./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/bitvector-regression/recHanoi03-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 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_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector-regression/recHanoi03-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk --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 5a58a565ed7a29809aaccd8966118196fec0a697f2fc6db04cc260beeab4df83 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:14:41,011 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:14:41,119 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 22:14:41,127 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:14:41,127 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:14:41,167 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:14:41,168 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:14:41,169 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:14:41,170 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:14:41,171 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:14:41,172 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:14:41,172 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:14:41,173 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:14:41,173 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:14:41,174 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:14:41,174 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:14:41,175 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:14:41,180 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:14:41,181 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:14:41,181 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:14:41,181 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:14:41,182 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:14:41,182 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:14:41,182 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:14:41,183 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:14:41,183 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:14:41,183 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:14:41,184 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:14:41,184 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:14:41,184 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:14:41,188 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:14:41,188 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:14:41,189 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:14:41,189 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_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5a58a565ed7a29809aaccd8966118196fec0a697f2fc6db04cc260beeab4df83 [2024-11-08 22:14:41,504 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:14:41,534 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:14:41,537 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:14:41,539 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:14:41,540 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:14:41,542 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/bitvector-regression/recHanoi03-1.c Unable to find full path for "g++" [2024-11-08 22:14:43,660 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:14:43,844 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:14:43,845 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/sv-benchmarks/c/bitvector-regression/recHanoi03-1.c [2024-11-08 22:14:43,852 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/data/c682ab870/670d4b7568cc447d9a500d4f94ac466d/FLAGaa18798cd [2024-11-08 22:14:43,866 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/data/c682ab870/670d4b7568cc447d9a500d4f94ac466d [2024-11-08 22:14:43,870 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:14:43,871 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:14:43,873 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:14:43,873 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:14:43,881 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:14:43,882 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:14:43" (1/1) ... [2024-11-08 22:14:43,884 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25d58ea9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:14:43, skipping insertion in model container [2024-11-08 22:14:43,884 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:14:43" (1/1) ... [2024-11-08 22:14:43,909 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:14:44,102 WARN L250 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_e059a7c9-3255-4482-9297-8e2eb924a7c4/sv-benchmarks/c/bitvector-regression/recHanoi03-1.c[838,851] [2024-11-08 22:14:44,108 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:14:44,124 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:14:44,140 WARN L250 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_e059a7c9-3255-4482-9297-8e2eb924a7c4/sv-benchmarks/c/bitvector-regression/recHanoi03-1.c[838,851] [2024-11-08 22:14:44,141 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:14:44,164 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:14:44,164 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:14:44 WrapperNode [2024-11-08 22:14:44,164 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:14:44,166 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:14:44,166 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:14:44,167 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:14:44,176 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:14:44" (1/1) ... [2024-11-08 22:14:44,186 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:14:44" (1/1) ... [2024-11-08 22:14:44,209 INFO L138 Inliner]: procedures = 13, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 37 [2024-11-08 22:14:44,209 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:14:44,211 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:14:44,211 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:14:44,211 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:14:44,227 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:14:44" (1/1) ... [2024-11-08 22:14:44,227 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:14:44" (1/1) ... [2024-11-08 22:14:44,230 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:14:44" (1/1) ... [2024-11-08 22:14:44,230 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:14:44" (1/1) ... [2024-11-08 22:14:44,235 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:14:44" (1/1) ... [2024-11-08 22:14:44,238 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:14:44" (1/1) ... [2024-11-08 22:14:44,239 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:14:44" (1/1) ... [2024-11-08 22:14:44,240 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:14:44" (1/1) ... [2024-11-08 22:14:44,247 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:14:44,248 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:14:44,248 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:14:44,248 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:14:44,249 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:14:44" (1/1) ... [2024-11-08 22:14:44,261 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:14:44,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:14:44,292 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:14:44,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:14:44,339 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:14:44,340 INFO L130 BoogieDeclarations]: Found specification of procedure hanoi [2024-11-08 22:14:44,340 INFO L138 BoogieDeclarations]: Found implementation of procedure hanoi [2024-11-08 22:14:44,341 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:14:44,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:14:44,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 22:14:44,421 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:14:44,426 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:14:44,563 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-11-08 22:14:44,564 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:14:44,639 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:14:44,640 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:14:44,640 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:14:44 BoogieIcfgContainer [2024-11-08 22:14:44,640 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:14:44,641 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:14:44,642 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:14:44,662 