./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-76.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/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_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-76.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b286836f98ea28c8d142c9f806621ee4793004eb1aab8be8357681e891f9ba79 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 02:43:28,782 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 02:43:28,863 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 02:43:28,867 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 02:43:28,868 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 02:43:28,890 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 02:43:28,891 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 02:43:28,892 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 02:43:28,892 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 02:43:28,893 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 02:43:28,893 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 02:43:28,894 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 02:43:28,894 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 02:43:28,895 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 02:43:28,895 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 02:43:28,896 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 02:43:28,896 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 02:43:28,897 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 02:43:28,897 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 02:43:28,898 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 02:43:28,898 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 02:43:28,899 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 02:43:28,899 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 02:43:28,900 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 02:43:28,900 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 02:43:28,901 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 02:43:28,901 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:43:28,902 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 02:43:28,902 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 02:43:28,902 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 02:43:28,903 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 02:43:28,903 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 02:43:28,903 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 02:43:28,904 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_6689ca8b-3752-43d7-805b-e52e05f20ce1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b286836f98ea28c8d142c9f806621ee4793004eb1aab8be8357681e891f9ba79 [2023-12-03 02:43:29,133 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 02:43:29,152 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 02:43:29,154 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 02:43:29,155 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 02:43:29,156 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 02:43:29,157 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-76.i [2023-12-03 02:43:31,933 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 02:43:32,088 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 02:43:32,089 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-76.i [2023-12-03 02:43:32,095 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9/data/588e83042/38f4d74604084e53948d3891a4aebfb0/FLAG87467a20f [2023-12-03 02:43:32,108 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9/data/588e83042/38f4d74604084e53948d3891a4aebfb0 [2023-12-03 02:43:32,109 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 02:43:32,111 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 02:43:32,111 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 02:43:32,112 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 02:43:32,115 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 02:43:32,116 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:43:32" (1/1) ... [2023-12-03 02:43:32,117 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51b9db5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:43:32, skipping insertion in model container [2023-12-03 02:43:32,117 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:43:32" (1/1) ... [2023-12-03 02:43:32,142 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:43:32,292 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_6689ca8b-3752-43d7-805b-e52e05f20ce1/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-76.i[915,928] [2023-12-03 02:43:32,317 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:43:32,330 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 02:43:32,343 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-76.i[915,928] [2023-12-03 02:43:32,354 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:43:32,371 INFO L206 MainTranslator]: Completed translation [2023-12-03 02:43:32,371 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:43:32 WrapperNode [2023-12-03 02:43:32,371 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 02:43:32,372 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 02:43:32,373 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 02:43:32,373 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 02:43:32,380 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:43:32" (1/1) ... [2023-12-03 02:43:32,388 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:43:32" (1/1) ... [2023-12-03 02:43:32,411 INFO L138 Inliner]: procedures = 26, calls = 20, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 73 [2023-12-03 02:43:32,411 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 02:43:32,412 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 02:43:32,412 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 02:43:32,412 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 02:43:32,423 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:43:32" (1/1) ... [2023-12-03 02:43:32,424 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:43:32" (1/1) ... [2023-12-03 02:43:32,426 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:43:32" (1/1) ... [2023-12-03 02:43:32,427 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:43:32" (1/1) ... [2023-12-03 02:43:32,431 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:43:32" (1/1) ... [2023-12-03 02:43:32,434 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:43:32" (1/1) ... [2023-12-03 02:43:32,436 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:43:32" (1/1) ... [2023-12-03 02:43:32,437 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:43:32" (1/1) ... [2023-12-03 02:43:32,439 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 02:43:32,440 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 02:43:32,440 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 02:43:32,440 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 02:43:32,441 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:43:32" (1/1) ... [2023-12-03 02:43:32,447 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:43:32,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 02:43:32,469 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 02:43:32,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 02:43:32,502 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 02:43:32,503 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-03 02:43:32,503 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-03 02:43:32,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 02:43:32,503 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 02:43:32,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 02:43:32,578 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 02:43:32,581 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 