./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.8.prop1-func-interl.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.8.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 58eb58cb5c8fae443da843d32db0bd9b25c33d5587a82bee515f6a22a1baa423 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:11:35,574 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:11:35,637 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-12-03 00:11:35,641 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 00:11:35,642 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 00:11:35,662 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:11:35,663 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 00:11:35,664 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 00:11:35,664 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:11:35,665 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:11:35,665 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:11:35,666 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 00:11:35,666 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 00:11:35,667 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:11:35,667 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 00:11:35,668 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:11:35,668 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 00:11:35,669 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 00:11:35,669 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:11:35,670 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:11:35,671 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:11:35,671 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:11:35,672 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:11:35,672 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:11:35,673 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:11:35,673 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:11:35,674 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 00:11:35,674 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 00:11:35,674 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 00:11:35,675 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 00:11:35,675 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_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 58eb58cb5c8fae443da843d32db0bd9b25c33d5587a82bee515f6a22a1baa423 [2023-12-03 00:11:35,889 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:11:35,910 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:11:35,912 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:11:35,914 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:11:35,914 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:11:35,916 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.8.prop1-func-interl.c [2023-12-03 00:11:38,623 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:11:38,956 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:11:38,957 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.8.prop1-func-interl.c [2023-12-03 00:11:38,976 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/data/fa0950e6a/c1dc71b5ee8a4ad884279a5ef6941fc1/FLAG6f9aa8d1f [2023-12-03 00:11:38,989 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/data/fa0950e6a/c1dc71b5ee8a4ad884279a5ef6941fc1 [2023-12-03 00:11:38,991 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:11:38,993 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:11:38,994 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:11:38,995 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:11:38,998 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:11:38,999 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:11:38" (1/1) ... [2023-12-03 00:11:39,000 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@645a1450 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:11:39, skipping insertion in model container [2023-12-03 00:11:39,000 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:11:38" (1/1) ... [2023-12-03 00:11:39,095 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:11:39,277 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.8.prop1-func-interl.c[1175,1188] [2023-12-03 00:11:39,827 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:11:39,839 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:11:39,857 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.8.prop1-func-interl.c[1175,1188] [2023-12-03 00:11:40,222 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:11:40,238 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:11:40,239 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:11:40 WrapperNode [2023-12-03 00:11:40,239 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:11:40,240 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:11:40,240 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:11:40,240 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:11:40,249 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:11:40" (1/1) ... [2023-12-03 00:11:40,385 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:11:40" (1/1) ... [2023-12-03 00:11:41,453 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 14028 [2023-12-03 00:11:41,453 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:11:41,454 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:11:41,454 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:11:41,454 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:11:41,461 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:11:40" (1/1) ... [2023-12-03 00:11:41,461 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:11:40" (1/1) ... [2023-12-03 00:11:41,769 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:11:40" (1/1) ... [2023-12-03 00:11:41,770 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:11:40" (1/1) ... [2023-12-03 00:11:42,067 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:11:40" (1/1) ... [2023-12-03 00:11:42,127 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:11:40" (1/1) ... [2023-12-03 00:11:42,221 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:11:40" (1/1) ... [2023-12-03 00:11:42,268 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:11:40" (1/1) ... [2023-12-03 00:11:42,474 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:11:42,475 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:11:42,476 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:11:42,476 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:11:42,477 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:11:40" (1/1) ... [2023-12-03 00:11:42,483 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:11:42,592 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:11:42,604 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:11:42,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:11:42,640 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:11:42,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 00:11:42,640 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:11:42,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:11:43,344 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:11:43,346 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:11:51,664 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:12:13,000 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 00:12:13,001 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 00:12:13,002 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:12:13 BoogieIcfgContainer [2023-12-03 00:12:13,002 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 00:12:13,003 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 00:12:13,003 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 00:12:13,011 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 00:12:13,011 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:12:13" (1/1) ... [2023-12-03 00:12:13,018 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 00:12:13,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:12:13,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-03 00:12:13,065 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-03 00:12:13,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 00:12:13,067 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:12:13,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:12:13,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:12:13,770 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 00:12:14,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:12:15,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:12:15,103 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 00:12:15,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 00:12:16,269 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 00:12:16,313 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-12-03 00:12:16,326 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 12:12:16 ImpRootNode [2023-12-03 00:12:16,326 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 00:12:16,327 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 00:12:16,327 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 00:12:16,327 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 00:12:16,327 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:12:13" (3/4) ... [2023-12-03 00:12:16,329 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 00:12:16,330 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 00:12:16,331 INFO L158 Benchmark]: Toolchain (without parser) took 37337.89ms. Allocated memory was 134.2MB in the beginning and 6.1GB in the end (delta: 5.9GB). Free memory was 96.7MB in the beginning and 4.8GB in the end (delta: -4.7GB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. [2023-12-03 00:12:16,331 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 134.2MB. Free memory was 104.2MB in the beginning and 104.2MB in the end (delta: 27.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:12:16,332 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1244.82ms. Allocated memory was 134.2MB in the beginning and 174.1MB in the end (delta: 39.8MB). Free memory was 96.1MB in the beginning and 70.9MB in the end (delta: 25.3MB). Peak memory consumption was 87.4MB. Max. memory is 16.1GB. [2023-12-03 00:12:16,333 INFO L158 Benchmark]: Boogie Procedure Inliner took 1212.97ms. Allocated memory was 174.1MB in the beginning and 484.4MB in the end (delta: 310.4MB). Free memory was 70.9MB in the beginning and 208.2MB in the end (delta: -137.3MB). Peak memory consumption was 178.3MB. Max. memory is 16.1GB. [2023-12-03 00:12:16,333 INFO L158 Benchmark]: Boogie Preprocessor took 1021.02ms. Allocated memory is still 484.4MB. Free memory was 208.2MB in the beginning and 137.7MB in the end (delta: 70.5MB). Peak memory consumption was 86.2MB. Max. memory is 16.1GB. [2023-12-03 00:12:16,334 INFO L158 Benchmark]: RCFGBuilder took 30526.95ms. Allocated memory was 484.4MB in the beginning and 6.1GB in the end (delta: 5.6GB). Free memory was 137.7MB in the beginning and 5.1GB in the end (delta: -4.9GB). Peak memory consumption was 1.8GB. Max. memory is 16.1GB. [2023-12-03 00:12:16,334 INFO L158 Benchmark]: CodeCheck took 3322.90ms. Allocated memory is still 6.1GB. Free memory was 5.1GB in the beginning and 4.8GB in the end (delta: 254.8MB). Peak memory consumption was 255.9MB. Max. memory is 16.1GB. [2023-12-03 00:12:16,335 INFO L158 Benchmark]: Witness Printer took 3.70ms. Allocated memory is still 6.1GB. Free memory is still 4.8GB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:12:16,338 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.2s, 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: 0.3s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 21]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of bitwiseAnd at line 271. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L29] const SORT_2 mask_SORT_2 = (SORT_2)-1 >> (sizeof(SORT_2) * 8 - 8); [L30] const SORT_2 msb_SORT_2 = (SORT_2)1 << (8 - 1); [L32] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 24); [L33] const SORT_3 msb_SORT_3 = (SORT_3)1 << (24 - 1); [L35] const SORT_4 mask_SORT_4 = (SORT_4)-1 >> (sizeof(SORT_4) * 8 - 32); [L36] const SORT_4 msb_SORT_4 = (SORT_4)1 << (32 - 1); [L38] const SORT_2 var_5 = 0; [L39] const SORT_1 var_36 = 0; [L40] const SORT_4 var_109 = 1; [L41] const SORT_4 var_110 = 0; [L42] const SORT_2 var_127 = 1; [L43] const SORT_3 var_129 = 0; [L44] const SORT_4 var_132 = 7; [L45] const SORT_2 var_136 = 0; [L46] const SORT_4 var_254 = 2; [L47] const SORT_2 var_257 = 2; [L48] const SORT_4 var_299 = 3; [L49] const SORT_2 var_302 = 3; [L50] const SORT_4 var_344 = 4; [L51] const SORT_2 var_347 = 4; [L52] const SORT_4 var_389 = 5; [L53] const SORT_2 var_392 = 5; [L54] const SORT_4 var_434 = 6; [L55] const SORT_2 var_437 = 6; [L57] SORT_1 input_128; [L58] SORT_1 input_138; [L59] SORT_1 input_140; [L60] SORT_1 input_147; [L61] SORT_1 input_149; [L62] SORT_1 input_156; [L63] SORT_1 input_158; [L64] SORT_1 input_165; [L65] SORT_1 input_167; [L66] SORT_1 input_174; [L67] SORT_1 input_176; [L68] SORT_1 input_183; [L69] SORT_1 input_185; [L70] SORT_1 input_192; [L71] SORT_1 input_479; [L72] SORT_1 input_483; [L73] SORT_1 input_486; [L74] SORT_1 input_487; [L75] SORT_1 input_488; [L76] SORT_1 input_489; [L77] SORT_1 input_490; [L78] SORT_1 input_491; [L79] SORT_1 input_492; [L80] SORT_1 input_493; [L81] SORT_1 input_494; [L82] SORT_1 input_495; [L83] SORT_1 input_496; [L84] SORT_1 input_497; [L85] SORT_1 input_513; [L86] SORT_1 input_519; [L87] SORT_1 input_525; [L88] SORT_1 input_531; [L89] SORT_1 input_537; [L90] SORT_1 input_543; [L91] SORT_1 input_549; [L92] SORT_1 input_564; [L93] SORT_1 input_582; [L94] SORT_1 input_600; [L95] SORT_1 input_618; [L96] SORT_1 input_636; [L97] SORT_1 input_654; [L98] SORT_1 input_672; [L100] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L100] SORT_2 state_6 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L101] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L101] SORT_2 state_8 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L102] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L102] SORT_2 state_10 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L103] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L103] SORT_2 state_12 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L104] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L104] SORT_2 state_14 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L105] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L105] SORT_2 state_16 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L106] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L106] SORT_2 state_18 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L107] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L107] SORT_2 state_20 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L108] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L108] SORT_2 state_22 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L109] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L109] SORT_2 state_24 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L110] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L110] SORT_2 state_26 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L111] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L111] SORT_2 state_28 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L112] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L112] SORT_2 state_30 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L113] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L113] SORT_2 state_32 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L114] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L114] SORT_2 state_34 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L115] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L115] SORT_1 state_37 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L116] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L116] SORT_1 state_39 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L117] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L117] SORT_1 state_41 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L118] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L118] SORT_1 state_43 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L119] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L119] SORT_1 state_45 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L120] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L120] SORT_1 state_47 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L121] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L121] SORT_1 state_49 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L122] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L122] SORT_1 state_51 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L123] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L123] SORT_1 state_53 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L124] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L124] SORT_1 state_55 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L125] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L125] SORT_1 state_57 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L126] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L126] SORT_1 state_59 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L127] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L127] SORT_1 state_61 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L128] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L128] SORT_1 state_63 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L129] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L129] SORT_1 state_65 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L130] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L130] SORT_1 state_67 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L131] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L131] SORT_1 state_69 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L132] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L132] SORT_1 state_71 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L133] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L133] SORT_1 state_73 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L134] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L134] SORT_1 state_75 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L135] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L135] SORT_1 state_77 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L136] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L136] SORT_1 state_79 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L137] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L137] SORT_1 state_81 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L138] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L138] SORT_1 state_83 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L139] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L139] SORT_1 state_85 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L140] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L140] SORT_1 state_87 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L141] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L141] SORT_1 state_89 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L142] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L142] SORT_1 state_91 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L143] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L143] SORT_1 state_93 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L144] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L144] SORT_1 state_95 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L145] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L145] SORT_1 state_97 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L146] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L146] SORT_1 state_99 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L147] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L147] SORT_1 state_101 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L148] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L148] SORT_1 state_103 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L149] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L149] SORT_1 state_105 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L150] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L150] SORT_1 state_107 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L152] SORT_2 init_7_arg_1 = var_5; [L153] state_6 = init_7_arg_1 [L154] SORT_2 init_9_arg_1 = var_5; [L155] state_8 = init_9_arg_1 [L156] SORT_2 init_11_arg_1 = var_5; [L157] state_10 = init_11_arg_1 [L158] SORT_2 init_13_arg_1 = var_5; [L159] state_12 = init_13_arg_1 [L160] SORT_2 init_15_arg_1 = var_5; [L161] state_14 = init_15_arg_1 [L162] SORT_2 init_17_arg_1 = var_5; [L163] state_16 = init_17_arg_1 [L164] SORT_2 init_19_arg_1 = var_5; [L165] state_18 = init_19_arg_1 [L166] SORT_2 init_21_arg_1 = var_5; [L167] state_20 = init_21_arg_1 [L168] SORT_2 init_23_arg_1 = var_5; [L169] state_22 = init_23_arg_1 [L170] SORT_2 init_25_arg_1 = var_5; [L171] state_24 = init_25_arg_1 [L172] SORT_2 init_27_arg_1 = var_5; [L173] state_26 = init_27_arg_1 [L174] SORT_2 init_29_arg_1 = var_5; [L175] state_28 = init_29_arg_1 [L176] SORT_2 init_31_arg_1 = var_5; [L177] state_30 = init_31_arg_1 [L178] SORT_2 init_33_arg_1 = var_5; [L179] state_32 = init_33_arg_1 [L180] SORT_2 init_35_arg_1 = var_5; [L181] state_34 = init_35_arg_1 [L182] SORT_1 init_38_arg_1 = var_36; [L183] state_37 = init_38_arg_1 [L184] SORT_1 init_40_arg_1 = var_36; [L185] state_39 = init_40_arg_1 [L186] SORT_1 init_42_arg_1 = var_36; [L187] state_41 = init_42_arg_1 [L188] SORT_1 init_44_arg_1 = var_36; [L189] state_43 = init_44_arg_1 [L190] SORT_1 init_46_arg_1 = var_36; [L191] state_45 = init_46_arg_1 [L192] SORT_1 init_48_arg_1 = var_36; [L193] state_47 = init_48_arg_1 [L194] SORT_1 init_50_arg_1 = var_36; [L195] state_49 = init_50_arg_1 [L196] SORT_1 init_52_arg_1 = var_36; [L197] state_51 = init_52_arg_1 [L198] SORT_1 init_54_arg_1 = var_36; [L199] state_53 = init_54_arg_1 [L200] SORT_1 init_56_arg_1 = var_36; [L201] state_55 = init_56_arg_1 [L202] SORT_1 init_58_arg_1 = var_36; [L203] state_57 = init_58_arg_1 [L204] SORT_1 init_60_arg_1 = var_36; [L205] state_59 = init_60_arg_1 [L206] SORT_1 init_62_arg_1 = var_36; [L207] state_61 = init_62_arg_1 [L208] SORT_1 init_64_arg_1 = var_36; [L209] state_63 = init_64_arg_1 [L210] SORT_1 init_66_arg_1 = var_36; [L211] state_65 = init_66_arg_1 [L212] SORT_1 init_68_arg_1 = var_36; [L213] state_67 = init_68_arg_1 [L214] SORT_1 init_70_arg_1 = var_36; [L215] state_69 = init_70_arg_1 [L216] SORT_1 init_72_arg_1 = var_36; [L217] state_71 = init_72_arg_1 [L218] SORT_1 init_74_arg_1 = var_36; [L219] state_73 = init_74_arg_1 [L220] SORT_1 init_76_arg_1 = var_36; [L221] state_75 = init_76_arg_1 [L222] SORT_1 init_78_arg_1 = var_36; [L223] state_77 = init_78_arg_1 [L224] SORT_1 init_80_arg_1 = var_36; [L225] state_79 = init_80_arg_1 [L226] SORT_1 init_82_arg_1 = var_36; [L227] state_81 = init_82_arg_1 [L228] SORT_1 init_84_arg_1 = var_36; [L229] state_83 = init_84_arg_1 [L230] SORT_1 init_86_arg_1 = var_36; [L231] state_85 = init_86_arg_1 [L232] SORT_1 init_88_arg_1 = var_36; [L233] state_87 = init_88_arg_1 [L234] SORT_1 init_90_arg_1 = var_36; [L235] state_89 = init_90_arg_1 [L236] SORT_1 init_92_arg_1 = var_36; [L237] state_91 = init_92_arg_1 [L238] SORT_1 init_94_arg_1 = var_36; [L239] state_93 = init_94_arg_1 [L240] SORT_1 init_96_arg_1 = var_36; [L241] state_95 = init_96_arg_1 [L242] SORT_1 init_98_arg_1 = var_36; [L243] state_97 = init_98_arg_1 [L244] SORT_1 init_100_arg_1 = var_36; [L245] state_99 = init_100_arg_1 [L246] SORT_1 init_102_arg_1 = var_36; [L247] state_101 = init_102_arg_1 [L248] SORT_1 init_104_arg_1 = var_36; [L249] state_103 = init_104_arg_1 [L250] SORT_1 init_106_arg_1 = var_36; [L251] state_105 = init_106_arg_1 [L252] SORT_1 init_108_arg_1 = var_36; [L253] state_107 = init_108_arg_1 VAL [init_100_arg_1=0, init_102_arg_1=0, init_104_arg_1=0, init_106_arg_1=0, init_108_arg_1=0, init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_21_arg_1=0, init_23_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_29_arg_1=0, init_31_arg_1=0, init_33_arg_1=0, init_35_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_54_arg_1=0, init_56_arg_1=0, init_58_arg_1=0, init_60_arg_1=0, init_62_arg_1=0, init_64_arg_1=0, init_66_arg_1=0, init_68_arg_1=0, init_70_arg_1=0, init_72_arg_1=0, init_74_arg_1=0, init_76_arg_1=0, init_78_arg_1=0, init_7_arg_1=0, init_80_arg_1=0, init_82_arg_1=0, init_84_arg_1=0, init_86_arg_1=0, init_88_arg_1=0, init_90_arg_1=0, init_92_arg_1=0, init_94_arg_1=0, init_96_arg_1=0, init_98_arg_1=0, init_9_arg_1=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_101=0, state_103=0, state_105=0, state_107=0, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, state_87=0, state_89=0, state_8=0, state_91=0, state_93=0, state_95=0, state_97=0, state_99=0, var_109=1, var_110=0, var_127=1, var_129=0, var_132=7, var_136=0, var_254=2, var_257=2, var_299=3, var_302=3, var_344=4, var_347=4, var_36=0, var_389=5, var_392=5, var_434=6, var_437=6, var_5=0] [L256] input_128 = __VERIFIER_nondet_uchar() [L257] input_138 = __VERIFIER_nondet_uchar() [L258] input_140 = __VERIFIER_nondet_uchar() [L259] input_147 = __VERIFIER_nondet_uchar() [L260] input_149 = __VERIFIER_nondet_uchar() [L261] input_156 = __VERIFIER_nondet_uchar() [L262] input_158 = __VERIFIER_nondet_uchar() [L263] input_165 = __VERIFIER_nondet_uchar() [L264] input_167 = __VERIFIER_nondet_uchar() [L265] input_174 = __VERIFIER_nondet_uchar() [L266] input_176 = __VERIFIER_nondet_uchar() [L267] input_183 = __VERIFIER_nondet_uchar() [L268] input_185 = __VERIFIER_nondet_uchar() [L269] input_192 = __VERIFIER_nondet_uchar() [L270] input_479 = __VERIFIER_nondet_uchar() [L271] EXPR input_479 & mask_SORT_1 [L271] input_479 = input_479 & mask_SORT_1 [L272] input_483 = __VERIFIER_nondet_uchar() [L273] EXPR input_483 & mask_SORT_1 [L273] input_483 = input_483 & mask_SORT_1 [L274] input_486 = __VERIFIER_nondet_uchar() [L275] EXPR input_486 & mask_SORT_1 [L275] input_486 = input_486 & mask_SORT_1 [L276] input_487 = __VERIFIER_nondet_uchar() [L277] EXPR input_487 & mask_SORT_1 [L277] input_487 = input_487 & mask_SORT_1 [L278] input_488 = __VERIFIER_nondet_uchar() [L279] EXPR input_488 & mask_SORT_1 [L279] input_488 = input_488 & mask_SORT_1 [L280] input_489 = __VERIFIER_nondet_uchar() [L281] EXPR