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:14:44,663 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:14:44" (1/1) ... [2024-11-08 22:14:44,674 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:14:44,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:14:44,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2024-11-08 22:14:44,730 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2024-11-08 22:14:44,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-08 22:14:44,736 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:14:44,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:14:44,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:14:44,886 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:14:44,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:14:45,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:14:45,010 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:14:45,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:14:45,044 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 22:14:45,080 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:14:45 ImpRootNode [2024-11-08 22:14:45,080 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:14:45,083 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:14:45,083 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:14:45,085 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:14:45,085 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:14:44" (3/4) ... [2024-11-08 22:14:45,088 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 22:14:45,090 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:14:45,091 INFO L158 Benchmark]: Toolchain (without parser) took 1219.77ms. Allocated memory is still 138.4MB. Free memory was 99.2MB in the beginning and 58.2MB in the end (delta: 41.0MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-08 22:14:45,092 INFO L158 Benchmark]: CDTParser took 0.80ms. Allocated memory is still 138.4MB. Free memory is still 85.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:14:45,094 INFO L158 Benchmark]: CACSL2BoogieTranslator took 292.49ms. Allocated memory is still 138.4MB. Free memory was 98.8MB in the beginning and 86.8MB in the end (delta: 12.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-08 22:14:45,095 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.36ms. Allocated memory is still 138.4MB. Free memory was 86.8MB in the beginning and 85.5MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:14:45,096 INFO L158 Benchmark]: Boogie Preprocessor took 36.03ms. Allocated memory is still 138.4MB. Free memory was 85.5MB in the beginning and 84.5MB in the end (delta: 925.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:14:45,098 INFO L158 Benchmark]: RCFGBuilder took 392.80ms. Allocated memory is still 138.4MB. Free memory was 84.1MB in the beginning and 72.1MB in the end (delta: 12.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-08 22:14:45,099 INFO L158 Benchmark]: CodeCheck took 439.15ms. Allocated memory is still 138.4MB. Free memory was 72.1MB in the beginning and 58.6MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 22:14:45,100 INFO L158 Benchmark]: Witness Printer took 7.61ms. Allocated memory is still 138.4MB. Free memory was 58.6MB in the beginning and 58.2MB in the end (delta: 388.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:14:45,103 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, 15 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, 10 NumberOfCodeBlocks, 10 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: 36]: 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 shiftLeft at line 33. Possible FailurePath: [L27] int n = __VERIFIER_nondet_int(); [L28] COND FALSE !(n < 1) VAL [n=1] [L31] CALL, EXPR hanoi(n) VAL [\old(n)=1] [L19] COND TRUE n == 1 [L20] return 1; VAL [\old(n)=1, \result=1] [L31] RET, EXPR hanoi(n) VAL [n=1] [L31] unsigned result = hanoi(n); [L33] result+1>0 && result+1 == 1<0 && result+1 == 1<0 && result+1 == 1< main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk 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 -> 5a58a565ed7a29809aaccd8966118196fec0a697f2fc6db04cc260beeab4df83 [2024-11-08 22:14:48,304 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:14:48,331 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:14:48,334 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:14:48,335 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:14:48,336 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:14:48,338 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/bitvector-regression/recHanoi03-1.c Unable to find full path for "g++" [2024-11-08 22:14:50,502 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:14:50,773 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:14:50,776 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/sv-benchmarks/c/bitvector-regression/recHanoi03-1.c [2024-11-08 22:14:50,785 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/data/13e8c1df1/3daaf27baa5a40e98544fc4f91bca80c/FLAGb89630eda [2024-11-08 22:14:51,083 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/data/13e8c1df1/3daaf27baa5a40e98544fc4f91bca80c [2024-11-08 22:14:51,085 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:14:51,086 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:14:51,088 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:14:51,088 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:14:51,093 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:14:51,094 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:14:51" (1/1) ... [2024-11-08 22:14:51,095 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8ef4a8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:14:51, skipping insertion in model container [2024-11-08 22:14:51,096 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:14:51" (1/1) ... [2024-11-08 22:14:51,121 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:14:51,335 WARN L250 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_e059a7c9-3255-4482-9297-8e2eb924a7c4/sv-benchmarks/c/bitvector-regression/recHanoi03-1.c[838,851] [2024-11-08 22:14:51,339 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:14:51,354 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:14:51,372 WARN L250 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_e059a7c9-3255-4482-9297-8e2eb924a7c4/sv-benchmarks/c/bitvector-regression/recHanoi03-1.c[838,851] [2024-11-08 22:14:51,373 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:14:51,392 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:14:51,393 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:14:51 WrapperNode [2024-11-08 22:14:51,393 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:14:51,394 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:14:51,394 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:14:51,395 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:14:51,403 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:14:51" (1/1) ... [2024-11-08 22:14:51,411 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:14:51" (1/1) ... [2024-11-08 22:14:51,429 INFO L138 Inliner]: procedures = 13, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 24 [2024-11-08 22:14:51,430 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:14:51,430 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:14:51,431 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:14:51,431 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:14:51,441 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:14:51" (1/1) ... [2024-11-08 22:14:51,441 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:14:51" (1/1) ... [2024-11-08 22:14:51,443 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:14:51" (1/1) ... [2024-11-08 22:14:51,443 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:14:51" (1/1) ... [2024-11-08 22:14:51,452 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:14:51" (1/1) ... [2024-11-08 22:14:51,454 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:14:51" (1/1) ... [2024-11-08 22:14:51,455 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:14:51" (1/1) ... [2024-11-08 22:14:51,458 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:14:51" (1/1) ... [2024-11-08 22:14:51,460 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:14:51,464 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:14:51,465 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:14:51,465 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:14:51,466 