33f63e350536da2da8d625d1fb4f24d136de577404aba1b --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 03:52:06,335 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 03:52:06,409 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-12-03 03:52:06,440 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 03:52:06,440 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 03:52:06,441 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 03:52:06,442 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 03:52:06,442 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 03:52:06,443 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 03:52:06,444 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 03:52:06,444 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 03:52:06,445 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 03:52:06,445 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 03:52:06,446 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 03:52:06,446 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 03:52:06,447 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 03:52:06,447 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 03:52:06,448 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 03:52:06,448 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 03:52:06,449 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 03:52:06,450 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 03:52:06,452 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 03:52:06,452 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 03:52:06,453 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 03:52:06,453 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 03:52:06,454 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:52:06,454 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 03:52:06,455 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 03:52:06,455 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 03:52:06,456 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 03:52:06,456 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 03:52:06,456 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 03:52:06,457 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 03:52:06,457 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 03:52:06,457 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_dd636aff-8f85-4bcb-8c42-052a732d53f1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eaa03316816e0896c33f63e350536da2da8d625d1fb4f24d136de577404aba1b [2023-12-03 03:52:06,757 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 03:52:06,776 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 03:52:06,779 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 03:52:06,780 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 03:52:06,780 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 03:52:06,782 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.7.prop1-func-interl.c [2023-12-03 03:52:09,581 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 03:52:09,924 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 03:52:09,924 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.7.prop1-func-interl.c [2023-12-03 03:52:09,943 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/data/5955db4fb/d8b6ecbb4aee465d973b03c159686700/FLAGf341aa3d2 [2023-12-03 03:52:09,956 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/data/5955db4fb/d8b6ecbb4aee465d973b03c159686700 [2023-12-03 03:52:09,959 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 03:52:09,960 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 03:52:09,962 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 03:52:09,962 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 03:52:09,965 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 03:52:09,966 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:52:09" (1/1) ... [2023-12-03 03:52:09,968 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52c1c866 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:52:09, skipping insertion in model container [2023-12-03 03:52:09,968 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:52:09" (1/1) ... [2023-12-03 03:52:10,035 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:52:10,205 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_dd636aff-8f85-4bcb-8c42-052a732d53f1/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.7.prop1-func-interl.c[1174,1187] [2023-12-03 03:52:10,542 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:52:10,555 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 03:52:10,568 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_dd636aff-8f85-4bcb-8c42-052a732d53f1/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.7.prop1-func-interl.c[1174,1187] [2023-12-03 03:52:10,751 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:52:10,766 INFO L206 MainTranslator]: Completed translation [2023-12-03 03:52:10,767 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:52:10 WrapperNode [2023-12-03 03:52:10,767 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 03:52:10,768 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 03:52:10,768 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 03:52:10,768 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 03:52:10,775 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:52:10" (1/1) ... [2023-12-03 03:52:10,822 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:52:10" (1/1) ... [2023-12-03 03:52:10,951 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2906 [2023-12-03 03:52:10,952 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 03:52:10,953 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 03:52:10,953 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 03:52:10,953 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 03:52:10,962 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:52:10" (1/1) ... [2023-12-03 03:52:10,962 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:52:10" (1/1) ... [2023-12-03 03:52:10,979 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:52:10" (1/1) ... [2023-12-03 03:52:10,979 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:52:10" (1/1) ... [2023-12-03 03:52:11,061 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:52:10" (1/1) ... [2023-12-03 03:52:11,070 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:52:10" (1/1) ... [2023-12-03 03:52:11,084 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:52:10" (1/1) ... [2023-12-03 03:52:11,102 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:52:10" (1/1) ... [2023-12-03 03:52:11,126 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 03:52:11,127 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 03:52:11,127 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 03:52:11,127 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 03:52:11,128 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:52:10" (1/1) ... [2023-12-03 03:52:11,133 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:52:11,144 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 03:52:11,156 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 03:52:11,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 03:52:11,196 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 03:52:11,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 03:52:11,196 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 03:52:11,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 03:52:11,652 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 03:52:11,655 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 03:52:15,308 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 03:52:15,480 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 03:52:15,480 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 03:52:15,482 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:52:15 BoogieIcfgContainer [2023-12-03 03:52:15,482 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 03:52:15,483 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 03:52:15,483 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 03:52:15,493 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 03:52:15,493 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:52:15" (1/1) ... [2023-12-03 03:52:15,502 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 03:52:15,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:52:15,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-03 03:52:15,547 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-03 03:52:15,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 03:52:15,549 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:52:15,549 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:52:15,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:52:15,551 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:52:15,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 03:52:16,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:52:16,394 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:52:16,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:52:16,628 INFO L262 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 74 conjunts are in the unsatisfiable core [2023-12-03 03:52:16,647 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:52:18,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:52:18,101 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 03:52:18,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:52:18,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2023-12-03 03:52:18,984 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2023-12-03 03:52:18,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 03:52:18,984 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:52:18,985 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:52:18,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:52:18,986 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:52:18,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 03:52:20,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:52:20,765 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:52:21,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:52:21,520 INFO L262 TraceCheckSpWp]: Trace formula consists of 2483 conjuncts, 299 conjunts are in the unsatisfiable core [2023-12-03 03:52:21,551 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:52:31,858 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 03:52:31,884 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 03:52:55,882 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.21s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 03:52:56,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:52:56,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 03:52:56,655 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 03:52:56,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 03:52:56,657 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:52:56,657 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:52:56,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:52:56,658 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:52:56,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 03:52:58,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:52:58,167 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:52:58,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:52:58,927 INFO