input_489 & mask_SORT_1 [L281] input_489 = input_489 & mask_SORT_1 [L282] input_490 = __VERIFIER_nondet_uchar() [L283] EXPR input_490 & mask_SORT_1 [L283] input_490 = input_490 & mask_SORT_1 [L284] input_491 = __VERIFIER_nondet_uchar() [L285] EXPR input_491 & mask_SORT_1 [L285] input_491 = input_491 & mask_SORT_1 [L286] input_492 = __VERIFIER_nondet_uchar() [L287] EXPR input_492 & mask_SORT_1 [L287] input_492 = input_492 & mask_SORT_1 [L288] input_493 = __VERIFIER_nondet_uchar() [L289] EXPR input_493 & mask_SORT_1 [L289] input_493 = input_493 & mask_SORT_1 [L290] input_494 = __VERIFIER_nondet_uchar() [L291] EXPR input_494 & mask_SORT_1 [L291] input_494 = input_494 & mask_SORT_1 [L292] input_495 = __VERIFIER_nondet_uchar() [L293] EXPR input_495 & mask_SORT_1 [L293] input_495 = input_495 & mask_SORT_1 [L294] input_496 = __VERIFIER_nondet_uchar() [L295] EXPR input_496 & mask_SORT_1 [L295] input_496 = input_496 & mask_SORT_1 [L296] input_497 = __VERIFIER_nondet_uchar() [L297] EXPR input_497 & mask_SORT_1 [L297] input_497 = input_497 & mask_SORT_1 [L298] input_513 = __VERIFIER_nondet_uchar() [L299] EXPR input_513 & mask_SORT_1 [L299] input_513 = input_513 & mask_SORT_1 [L300] input_519 = __VERIFIER_nondet_uchar() [L301] EXPR input_519 & mask_SORT_1 [L301] input_519 = input_519 & mask_SORT_1 [L302] input_525 = __VERIFIER_nondet_uchar() [L303] EXPR input_525 & mask_SORT_1 [L303] input_525 = input_525 & mask_SORT_1 [L304] input_531 = __VERIFIER_nondet_uchar() [L305] EXPR input_531 & mask_SORT_1 [L305] input_531 = input_531 & mask_SORT_1 [L306] input_537 = __VERIFIER_nondet_uchar() [L307] EXPR input_537 & mask_SORT_1 [L307] input_537 = input_537 & mask_SORT_1 [L308] input_543 = __VERIFIER_nondet_uchar() [L309] EXPR input_543 & mask_SORT_1 [L309] input_543 = input_543 & mask_SORT_1 [L310] input_549 = __VERIFIER_nondet_uchar() [L311] EXPR input_549 & mask_SORT_1 [L311] input_549 = input_549 & mask_SORT_1 [L312] input_564 = __VERIFIER_nondet_uchar() [L313] input_582 = __VERIFIER_nondet_uchar() [L314] input_600 = __VERIFIER_nondet_uchar() [L315] input_618 = __VERIFIER_nondet_uchar() [L316] input_636 = __VERIFIER_nondet_uchar() [L317] input_654 = __VERIFIER_nondet_uchar() [L318] input_672 = __VERIFIER_nondet_uchar() [L321] SORT_1 var_111_arg_0 = state_45; [L322] SORT_4 var_111_arg_1 = var_109; [L323] SORT_4 var_111_arg_2 = var_110; [L324] SORT_4 var_111 = var_111_arg_0 ? var_111_arg_1 : var_111_arg_2; [L325] SORT_1 var_112_arg_0 = state_55; [L326] SORT_4 var_112_arg_1 = var_109; [L327] SORT_4 var_112_arg_2 = var_110; [L328] SORT_4 var_112 = var_112_arg_0 ? var_112_arg_1 : var_112_arg_2; [L329] SORT_4 var_113_arg_0 = var_111; [L330] SORT_4 var_113_arg_1 = var_112; [L331] SORT_4 var_113 = var_113_arg_0 + var_113_arg_1; [L332] SORT_1 var_114_arg_0 = state_65; [L333] SORT_4 var_114_arg_1 = var_109; [L334] SORT_4 var_114_arg_2 = var_110; [L335] SORT_4 var_114 = var_114_arg_0 ? var_114_arg_1 : var_114_arg_2; [L336] SORT_4 var_115_arg_0 = var_113; [L337] SORT_4 var_115_arg_1 = var_114; [L338] SORT_4 var_115 = var_115_arg_0 + var_115_arg_1; [L339] SORT_1 var_116_arg_0 = state_75; [L340] SORT_4 var_116_arg_1 = var_109; [L341] SORT_4 var_116_arg_2 = var_110; [L342] SORT_4 var_116 = var_116_arg_0 ? var_116_arg_1 : var_116_arg_2; [L343] SORT_4 var_117_arg_0 = var_115; [L344] SORT_4 var_117_arg_1 = var_116; [L345] SORT_4 var_117 = var_117_arg_0 + var_117_arg_1; [L346] SORT_1 var_118_arg_0 = state_85; [L347] SORT_4 var_118_arg_1 = var_109; [L348] SORT_4 var_118_arg_2 = var_110; [L349] SORT_4 var_118 = var_118_arg_0 ? var_118_arg_1 : var_118_arg_2; [L350] SORT_4 var_119_arg_0 = var_117; [L351] SORT_4 var_119_arg_1 = var_118; [L352] SORT_4 var_119 = var_119_arg_0 + var_119_arg_1; [L353] SORT_1 var_120_arg_0 = state_95; [L354] SORT_4 var_120_arg_1 = var_109; [L355] SORT_4 var_120_arg_2 = var_110; [L356] SORT_4 var_120 = var_120_arg_0 ? var_120_arg_1 : var_120_arg_2; [L357] SORT_4 var_121_arg_0 = var_119; [L358] SORT_4 var_121_arg_1 = var_120; [L359] SORT_4 var_121 = var_121_arg_0 + var_121_arg_1; [L360] SORT_1 var_122_arg_0 = state_105; [L361] SORT_4 var_122_arg_1 = var_109; [L362] SORT_4 var_122_arg_2 = var_110; [L363] SORT_4 var_122 = var_122_arg_0 ? var_122_arg_1 : var_122_arg_2; [L364] SORT_4 var_123_arg_0 = var_121; [L365] SORT_4 var_123_arg_1 = var_122; [L366] SORT_4 var_123 = var_123_arg_0 + var_123_arg_1; [L367] EXPR var_123 & mask_SORT_4 [L367] var_123 = var_123 & mask_SORT_4 [L368] SORT_4 var_124_arg_0 = var_123; [L369] SORT_4 var_124_arg_1 = var_109; [L370] SORT_1 var_124 = var_124_arg_0 <= var_124_arg_1; [L371] SORT_1 var_125_arg_0 = ~state_107; [L372] EXPR var_125_arg_0 & mask_SORT_1 [L372] var_125_arg_0 = var_125_arg_0 & mask_SORT_1 [L373] SORT_1 var_125_arg_1 = ~var_124; [L374] EXPR var_125_arg_1 & mask_SORT_1 [L374] var_125_arg_1 = var_125_arg_1 & mask_SORT_1 [L375] EXPR var_125_arg_0 & var_125_arg_1 [L375] SORT_1 var_125 = var_125_arg_0 & var_125_arg_1; [L376] EXPR var_125 & mask_SORT_1 [L376] var_125 = var_125 & mask_SORT_1 [L377] SORT_1 bad_126_arg_0 = var_125; [L378] CALL __VERIFIER_assert(!(bad_126_arg_0)) [L21] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L21] reach_error() VAL [\old(cond)=0, cond=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 134.2MB. Free memory was 104.2MB in the beginning and 104.2MB in the end (delta: 27.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1244.82ms. Allocated memory was 134.2MB in the beginning and 174.1MB in the end (delta: 39.8MB). Free memory was 96.1MB in the beginning and 70.9MB in the end (delta: 25.3MB). Peak memory consumption was 87.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1212.97ms. Allocated memory was 174.1MB in the beginning and 484.4MB in the end (delta: 310.4MB). Free memory was 70.9MB in the beginning and 208.2MB in the end (delta: -137.3MB). Peak memory consumption was 178.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1021.02ms. Allocated memory is still 484.4MB. Free memory was 208.2MB in the beginning and 137.7MB in the end (delta: 70.5MB). Peak memory consumption was 86.2MB. Max. memory is 16.1GB. * RCFGBuilder took 30526.95ms. Allocated memory was 484.4MB in the beginning and 6.1GB in the end (delta: 5.6GB). Free memory was 137.7MB in the beginning and 5.1GB in the end (delta: -4.9GB). Peak memory consumption was 1.8GB. Max. memory is 16.1GB. * CodeCheck took 3322.90ms. Allocated memory is still 6.1GB. Free memory was 5.1GB in the beginning and 4.8GB in the end (delta: 254.8MB). Peak memory consumption was 255.9MB. Max. memory is 16.1GB. * Witness Printer took 3.70ms. Allocated memory is still 6.1GB. Free memory is still 4.8GB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-03 00:12:16,377 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.8.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 58eb58cb5c8fae443da843d32db0bd9b25c33d5587a82bee515f6a22a1baa423 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:12:18,563 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:12:18,640 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-12-03 00:12:18,672 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:12:18,673 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 00:12:18,673 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 00:12:18,674 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:12:18,674 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:12:18,675 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:12:18,675 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 00:12:18,676 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:12:18,677 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 00:12:18,677 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:12:18,678 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 00:12:18,678 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 00:12:18,679 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 00:12:18,679 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 00:12:18,680 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 00:12:18,680 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:12:18,681 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:12:18,682 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:12:18,682 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:12:18,683 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 00:12:18,683 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 00:12:18,684 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:12:18,684 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:12:18,685 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:12:18,685 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:12:18,686 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 00:12:18,686 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 00:12:18,686 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 00:12:18,687 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 00:12:18,687 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 00:12:18,687 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 00:12:18,688 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 58eb58cb5c8fae443da843d32db0bd9b25c33d5587a82bee515f6a22a1baa423 [2023-12-03 00:12:18,976 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:12:18,996 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:12:18,998 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:12:18,999 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:12:19,000 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:12:19,001 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.8.prop1-func-interl.c [2023-12-03 00:12:21,791 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:12:22,137 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:12:22,138 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.8.prop1-func-interl.c [2023-12-03 00:12:22,165 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/data/b0d935a0b/bd38d0ef40934cac9b659946fcfaddfb/FLAG08a2b5cc8 [2023-12-03 00:12:22,181 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/data/b0d935a0b/bd38d0ef40934cac9b659946fcfaddfb [2023-12-03 00:12:22,183 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:12:22,185 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:12:22,187 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:12:22,187 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:12:22,192 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:12:22,192 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:12:22" (1/1) ... [2023-12-03 00:12:22,194 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d2b3857 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:12:22, skipping insertion in model container [2023-12-03 00:12:22,194 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:12:22" (1/1) ... [2023-12-03 00:12:22,288 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:12:22,502 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.8.prop1-func-interl.c[1175,1188] [2023-12-03 00:12:22,925 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:12:22,934 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:12:22,943 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.8.prop1-func-interl.c[1175,1188] [2023-12-03 00:12:23,177 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:12:23,191 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:12:23,192 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:12:23 WrapperNode [2023-12-03 00:12:23,192 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:12:23,193 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:12:23,193 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:12:23,193 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:12:23,201 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:12:23" (1/1) ... [2023-12-03 00:12:23,272 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:12:23" (1/1) ... [2023-12-03 00:12:23,429 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3832 [2023-12-03 00:12:23,430 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:12:23,431 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:12:23,431 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:12:23,431 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:12:23,440 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:12:23" (1/1) ... [2023-12-03 00:12:23,441 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:12:23" (1/1) ... [2023-12-03 00:12:23,470 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:12:23" (1/1) ... [2023-12-03 00:12:23,470 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:12:23" (1/1) ... [2023-12-03 00:12:23,532 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:12:23" (1/1) ... [2023-12-03 00:12:23,542 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:12:23" (1/1) ... [2023-12-03 00:12:23,554 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:12:23" (1/1) ... [2023-12-03 00:12:23,566 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:12:23" (1/1) ... [2023-12-03 00:12:23,592 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:12:23,593 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:12:23,593 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:12:23,593 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:12:23,594 