02:43:32,755 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 02:43:32,826 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 02:43:32,826 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 02:43:32,828 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:43:32 BoogieIcfgContainer [2023-12-03 02:43:32,828 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 02:43:32,829 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 02:43:32,829 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 02:43:32,839 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 02:43:32,839 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:43:32" (1/1) ... [2023-12-03 02:43:32,848 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 02:43:32,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:43:32,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2023-12-03 02:43:32,895 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2023-12-03 02:43:32,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-03 02:43:32,899 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:43:32,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:43:33,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:43:33,043 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 02:43:33,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:43:33,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:43:33,186 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 02:43:33,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:43:33,237 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 02:43:33,272 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 02:43:33 ImpRootNode [2023-12-03 02:43:33,272 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 02:43:33,273 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 02:43:33,273 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 02:43:33,274 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 02:43:33,274 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:43:32" (3/4) ... [2023-12-03 02:43:33,276 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 02:43:33,277 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 02:43:33,279 INFO L158 Benchmark]: Toolchain (without parser) took 1167.59ms. Allocated memory is still 146.8MB. Free memory was 111.0MB in the beginning and 85.3MB in the end (delta: 25.8MB). Peak memory consumption was 22.6MB. Max. memory is 16.1GB. [2023-12-03 02:43:33,279 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 111.1MB. Free memory is still 84.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:43:33,280 INFO L158 Benchmark]: CACSL2BoogieTranslator took 260.18ms. Allocated memory is still 146.8MB. Free memory was 110.5MB in the beginning and 99.5MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 02:43:33,281 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.96ms. Allocated memory is still 146.8MB. Free memory was 99.5MB in the beginning and 98.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 02:43:33,281 INFO L158 Benchmark]: Boogie Preprocessor took 27.32ms. Allocated memory is still 146.8MB. Free memory was 97.5MB in the beginning and 96.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 02:43:33,282 INFO L158 Benchmark]: RCFGBuilder took 388.09ms. Allocated memory is still 146.8MB. Free memory was 96.4MB in the beginning and 109.0MB in the end (delta: -12.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 02:43:33,283 INFO L158 Benchmark]: CodeCheck took 443.62ms. Allocated memory is still 146.8MB. Free memory was 109.0MB in the beginning and 85.9MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-12-03 02:43:33,283 INFO L158 Benchmark]: Witness Printer took 4.42ms. Allocated memory is still 146.8MB. Free memory was 85.9MB in the beginning and 85.3MB in the end (delta: 638.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:43:33,287 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 21 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 30 NumberOfCodeBlocks, 30 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 47, overapproximation of someBinaryDOUBLEComparisonOperation at line 35. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 32.81; [L23] float var_1_3 = 256.25; [L24] float var_1_4 = 1.75; [L25] double var_1_5 = 10000000.5; [L26] unsigned char var_1_6 = 0; [L27] unsigned char var_1_8 = 0; [L28] unsigned char var_1_9 = 0; [L29] signed char var_1_10 = 5; [L30] double last_1_var_1_1 = 32.81; [L31] unsigned char last_1_var_1_6 = 0; [L66] isInitial = 1 [L67] FCALL initially() [L68] COND TRUE 1 [L69] CALL updateLastVariables() [L58] last_1_var_1_1 = var_1_1 [L59] last_1_var_1_6 = var_1_6 [L69] RET updateLastVariables() [L70] CALL updateVariables() [L44] var_1_3 = __VERIFIER_nondet_float() [L45] CALL assume_abort_if_not((var_1_3 >= 0.0F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=3281/100, last_1_var_1_6=0, var_1_10=5, var_1_1=3281/100, var_1_4=7/4, var_1_5=20000001/2, var_1_6=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L45] RET assume_abort_if_not((var_1_3 >= 0.0F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_1=3281/100, last_1_var_1_6=0, var_1_10=5, var_1_1=3281/100, var_1_4=7/4, var_1_5=20000001/2, var_1_6=0, var_1_8=0, var_1_9=0] [L46] var_1_4 = __VERIFIER_nondet_float() [L47] CALL assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=3281/100, last_1_var_1_6=0, var_1_10=5, var_1_1=3281/100, var_1_5=20000001/2, var_1_6=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L47] RET assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_1=3281/100, last_1_var_1_6=0, var_1_10=5, var_1_1=3281/100, var_1_5=20000001/2, var_1_6=0, var_1_8=0, var_1_9=0] [L48] var_1_5 = __VERIFIER_nondet_double() [L49] CALL assume_abort_if_not((var_1_5 >= -922337.2036854765600e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=3281/100, last_1_var_1_6=0, var_1_10=5, var_1_1=3281/100, var_1_6=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L49] RET assume_abort_if_not((var_1_5 >= -922337.2036854765600e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_1=3281/100, last_1_var_1_6=0, var_1_10=5, var_1_1=3281/100, var_1_6=0, var_1_8=0, var_1_9=0] [L50] var_1_8 = __VERIFIER_nondet_uchar() [L51] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=3281/100, last_1_var_1_6=0, var_1_10=5, var_1_1=3281/100, var_1_6=0, var_1_9=0] [L20] COND FALSE !(!cond) [L51] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_1=3281/100, last_1_var_1_6=0, var_1_10=5, var_1_1=3281/100, var_1_6=0, var_1_9=0] [L52] CALL assume_abort_if_not(var_1_8 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=3281/100, last_1_var_1_6=0, var_1_10=5, var_1_1=3281/100, var_1_6=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L52] RET assume_abort_if_not(var_1_8 <= 0) VAL [isInitial=1, last_1_var_1_1=3281/100, last_1_var_1_6=0, var_1_10=5, var_1_1=3281/100, var_1_6=0, var_1_8=0, var_1_9=0] [L53] var_1_9 = __VERIFIER_nondet_uchar() [L54] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=3281/100, last_1_var_1_6=0, var_1_10=5, var_1_1=3281/100, var_1_6=0, var_1_8=0] [L20] COND FALSE !(!cond) [L54] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_1=3281/100, last_1_var_1_6=0, var_1_10=5, var_1_1=3281/100, var_1_6=0, var_1_8=0] [L55] CALL assume_abort_if_not(var_1_9 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=3281/100, last_1_var_1_6=0, var_1_10=5, var_1_1=3281/100, var_1_6=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L55] RET assume_abort_if_not(var_1_9 <= 0) VAL [isInitial=1, last_1_var_1_1=3281/100, last_1_var_1_6=0, var_1_10=5, var_1_1=3281/100, var_1_6=0, var_1_8=0, var_1_9=0] [L70] RET updateVariables() [L71] CALL step() [L35] COND FALSE !(last_1_var_1_1 < (((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4))) - 199.2f)) [L38] COND FALSE !