L262 TraceCheckSpWp]: Trace formula consists of 2483 conjuncts, 299 conjunts are in the unsatisfiable core [2023-12-03 03:52:58,947 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:53:07,149 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 03:53:07,169 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-03 03:53:07,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:53:07,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 03:53:07,246 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 03:53:07,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 03:53:07,247 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:53:07,247 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:53:07,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:53:07,248 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:53:07,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-03 03:53:08,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:53:08,779 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:53:09,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:53:09,483 INFO L262 TraceCheckSpWp]: Trace formula consists of 2483 conjuncts, 299 conjunts are in the unsatisfiable core [2023-12-03 03:53:09,499 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:53:17,433 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 03:53:17,456 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-03 03:53:17,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:53:17,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 03:53:17,535 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 03:53:17,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 03:53:17,536 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:53:17,536 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:53:17,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:53:17,537 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:53:17,538 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-03 03:53:19,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:53:19,182 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:53:19,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:53:19,861 INFO L262 TraceCheckSpWp]: Trace formula consists of 2483 conjuncts, 299 conjunts are in the unsatisfiable core [2023-12-03 03:53:19,880 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:53:27,559 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 03:53:27,579 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-03 03:53:27,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:53:27,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 03:53:27,655 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 03:53:27,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 03:53:27,655 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:53:27,655 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:53:27,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:53:27,656 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:53:27,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-03 03:53:29,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:53:29,252 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:53:29,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:53:29,928 INFO L262 TraceCheckSpWp]: Trace formula consists of 2483 conjuncts, 299 conjunts are in the unsatisfiable core [2023-12-03 03:53:29,949 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:53:37,286 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 03:53:37,306 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-03 03:53:37,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:53:37,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 03:53:37,381 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 03:53:37,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 03:53:37,381 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:53:37,381 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:53:37,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:53:37,382 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:53:37,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-03 03:53:39,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:53:39,002 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:53:39,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:53:39,747 INFO L262 TraceCheckSpWp]: Trace formula consists of 2483 conjuncts, 299 conjunts are in the unsatisfiable core [2023-12-03 03:53:39,765 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:53:47,419 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 03:53:47,441 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-03 03:53:47,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:53:47,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 03:53:47,517 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 03:53:47,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 03:53:47,517 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:53:47,517 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:53:47,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:53:47,518 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:53:47,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-03 03:53:49,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:53:49,146 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:53:49,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:53:49,859 INFO L262 TraceCheckSpWp]: Trace formula consists of 2483 conjuncts, 299 conjunts are in the unsatisfiable core [2023-12-03 03:53:49,876 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:53:57,503 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 03:53:57,523 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-12-03 03:53:57,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:53:57,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 03:53:57,599 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 03:53:57,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 03:53:57,600 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:53:57,600 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:53:57,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:53:57,601 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:53:57,602 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-03 03:53:59,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:53:59,268 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:53:59,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:53:59,935 INFO L262 TraceCheckSpWp]: Trace formula consists of 2483 conjuncts, 299 conjunts are in the unsatisfiable core [2023-12-03 03:53:59,952 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:54:07,434 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 03:54:07,455 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2023-12-03 03:54:07,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:54:07,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 03:54:07,531 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 03:54:07,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 03:54:07,531 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:54:07,531 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:54:07,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:54:07,532 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:54:07,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-03 03:54:09,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:54:09,225 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:54:09,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:54:09,915 INFO L262 TraceCheckSpWp]: Trace formula consists of 2483 conjuncts, 299 conjunts are in the unsatisfiable core [2023-12-03 03:54:09,934 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:54:17,842 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 03:54:17,863 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2023-12-03 03:54:17,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:54:17,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 03:54:17,962 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 03:54:17,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 03:54:17,962 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:54:17,962 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:54:17,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:54:17,963 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:54:17,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-03 03:54:19,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:54:19,532 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:54:20,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:54:20,246 INFO L262 TraceCheckSpWp]: Trace formula consists of 2483 conjuncts, 299 conjunts are in the unsatisfiable core [2023-12-03 03:54:20,265 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:54:27,709 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 03:54:27,729 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2023-12-03 03:54:27,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:54:27,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 03:54:27,805 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 03:54:27,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 03:54:27,805 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:54:27,806 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:54:27,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:54:27,806 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:54:27,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-12-03 03:54:29,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:54:29,527 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:54:30,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:54:30,191 INFO L262 TraceCheckSpWp]: Trace formula consists of 2483 conjuncts, 299 conjunts are in the unsatisfiable core [2023-12-03 03:54:30,206 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:54:37,896 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 03:54:37,917 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2023-12-03 03:54:37,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:54:37,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 03:54:37,993 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 03:54:37,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 03:54:37,994 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:54:37,994 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:54:37,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:54:37,995 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:54:37,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-12-03 03:54:39,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:54:39,623 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:54:40,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:54:40,320 INFO L262 TraceCheckSpWp]: Trace formula consists of 2483 conjuncts, 299 conjunts are in the unsatisfiable core [2023-12-03 03:54:40,337 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:54:47,735 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 03:54:47,761 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2023-12-03 03:54:47,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:54:47,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 03:54:47,835 