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:12:23" (1/1) ... [2023-12-03 00:12:23,599 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:12:23,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:12:23,621 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:12:23,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:12:23,658 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:12:23,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 00:12:23,658 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:12:23,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:12:24,218 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:12:24,220 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:12:40,370 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:12:40,614 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 00:12:40,615 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 00:12:40,616 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:12:40 BoogieIcfgContainer [2023-12-03 00:12:40,616 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 00:12:40,617 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 00:12:40,617 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 00:12:40,625 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 00:12:40,625 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:12:40" (1/1) ... [2023-12-03 00:12:40,632 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 00:12:40,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:12:40,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-03 00:12:40,676 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-03 00:12:40,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 00:12:40,677 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:12:40,678 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:12:40,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:12:40,679 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:12:40,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 00:12:41,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:12:41,620 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:12:41,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:12:41,898 INFO L262 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 66 conjunts are in the unsatisfiable core [2023-12-03 00:12:41,916 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:12:42,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:12:42,763 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 00:12:45,737 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.86s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:12:46,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:12:46,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2023-12-03 00:12:46,073 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2023-12-03 00:12:46,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 00:12:46,073 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:12:46,073 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:12:46,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:12:46,077 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:12:46,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 00:12:49,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:12:49,584 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:12:50,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:12:50,863 INFO L262 TraceCheckSpWp]: Trace formula consists of 3280 conjuncts, 248 conjunts are in the unsatisfiable core [2023-12-03 00:12:50,891 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:13:00,892 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:13:00,921 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 00:13:06,391 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.72s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:13:10,508 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.75s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:13:14,669 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:13:21,933 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.26s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:13:24,553 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.62s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:13:25,804 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:13:38,271 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.31s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 00:13:50,583 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.34s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 00:13:53,398 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.81s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 00:13:54,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:13:54,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 00:13:54,132 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 00:13:54,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 00:13:54,133 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:13:54,133 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:13:54,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:13:54,134 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:13:54,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 00:13:57,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:13:57,426 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:13:58,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:13:58,478 INFO L262 TraceCheckSpWp]: Trace formula consists of 3280 conjuncts, 248 conjunts are in the unsatisfiable core [2023-12-03 00:13:58,502 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:14:06,415 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:14:06,446 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-03 00:14:06,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:14:06,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 00:14:06,503 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 00:14:06,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 00:14:06,503 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:14:06,504 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:14:06,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:14:06,505 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:14:06,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-03 00:14:09,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:14:09,923 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:14:10,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:14:11,011 INFO L262 TraceCheckSpWp]: Trace formula consists of 3280 conjuncts, 248 conjunts are in the unsatisfiable core [2023-12-03 00:14:11,031 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:14:18,796 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:14:18,826 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-03 00:14:18,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:14:18,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 00:14:18,884 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 00:14:18,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 00:14:18,884 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:14:18,884 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:14:18,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:14:18,885 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:14:18,886 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-03 00:14:22,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:14:22,282 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:14:23,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:14:23,427 INFO L262 TraceCheckSpWp]: Trace formula consists of 3280 conjuncts, 248 conjunts are in the unsatisfiable core [2023-12-03 00:14:23,446 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:14:31,221 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:14:31,252 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-03 00:14:31,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:14:31,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 00:14:31,310 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 00:14:31,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 00:14:31,311 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:14:31,311 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:14:31,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:14:31,312 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:14:31,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-03 00:14:34,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:14:34,669 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:14:35,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:14:35,804 INFO L262 TraceCheckSpWp]: Trace formula consists of 3280 conjuncts, 248 conjunts are in the unsatisfiable core [2023-12-03 00:14:35,823 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:14:43,555 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:14:43,587 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-03 00:14:43,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:14:43,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 00:14:43,649 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 00:14:43,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 00:14:43,649 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:14:43,649 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:14:43,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:14:43,650 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:14:43,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-03 00:14:47,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:14:47,095 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:14:48,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:14:48,176 INFO L262 TraceCheckSpWp]: Trace formula consists of 3280 conjuncts, 248 conjunts are in the unsatisfiable core [2023-12-03 00:14:48,195 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:14:55,981 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:14:56,012 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-03 00:14:56,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:14:56,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 00:14:56,068 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 00:14:56,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 00:14:56,069 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:14:56,069 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:14:56,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:14:56,070 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:14:56,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-03 00:14:59,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:14:59,383 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:15:00,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:15:00,498 INFO L262 TraceCheckSpWp]: Trace formula consists of 3280 conjuncts, 248 conjunts are in the unsatisfiable core [2023-12-03 00:15:00,517 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:15:08,414 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:15:08,447 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2023-12-03 00:15:08,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:15:08,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 00:15:08,502 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 00:15:08,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 00:15:08,503 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:15:08,503 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:15:08,503 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:15:08,504 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:15:08,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-03 00:15:11,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:15:11,809 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:15:12,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:15:12,906 INFO L262 TraceCheckSpWp]: Trace formula consists of 3280 conjuncts, 248 conjunts are in the unsatisfiable core [2023-12-03 00:15:12,928 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:15:20,605 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:15:20,636 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2023-12-03 00:15:20,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:15:20,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 00:15:20,691 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 00:15:20,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 00:15:20,691 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:15:20,691 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:15:20,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:15:20,692 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:15:20,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-03 00:15:24,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:15:24,118 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:15:25,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:15:25,217 INFO L262 TraceCheckSpWp]: Trace formula consists of 3280 conjuncts, 248 conjunts are in the unsatisfiable core [2023-12-03 00:15:25,242 