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:14:51" (1/1) ... [2024-11-08 22:14:51,479 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:14:51,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:14:51,507 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:14:51,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:14:51,548 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:14:51,549 INFO L130 BoogieDeclarations]: Found specification of procedure hanoi [2024-11-08 22:14:51,549 INFO L138 BoogieDeclarations]: Found implementation of procedure hanoi [2024-11-08 22:14:51,549 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:14:51,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:14:51,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 22:14:51,716 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:14:51,719 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:14:51,877 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-08 22:14:51,878 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:14:51,924 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:14:51,925 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:14:51,925 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:14:51 BoogieIcfgContainer [2024-11-08 22:14:51,925 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:14:51,926 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:14:51,927 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:14:51,938 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:14:51,940 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:14:51" (1/1) ... [2024-11-08 22:14:51,951 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:14:52,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:14:52,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2024-11-08 22:14:52,026 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2024-11-08 22:14:52,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-08 22:14:52,032 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:14:52,032 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:14:52,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:14:52,036 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:14:52,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 22:14:52,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:14:52,133 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:14:52,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:14:52,156 INFO L255 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 22:14:52,162 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:14:52,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:14:52,414 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 22:14:52,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:14:52,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 23 transitions. [2024-11-08 22:14:52,662 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2024-11-08 22:14:52,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-08 22:14:52,663 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:14:52,663 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:14:52,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:14:52,666 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:14:52,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-08 22:14:52,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:14:52,806 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:14:52,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:14:52,834 INFO L255 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-08 22:14:52,838 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:14:53,116 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 22:14:53,118 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2024-11-08 22:14:53,120 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-08 22:14:53,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:14:53,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 24 states and 30 transitions. [2024-11-08 22:14:53,638 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 30 transitions. [2024-11-08 22:14:53,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-08 22:14:53,639 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:14:53,639 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:14:53,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:14:53,642 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:14:53,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-08 22:14:53,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:14:53,720 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:14:53,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:14:53,750 INFO L255 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-08 22:14:53,752 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:14:54,039 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 22:14:54,044 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-08 22:14:54,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:14:54,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 37 transitions. [2024-11-08 22:14:54,744 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 37 transitions. [2024-11-08 22:14:54,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-08 22:14:54,747 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:14:54,747 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:14:54,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:14:54,750 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:14:54,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-08 22:14:54,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:14:54,838 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:14:54,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:14:54,864 INFO L255 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-08 22:14:54,867 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:14:55,203 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-08 22:14:55,207 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-08 22:14:56,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:14:56,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 34 states and 44 transitions. [2024-11-08 22:14:56,133 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 44 transitions. [2024-11-08 22:14:56,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-08 22:14:56,135 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:14:56,136 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:14:56,136 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:14:56,138 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:14:56,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-08 22:14:56,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:14:56,232 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:14:56,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:14:56,260 INFO L255 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-08 22:14:56,263 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:14:56,643 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-08 22:14:56,647 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-08 22:14:57,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:14:57,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 39 states and 51 transitions. [2024-11-08 22:14:57,721 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 51 transitions. [2024-11-08 22:14:57,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-08 22:14:57,722 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:14:57,722 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:14:57,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:14:57,725 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:14:57,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-08 22:14:57,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:14:57,793 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:14:57,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:14:57,818 INFO L255 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-08 22:14:57,821 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:14:58,303 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-08 22:14:58,308 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Exception during sending of exit command (exit): Broken pipe [2024-11-08 22:14:58,309 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-08 22:14:59,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:14:59,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 