(\read(last_1_var_1_6)) [L41] var_1_10 = -50 [L71] RET step() [L72] CALL, EXPR property() [L62-L63] return (((last_1_var_1_1 < (((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4))) - 199.2f)) ? (var_1_1 == ((double) var_1_5)) : 1) && (last_1_var_1_6 ? (var_1_6 == ((unsigned char) (! (var_1_8 || var_1_9)))) : 1)) && (var_1_10 == ((signed char) -50)) ; [L72] RET, EXPR property() [L72] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_1=3281/100, last_1_var_1_6=0, var_1_10=-50, var_1_1=3281/100, var_1_5=0, var_1_6=0, var_1_8=0, var_1_9=0] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_1=3281/100, last_1_var_1_6=0, var_1_10=-50, var_1_1=3281/100, var_1_5=0, var_1_6=0, var_1_8=0, var_1_9=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 111.1MB. Free memory is still 84.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 260.18ms. Allocated memory is still 146.8MB. Free memory was 110.5MB in the beginning and 99.5MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.96ms. Allocated memory is still 146.8MB. Free memory was 99.5MB in the beginning and 98.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.32ms. Allocated memory is still 146.8MB. Free memory was 97.5MB in the beginning and 96.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 388.09ms. Allocated memory is still 146.8MB. Free memory was 96.4MB in the beginning and 109.0MB in the end (delta: -12.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 443.62ms. Allocated memory is still 146.8MB. Free memory was 109.0MB in the beginning and 85.9MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Witness Printer took 4.42ms. Allocated memory is still 146.8MB. Free memory was 85.9MB in the beginning and 85.3MB in the end (delta: 638.5kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-03 02:43:33,306 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/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_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-76.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b286836f98ea28c8d142c9f806621ee4793004eb1aab8be8357681e891f9ba79 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 02:43:35,234 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 02:43:35,308 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-03 02:43:35,337 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 02:43:35,338 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 02:43:35,338 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 02:43:35,339 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 02:43:35,339 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 02:43:35,340 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 02:43:35,341 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 02:43:35,341 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 02:43:35,342 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 02:43:35,342 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 02:43:35,343 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 02:43:35,343 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 02:43:35,344 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 02:43:35,344 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 02:43:35,345 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 02:43:35,345 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 02:43:35,346 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 02:43:35,346 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 02:43:35,347 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 02:43:35,347 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 02:43:35,348 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 02:43:35,348 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 02:43:35,349 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 02:43:35,349 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 02:43:35,350 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 02:43:35,350 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:43:35,351 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 02:43:35,351 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 02:43:35,351 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 02:43:35,352 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 02:43:35,352 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 02:43:35,353 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 02:43:35,353 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 02:43:35,353 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 02:43:35,353 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_6689ca8b-3752-43d7-805b-e52e05f20ce1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b286836f98ea28c8d142c9f806621ee4793004eb1aab8be8357681e891f9ba79 [2023-12-03 02:43:35,631 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 02:43:35,651 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 02:43:35,653 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 02:43:35,655 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 02:43:35,655 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 02:43:35,656 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-76.i [2023-12-03 02:43:38,381 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 02:43:38,586 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 02:43:38,586 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-76.i [2023-12-03 02:43:38,593 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9/data/733cc8771/ba294033facb427884b3590e90fcb10d/FLAG7b6561ca8 [2023-12-03 02:43:38,605 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9/data/733cc8771/ba294033facb427884b3590e90fcb10d [2023-12-03 02:43:38,608 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 02:43:38,609 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 02:43:38,611 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 02:43:38,611 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 02:43:38,614 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 02:43:38,615 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:43:38" (1/1) ... [2023-12-03 02:43:38,616 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69b00dbb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:43:38, skipping insertion in model container [2023-12-03 02:43:38,616 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:43:38" (1/1) ... [2023-12-03 02:43:38,636 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:43:38,760 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_6689ca8b-3752-43d7-805b-e52e05f20ce1/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-76.i[915,928] [2023-12-03 02:43:38,785 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:43:38,799 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 02:43:38,810 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_6689ca8b-3752-43d7-805b-e52e05f20ce1/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-76.i[915,928] [2023-12-03 02:43:38,823 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:43:38,839 INFO L206 MainTranslator]: Completed translation [2023-12-03 02:43:38,840 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:43:38 WrapperNode [2023-12-03 02:43:38,840 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 02:43:38,841 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 02:43:38,841 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 02:43:38,841 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 02:43:38,846 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:43:38" (1/1) ... [2023-12-03 02:43:38,856 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:43:38" (1/1) ... [2023-12-03 02:43:38,880 INFO L138 Inliner]: procedures = 27, calls = 20, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 73 [2023-12-03 02:43:38,880 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 02:43:38,881 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 