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:15:33,018 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:15:33,050 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2023-12-03 00:15:33,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:15:33,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 00:15:33,109 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 00:15:33,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 00:15:33,109 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:15:33,109 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:15:33,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:15:33,110 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:15:33,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-03 00:15:36,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:15:36,494 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:15:37,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:15:37,637 INFO L262 TraceCheckSpWp]: Trace formula consists of 3280 conjuncts, 248 conjunts are in the unsatisfiable core [2023-12-03 00:15:37,651 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:15:45,299 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:15:45,331 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2023-12-03 00:15:45,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:15:45,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 00:15:45,386 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 00:15:45,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 00:15:45,386 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:15:45,386 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:15:45,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:15:45,387 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:15:45,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-12-03 00:15:48,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:15:48,627 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:15:49,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:15:49,691 INFO L262 TraceCheckSpWp]: Trace formula consists of 3280 conjuncts, 248 conjunts are in the unsatisfiable core [2023-12-03 00:15:49,705 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:15:57,346 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:15:57,377 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2023-12-03 00:15:57,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:15:57,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 00:15:57,442 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 00:15:57,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 00:15:57,442 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:15:57,442 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:15:57,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:15:57,443 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:15:57,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-12-03 00:16:00,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:16:00,715 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:16:01,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:16:01,820 INFO L262 TraceCheckSpWp]: Trace formula consists of 3280 conjuncts, 248 conjunts are in the unsatisfiable core [2023-12-03 00:16:01,834 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:16:09,499 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:16:09,530 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2023-12-03 00:16:09,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:16:09,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 00:16:09,588 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 00:16:09,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 00:16:09,588 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:16:09,589 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:16:09,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:16:09,590 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:16:09,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-12-03 00:16:13,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:16:13,063 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:16:14,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:16:14,179 INFO L262 TraceCheckSpWp]: Trace formula consists of 3280 conjuncts, 248 conjunts are in the unsatisfiable core [2023-12-03 00:16:14,193 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:16:22,106 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:16:22,137 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Forceful destruction successful, exit code 0 [2023-12-03 00:16:22,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:16:22,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 00:16:22,195 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 00:16:22,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 00:16:22,196 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:16:22,196 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:16:22,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:16:22,197 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:16:22,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2023-12-03 00:16:25,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:16:25,639 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:16:26,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:16:26,735 INFO L262 TraceCheckSpWp]: Trace formula consists of 3280 conjuncts, 248 conjunts are in the unsatisfiable core [2023-12-03 00:16:26,748 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:16:34,478 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:16:34,510 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2023-12-03 00:16:34,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:16:34,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 00:16:34,567 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 00:16:34,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 00:16:34,567 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:16:34,567 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:16:34,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:16:34,568 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:16:34,569 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2023-12-03 00:16:37,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:16:37,947 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:16:38,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:16:39,101 INFO L262 TraceCheckSpWp]: Trace formula consists of 3280 conjuncts, 248 conjunts are in the unsatisfiable core [2023-12-03 00:16:39,117 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:16:46,896 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:16:46,928 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2023-12-03 00:16:46,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:16:46,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 00:16:46,983 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 00:16:46,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 00:16:46,983 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:16:46,983 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:16:46,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:16:46,984 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:16:46,985 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2023-12-03 00:16:50,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:16:50,435 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:16:51,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:16:51,531 INFO L262 TraceCheckSpWp]: Trace formula consists of 3280 conjuncts, 248 conjunts are in the unsatisfiable core [2023-12-03 00:16:51,545 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:16:59,445 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:16:59,478 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2023-12-03 00:16:59,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:16:59,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 00:16:59,532 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 00:16:59,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 00:16:59,533 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:16:59,533 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:16:59,533 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:16:59,534 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:16:59,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2023-12-03 00:17:03,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:17:03,046 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:17:04,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:17:04,149 INFO L262 TraceCheckSpWp]: Trace formula consists of 3280 conjuncts, 248 conjunts are in the unsatisfiable core [2023-12-03 00:17:04,163 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:17:11,859 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:17:11,891 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Forceful destruction successful, exit code 0 [2023-12-03 00:17:11,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:17:11,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 00:17:11,946 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 00:17:11,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 00:17:11,946 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:17:11,946 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:17:11,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:17:11,947 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:17:11,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2023-12-03 00:17:15,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:17:15,389 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:17:16,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:17:16,516 INFO L262 TraceCheckSpWp]: Trace formula consists of 3280 conjuncts, 248 conjunts are in the unsatisfiable core [2023-12-03 00:17:16,530 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:17:24,347 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:17:24,378 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2023-12-03 00:17:24,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:17:24,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 00:17:24,436 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 00:17:24,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 00:17:24,436 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:17:24,437 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:17:24,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:17:24,437 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:17:24,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2023-12-03 00:17:27,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:17:27,872 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:17:28,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:17:29,004 INFO L262 TraceCheckSpWp]: Trace formula consists of 3280 conjuncts, 248 conjunts are in the unsatisfiable core [2023-12-03 00:17:29,015 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:17:36,762 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:17:36,794 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2023-12-03 00:17:36,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:17:36,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 00:17:36,850 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 00:17:36,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 00:17:36,851 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:17:36,851 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:17:36,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:17:36,852 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:17:36,853 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2023-12-03 00:17:40,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:17:40,278 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:17:41,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:17:41,407 INFO L262 TraceCheckSpWp]: Trace formula consists of 3280 conjuncts, 248 conjunts are in the unsatisfiable core [2023-12-03 00:17:41,419 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:17:49,185 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:17:49,218 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Forceful destruction successful, exit code 0 [2023-12-03 00:17:49,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:17:49,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 00:17:49,275 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 00:17:49,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 00:17:49,275 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:17:49,275 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:17:49,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:17:49,276 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:17:49,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2023-12-03 00:17:52,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:17:52,598 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:17:53,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:17:53,738 INFO L262 TraceCheckSpWp]: Trace formula consists of 3280 conjuncts, 248 conjunts are in the unsatisfiable core [2023-12-03 00:17:53,749 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:18:01,657 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:18:01,689 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2023-12-03 00:18:01,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:18:01,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 00:18:01,747 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 00:18:01,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 00:18:01,748 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:18:01,748 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:18:01,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:18:01,749 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:18:01,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2023-12-03 00:18:05,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:18:05,184 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:18:06,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:18:06,247 INFO L262 TraceCheckSpWp]: Trace formula consists of 3280 conjuncts, 248 conjunts are in the unsatisfiable core [2023-12-03 00:18:06,257 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:18:13,828 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:18:13,861 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2023-12-03 00:18:13,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:18:13,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 00:18:13,923 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 00:18:13,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 00:18:13,923 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:18:13,923 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:18:13,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:18:13,924 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:18:13,925 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2023-12-03 00:18:17,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:18:17,417 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:18:18,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:18:18,496 INFO L262 TraceCheckSpWp]: Trace formula consists of 3280 conjuncts, 248 conjunts are in the unsatisfiable core [2023-12-03 00:18:18,507 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:18:26,272 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:18:26,305 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Forceful destruction successful, exit code 0 [2023-12-03 00:18:26,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:18:26,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 00:18:26,360 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 00:18:26,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 00:18:26,361 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:18:26,361 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:18:26,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:18:26,362 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:18:26,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2023-12-03 00:18:29,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:18:29,839 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:18:30,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:18:30,958 INFO L262 TraceCheckSpWp]: Trace formula consists of 3280 conjuncts, 248 conjunts are in the unsatisfiable core [2023-12-03 00:18:30,969 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:18:38,623 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:18:38,655 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2023-12-03 00:18:38,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:18:38,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 00:18:38,712 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 00:18:38,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 00:18:38,712 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:18:38,712 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:18:38,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:18:38,713 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:18:38,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2023-12-03 00:18:42,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:18:42,030 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:18:43,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:18:43,113 INFO L262 TraceCheckSpWp]: Trace formula consists of 3280 conjuncts, 248 conjunts are in the unsatisfiable core [2023-12-03 00:18:43,123 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:18:51,045 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:18:51,078 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2023-12-03 00:18:51,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:18:51,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 00:18:51,132 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 00:18:51,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 00:18:51,132 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:18:51,132 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:18:51,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:18:51,133 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:18:51,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2023-12-03 00:18:54,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:18:54,550 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:18:55,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:18:55,691 INFO L262 TraceCheckSpWp]: Trace formula consists of 3280 conjuncts, 248 conjunts are in the unsatisfiable core [2023-12-03 00:18:55,702 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:19:03,499 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:19:03,532 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2023-12-03 00:19:03,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:19:03,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 00:19:03,588 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 00:19:03,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 00:19:03,588 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:19:03,588 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:19:03,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:19:03,589 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:19:03,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2023-12-03 00:19:07,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:19:07,016 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:19:08,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:19:08,166 INFO L262 TraceCheckSpWp]: Trace formula consists of 3280 conjuncts, 248 conjunts are in the unsatisfiable core [2023-12-03 00:19:08,178 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:19:15,849 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:19:15,882 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2023-12-03 00:19:15,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:19:15,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 00:19:15,940 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 00:19:15,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 00:19:15,941 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:19:15,941 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:19:15,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:19:15,942 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:19:15,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2023-12-03 00:19:19,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:19:19,426 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:19:20,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:19:20,536 INFO L262 TraceCheckSpWp]: Trace formula consists of 3280 conjuncts, 248 conjunts are in the unsatisfiable core [2023-12-03 00:19:20,546 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:19:28,212 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:19:28,245 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2023-12-03 00:19:28,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:19:28,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 00:19:28,302 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 00:19:28,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 00:19:28,303 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:19:28,303 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:19:28,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:19:28,304 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:19:28,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2023-12-03 00:19:31,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:19:31,751 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:19:32,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:19:32,755 INFO L262 TraceCheckSpWp]: Trace formula consists of 3280 conjuncts, 248 conjunts are in the unsatisfiable core [2023-12-03 00:19:32,768 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:19:40,658 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:19:40,692 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2023-12-03 00:19:40,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:19:40,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 00:19:40,747 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 00:19:40,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 00:19:40,748 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:19:40,748 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:19:40,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:19:40,749 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:19:40,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2023-12-03 00:19:44,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:19:44,325 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:19:45,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:19:45,431 INFO L262 TraceCheckSpWp]: Trace formula consists of 3280 conjuncts, 248 conjunts are in the unsatisfiable core [2023-12-03 00:19:45,442 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:19:53,328 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:19:53,362 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2023-12-03 00:19:53,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:19:53,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 00:19:53,458 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 00:19:53,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 00:19:53,458 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:19:53,458 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:19:53,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:19:53,459 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:19:53,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2023-12-03 00:19:56,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:19:56,862 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:19:57,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:19:57,925 INFO L262 TraceCheckSpWp]: Trace formula consists of 3280 conjuncts, 248 conjunts are in the unsatisfiable core [2023-12-03 00:19:57,935 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:20:05,846 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:20:05,880 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2023-12-03 00:20:05,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:20:05,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 00:20:05,935 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 00:20:05,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 00:20:05,936 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:20:05,936 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:20:05,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:20:05,937 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:20:05,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2023-12-03 00:20:09,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:20:09,484 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:20:10,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:20:10,491 INFO L262 TraceCheckSpWp]: Trace formula consists of 3280 conjuncts, 248 conjunts are in the unsatisfiable core [2023-12-03 00:20:10,501 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:20:18,311 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:20:18,345 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2023-12-03 00:20:18,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:20:18,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 00:20:18,403 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 00:20:18,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 00:20:18,403 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:20:18,403 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:20:18,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:20:18,404 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:20:18,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2023-12-03 00:20:21,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:20:21,874 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:20:22,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:20:23,009 INFO L262 TraceCheckSpWp]: Trace formula consists of 3280 conjuncts, 248 conjunts are in the unsatisfiable core [2023-12-03 00:20:23,021 