44 states and 58 transitions. [2024-11-08 22:14:59,512 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 58 transitions. [2024-11-08 22:14:59,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-08 22:14:59,514 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:14:59,514 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:14:59,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:14:59,517 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:14:59,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-08 22:14:59,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:14:59,609 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:14:59,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:14:59,648 INFO L255 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-08 22:14:59,654 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:15:00,162 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2024-11-08 22:15:00,167 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2024-11-08 22:15:01,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:15:01,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 49 states and 65 transitions. [2024-11-08 22:15:01,533 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 65 transitions. [2024-11-08 22:15:01,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-08 22:15:01,535 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:15:01,536 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:15:01,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:15:01,538 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:15:01,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-08 22:15:01,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:01,613 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:15:01,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:01,638 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-08 22:15:01,643 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:15:02,149 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2024-11-08 22:15:02,152 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-08 22:15:03,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:15:03,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 54 states and 72 transitions. [2024-11-08 22:15:03,756 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 72 transitions. [2024-11-08 22:15:03,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-08 22:15:03,757 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:15:03,757 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:15:03,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:15:03,761 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:15:03,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-08 22:15:03,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:03,850 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:15:03,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:03,878 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-11-08 22:15:03,882 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:15:04,466 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-11-08 22:15:04,470 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-11-08 22:15:06,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:15:06,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 59 states and 79 transitions. [2024-11-08 22:15:06,241 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 79 transitions. [2024-11-08 22:15:06,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-08 22:15:06,246 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:15:06,246 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:15:06,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:15:06,248 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:15:06,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-08 22:15:06,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:06,360 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:15:06,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:06,389 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 44 conjuncts are in the unsatisfiable core [2024-11-08 22:15:06,392 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:15:07,059 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2024-11-08 22:15:07,062 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (11)] Exception during sending of exit command (exit): Broken pipe [2024-11-08 22:15:07,063 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2024-11-08 22:15:08,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:15:08,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 64 states and 86 transitions. [2024-11-08 22:15:08,994 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 86 transitions. [2024-11-08 22:15:08,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-08 22:15:08,995 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:15:08,996 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:15:08,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:15:09,000 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:15:09,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-08 22:15:09,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:09,094 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:15:09,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:09,127 INFO L255 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-11-08 22:15:09,131 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:15:09,845 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 155 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2024-11-08 22:15:09,847 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2024-11-08 22:15:12,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:15:12,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 69 states and 93 transitions. [2024-11-08 22:15:12,017 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 93 transitions. [2024-11-08 22:15:12,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-08 22:15:12,019 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:15:12,020 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:15:12,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:15:12,022 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:15:12,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-08 22:15:12,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:12,117 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:15:12,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:12,144 INFO L255 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 52 conjuncts are in the unsatisfiable core [2024-11-08 22:15:12,146 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:15:12,898 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 0 proven. 187 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2024-11-08 22:15:12,902 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (13)] Forceful destruction successful, exit code 0 [2024-11-08 22:15:15,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:15:15,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 74 states and 100 transitions. [2024-11-08 22:15:15,412 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 100 transitions. [2024-11-08 22:15:15,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-08 22:15:15,414 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:15:15,414 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:15:15,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:15:15,421 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:15:15,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-08 22:15:15,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:15,537 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:15:15,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:15,572 INFO L255 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 56 conjuncts are in the unsatisfiable core [2024-11-08 22:15:15,575 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:15:16,398 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 0 proven. 222 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2024-11-08 22:15:16,400 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-11-08 22:15:19,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:15:19,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 79 states and 107 transitions. [2024-11-08 22:15:19,127 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 107 transitions. [2024-11-08 22:15:19,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-08 22:15:19,128 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:15:19,128 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:15:19,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:15:19,132 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:15:19,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-08 22:15:19,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:19,231 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:15:19,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:19,268 INFO L255 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 60 conjuncts are in the unsatisfiable core [2024-11-08 22:15:19,271 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:15:20,153 INFO L134 CoverageAnalysis]: Checked inductivity of 520 backedges. 0 proven. 260 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2024-11-08 22:15:20,157 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (15)] Forceful destruction successful, exit code 0 [2024-11-08 22:15:23,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:15:23,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 84 states and 114 transitions. [2024-11-08 22:15:23,343 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 114 transitions. [2024-11-08 22:15:23,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-08 22:15:23,344 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:15:23,344 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:15:23,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:15:23,348 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:15:23,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-08 22:15:23,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:23,455 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:15:23,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:23,493 INFO L255 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 64 conjuncts are in the unsatisfiable core [2024-11-08 22:15:23,496 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:15:24,442 INFO L134 CoverageAnalysis]: Checked inductivity of 602 backedges. 0 proven. 301 refuted. 0 times theorem prover too weak. 301 trivial. 0 not checked. [2024-11-08 22:15:24,447 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (16)] Forceful destruction successful, exit code 0 [2024-11-08 22:15:27,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:15:27,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 89 states and 121 transitions. [2024-11-08 22:15:27,823 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 121 transitions. [2024-11-08 22:15:27,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-08 22:15:27,824 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:15:27,825 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:15:27,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:15:27,829 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:15:27,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-08 22:15:27,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:27,958 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:15:27,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:27,995 INFO L255 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 68 conjuncts are in the unsatisfiable core [2024-11-08 22:15:27,998 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:15:29,029 INFO L134 CoverageAnalysis]: Checked inductivity of 690 backedges. 0 proven. 345 refuted. 0 times theorem prover too weak. 345 trivial. 0 not checked. [2024-11-08 22:15:29,032 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (17)] Forceful destruction successful, exit code 0 [2024-11-08 22:15:32,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:15:32,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 94 states and 128 transitions. [2024-11-08 22:15:32,870 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 128 transitions. [2024-11-08 22:15:32,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-08 22:15:32,872 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:15:32,872 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:15:32,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:15:32,878 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:15:32,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-11-08 22:15:33,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:33,049 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:15:33,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:33,097 INFO L255 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 72 conjuncts are in the unsatisfiable core [2024-11-08 22:15:33,101 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:15:34,332 INFO L134 CoverageAnalysis]: Checked inductivity of 784 backedges. 0 proven. 392 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2024-11-08 22:15:34,335 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-11-08 22:15:38,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:15:38,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 99 states and 135 transitions. [2024-11-08 22:15:38,437 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 135 transitions. [2024-11-08 22:15:38,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-11-08 22:15:38,438 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:15:38,439 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:15:38,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:15:38,440 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:15:38,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-11-08 22:15:38,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:38,565 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:15:38,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:38,613 INFO L255 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 76 conjuncts are in the unsatisfiable core [2024-11-08 22:15:38,618 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:15:39,836 INFO L134 CoverageAnalysis]: Checked inductivity of 884 backedges. 0 proven. 442 refuted. 0 times theorem prover too weak. 442 trivial. 0 not checked. [2024-11-08 22:15:39,838 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (19)] Forceful destruction successful, exit code 0 [2024-11-08 22:15:44,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:15:44,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 104 states and 142 transitions. [2024-11-08 22:15:44,229 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 142 transitions. [2024-11-08 22:15:44,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-08 22:15:44,230 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:15:44,230 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:15:44,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:15:44,232 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:15:44,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-11-08 22:15:44,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:44,359 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:15:44,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:44,401 INFO L255 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 80 conjuncts are in the unsatisfiable core [2024-11-08 22:15:44,404 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:15:45,684 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 495 refuted. 0 times theorem prover too weak. 495 trivial. 0 not checked. [2024-11-08 22:15:45,687 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-11-08 22:15:50,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:15:50,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 109 states and 149 transitions. [2024-11-08 22:15:50,432 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 149 transitions. [2024-11-08 22:15:50,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-08 22:15:50,433 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:15:50,433 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:15:50,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:15:50,435 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:15:50,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-11-08 22:15:50,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:50,596 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:15:50,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:50,644 INFO L255 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 84 conjuncts are in the unsatisfiable core [2024-11-08 22:15:50,647 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:15:52,001 INFO L134 CoverageAnalysis]: Checked inductivity of 1102 backedges. 0 proven. 551 refuted. 0 times theorem prover too weak. 551 trivial. 0 not checked. [2024-11-08 22:15:52,004 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-11-08 22:15:57,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:15:57,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 114 states and 156 transitions. [2024-11-08 22:15:57,240 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 156 transitions. [2024-11-08 22:15:57,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-08 22:15:57,241 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:15:57,241 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:15:57,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:15:57,244 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:15:57,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-11-08 22:15:57,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:57,417 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:15:57,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:57,459 INFO L255 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 88 conjuncts are in the unsatisfiable core [2024-11-08 22:15:57,465 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:15:58,909 INFO L134 CoverageAnalysis]: Checked inductivity of 1220 backedges. 0 proven. 610 refuted. 0 times theorem prover too weak. 610 trivial. 0 not checked. [2024-11-08 22:15:58,912 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2024-11-08 22:16:04,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:16:04,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 119 states and 163 transitions. [2024-11-08 22:16:04,499 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 163 transitions. [2024-11-08 22:16:04,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-08 22:16:04,500 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:16:04,500 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:16:04,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:16:04,503 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:16:04,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-11-08 22:16:04,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:04,637 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:16:04,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:04,680 INFO L255 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 92 conjuncts are in the unsatisfiable core [2024-11-08 22:16:04,686 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:16:06,195 INFO L134 CoverageAnalysis]: Checked inductivity of 1344 backedges. 0 proven. 672 refuted. 0 times theorem prover too weak. 672 trivial. 0 not checked. [2024-11-08 22:16:06,198 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (23)] Forceful destruction successful, exit code 0 [2024-11-08 22:16:11,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:16:11,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 124 states and 170 transitions. [2024-11-08 22:16:11,978 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 170 transitions. [2024-11-08 22:16:11,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-08 22:16:11,979 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:16:11,979 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:16:11,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:16:11,983 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:16:11,985 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-11-08 22:16:12,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:12,155 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:16:12,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:12,205 INFO L255 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 96 conjuncts are in the unsatisfiable core [2024-11-08 22:16:12,209 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:16:13,952 INFO L134 CoverageAnalysis]: Checked inductivity of 1474 backedges. 0 proven. 737 refuted. 0 times theorem prover too weak. 737 trivial. 0 not checked. [2024-11-08 22:16:13,955 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (24)] Forceful destruction successful, exit code 0 [2024-11-08 22:16:20,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:16:20,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 129 states and 177 transitions. [2024-11-08 22:16:20,125 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 177 transitions. [2024-11-08 22:16:20,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-08 22:16:20,126 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:16:20,126 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:16:20,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:16:20,127 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:16:20,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-11-08 22:16:20,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:20,275 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:16:20,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:20,323 INFO L255 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 100 conjuncts are in the unsatisfiable core [2024-11-08 22:16:20,326 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:16:22,005 INFO L134 CoverageAnalysis]: Checked inductivity of 1610 backedges. 0 proven. 805 refuted. 0 times theorem prover too weak. 805 trivial. 0 not checked. [2024-11-08 22:16:22,008 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2024-11-08 22:16:28,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:16:28,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 134 states and 184 transitions. [2024-11-08 22:16:28,778 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 184 transitions. [2024-11-08 22:16:28,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-08 22:16:28,779 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:16:28,779 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:16:28,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:16:28,782 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:16:28,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-11-08 22:16:28,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:28,934 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:16:28,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:28,983 INFO L255 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 104 conjuncts are in the unsatisfiable core [2024-11-08 22:16:28,989 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:16:30,808 INFO L134 CoverageAnalysis]: Checked inductivity of 1752 backedges. 0 proven. 876 refuted. 0 times theorem prover too weak. 876 trivial. 0 not checked. [2024-11-08 22:16:30,811 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (26)] Forceful destruction successful, exit code 0 [2024-11-08 22:16:37,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:16:37,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 139 states and 191 transitions. [2024-11-08 22:16:37,952 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 191 transitions. [2024-11-08 22:16:37,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-08 22:16:37,952 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:16:37,953 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:16:37,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:16:37,954 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:16:37,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-11-08 22:16:38,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:38,148 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:16:38,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:38,212 INFO L255 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 108 conjuncts are in the unsatisfiable core [2024-11-08 22:16:38,219 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:16:40,069 INFO L134 CoverageAnalysis]: Checked inductivity of 1900 backedges. 0 proven. 950 refuted. 0 times theorem prover too weak. 950 trivial. 0 not checked. [2024-11-08 22:16:40,072 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2024-11-08 22:16:47,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:16:47,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 144 states and 198 transitions. [2024-11-08 22:16:47,528 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 198 transitions. [2024-11-08 22:16:47,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-08 22:16:47,529 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:16:47,529 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:16:47,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:16:47,530 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:16:47,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-11-08 22:16:47,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:47,685 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:16:47,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:47,737 INFO L255 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 112 conjuncts are in the unsatisfiable core [2024-11-08 22:16:47,742 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:16:49,743 INFO L134 CoverageAnalysis]: Checked inductivity of 2054 backedges. 0 proven. 1027 refuted. 0 times theorem prover too weak. 1027 trivial. 0 not checked. [2024-11-08 22:16:49,746 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (28)] Forceful destruction successful, exit code 0 [2024-11-08 22:16:57,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:16:57,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 149 states and 205 transitions. [2024-11-08 22:16:57,754 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 205 transitions. [2024-11-08 22:16:57,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2024-11-08 22:16:57,755 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:16:57,755 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:16:57,755 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:16:57,759 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:16:57,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-11-08 22:16:57,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:57,934 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:16:58,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:58,008 INFO L255 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 116 conjuncts are in the unsatisfiable core [2024-11-08 22:16:58,014 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:17:00,128 INFO L134 CoverageAnalysis]: Checked inductivity of 2214 backedges. 0 proven. 1107 refuted. 0 times theorem prover too weak. 1107 trivial. 0 not checked. [2024-11-08 22:17:00,131 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2024-11-08 22:17:08,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:17:08,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 154 states and 212 transitions. [2024-11-08 22:17:08,899 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 212 transitions. [2024-11-08 22:17:08,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-11-08 22:17:08,900 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:17:08,900 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:17:08,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:17:08,906 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:17:08,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-11-08 22:17:09,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:09,075 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:17:09,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:09,153 INFO L255 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 120 conjuncts are in the unsatisfiable core [2024-11-08 22:17:09,159 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:17:11,365 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 0 proven. 1190 refuted. 0 times theorem prover too weak. 1190 trivial. 0 not checked. [2024-11-08 22:17:11,368 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (30)] Forceful destruction successful, exit code 0 [2024-11-08 22:17:20,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:17:20,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 159 states and 219 transitions. [2024-11-08 22:17:20,520 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 219 transitions. [2024-11-08 22:17:20,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-11-08 22:17:20,521 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:17:20,521 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:17:20,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:17:20,522 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:17:20,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-11-08 22:17:20,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:20,733 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:17:20,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:20,796 INFO L255 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 124 conjuncts are in the unsatisfiable core [2024-11-08 22:17:20,801 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:17:23,228 INFO L134 CoverageAnalysis]: Checked inductivity of 2552 backedges. 0 proven. 1276 refuted. 0 times theorem prover too weak. 1276 trivial. 0 not checked. [2024-11-08 22:17:23,231 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2024-11-08 22:17:32,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:17:32,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 164 states and 226 transitions. [2024-11-08 22:17:32,658 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 226 transitions. [2024-11-08 22:17:32,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-08 22:17:32,659 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:17:32,660 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:17:32,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:17:32,664 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:17:32,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-11-08 22:17:32,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:32,923 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:17:32,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:32,986 INFO L255 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 128 conjuncts are in the unsatisfiable core [2024-11-08 22:17:32,990 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:17:35,366 INFO L134 CoverageAnalysis]: Checked inductivity of 2730 backedges. 0 proven. 1365 refuted. 0 times theorem prover too weak. 1365 trivial. 0 not checked. [2024-11-08 22:17:35,369 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2024-11-08 22:17:45,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:17:45,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 169 states and 233 transitions. [2024-11-08 22:17:45,400 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 233 transitions. [2024-11-08 22:17:45,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2024-11-08 22:17:45,400 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:17:45,401 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:17:45,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:17:45,402 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:17:45,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2024-11-08 22:17:45,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:17:45,600 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:17:45,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:17:45,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:17:45,961 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:17:46,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:17:46,062 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2024-11-08 22:17:46,062 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 32 iterations. [2024-11-08 22:17:46,156 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:17:46 ImpRootNode [2024-11-08 22:17:46,156 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:17:46,157 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:17:46,157 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:17:46,157 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:17:46,158 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:14:51" (3/4) ... [2024-11-08 22:17:46,160 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-08 22:17:46,251 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e059a7c9-3255-4482-9297-8e2eb924a7c4/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-08 22:17:46,251 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:17:46,252 INFO L158 Benchmark]: Toolchain (without parser) took 175165.28ms. Allocated memory was 73.4MB in the beginning and 497.0MB in the end (delta: 423.6MB). Free memory was 49.0MB in the beginning and 267.6MB in the end (delta: -218.6MB). Peak memory consumption was 206.7MB. Max. memory is 16.1GB. [2024-11-08 22:17:46,252 INFO L158 Benchmark]: CDTParser took 0.74ms. Allocated memory is still 73.4MB. Free memory was 49.0MB in the beginning and 48.9MB in the end (delta: 92.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:17:46,252 INFO L158 Benchmark]: CACSL2BoogieTranslator took 305.83ms. Allocated memory is still 73.4MB. Free memory was 48.8MB in the beginning and 36.5MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 22:17:46,253 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.59ms. Allocated memory is still 73.4MB. Free memory was 36.3MB in the beginning and 35.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:17:46,253 INFO L158 Benchmark]: Boogie Preprocessor took 33.24ms. Allocated memory is still 73.4MB. Free memory was 35.0MB in the beginning and 33.8MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:17:46,253 INFO L158 Benchmark]: RCFGBuilder took 461.03ms. Allocated memory is still 73.4MB. Free memory was 33.8MB in the beginning and 44.0MB in the end (delta: -10.2MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. [2024-11-08 22:17:46,254 INFO L158 Benchmark]: CodeCheck took 174230.39ms. Allocated memory was 73.4MB in the beginning and 497.0MB in the end (delta: 423.6MB). Free memory was 43.7MB in the beginning and 271.8MB in the end (delta: -228.0MB). Peak memory consumption was 198.7MB. Max. memory is 16.1GB. [2024-11-08 22:17:46,255 INFO L158 Benchmark]: Witness Printer took 94.10ms. Allocated memory is still 497.0MB. Free memory was 271.8MB in the beginning and 267.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 22:17:46,257 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, 15 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 174.1s, OverallIterations: 32, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1718 SdHoareTripleChecker+Valid, 99.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1052 mSDsluCounter, 2323 SdHoareTripleChecker+Invalid, 88.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1922 mSDsCounter, 20336 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 28421 IncrementalHoareTripleChecker+Invalid, 48757 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 20336 mSolverCounterUnsat, 401 mSDtfsCounter, 28421 mSolverCounterSat, 1.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 24937 GetRequests, 23084 SyntacticMatches, 1365 SemanticMatches, 488 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111716 ImplicationChecksByTransitivity, 144.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.3s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 35.9s InterpolantComputationTime, 3296 NumberOfCodeBlocks, 3296 NumberOfCodeBlocksAsserted, 32 NumberOfCheckSat, 3069 ConstructedInterpolants, 0 QuantifiedInterpolants, 14198 SizeOfPredicates, 465 NumberOfNonLiveVariables, 4464 ConjunctsInSsa, 2108 ConjunctsInUnsatCore, 31 InterpolantComputations, 1 PerfectInterpolantSequences, 14415/28830 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 - CounterExampleResult [Line: 36]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L27] int n = __VERIFIER_nondet_int(); [L28] COND FALSE !(n < 1) VAL [n=32] [L31] CALL, EXPR hanoi(n) VAL [\old(n)=32] [L19] COND FALSE !(n == 1) VAL [\old(n)=32, n=32] [L22] CALL, EXPR hanoi(n-1) VAL [\old(n)=31] [L19] COND FALSE !(n == 1) VAL [\old(n)=31, n=31] [L22] CALL, EXPR hanoi(n-1) VAL [\old(n)=30] [L19] COND FALSE !(n == 1) VAL [\old(n)=30, n=30] [L22] CALL, EXPR hanoi(n-1) VAL [\old(n)=29] [L19] COND FALSE !(n == 1) VAL [\old(n)=29, n=29] [L22] CALL, EXPR hanoi(n-1) VAL [\old(n)=28] [L19] COND FALSE !(n == 1) VAL [\old(n)=28, n=28] [L22] CALL, EXPR hanoi(n-1) VAL [\old(n)=27] [L19] COND FALSE !(n == 1) VAL [\old(n)=27, n=27] [L22] CALL, EXPR hanoi(n-1) VAL [\old(n)=26] [L19] COND FALSE !(n == 1) VAL [\old(n)=26, n=26] [L22] CALL, EXPR hanoi(n-1) VAL [\old(n)=25] [L19] COND FALSE !(n == 1) VAL [\old(n)=25, n=25] [L22] CALL, EXPR hanoi(n-1) VAL [\old(n)=24] [L19] COND FALSE !(n == 1) VAL [\old(n)=24, n=24] [L22] CALL, EXPR hanoi(n-1) VAL [\old(n)=23] [L19] COND FALSE !(n == 1) VAL [\old(n)=23, n=23] [L22] CALL, EXPR hanoi(n-1) VAL [\old(n)=22] [L19] COND FALSE !(n == 1) VAL [\old(n)=22, n=22] [L22] CALL, EXPR hanoi(n-1) VAL [\old(n)=21] [L19] COND FALSE !(n == 1) VAL [\old(n)=21, n=21] [L22] CALL, EXPR hanoi(n-1) VAL [\old(n)=20] [L19] COND FALSE !(n == 1) VAL [\old(n)=20, n=20] [L22] CALL, EXPR hanoi(n-1) VAL [\old(n)=19] [L19] COND FALSE !(n == 1) VAL [\old(n)=19, n=19] [L22] CALL, EXPR hanoi(n-1) VAL [\old(n)=18] [L19] COND FALSE !(n == 1) VAL [\old(n)=18, n=18] [L22] CALL, EXPR hanoi(n-1) VAL [\old(n)=17] [L19] COND FALSE !(n == 1) VAL [\old(n)=17, n=17] [L22] CALL, EXPR hanoi(n-1) VAL [\old(n)=16] [L19] COND FALSE !(n == 1) VAL [\old(n)=16, n=16] [L22] CALL, EXPR hanoi(n-1) VAL [\old(n)=15] [L19] COND FALSE !(n == 1) VAL [\old(n)=15, n=15] [L22] CALL, EXPR hanoi(n-1) VAL [\old(n)=14] [L19] COND FALSE !(n == 1) VAL [\old(n)=14, n=14] [L22] CALL, EXPR hanoi(n-1) VAL [\old(n)=13] [L19] COND FALSE !(n == 1) VAL [\old(n)=13, n=13] [L22] CALL, EXPR hanoi(n-1) VAL [\old(n)=12] [L19] COND FALSE !(n == 1) VAL [\old(n)=12, n=12] [L22] CALL, EXPR hanoi(n-1) VAL [\old(n)=11] [L19] COND FALSE !(n == 1) VAL [\old(n)=11, n=11] [L22] CALL, EXPR hanoi(n-1) VAL [\old(n)=10] [L19] COND FALSE !(n == 1) VAL [\old(n)=10, n=10] [L22] CALL, EXPR hanoi(n-1) VAL [\old(n)=9] [L19] COND FALSE !(n == 1) VAL [\old(n)=9, n=9] [L22] CALL, EXPR hanoi(n-1) VAL [\old(n)=8] [L19] COND FALSE !(n == 1) VAL [\old(n)=8, n=8] [L22] CALL, EXPR hanoi(n-1) VAL [\old(n)=7] [L19] COND FALSE !(n == 1) VAL [\old(n)=7, n=7] [L22] CALL, EXPR hanoi(n-1) VAL [\old(n)=6] [L19] COND FALSE !(n == 1) VAL [\old(n)=6, n=6] [L22] CALL, EXPR hanoi(n-1) VAL [\old(n)=5] [L19] COND FALSE !(n == 1) VAL [\old(n)=5, n=5] [L22] CALL, EXPR hanoi(n-1) VAL [\old(n)=4] [L19] COND FALSE !(n == 1) VAL [\old(n)=4, n=4] [L22] CALL, EXPR hanoi(n-1) VAL [\old(n)=3] [L19] COND FALSE !(n == 1) VAL [\old(n)=3, n=3] [L22] CALL, EXPR hanoi(n-1) VAL [\old(n)=2] [L19] COND FALSE !(n == 1) VAL [\old(n)=2, n=2] [L22] CALL, EXPR hanoi(n-1) VAL [\old(n)=1] [L19] COND TRUE n == 1 [L20] return 1; VAL [\old(n)=1, \result=1] [L22] RET, EXPR hanoi(n-1) VAL [\old(n)=2, n=2] [L22] return 2 * (hanoi(n-1)) + 1; [L22] RET, EXPR hanoi(n-1) VAL [\old(n)=3, n=3] [L22] return 2 * (hanoi(n-1)) + 1; [L22] RET, EXPR hanoi(n-1) VAL [\old(n)=4, n=4] [L22] return 2 * (hanoi(n-1)) + 1; [L22] RET, EXPR hanoi(n-1) VAL [\old(n)=5, n=5] [L22] return 2 * (hanoi(n-1)) + 1; [L22] RET, EXPR hanoi(n-1) VAL [\old(n)=6, n=6] [L22] return 2 * (hanoi(n-1)) + 1; [L22] RET, EXPR hanoi(n-1) VAL [\old(n)=7, n=7] [L22] return 2 * (hanoi(n-1)) + 1; [L22] RET, EXPR hanoi(n-1) VAL [\old(n)=8, n=8] [L22] return 2 * (hanoi(n-1)) + 1; [L22] RET, EXPR hanoi(n-1) VAL [\old(n)=9, n=9] [L22] return 2 * (hanoi(n-1)) + 1; [L22] RET, EXPR hanoi(n-1) VAL [\old(n)=10, n=10] [L22] return 2 * (hanoi(n-1)) + 1; [L22] RET, EXPR hanoi(n-1) VAL [\old(n)=11, n=11] [L22] return 2 * (hanoi(n-1)) + 1; [L22] RET, EXPR hanoi(n-1) VAL [\old(n)=12, n=12] [L22] return 2 * (hanoi(n-1)) + 1; [L22] RET, EXPR hanoi(n-1) VAL [\old(n)=13, n=13] [L22] return 2 * (hanoi(n-1)) + 1; [L22] RET, EXPR hanoi(n-1) VAL [\old(n)=14, n=14] [L22] return 2 * (hanoi(n-1)) + 1; [L22] RET, EXPR hanoi(n-1) VAL [\old(n)=15, n=15] [L22] return 2 * (hanoi(n-1)) + 1; [L22] RET, EXPR hanoi(n-1) VAL [\old(n)=16, n=16] [L22] return 2 * (hanoi(n-1)) + 1; [L22] RET, EXPR hanoi(n-1) VAL [\old(n)=17, n=17] [L22] return 2 * (hanoi(n-1)) + 1; [L22] RET, EXPR hanoi(n-1) VAL [\old(n)=18, n=18] [L22] return 2 * (hanoi(n-1)) + 1; [L22] RET, EXPR hanoi(n-1) VAL [\old(n)=19, n=19] [L22] return 2 * (hanoi(n-1)) + 1; [L22] RET, EXPR hanoi(n-1) VAL [\old(n)=20, n=20] [L22] return 2 * (hanoi(n-1)) + 1; [L22] RET, EXPR hanoi(n-1) VAL [\old(n)=21, n=21] [L22] return 2 * (hanoi(n-1)) + 1; [L22] RET, EXPR hanoi(n-1) VAL [\old(n)=22, n=22] [L22] return 2 * (hanoi(n-1)) + 1; [L22] RET, EXPR hanoi(n-1) VAL [\old(n)=23, n=23] [L22] return 2 * (hanoi(n-1)) + 1; [L22] RET, EXPR hanoi(n-1) VAL [\old(n)=24, n=24] [L22] return 2 * (hanoi(n-1)) + 1; [L22] RET, EXPR hanoi(n-1) VAL [\old(n)=25, n=25] [L22] return 2 * (hanoi(n-1)) + 1; [L22] RET, EXPR hanoi(n-1) VAL [\old(n)=26, n=26] [L22] return 2 * (hanoi(n-1)) + 1; [L22] RET, EXPR hanoi(n-1) VAL [\old(n)=27, n=27] [L22] return 2 * (hanoi(n-1)) + 1; [L22] RET, EXPR hanoi(n-1) VAL [\old(n)=28, n=28] [L22] return 2 * (hanoi(n-1)) + 1; [L22] RET, EXPR hanoi(n-1) VAL [\old(n)=29, n=29] [L22] return 2 * (hanoi(n-1)) + 1; [L22] RET, EXPR hanoi(n-1) VAL [\old(n)=30, n=30] [L22] return 2 * (hanoi(n-1)) + 1; [L22] RET, EXPR hanoi(n-1) VAL [\old(n)=31, n=31] [L22] return 2 * (hanoi(n-1)) + 1; [L22] RET, EXPR hanoi(n-1) VAL [\old(n)=32, n=32] [L22] return 2 * (hanoi(n-1)) + 1; [L31] RET, EXPR hanoi(n) VAL [n=32] [L31] unsigned result = hanoi(n); [L33] COND FALSE !(result+1>0 && result+1 == 1<