02:43:38,881 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 02:43:38,881 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 02:43:38,889 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:43:38" (1/1) ... [2023-12-03 02:43:38,889 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:43:38" (1/1) ... [2023-12-03 02:43:38,893 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:43:38" (1/1) ... [2023-12-03 02:43:38,894 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:43:38" (1/1) ... [2023-12-03 02:43:38,902 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:43:38" (1/1) ... [2023-12-03 02:43:38,906 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:43:38" (1/1) ... [2023-12-03 02:43:38,909 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:43:38" (1/1) ... [2023-12-03 02:43:38,910 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:43:38" (1/1) ... [2023-12-03 02:43:38,914 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 02:43:38,915 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 02:43:38,915 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 02:43:38,915 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 02:43:38,916 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:43:38" (1/1) ... [2023-12-03 02:43:38,921 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:43:38,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 02:43:38,941 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 02:43:38,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 02:43:38,974 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 02:43:38,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 02:43:38,974 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-03 02:43:38,974 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-03 02:43:38,974 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 02:43:38,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 02:43:39,048 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 02:43:39,050 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 02:43:39,948 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 02:43:40,025 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 02:43:40,026 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 02:43:40,027 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:43:40 BoogieIcfgContainer [2023-12-03 02:43:40,027 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 02:43:40,028 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 02:43:40,028 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 02:43:40,035 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 02:43:40,036 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:43:40" (1/1) ... [2023-12-03 02:43:40,043 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 02:43:40,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:43:40,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2023-12-03 02:43:40,088 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2023-12-03 02:43:40,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-03 02:43:40,091 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:43:40,092 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:43:40,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:43:40,120 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:43:40,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 02:43:40,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:43:40,593 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:43:40,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:43:40,700 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 02:43:40,709 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:44:12,357 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 23 proven. 6 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-12-03 02:44:12,362 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 02:44:15,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:44:15,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 36 states and 59 transitions. [2023-12-03 02:44:15,188 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 59 transitions. [2023-12-03 02:44:15,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-03 02:44:15,190 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:44:15,191 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:44:15,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:44:15,192 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:44:15,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 02:44:15,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:44:15,656 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:44:15,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:44:15,715 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 02:44:15,718 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:44:43,967 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 23 proven. 6 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-12-03 02:44:43,972 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 02:44:44,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:44:44,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 36 states and 59 transitions. [2023-12-03 02:44:44,054 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 59 transitions. [2023-12-03 02:44:44,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-03 02:44:44,055 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:44:44,056 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:44:44,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:44:44,057 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:44:44,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 02:44:44,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:44:44,481 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:44:44,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:44:44,537 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 02:44:44,540 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:45:15,037 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 23 proven. 6 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-12-03 02:45:15,042 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-12-03 02:45:16,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:45:16,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 36 states and 59 transitions. [2023-12-03 02:45:16,516 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 59 transitions. [2023-12-03 02:45:16,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-03 02:45:16,517 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:45:16,518 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:45:16,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:45:16,519 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:45:16,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-03 02:45:16,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:45:16,930 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:45:16,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:45:16,987 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 02:45:16,990 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:45:48,273 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 23 proven. 6 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-12-03 02:45:48,277 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-03 02:45:48,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:45:48,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 36 states and 59 transitions. [2023-12-03 02:45:48,297 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 59 transitions. [2023-12-03 02:45:48,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-03 02:45:48,298 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:45:48,299 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:45:48,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:45:48,300 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:45:48,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-03 02:45:48,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:45:48,735 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:45:48,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:45:48,794 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 02:45:48,796 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:46:20,647 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 23 proven. 6 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-12-03 02:46:20,650 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2023-12-03 02:46:20,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:46:20,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 36 states and 59 transitions. [2023-12-03 02:46:20,669 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 59 transitions. [2023-12-03 02:46:20,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-03 02:46:20,671 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:46:20,671 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:46:20,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:46:20,672 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:46:20,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-03 02:46:21,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:46:21,093 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:46:21,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:46:21,149 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 02:46:21,151 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:46:53,660 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 23 proven. 6 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-12-03 02:46:53,663 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-03 02:46:53,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:46:53,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 36 states and 59 transitions. [2023-12-03 02:46:53,682 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 59 transitions. [2023-12-03 02:46:53,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-03 02:46:53,683 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:46:53,683 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:46:53,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:46:53,684 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:46:53,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-03 02:46:54,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:46:54,147 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:46:54,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:46:54,201 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 02:46:54,203 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:47:25,271 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 23 proven. 6 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-12-03 02:47:25,276 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-03 02:47:25,276 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 02:47:25,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:47:25,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 36 states and 59 transitions. [2023-12-03 02:47:25,292 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 59 transitions. [2023-12-03 02:47:25,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-03 02:47:25,293 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:47:25,293 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:47:25,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:47:25,294 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:47:25,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-03 02:47:25,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:47:25,700 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:47:25,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:47:25,754 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 02:47:25,756 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:47:55,675 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 23 proven. 6 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-12-03 02:47:55,679 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-12-03 02:47:55,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:47:55,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 36 states and 59 transitions. [2023-12-03 02:47:55,698 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 59 transitions. [2023-12-03 02:47:55,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-03 02:47:55,699 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:47:55,699 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:47:55,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:47:55,700 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:47:55,701 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-03 02:47:56,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:47:56,120 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:47:56,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:47:56,191 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 02:47:56,192 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:48:24,526 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 23 proven. 6 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-12-03 02:48:24,530 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2023-12-03 02:48:24,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:48:24,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 36 states and 59 transitions. [2023-12-03 02:48:24,547 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 59 transitions. [2023-12-03 02:48:24,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-03 02:48:24,548 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:48:24,548 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:48:24,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:48:24,549 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:48:24,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-03 02:48:24,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:48:24,974 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:48:25,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:48:25,028 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 02:48:25,031 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:48:53,440 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 23 proven. 6 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-12-03 02:48:53,444 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2023-12-03 02:48:53,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:48:53,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 36 states and 59 transitions. [2023-12-03 02:48:53,461 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 59 transitions. [2023-12-03 02:48:53,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-03 02:48:53,462 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:48:53,462 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:48:53,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:48:53,463 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:48:53,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-03 02:48:53,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:48:53,874 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:48:53,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:48:53,926 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 02:48:53,928 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:49:21,511 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 23 proven. 6 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-12-03 02:49:21,515 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2023-12-03 02:49:21,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:49:21,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 36 states and 59 transitions. [2023-12-03 02:49:21,530 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 59 transitions. [2023-12-03 02:49:21,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-03 02:49:21,530 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:49:21,531 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:49:21,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:49:21,532 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:49:21,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-12-03 02:49:21,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:21,982 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:49:22,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:22,038 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 02:49:22,040 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:49:50,065 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 23 proven. 6 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-12-03 02:49:50,069 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2023-12-03 02:49:50,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:49:50,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 36 states and 59 transitions. [2023-12-03 02:49:50,086 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 59 transitions. [2023-12-03 02:49:50,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-03 02:49:50,087 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:49:50,087 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:49:50,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:49:50,088 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:49:50,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-12-03 02:49:50,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:50,484 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:49:50,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:50,536 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 02:49:50,538 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:50:18,887 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 23 proven. 6 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-12-03 02:50:18,891 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2023-12-03 02:50:18,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:50:18,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 36 states and 59 transitions. [2023-12-03 02:50:18,906 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 59 transitions. [2023-12-03 02:50:18,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-03 02:50:18,906 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:50:18,906 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:50:18,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:50:18,907 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:50:18,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-12-03 02:50:19,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:19,312 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:50:19,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:19,366 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 02:50:19,368 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:50:47,022 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 23 proven. 6 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-12-03 02:50:47,025 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2023-12-03 02:50:47,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:50:47,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 36 states and 59 transitions. [2023-12-03 02:50:47,049 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 59 transitions. [2023-12-03 02:50:47,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-03 02:50:47,049 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:50:47,050 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:50:47,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:50:47,051 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:50:47,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2023-12-03 02:50:47,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:47,452 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:50:47,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:47,505 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 02:50:47,507 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:51:17,237 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 23 proven. 6 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-12-03 02:51:17,240 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2023-12-03 02:51:17,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:51:17,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 36 states and 59 transitions. [2023-12-03 02:51:17,256 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 59 transitions. [2023-12-03 02:51:17,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-03 02:51:17,256 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:51:17,257 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:51:17,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:51:17,257 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:51:17,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2023-12-03 02:51:17,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:51:17,659 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:51:17,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:51:17,711 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 02:51:17,712 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:51:45,504 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 23 proven. 6 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-12-03 02:51:45,508 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Forceful destruction successful, exit code 0 [2023-12-03 02:51:45,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:51:45,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 36 states and 59 transitions. [2023-12-03 02:51:45,524 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 59 transitions. [2023-12-03 02:51:45,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-03 02:51:45,525 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:51:45,525 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:51:45,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:51:45,526 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:51:45,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2023-12-03 02:51:45,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:51:45,926 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:51:45,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:51:45,979 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 02:51:45,980 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:52:15,748 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 23 proven. 6 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-12-03 02:52:15,752 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2023-12-03 02:52:15,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:52:15,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 36 states and 59 transitions. [2023-12-03 02:52:15,769 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 59 transitions. [2023-12-03 02:52:15,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-03 02:52:15,769 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:52:15,769 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:52:15,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:52:15,770 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:52:15,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2023-12-03 02:52:16,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:52:16,180 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:52:16,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:52:16,233 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 02:52:16,235 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:52:45,348 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 23 proven. 6 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-12-03 02:52:45,352 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2023-12-03 02:52:45,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:52:45,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 36 states and 59 transitions. [2023-12-03 02:52:45,370 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 59 transitions. [2023-12-03 02:52:45,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-03 02:52:45,370 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:52:45,371 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:52:45,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:52:45,372 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:52:45,376 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2023-12-03 02:52:45,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:52:45,785 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:52:45,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:52:45,838 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 02:52:45,839 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:53:15,559 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 23 proven. 6 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-12-03 02:53:15,563 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2023-12-03 02:53:15,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:53:15,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 36 states and 59 transitions. [2023-12-03 02:53:15,578 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 59 transitions. [2023-12-03 02:53:15,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-03 02:53:15,579 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:53:15,579 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:53:15,579 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:53:15,580 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:53:15,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2023-12-03 02:53:15,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:53:15,983 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:53:16,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:53:16,040 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 02:53:16,041 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:53:43,625 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 23 proven. 6 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-12-03 02:53:43,630 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Forceful destruction successful, exit code 0 [2023-12-03 02:53:43,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:53:43,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 36 states and 59 transitions. [2023-12-03 02:53:43,643 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 59 transitions. [2023-12-03 02:53:43,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-03 02:53:43,644 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:53:43,644 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:53:43,644 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:53:43,645 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:53:43,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2023-12-03 02:53:44,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:53:44,055 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:53:44,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:53:44,106 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 02:53:44,107 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:54:12,471 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 23 proven. 6 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-12-03 02:54:12,474 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2023-12-03 02:54:12,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:54:12,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 36 states and 59 transitions. [2023-12-03 02:54:12,489 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 59 transitions. [2023-12-03 02:54:12,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-03 02:54:12,490 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:54:12,490 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:54:12,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:54:12,491 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:54:12,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2023-12-03 02:54:12,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:12,903 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:54:12,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:12,955 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 02:54:12,957 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:54:40,348 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 23 proven. 6 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-12-03 02:54:40,352 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2023-12-03 02:54:40,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:54:40,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 36 states and 59 transitions. [2023-12-03 02:54:40,367 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 59 transitions. [2023-12-03 02:54:40,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-03 02:54:40,368 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:54:40,368 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:54:40,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:54:40,369 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:54:40,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2023-12-03 02:54:40,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:40,782 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:54:40,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:40,834 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 02:54:40,836 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:55:11,070 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 23 proven. 6 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-12-03 02:55:11,074 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2023-12-03 02:55:11,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:55:11,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 36 states and 59 transitions. [2023-12-03 02:55:11,088 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 59 transitions. [2023-12-03 02:55:11,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-03 02:55:11,089 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:55:11,089 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:55:11,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:55:11,090 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:55:11,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2023-12-03 02:55:11,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:55:11,493 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:55:11,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:55:11,567 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 02:55:11,569 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:55:41,098 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 23 proven. 6 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-12-03 02:55:41,101 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2023-12-03 02:55:41,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:55:41,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 36 states and 59 transitions. [2023-12-03 02:55:41,120 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 59 transitions. [2023-12-03 02:55:41,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-03 02:55:41,120 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:55:41,120 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:55:41,120 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:55:41,121 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:55:41,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2023-12-03 02:55:41,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:55:41,543 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:55:41,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:55:41,597 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 02:55:41,598 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:56:10,222 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 23 proven. 6 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-12-03 02:56:10,225 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Forceful destruction successful, exit code 0 [2023-12-03 02:56:10,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:56:10,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 36 states and 59 transitions. [2023-12-03 02:56:10,241 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 59 transitions. [2023-12-03 02:56:10,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-03 02:56:10,241 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:56:10,242 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:56:10,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:56:10,243 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:56:10,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2023-12-03 02:56:10,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:56:10,681 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:56:10,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:56:10,735 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 02:56:10,736 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:56:39,608 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 23 proven. 6 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-12-03 02:56:39,611 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2023-12-03 02:56:39,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:56:39,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 36 states and 59 transitions. [2023-12-03 02:56:39,625 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 59 transitions. [2023-12-03 02:56:39,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-03 02:56:39,625 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:56:39,626 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:56:39,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:56:39,626 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:56:39,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2023-12-03 02:56:40,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:56:40,027 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:56:40,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:56:40,080 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 02:56:40,082 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:57:07,419 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 23 proven. 6 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-12-03 02:57:07,423 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2023-12-03 02:57:07,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:57:07,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 36 states and 59 transitions. [2023-12-03 02:57:07,438 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 59 transitions. [2023-12-03 02:57:07,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-03 02:57:07,439 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:57:07,439 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:57:07,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:57:07,440 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:57:07,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2023-12-03 02:57:07,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:57:07,897 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:57:07,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:57:07,948 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 02:57:07,949 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:57:37,114 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 23 proven. 6 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-12-03 02:57:37,118 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2023-12-03 02:57:37,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:57:37,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 36 states and 59 transitions. [2023-12-03 02:57:37,133 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 59 transitions. [2023-12-03 02:57:37,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-03 02:57:37,133 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:57:37,134 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:57:37,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:57:37,135 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:57:37,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2023-12-03 02:57:37,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:57:37,530 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:57:37,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:57:37,581 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 02:57:37,582 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:58:06,769 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 23 proven. 6 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-12-03 02:58:06,773 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2023-12-03 02:58:06,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:58:06,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 36 states and 59 transitions. [2023-12-03 02:58:06,788 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 59 transitions. [2023-12-03 02:58:06,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-03 02:58:06,788 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:58:06,789 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:58:06,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:58:06,789 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:58:06,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2023-12-03 02:58:07,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:58:07,193 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:58:07,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:58:07,249 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 02:58:07,250 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:58:35,964 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 23 proven. 6 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-12-03 02:58:35,968 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2023-12-03 02:58:35,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:58:35,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 36 states and 59 transitions. [2023-12-03 02:58:35,983 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 59 transitions. [2023-12-03 02:58:35,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-03 02:58:35,984 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:58:35,984 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:58:35,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:58:35,985 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:58:35,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6689ca8b-3752-43d7-805b-e52e05f20ce1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2023-12-03 02:58:36,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:58:36,400 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:58:36,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:58:36,461 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 02:58:36,463 INFO L285 TraceCheckSpWp]: Computing forward predicates...