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:20:30,935 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:20:30,970 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Forceful destruction successful, exit code 0 [2023-12-03 00:20:31,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:20:31,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 00:20:31,024 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 00:20:31,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 00:20:31,024 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:20:31,024 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:20:31,024 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:20:31,025 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:20:31,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2023-12-03 00:20:34,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:20:34,447 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:20:35,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:20:35,486 INFO L262 TraceCheckSpWp]: Trace formula consists of 3280 conjuncts, 248 conjunts are in the unsatisfiable core [2023-12-03 00:20:35,496 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:20:43,245 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:20:43,278 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2023-12-03 00:20:43,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:20:43,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 00:20:43,337 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 00:20:43,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 00:20:43,337 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:20:43,337 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:20:43,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:20:43,338 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:20:43,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2023-12-03 00:20:46,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:20:46,705 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:20:47,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:20:47,770 INFO L262 TraceCheckSpWp]: Trace formula consists of 3280 conjuncts, 248 conjunts are in the unsatisfiable core [2023-12-03 00:20:47,781 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:20:55,466 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:20:55,501 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2023-12-03 00:20:55,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:20:55,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 00:20:55,558 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 00:20:55,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 00:20:55,559 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:20:55,559 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:20:55,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:20:55,559 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:20:55,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2023-12-03 00:20:59,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:20:59,173 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:21:00,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:21:00,228 INFO L262 TraceCheckSpWp]: Trace formula consists of 3280 conjuncts, 248 conjunts are in the unsatisfiable core [2023-12-03 00:21:00,239 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:21:07,961 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:21:07,997 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2023-12-03 00:21:08,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:21:08,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 00:21:08,077 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 00:21:08,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 00:21:08,077 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:21:08,077 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:21:08,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:21:08,078 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:21:08,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2023-12-03 00:21:11,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:21:11,469 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:21:12,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:21:12,549 INFO L262 TraceCheckSpWp]: Trace formula consists of 3280 conjuncts, 248 conjunts are in the unsatisfiable core [2023-12-03 00:21:12,559 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:21:20,320 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:21:20,355 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2023-12-03 00:21:20,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:21:20,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 00:21:20,410 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 00:21:20,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 00:21:20,410 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:21:20,410 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:21:20,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:21:20,411 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:21:20,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2023-12-03 00:21:23,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:21:23,955 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:21:24,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:21:25,010 INFO L262 TraceCheckSpWp]: Trace formula consists of 3280 conjuncts, 248 conjunts are in the unsatisfiable core [2023-12-03 00:21:25,020 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:21:32,544 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:21:32,580 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2023-12-03 00:21:32,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:21:32,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 00:21:32,637 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 00:21:32,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 00:21:32,637 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:21:32,637 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:21:32,637 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:21:32,638 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:21:32,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2023-12-03 00:21:36,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:21:36,081 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:21:37,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:21:37,122 INFO L262 TraceCheckSpWp]: Trace formula consists of 3280 conjuncts, 248 conjunts are in the unsatisfiable core [2023-12-03 00:21:37,133 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:21:45,004 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:21:45,039 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2023-12-03 00:21:45,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:21:45,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 00:21:45,094 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 00:21:45,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 00:21:45,094 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:21:45,094 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:21:45,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:21:45,095 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:21:45,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2023-12-03 00:21:48,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:21:48,580 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:21:49,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:21:49,697 INFO L262 TraceCheckSpWp]: Trace formula consists of 3280 conjuncts, 248 conjunts are in the unsatisfiable core [2023-12-03 00:21:49,707 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:21:57,461 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:21:57,497 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2023-12-03 00:21:57,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:21:57,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 00:21:57,552 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 00:21:57,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 00:21:57,552 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:21:57,552 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:21:57,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:21:57,553 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:21:57,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2023-12-03 00:22:01,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:22:01,113 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:22:02,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:22:02,167 INFO L262 TraceCheckSpWp]: Trace formula consists of 3280 conjuncts, 248 conjunts are in the unsatisfiable core [2023-12-03 00:22:02,178 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:22:09,829 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:22:09,864 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2023-12-03 00:22:09,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:22:09,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 00:22:09,921 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 00:22:09,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 00:22:09,921 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:22:09,921 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:22:09,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:22:09,922 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:22:09,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2023-12-03 00:22:13,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:22:13,446 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:22:14,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:22:14,463 INFO L262 TraceCheckSpWp]: Trace formula consists of 3280 conjuncts, 248 conjunts are in the unsatisfiable core [2023-12-03 00:22:14,473 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:22:22,128 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:22:22,164 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2023-12-03 00:22:22,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:22:22,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 00:22:22,219 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 00:22:22,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 00:22:22,219 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:22:22,219 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:22:22,219 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:22:22,220 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:22:22,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2023-12-03 00:22:25,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:22:25,734 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:22:26,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:22:26,802 INFO L262 TraceCheckSpWp]: Trace formula consists of 3280 conjuncts, 248 conjunts are in the unsatisfiable core [2023-12-03 00:22:26,813 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:22:34,568 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:22:34,604 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2023-12-03 00:22:34,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:22:34,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 00:22:34,661 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 00:22:34,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 00:22:34,661 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:22:34,661 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:22:34,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:22:34,662 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:22:34,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2023-12-03 00:22:38,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:22:38,294 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:22:39,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:22:39,345 INFO L262 TraceCheckSpWp]: Trace formula consists of 3280 conjuncts, 248 conjunts are in the unsatisfiable core [2023-12-03 00:22:39,356 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:22:46,859 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:22:46,894 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Forceful destruction successful, exit code 0 [2023-12-03 00:22:46,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:22:46,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 00:22:46,948 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 00:22:46,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 00:22:46,948 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:22:46,948 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:22:46,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:22:46,949 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:22:46,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2023-12-03 00:22:50,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:22:50,864 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:22:51,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:22:51,909 INFO L262 TraceCheckSpWp]: Trace formula consists of 3280 conjuncts, 248 conjunts are in the unsatisfiable core [2023-12-03 