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 03:54:47,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 03:54:47,836 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:54:47,836 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:54:47,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:54:47,837 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:54:47,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-12-03 03:54:49,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:54:49,521 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:54:50,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:54:50,227 INFO L262 TraceCheckSpWp]: Trace formula consists of 2483 conjuncts, 299 conjunts are in the unsatisfiable core [2023-12-03 03:54:50,244 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:54:57,830 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 03:54:57,853 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2023-12-03 03:54:57,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:54:57,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 03:54:57,959 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 03:54:57,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 03:54:57,959 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:54:57,959 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:54:57,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:54:57,960 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:54:57,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2023-12-03 03:54:59,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:54:59,581 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:55:00,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:55:00,297 INFO L262 TraceCheckSpWp]: Trace formula consists of 2483 conjuncts, 299 conjunts are in the unsatisfiable core [2023-12-03 03:55:00,309 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:55:08,550 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 03:55:08,572 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2023-12-03 03:55:08,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:55:08,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 03:55:08,647 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 03:55:08,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 03:55:08,647 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:55:08,648 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:55:08,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:55:08,649 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:55:08,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2023-12-03 03:55:10,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:55:10,600 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:55:11,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:55:11,308 INFO L262 TraceCheckSpWp]: Trace formula consists of 2483 conjuncts, 299 conjunts are in the unsatisfiable core [2023-12-03 03:55:11,320 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:55:19,180 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 03:55:19,201 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2023-12-03 03:55:19,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:55:19,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 03:55:19,282 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 03:55:19,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 03:55:19,282 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:55:19,282 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:55:19,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:55:19,283 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:55:19,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2023-12-03 03:55:21,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:55:21,222 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:55:21,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:55:21,991 INFO L262 TraceCheckSpWp]: Trace formula consists of 2483 conjuncts, 299 conjunts are in the unsatisfiable core [2023-12-03 03:55:22,007 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:55:29,897 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 03:55:29,918 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2023-12-03 03:55:30,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:55:30,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 03:55:30,002 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 03:55:30,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 03:55:30,002 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:55:30,003 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:55:30,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:55:30,004 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:55:30,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2023-12-03 03:55:31,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:55:31,891 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:55:32,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:55:32,600 INFO L262 TraceCheckSpWp]: Trace formula consists of 2483 conjuncts, 299 conjunts are in the unsatisfiable core [2023-12-03 03:55:32,610 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:55:40,359 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 03:55:40,380 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2023-12-03 03:55:40,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:55:40,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 03:55:40,454 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 03:55:40,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 03:55:40,455 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:55:40,455 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:55:40,455 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:55:40,456 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:55:40,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2023-12-03 03:55:42,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:55:42,208 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:55:42,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:55:42,960 INFO L262 TraceCheckSpWp]: Trace formula consists of 2483 conjuncts, 299 conjunts are in the unsatisfiable core [2023-12-03 03:55:42,975 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:55:50,811 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 03:55:50,834 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2023-12-03 03:55:50,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:55:50,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 03:55:50,908 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 03:55:50,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 03:55:50,908 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:55:50,909 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:55:50,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:55:50,909 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:55:50,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2023-12-03 03:55:52,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:55:52,588 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:55:53,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:55:53,317 INFO L262 TraceCheckSpWp]: Trace formula consists of 2483 conjuncts, 299 conjunts are in the unsatisfiable core [2023-12-03 03:55:53,328 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:56:01,049 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 03:56:01,070 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2023-12-03 03:56:01,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:56:01,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 03:56:01,148 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 03:56:01,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 03:56:01,148 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:56:01,148 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:56:01,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:56:01,149 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:56:01,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2023-12-03 03:56:03,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:56:03,045 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:56:03,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:56:03,735 INFO L262 TraceCheckSpWp]: Trace formula consists of 2483 conjuncts, 299 conjunts are in the unsatisfiable core [2023-12-03 03:56:03,745 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:56:11,552 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 03:56:11,573 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2023-12-03 03:56:11,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:56:11,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 03:56:11,647 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 03:56:11,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 03:56:11,647 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:56:11,648 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:56:11,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:56:11,649 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:56:11,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2023-12-03 03:56:13,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:56:13,302 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:56:13,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:56:13,989 INFO L262 TraceCheckSpWp]: Trace formula consists of 2483 conjuncts, 299 conjunts are in the unsatisfiable core [2023-12-03 03:56:14,006 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:56:21,935 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 03:56:21,957 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2023-12-03 03:56:22,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:56:22,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 03:56:22,034 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 03:56:22,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 03:56:22,034 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:56:22,034 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:56:22,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:56:22,035 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:56:22,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2023-12-03 03:56:23,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:56:23,851 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:56:24,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:56:24,538 INFO L262 TraceCheckSpWp]: Trace formula consists of 2483 conjuncts, 299 conjunts are in the unsatisfiable core [2023-12-03 03:56:24,548 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:56:32,038 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 03:56:32,058 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2023-12-03 03:56:32,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:56:32,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 03:56:32,199 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 03:56:32,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 03:56:32,199 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:56:32,199 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:56:32,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:56:32,200 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:56:32,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2023-12-03 03:56:33,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:56:33,900 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:56:34,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:56:34,619 INFO L262 TraceCheckSpWp]: Trace formula consists of 2483 conjuncts, 299 conjunts are in the unsatisfiable core [2023-12-03 03:56:34,628 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:56:42,324 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 03:56:42,346 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2023-12-03 03:56:42,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:56:42,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 03:56:42,418 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 03:56:42,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 03:56:42,418 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:56:42,418 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:56:42,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:56:42,419 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:56:42,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2023-12-03 03:56:44,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:56:44,106 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:56:44,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:56:44,789 INFO L262 TraceCheckSpWp]: Trace formula consists of 2483 conjuncts, 299 conjunts are in the unsatisfiable core [2023-12-03 03:56:44,798 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:56:52,519 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 03:56:52,541 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2023-12-03 03:56:52,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:56:52,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 03:56:52,615 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 03:56:52,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 03:56:52,615 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:56:52,616 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:56:52,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:56:52,617 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:56:52,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2023-12-03 03:56:54,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:56:54,579 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:56:55,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:56:55,284 INFO L262 TraceCheckSpWp]: Trace formula consists of 2483 conjuncts, 299 conjunts are in the unsatisfiable core [2023-12-03 03:56:55,294 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:57:03,120 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 03:57:03,142 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2023-12-03 03:57:03,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:57:03,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 03:57:03,230 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 03:57:03,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 03:57:03,231 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:57:03,231 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:57:03,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:57:03,232 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:57:03,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2023-12-03 03:57:04,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:57:05,000 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:57:05,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:57:05,721 INFO L262 TraceCheckSpWp]: Trace formula consists of 2483 conjuncts, 299 conjunts are in the unsatisfiable core [2023-12-03 03:57:05,730 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:57:13,625 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 03:57:13,647 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2023-12-03 03:57:13,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:57:13,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 03:57:13,741 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 03:57:13,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 03:57:13,742 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:57:13,742 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:57:13,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:57:13,743 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:57:13,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2023-12-03 03:57:15,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:57:15,526 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:57:16,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:57:16,163 INFO L262 TraceCheckSpWp]: Trace formula consists of 2483 conjuncts, 299 conjunts are in the unsatisfiable core [2023-12-03 03:57:16,171 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:57:23,752 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 03:57:23,775 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2023-12-03 03:57:23,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:57:23,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 03:57:23,851 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 03:57:23,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 03:57:23,851 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:57:23,852 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:57:23,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:57:23,853 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:57:23,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2023-12-03 03:57:25,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:57:25,629 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:57:26,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:57:26,357 INFO L262 TraceCheckSpWp]: Trace formula consists of 2483 conjuncts, 299 conjunts are in the unsatisfiable core [2023-12-03 03:57:26,365 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:57:33,841 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 03:57:33,864 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2023-12-03 03:57:33,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:57:33,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 03:57:33,936 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 03:57:33,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 03:57:33,937 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:57:33,937 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:57:33,937 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:57:33,938 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:57:33,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2023-12-03 03:57:35,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:57:35,707 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:57:36,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:57:36,397 INFO L262 TraceCheckSpWp]: Trace formula consists of 2483 conjuncts, 299 conjunts are in the unsatisfiable core [2023-12-03 03:57:36,406 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:57:44,350 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 03:57:44,373 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2023-12-03 03:57:44,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:57:44,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 03:57:44,448 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 03:57:44,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 03:57:44,448 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:57:44,448 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:57:44,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:57:44,449 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:57:44,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2023-12-03 03:57:46,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:57:46,212 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:57:46,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:57:46,893 INFO L262 TraceCheckSpWp]: Trace formula consists of 2483 conjuncts, 299 conjunts are in the unsatisfiable core [2023-12-03 03:57:46,903 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:57:54,545 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 03:57:54,569 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2023-12-03 03:57:54,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:57:54,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 03:57:54,642 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 03:57:54,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 03:57:54,643 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:57:54,643 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:57:54,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:57:54,644 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:57:54,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2023-12-03 03:57:56,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:57:56,471 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:57:57,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:57:57,161 INFO L262 TraceCheckSpWp]: Trace formula consists of 2483 conjuncts, 299 conjunts are in the unsatisfiable core [2023-12-03 03:57:57,170 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:58:04,740 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 03:58:04,763 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2023-12-03 03:58:04,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:58:04,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 03:58:04,838 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 03:58:04,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 03:58:04,839 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:58:04,839 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:58:04,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:58:04,840 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:58:04,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2023-12-03 03:58:06,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:58:06,687 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:58:07,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:58:07,355 INFO L262 TraceCheckSpWp]: Trace formula consists of 2483 conjuncts, 299 conjunts are in the unsatisfiable core [2023-12-03 03:58:07,368 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:58:15,196 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 03:58:15,219 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2023-12-03 03:58:15,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:58:15,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 03:58:15,296 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 03:58:15,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 03:58:15,296 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:58:15,296 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:58:15,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:58:15,297 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:58:15,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2023-12-03 03:58:17,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:58:17,175 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:58:17,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:58:17,935 INFO L262 TraceCheckSpWp]: Trace formula consists of 2483 conjuncts, 299 conjunts are in the unsatisfiable core [2023-12-03 03:58:17,944 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:58:25,546 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 03:58:25,569 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2023-12-03 03:58:25,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:58:25,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 03:58:25,695 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 03:58:25,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 03:58:25,695 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:58:25,696 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:58:25,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:58:25,697 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:58:25,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2023-12-03 03:58:27,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:58:27,534 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:58:28,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:58:28,224 INFO L262 TraceCheckSpWp]: Trace formula consists of 2483 conjuncts, 299 conjunts are in the unsatisfiable core [2023-12-03 03:58:28,236 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:58:35,960 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 03:58:35,983 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2023-12-03 03:58:36,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:58:36,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 03:58:36,060 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 03:58:36,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 03:58:36,061 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:58:36,061 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:58:36,061 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:58:36,062 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:58:36,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2023-12-03 03:58:37,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:58:37,931 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:58:38,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:58:38,588 INFO L262 TraceCheckSpWp]: Trace formula consists of 2483 conjuncts, 299 conjunts are in the unsatisfiable core [2023-12-03 03:58:38,597 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:58:46,431 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 03:58:46,454 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Forceful destruction successful, exit code 0 [2023-12-03 03:58:46,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:58:46,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 03:58:46,546 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 03:58:46,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 03:58:46,547 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:58:46,547 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:58:46,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:58:46,548 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:58:46,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2023-12-03 03:58:48,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:58:48,413 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:58:49,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:58:49,094 INFO L262 TraceCheckSpWp]: Trace formula consists of 2483 conjuncts, 299 conjunts are in the unsatisfiable core [2023-12-03 03:58:49,103 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:58:56,756 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 03:58:56,780 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2023-12-03 03:58:56,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:58:56,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 03:58:56,854 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 03:58:56,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 03:58:56,855 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:58:56,855 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:58:56,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:58:56,855 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:58:56,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2023-12-03 03:58:58,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:58:58,626 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:58:59,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:58:59,310 INFO L262 TraceCheckSpWp]: Trace formula consists of 2483 conjuncts, 299 conjunts are in the unsatisfiable core [2023-12-03 03:58:59,319 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:59:06,943 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 03:59:06,967 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2023-12-03 03:59:07,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:59:07,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 03:59:07,042 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 03:59:07,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 03:59:07,042 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:59:07,042 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:59:07,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:59:07,043 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:59:07,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2023-12-03 03:59:08,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:59:08,900 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:59:09,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:59:09,592 INFO L262 TraceCheckSpWp]: Trace formula consists of 2483 conjuncts, 299 conjunts are in the unsatisfiable core [2023-12-03 03:59:09,601 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:59:17,109 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 03:59:17,134 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2023-12-03 03:59:17,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:59:17,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 03:59:17,207 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 03:59:17,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 03:59:17,207 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:59:17,207 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:59:17,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:59:17,208 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:59:17,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2023-12-03 03:59:18,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:59:18,882 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:59:19,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:59:19,548 INFO L262 TraceCheckSpWp]: Trace formula consists of 2483 conjuncts, 299 conjunts are in the unsatisfiable core [2023-12-03 03:59:19,556 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:59:27,209 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 03:59:27,234 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2023-12-03 03:59:27,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:59:27,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 03:59:27,307 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 03:59:27,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 03:59:27,307 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:59:27,307 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:59:27,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:59:27,308 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:59:27,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2023-12-03 03:59:29,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:59:29,131 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:59:29,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:59:29,881 INFO L262 TraceCheckSpWp]: Trace formula consists of 2483 conjuncts, 299 conjunts are in the unsatisfiable core [2023-12-03 03:59:29,890 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:59:37,605 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 03:59:37,631 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2023-12-03 03:59:37,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:59:37,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 03:59:37,706 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 03:59:37,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 03:59:37,707 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:59:37,707 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:59:37,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:59:37,708 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:59:37,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2023-12-03 03:59:39,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:59:39,561 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:59:40,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:59:40,284 INFO L262 TraceCheckSpWp]: Trace formula consists of 2483 conjuncts, 299 conjunts are in the unsatisfiable core [2023-12-03 03:59:40,293 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:59:47,994 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 03:59:48,019 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2023-12-03 03:59:48,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:59:48,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 03:59:48,094 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 03:59:48,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 03:59:48,094 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:59:48,094 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:59:48,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:59:48,095 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:59:48,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2023-12-03 03:59:49,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:59:49,947 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:59:50,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:59:50,656 INFO L262 TraceCheckSpWp]: Trace formula consists of 2483 conjuncts, 299 conjunts are in the unsatisfiable core [2023-12-03 03:59:50,665 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:59:58,270 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 03:59:58,295 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2023-12-03 03:59:58,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:59:58,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 03:59:58,369 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 03:59:58,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 03:59:58,369 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:59:58,370 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:59:58,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:59:58,370 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:59:58,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2023-12-03 04:00:00,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:00:00,258 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:00:00,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:00:00,971 INFO L262 TraceCheckSpWp]: Trace formula consists of 2483 conjuncts, 299 conjunts are in the unsatisfiable core [2023-12-03 04:00:00,981 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:00:08,621 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 04:00:08,648 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2023-12-03 04:00:08,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:00:08,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 04:00:08,723 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 04:00:08,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:00:08,723 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:00:08,724 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:00:08,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:00:08,724 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:00:08,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2023-12-03 04:00:10,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:00:10,632 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:00:11,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:00:11,333 INFO L262 TraceCheckSpWp]: Trace formula consists of 2483 conjuncts, 299 conjunts are in the unsatisfiable core [2023-12-03 04:00:11,341 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:00:19,249 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 04:00:19,276 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2023-12-03 04:00:19,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:00:19,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 04:00:19,370 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 04:00:19,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:00:19,371 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:00:19,371 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:00:19,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:00:19,372 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:00:19,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2023-12-03 04:00:21,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:00:21,181 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:00:21,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:00:21,881 INFO L262 TraceCheckSpWp]: Trace formula consists of 2483 conjuncts, 299 conjunts are in the unsatisfiable core [2023-12-03 04:00:21,889 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:00:29,561 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 04:00:29,586 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2023-12-03 04:00:29,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:00:29,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 04:00:29,659 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 04:00:29,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:00:29,660 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:00:29,660 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:00:29,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:00:29,660 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:00:29,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2023-12-03 04:00:31,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:00:31,621 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:00:32,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:00:32,355 INFO L262 TraceCheckSpWp]: Trace formula consists of 2483 conjuncts, 299 conjunts are in the unsatisfiable core [2023-12-03 04:00:32,363 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:00:39,947 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 04:00:39,972 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2023-12-03 04:00:40,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:00:40,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 04:00:40,066 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 04:00:40,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:00:40,066 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:00:40,066 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:00:40,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:00:40,067 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:00:40,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2023-12-03 04:00:41,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:00:41,962 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:00:42,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:00:42,660 INFO L262 TraceCheckSpWp]: Trace formula consists of 2483 conjuncts, 299 conjunts are in the unsatisfiable core [2023-12-03 04:00:42,668 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:00:50,537 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 04:00:50,562 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2023-12-03 04:00:50,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:00:50,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 04:00:50,635 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 04:00:50,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:00:50,635 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:00:50,635 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:00:50,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:00:50,636 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:00:50,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2023-12-03 04:00:52,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:00:52,637 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:00:53,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:00:53,353 INFO L262 TraceCheckSpWp]: Trace formula consists of 2483 conjuncts, 299 conjunts are in the unsatisfiable core [2023-12-03 04:00:53,362 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:01:00,895 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 04:01:00,923 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2023-12-03 04:01:00,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:01:00,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 04:01:00,997 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 04:01:00,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:01:00,997 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:01:00,998 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:01:00,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:01:00,999 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:01:00,999 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2023-12-03 04:01:02,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:01:02,819 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:01:03,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:01:03,491 INFO L262 TraceCheckSpWp]: Trace formula consists of 2483 conjuncts, 299 conjunts are in the unsatisfiable core [2023-12-03 04:01:03,499 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:01:10,937 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 04:01:10,965 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2023-12-03 04:01:11,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:01:11,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 04:01:11,039 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 04:01:11,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:01:11,039 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:01:11,039 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:01:11,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:01:11,040 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:01:11,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2023-12-03 04:01:12,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:01:12,996 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:01:13,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:01:13,688 INFO L262 TraceCheckSpWp]: Trace formula consists of 2483 conjuncts, 299 conjunts are in the unsatisfiable core [2023-12-03 04:01:13,696 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:01:21,129 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 04:01:21,157 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Ended with exit code 0 [2023-12-03 04:01:21,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:01:21,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 04:01:21,235 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 04:01:21,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:01:21,235 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:01:21,236 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:01:21,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:01:21,237 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:01:21,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2023-12-03 04:01:23,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:01:23,232 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:01:23,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:01:23,955 INFO L262 TraceCheckSpWp]: Trace formula consists of 2483 conjuncts, 299 conjunts are in the unsatisfiable core [2023-12-03 04:01:23,965 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:01:31,631 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 04:01:31,660 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Ended with exit code 0 [2023-12-03 04:01:31,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:01:31,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 04:01:31,734 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 04:01:31,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:01:31,735 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:01:31,735 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:01:31,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:01:31,736 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:01:31,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2023-12-03 04:01:33,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:01:33,696 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:01:34,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:01:34,394 INFO L262 TraceCheckSpWp]: Trace formula consists of 2483 conjuncts, 299 conjunts are in the unsatisfiable core [2023-12-03 04:01:34,403 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:01:42,144 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 04:01:42,170 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Ended with exit code 0 [2023-12-03 04:01:42,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:01:42,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 04:01:42,262 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 04:01:42,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:01:42,262 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:01:42,263 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:01:42,263 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:01:42,263 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:01:42,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2023-12-03 04:01:44,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:01:44,210 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:01:44,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:01:44,884 INFO L262 TraceCheckSpWp]: Trace formula consists of 2483 conjuncts, 299 conjunts are in the unsatisfiable core [2023-12-03 04:01:44,892 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:01:52,474 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 04:01:52,503 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Ended with exit code 0 [2023-12-03 04:01:52,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:01:52,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 04:01:52,578 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 04:01:52,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:01:52,578 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:01:52,579 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:01:52,579 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:01:52,579 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:01:52,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2023-12-03 04:01:54,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:01:54,560 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:01:55,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:01:55,255 INFO L262 TraceCheckSpWp]: Trace formula consists of 2483 conjuncts, 299 conjunts are in the unsatisfiable core [2023-12-03 04:01:55,263 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:02:03,094 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 04:02:03,125 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Ended with exit code 0 [2023-12-03 04:02:03,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:02:03,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 04:02:03,198 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 04:02:03,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:02:03,198 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:02:03,198 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:02:03,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:02:03,199 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:02:03,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2023-12-03 04:02:05,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:02:05,202 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:02:05,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:02:05,895 INFO L262 TraceCheckSpWp]: Trace formula consists of 2483 conjuncts, 299 conjunts are in the unsatisfiable core [2023-12-03 04:02:05,904 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:02:13,547 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 04:02:13,574 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Ended with exit code 0 [2023-12-03 04:02:13,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:02:13,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 04:02:13,648 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 04:02:13,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:02:13,648 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:02:13,648 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:02:13,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:02:13,649 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:02:13,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2023-12-03 04:02:15,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:02:15,592 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:02:16,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:02:16,379 INFO L262 TraceCheckSpWp]: Trace formula consists of 2483 conjuncts, 299 conjunts are in the unsatisfiable core [2023-12-03 04:02:16,388 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:02:23,977 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 04:02:24,003 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Ended with exit code 0 [2023-12-03 04:02:24,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:02:24,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 04:02:24,101 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 04:02:24,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:02:24,101 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:02:24,101 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:02:24,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:02:24,102 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:02:24,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2023-12-03 04:02:26,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:02:26,053 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:02:26,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:02:26,688 INFO L262 TraceCheckSpWp]: Trace formula consists of 2483 conjuncts, 299 conjunts are in the unsatisfiable core [2023-12-03 04:02:26,696 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:02:34,262 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 04:02:34,290 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Ended with exit code 0 [2023-12-03 04:02:34,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:02:34,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 04:02:34,363 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 04:02:34,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:02:34,363 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:02:34,363 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:02:34,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:02:34,364 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:02:34,364 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (60)] Waiting until timeout for monitored process [2023-12-03 04:02:36,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:02:36,251 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:02:36,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:02:36,903 INFO L262 TraceCheckSpWp]: Trace formula consists of 2483 conjuncts, 299 conjunts are in the unsatisfiable core [2023-12-03 04:02:36,911 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:02:44,682 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 04:02:44,710 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (60)] Ended with exit code 0 [2023-12-03 04:02:44,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:02:44,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 04:02:44,784 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 04:02:44,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:02:44,784 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:02:44,784 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:02:44,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:02:44,785 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:02:44,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2023-12-03 04:02:46,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:02:46,775 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:02:47,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:02:47,466 INFO L262 TraceCheckSpWp]: Trace formula consists of 2483 conjuncts, 299 conjunts are in the unsatisfiable core [2023-12-03 04:02:47,474 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:02:55,145 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 04:02:55,172 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (61)] Ended with exit code 0 [2023-12-03 04:02:55,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:02:55,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 04:02:55,245 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 04:02:55,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:02:55,245 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:02:55,245 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:02:55,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:02:55,246 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:02:55,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (62)] Waiting until timeout for monitored process [2023-12-03 04:02:57,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:02:57,261 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:02:57,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:02:57,912 INFO L262 TraceCheckSpWp]: Trace formula consists of 2483 conjuncts, 299 conjunts are in the unsatisfiable core [2023-12-03 04:02:57,920 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:03:05,389 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 04:03:05,416 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (62)] Ended with exit code 0 [2023-12-03 04:03:05,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:03:05,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 04:03:05,492 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 04:03:05,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:03:05,492 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:03:05,492 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:03:05,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:03:05,493 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:03:05,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (63)] Waiting until timeout for monitored process [2023-12-03 04:03:07,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:03:07,519 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:03:08,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:03:08,123 INFO L262 TraceCheckSpWp]: Trace formula consists of 2483 conjuncts, 299 conjunts are in the unsatisfiable core [2023-12-03 04:03:08,131 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:03:15,600 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 04:03:15,627 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (63)] Ended with exit code 0 [2023-12-03 04:03:15,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:03:15,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 04:03:15,700 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 04:03:15,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:03:15,700 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:03:15,700 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:03:15,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:03:15,701 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:03:15,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (64)] Waiting until timeout for monitored process [2023-12-03 04:03:17,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:03:17,760 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:03:18,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:03:18,443 INFO L262 TraceCheckSpWp]: Trace formula consists of 2483 conjuncts, 299 conjunts are in the unsatisfiable core [2023-12-03 04:03:18,451 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:03:26,115 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 04:03:26,142 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (64)] Ended with exit code 0 [2023-12-03 04:03:26,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:03:26,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 04:03:26,216 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 04:03:26,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:03:26,216 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:03:26,217 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:03:26,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:03:26,217 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:03:26,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (65)] Waiting until timeout for monitored process [2023-12-03 04:03:28,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:03:28,176 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:03:28,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:03:28,817 INFO L262 TraceCheckSpWp]: Trace formula consists of 2483 conjuncts, 299 conjunts are in the unsatisfiable core [2023-12-03 04:03:28,825 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:03:36,235 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 04:03:36,261 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (65)] Ended with exit code 0 [2023-12-03 04:03:36,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:03:36,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 04:03:36,337 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 04:03:36,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:03:36,337 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:03:36,337 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:03:36,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:03:36,338 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:03:36,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (66)] Waiting until timeout for monitored process [2023-12-03 04:03:38,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:03:38,362 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:03:39,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:03:39,063 INFO L262 TraceCheckSpWp]: Trace formula consists of 2483 conjuncts, 299 conjunts are in the unsatisfiable core [2023-12-03 04:03:39,072 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:03:46,708 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 04:03:46,735 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (66)] Ended with exit code 0 [2023-12-03 04:03:46,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:03:46,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 04:03:46,833 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 04:03:46,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:03:46,834 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:03:46,834 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:03:46,834 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:03:46,835 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:03:46,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (67)] Waiting until timeout for monitored process [2023-12-03 04:03:48,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:03:48,915 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:03:49,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:03:49,635 INFO L262 TraceCheckSpWp]: Trace formula consists of 2483 conjuncts, 299 conjunts are in the unsatisfiable core [2023-12-03 04:03:49,643 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:03:57,146 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 04:03:57,173 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (67)] Ended with exit code 0 [2023-12-03 04:03:57,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:03:57,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 04:03:57,246 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 04:03:57,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:03:57,246 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:03:57,246 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:03:57,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:03:57,247 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:03:57,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (68)] Waiting until timeout for monitored process [2023-12-03 04:03:59,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:03:59,364 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:04:00,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:04:00,049 INFO L262 TraceCheckSpWp]: Trace formula consists of 2483 conjuncts, 299 conjunts are in the unsatisfiable core [2023-12-03 04:04:00,058 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:04:07,742 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 04:04:07,770 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (68)] Ended with exit code 0 [2023-12-03 04:04:07,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:04:07,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 04:04:07,844 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 04:04:07,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:04:07,844 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:04:07,844 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:04:07,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:04:07,845 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:04:07,845 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (69)] Waiting until timeout for monitored process [2023-12-03 04:04:09,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:04:09,902 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:04:10,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:04:10,581 INFO L262 TraceCheckSpWp]: Trace formula consists of 2483 conjuncts, 299 conjunts are in the unsatisfiable core [2023-12-03 04:04:10,589 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:04:18,062 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 04:04:18,089 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (69)] Ended with exit code 0 [2023-12-03 04:04:18,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:04:18,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 04:04:18,164 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 04:04:18,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:04:18,164 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:04:18,164 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:04:18,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:04:18,165 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:04:18,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (70)] Waiting until timeout for monitored process [2023-12-03 04:04:20,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:04:20,123 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:04:20,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:04:20,805 INFO L262 TraceCheckSpWp]: Trace formula consists of 2483 conjuncts, 299 conjunts are in the unsatisfiable core [2023-12-03 04:04:20,814 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:04:28,367 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 04:04:28,395 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (70)] Ended with exit code 0 [2023-12-03 04:04:28,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:04:28,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 04:04:28,468 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 04:04:28,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:04:28,468 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:04:28,468 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:04:28,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:04:28,469 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:04:28,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (71)] Waiting until timeout for monitored process [2023-12-03 04:04:30,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:04:30,584 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:04:31,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:04:31,226 INFO L262 TraceCheckSpWp]: Trace formula consists of 2483 conjuncts, 299 conjunts are in the unsatisfiable core [2023-12-03 04:04:31,234 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:04:38,785 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 04:04:38,813 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (71)] Ended with exit code 0 [2023-12-03 04:04:38,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:04:38,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 04:04:38,886 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 04:04:38,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:04:38,886 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:04:38,887 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:04:38,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:04:38,887 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:04:38,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (72)] Waiting until timeout for monitored process [2023-12-03 04:04:41,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:04:41,027 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:04:41,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:04:41,694 INFO L262 TraceCheckSpWp]: Trace formula consists of 2483 conjuncts, 299 conjunts are in the unsatisfiable core [2023-12-03 04:04:41,702 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:04:49,299 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 04:04:49,327 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (72)] Forceful destruction successful, exit code 0 [2023-12-03 04:04:49,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:04:49,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 04:04:49,400 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 04:04:49,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:04:49,401 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:04:49,401 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:04:49,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:04:49,401 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:04:49,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (73)] Waiting until timeout for monitored process [2023-12-03 04:04:51,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:04:51,334 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:04:51,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:04:51,964 INFO L262 TraceCheckSpWp]: Trace formula consists of 2483 conjuncts, 299 conjunts are in the unsatisfiable core [2023-12-03 04:04:51,972 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:04:59,413 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 04:04:59,441 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (73)] Ended with exit code 0 [2023-12-03 04:04:59,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:04:59,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 04:04:59,535 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 04:04:59,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:04:59,535 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:04:59,535 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:04:59,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:04:59,536 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:04:59,537 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (74)] Waiting until timeout for monitored process [2023-12-03 04:05:01,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:05:01,609 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:05:02,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:05:02,366 INFO L262 TraceCheckSpWp]: Trace formula consists of 2483 conjuncts, 299 conjunts are in the unsatisfiable core [2023-12-03 04:05:02,374 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:05:10,108 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 04:05:10,135 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (74)] Ended with exit code 0 [2023-12-03 04:05:10,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:05:10,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 04:05:10,210 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 04:05:10,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:05:10,211 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:05:10,211 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:05:10,211 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:05:10,212 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:05:10,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd636aff-8f85-4bcb-8c42-052a732d53f1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (75)] Waiting until timeout for monitored process [2023-12-03 04:05:12,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:05:12,446 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:05:13,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:05:13,138 INFO L262 TraceCheckSpWp]: Trace formula consists of 2483 conjuncts, 299 conjunts are in the unsatisfiable core [2023-12-03 04:05:13,147 INFO L285 TraceCheckSpWp]: Computing forward predicates...