00:22:51,921 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:22:59,790 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:22:59,825 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2023-12-03 00:22:59,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:22:59,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 00:22:59,880 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 00:22:59,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 00:22:59,880 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:22:59,880 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:22:59,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:22:59,881 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:22:59,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2023-12-03 00:23:03,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:23:03,503 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:23:04,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:23:04,598 INFO L262 TraceCheckSpWp]: Trace formula consists of 3280 conjuncts, 248 conjunts are in the unsatisfiable core [2023-12-03 00:23:04,609 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:23:12,390 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:23:12,427 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2023-12-03 00:23:12,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:23:12,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 00:23:12,482 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 00:23:12,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 00:23:12,482 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:23:12,483 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:23:12,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:23:12,483 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:23:12,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2023-12-03 00:23:16,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:23:16,047 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:23:16,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:23:17,047 INFO L262 TraceCheckSpWp]: Trace formula consists of 3280 conjuncts, 248 conjunts are in the unsatisfiable core [2023-12-03 00:23:17,058 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:23:24,977 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:23:25,014 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2023-12-03 00:23:25,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:23:25,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 00:23:25,071 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 00:23:25,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 00:23:25,071 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:23:25,071 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:23:25,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:23:25,072 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:23:25,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2023-12-03 00:23:28,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:23:28,740 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:23:29,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:23:29,789 INFO L262 TraceCheckSpWp]: Trace formula consists of 3280 conjuncts, 248 conjunts are in the unsatisfiable core [2023-12-03 00:23:29,800 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:23:37,562 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:23:37,598 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2023-12-03 00:23:37,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:23:37,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 00:23:37,653 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 00:23:37,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 00:23:37,654 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:23:37,654 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:23:37,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:23:37,655 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:23:37,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2023-12-03 00:23:41,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:23:41,006 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:23:41,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:23:42,048 INFO L262 TraceCheckSpWp]: Trace formula consists of 3280 conjuncts, 248 conjunts are in the unsatisfiable core [2023-12-03 00:23:42,058 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:23:49,958 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:23:49,994 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2023-12-03 00:23:50,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:23:50,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 00:23:50,048 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 00:23:50,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 00:23:50,048 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:23:50,048 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:23:50,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:23:50,049 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:23:50,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2023-12-03 00:23:53,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:23:53,605 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:23:54,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:23:54,647 INFO L262 TraceCheckSpWp]: Trace formula consists of 3280 conjuncts, 248 conjunts are in the unsatisfiable core [2023-12-03 00:23:54,657 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:24:02,310 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:24:02,347 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Ended with exit code 0 [2023-12-03 00:24:02,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:24:02,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 00:24:02,402 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 00:24:02,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 00:24:02,402 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:24:02,402 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:24:02,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:24:02,403 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:24:02,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2023-12-03 00:24:06,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:24:06,008 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:24:07,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:24:07,130 INFO L262 TraceCheckSpWp]: Trace formula consists of 3280 conjuncts, 248 conjunts are in the unsatisfiable core [2023-12-03 00:24:07,140 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:24:14,824 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:24:14,861 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Ended with exit code 0 [2023-12-03 00:24:14,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:24:14,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 00:24:14,946 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 00:24:14,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 00:24:14,946 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:24:14,946 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:24:14,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:24:14,947 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:24:14,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2023-12-03 00:24:18,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:24:18,518 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:24:19,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:24:19,592 INFO L262 TraceCheckSpWp]: Trace formula consists of 3280 conjuncts, 248 conjunts are in the unsatisfiable core [2023-12-03 00:24:19,604 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:24:27,476 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:24:27,512 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Ended with exit code 0 [2023-12-03 00:24:27,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:24:27,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 00:24:27,572 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 00:24:27,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 00:24:27,572 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:24:27,572 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:24:27,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:24:27,573 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:24:27,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2023-12-03 00:24:31,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:24:31,150 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:24:32,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:24:32,195 INFO L262 TraceCheckSpWp]: Trace formula consists of 3280 conjuncts, 248 conjunts are in the unsatisfiable core [2023-12-03 00:24:32,206 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:24:39,882 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:24:39,919 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Ended with exit code 0 [2023-12-03 00:24:39,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:24:39,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 00:24:39,974 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 00:24:39,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 00:24:39,974 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:24:39,974 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:24:39,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:24:39,975 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:24:39,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2023-12-03 00:24:43,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:24:43,471 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:24:44,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:24:44,579 INFO L262 TraceCheckSpWp]: Trace formula consists of 3280 conjuncts, 248 conjunts are in the unsatisfiable core [2023-12-03 00:24:44,590 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:24:52,210 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:24:52,248 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Ended with exit code 0 [2023-12-03 00:24:52,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:24:52,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 00:24:52,303 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 00:24:52,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 00:24:52,303 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:24:52,303 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:24:52,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:24:52,304 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:24:52,305 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2023-12-03 00:24:55,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:24:55,908 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:24:56,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:24:56,972 INFO L262 TraceCheckSpWp]: Trace formula consists of 3280 conjuncts, 248 conjunts are in the unsatisfiable core [2023-12-03 00:24:56,982 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:25:04,751 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:25:04,791 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Ended with exit code 0 [2023-12-03 00:25:04,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:25:04,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 00:25:04,846 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 00:25:04,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 00:25:04,846 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:25:04,846 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:25:04,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:25:04,847 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:25:04,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2023-12-03 00:25:08,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:25:08,511 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:25:09,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:25:09,611 INFO L262 TraceCheckSpWp]: Trace formula consists of 3280 conjuncts, 248 conjunts are in the unsatisfiable core [2023-12-03 00:25:09,622 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:25:17,442 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:25:17,479 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Ended with exit code 0 [2023-12-03 00:25:17,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:25:17,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 00:25:17,536 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 00:25:17,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 00:25:17,536 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:25:17,536 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:25:17,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:25:17,537 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:25:17,538 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f7a5e4-ef24-464c-affa-18111cae11d5/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2023-12-03 00:25:21,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:25:21,264 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported