./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.synabs.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/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_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.synabs.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/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_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/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 5d158962260c30d804a065123fd6610d4547bfb1f0024709f9d294e632350d48 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 01:15:14,039 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 01:15:14,103 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-12-03 01:15:14,107 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 01:15:14,108 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 01:15:14,129 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 01:15:14,130 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 01:15:14,130 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 01:15:14,131 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 01:15:14,132 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 01:15:14,132 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 01:15:14,133 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 01:15:14,133 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 01:15:14,134 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 01:15:14,134 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 01:15:14,135 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 01:15:14,135 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 01:15:14,136 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 01:15:14,136 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 01:15:14,137 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 01:15:14,137 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 01:15:14,138 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 01:15:14,139 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 01:15:14,139 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:15:14,140 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 01:15:14,140 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 01:15:14,140 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 01:15:14,141 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 01:15:14,141 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 01:15:14,142 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 01:15:14,142 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_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5d158962260c30d804a065123fd6610d4547bfb1f0024709f9d294e632350d48 [2023-12-03 01:15:14,360 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 01:15:14,379 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 01:15:14,381 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 01:15:14,383 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 01:15:14,383 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 01:15:14,385 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.synabs.c [2023-12-03 01:15:17,119 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 01:15:17,294 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 01:15:17,294 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.synabs.c [2023-12-03 01:15:17,304 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/data/32f8789b5/75d72c9ce44445f68fc82cd869ac5023/FLAG0284eb3cf [2023-12-03 01:15:17,317 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/data/32f8789b5/75d72c9ce44445f68fc82cd869ac5023 [2023-12-03 01:15:17,318 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 01:15:17,320 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 01:15:17,322 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 01:15:17,322 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 01:15:17,325 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 01:15:17,326 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:15:17" (1/1) ... [2023-12-03 01:15:17,327 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e9037b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:15:17, skipping insertion in model container [2023-12-03 01:15:17,327 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:15:17" (1/1) ... [2023-12-03 01:15:17,350 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:15:17,471 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_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.synabs.c[1246,1259] [2023-12-03 01:15:17,522 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:15:17,533 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 01:15:17,542 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_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.synabs.c[1246,1259] [2023-12-03 01:15:17,572 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:15:17,586 INFO L206 MainTranslator]: Completed translation [2023-12-03 01:15:17,587 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:15:17 WrapperNode [2023-12-03 01:15:17,587 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 01:15:17,588 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 01:15:17,588 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 01:15:17,588 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 01:15:17,594 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:15:17" (1/1) ... [2023-12-03 01:15:17,604 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:15:17" (1/1) ... [2023-12-03 01:15:17,651 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 245 [2023-12-03 01:15:17,652 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 01:15:17,653 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 01:15:17,653 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 01:15:17,653 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 01:15:17,660 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:15:17" (1/1) ... [2023-12-03 01:15:17,660 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:15:17" (1/1) ... [2023-12-03 01:15:17,666 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:15:17" (1/1) ... [2023-12-03 01:15:17,666 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:15:17" (1/1) ... [2023-12-03 01:15:17,683 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:15:17" (1/1) ... [2023-12-03 01:15:17,687 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:15:17" (1/1) ... [2023-12-03 01:15:17,691 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:15:17" (1/1) ... [2023-12-03 01:15:17,695 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:15:17" (1/1) ... [2023-12-03 01:15:17,701 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 01:15:17,702 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 01:15:17,702 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 01:15:17,702 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 01:15:17,703 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:15:17" (1/1) ... [2023-12-03 01:15:17,709 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:15:17,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 01:15:17,746 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 01:15:17,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 01:15:17,778 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 01:15:17,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 01:15:17,779 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 01:15:17,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 01:15:17,859 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 01:15:17,861 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 01:15:18,239 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 01:15:18,459 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 01:15:18,459 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 01:15:18,461 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:15:18 BoogieIcfgContainer [2023-12-03 01:15:18,461 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 01:15:18,462 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 01:15:18,462 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 01:15:18,470 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 01:15:18,470 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:15:18" (1/1) ... [2023-12-03 01:15:18,477 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 01:15:18,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:15:18,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-03 01:15:18,520 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-03 01:15:18,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 01:15:18,522 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:15:18,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:15:18,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:15:18,713 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 01:15:18,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:15:18,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:15:18,879 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 01:15:18,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:15:18,954 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 01:15:18,978 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-12-03 01:15:18,983 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 01:15:18 ImpRootNode [2023-12-03 01:15:18,983 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 01:15:18,984 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 01:15:18,984 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 01:15:18,984 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 01:15:18,985 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:15:18" (3/4) ... [2023-12-03 01:15:18,987 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 01:15:18,988 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 01:15:18,989 INFO L158 Benchmark]: Toolchain (without parser) took 1668.79ms. Allocated memory was 140.5MB in the beginning and 176.2MB in the end (delta: 35.7MB). Free memory was 100.3MB in the beginning and 139.7MB in the end (delta: -39.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:15:18,989 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 140.5MB. Free memory is still 112.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:15:18,990 INFO L158 Benchmark]: CACSL2BoogieTranslator took 265.57ms. Allocated memory is still 140.5MB. Free memory was 100.3MB in the beginning and 87.4MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-03 01:15:18,991 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.64ms. Allocated memory is still 140.5MB. Free memory was 87.1MB in the beginning and 82.0MB in the end (delta: 5.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-03 01:15:18,991 INFO L158 Benchmark]: Boogie Preprocessor took 48.43ms. Allocated memory is still 140.5MB. Free memory was 82.0MB in the beginning and 79.4MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 01:15:18,992 INFO L158 Benchmark]: RCFGBuilder took 759.25ms. Allocated memory was 140.5MB in the beginning and 176.2MB in the end (delta: 35.7MB). Free memory was 79.4MB in the beginning and 102.0MB in the end (delta: -22.6MB). Peak memory consumption was 37.6MB. Max. memory is 16.1GB. [2023-12-03 01:15:18,993 INFO L158 Benchmark]: CodeCheck took 521.21ms. Allocated memory is still 176.2MB. Free memory was 102.0MB in the beginning and 139.7MB in the end (delta: -37.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:15:18,993 INFO L158 Benchmark]: Witness Printer took 4.32ms. Allocated memory is still 176.2MB. Free memory is still 139.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:15:18,996 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: 0.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 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 68. 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_4 mask_SORT_4 = (SORT_4)-1 >> (sizeof(SORT_4) * 8 - 5); [L30] const SORT_4 msb_SORT_4 = (SORT_4)1 << (5 - 1); [L32] const SORT_8 mask_SORT_8 = (SORT_8)-1 >> (sizeof(SORT_8) * 8 - 4); [L33] const SORT_8 msb_SORT_8 = (SORT_8)1 << (4 - 1); [L35] const SORT_4 var_5 = 1; [L36] const SORT_8 var_9 = 2; [L37] const SORT_1 var_15 = 1; [L38] const SORT_4 var_19 = 5; [L39] const SORT_4 var_22 = 7; [L40] const SORT_4 var_26 = 11; [L41] const SORT_4 var_29 = 3; [L42] const SORT_8 var_30 = 1; [L43] const SORT_8 var_37 = 5; [L45] SORT_1 input_2; [L46] SORT_1 input_3; [L48] EXPR __VERIFIER_nondet_uchar() & mask_SORT_4 [L48] SORT_4 state_6 = __VERIFIER_nondet_uchar() & mask_SORT_4; [L49] EXPR __VERIFIER_nondet_uchar() & mask_SORT_4 [L49] SORT_4 state_20 = __VERIFIER_nondet_uchar() & mask_SORT_4; [L50] EXPR __VERIFIER_nondet_uchar() & mask_SORT_4 [L50] SORT_4 state_23 = __VERIFIER_nondet_uchar() & mask_SORT_4; [L51] EXPR __VERIFIER_nondet_uchar() & mask_SORT_4 [L51] SORT_4 state_27 = __VERIFIER_nondet_uchar() & mask_SORT_4; [L53] SORT_4 init_7_arg_1 = var_5; [L54] state_6 = init_7_arg_1 [L55] SORT_4 init_21_arg_1 = var_19; [L56] state_20 = init_21_arg_1 [L57] SORT_4 init_24_arg_1 = var_22; [L58] state_23 = init_24_arg_1 [L59] SORT_4 init_28_arg_1 = var_26; [L60] state_27 = init_28_arg_1 VAL [init_21_arg_1=5, init_24_arg_1=7, init_28_arg_1=11, init_7_arg_1=1, mask_SORT_1=1, mask_SORT_4=31, mask_SORT_8=15, msb_SORT_1=1, msb_SORT_4=16, msb_SORT_8=8, state_20=5, state_23=7, state_27=11, state_6=1, var_15=1, var_19=5, var_22=7, var_26=11, var_29=3, var_30=1, var_37=5, var_5=1, var_9=2] [L63] input_2 = __VERIFIER_nondet_uchar() [L64] input_3 = __VERIFIER_nondet_uchar() [L67] SORT_8 var_10_arg_0 = var_9; [L68] EXPR var_10_arg_0 & mask_SORT_8 [L68] var_10_arg_0 = var_10_arg_0 & mask_SORT_8 [L69] SORT_4 var_10 = var_10_arg_0; [L70] SORT_4 var_11_arg_0 = state_6; [L71] SORT_4 var_11_arg_1 = var_10; [L72] SORT_1 var_11 = var_11_arg_0 == var_11_arg_1; [L73] SORT_1 var_12_arg_0 = var_11; [L74] SORT_1 var_12 = ~var_12_arg_0; [L75] SORT_1 var_16_arg_0 = var_12; [L76] SORT_1 var_16 = ~var_16_arg_0; [L77] SORT_1 var_17_arg_0 = var_15; [L78] SORT_1 var_17_arg_1 = var_16; [L79] EXPR var_17_arg_0 & var_17_arg_1 [L79] SORT_1 var_17 = var_17_arg_0 & var_17_arg_1; [L80] EXPR var_17 & mask_SORT_1 [L80] var_17 = var_17 & mask_SORT_1 [L81] SORT_1 bad_18_arg_0 = var_17; [L82] CALL __VERIFIER_assert(!(bad_18_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 0.18ms. Allocated memory is still 140.5MB. Free memory is still 112.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 265.57ms. Allocated memory is still 140.5MB. Free memory was 100.3MB in the beginning and 87.4MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.64ms. Allocated memory is still 140.5MB. Free memory was 87.1MB in the beginning and 82.0MB in the end (delta: 5.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.43ms. Allocated memory is still 140.5MB. Free memory was 82.0MB in the beginning and 79.4MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 759.25ms. Allocated memory was 140.5MB in the beginning and 176.2MB in the end (delta: 35.7MB). Free memory was 79.4MB in the beginning and 102.0MB in the end (delta: -22.6MB). Peak memory consumption was 37.6MB. Max. memory is 16.1GB. * CodeCheck took 521.21ms. Allocated memory is still 176.2MB. Free memory was 102.0MB in the beginning and 139.7MB in the end (delta: -37.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.32ms. Allocated memory is still 176.2MB. Free memory is still 139.7MB. 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 01:15:19,021 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/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_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.synabs.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/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_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/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 5d158962260c30d804a065123fd6610d4547bfb1f0024709f9d294e632350d48 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 01:15:20,931 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 01:15:21,009 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-12-03 01:15:21,040 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 01:15:21,041 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 01:15:21,042 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 01:15:21,042 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 01:15:21,043 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 01:15:21,044 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 01:15:21,044 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 01:15:21,045 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 01:15:21,045 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 01:15:21,046 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 01:15:21,046 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 01:15:21,047 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 01:15:21,047 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 01:15:21,048 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 01:15:21,048 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 01:15:21,049 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 01:15:21,049 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 01:15:21,050 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 01:15:21,054 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 01:15:21,055 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 01:15:21,055 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 01:15:21,056 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 01:15:21,056 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:15:21,057 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 01:15:21,057 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 01:15:21,057 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 01:15:21,058 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 01:15:21,058 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 01:15:21,058 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 01:15:21,059 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 01:15:21,059 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 01:15:21,059 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_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5d158962260c30d804a065123fd6610d4547bfb1f0024709f9d294e632350d48 [2023-12-03 01:15:21,341 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 01:15:21,359 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 01:15:21,361 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 01:15:21,362 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 01:15:21,363 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 01:15:21,364 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.synabs.c [2023-12-03 01:15:24,146 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 01:15:24,343 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 01:15:24,344 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.synabs.c [2023-12-03 01:15:24,352 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/data/b0d0a1b77/a6576547269447ca8eef7baa89b8b657/FLAG624f9c421 [2023-12-03 01:15:24,366 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/data/b0d0a1b77/a6576547269447ca8eef7baa89b8b657 [2023-12-03 01:15:24,369 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 01:15:24,370 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 01:15:24,371 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 01:15:24,372 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 01:15:24,375 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 01:15:24,376 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:15:24" (1/1) ... [2023-12-03 01:15:24,377 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30fe91df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:15:24, skipping insertion in model container [2023-12-03 01:15:24,378 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:15:24" (1/1) ... [2023-12-03 01:15:24,403 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:15:24,532 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_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.synabs.c[1246,1259] [2023-12-03 01:15:24,577 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:15:24,588 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 01:15:24,598 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_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.synabs.c[1246,1259] [2023-12-03 01:15:24,624 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:15:24,637 INFO L206 MainTranslator]: Completed translation [2023-12-03 01:15:24,637 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:15:24 WrapperNode [2023-12-03 01:15:24,638 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 01:15:24,638 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 01:15:24,639 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 01:15:24,639 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 01:15:24,644 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:15:24" (1/1) ... [2023-12-03 01:15:24,654 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:15:24" (1/1) ... [2023-12-03 01:15:24,680 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 125 [2023-12-03 01:15:24,680 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 01:15:24,681 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 01:15:24,681 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 01:15:24,681 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 01:15:24,689 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:15:24" (1/1) ... [2023-12-03 01:15:24,689 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:15:24" (1/1) ... [2023-12-03 01:15:24,693 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:15:24" (1/1) ... [2023-12-03 01:15:24,694 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:15:24" (1/1) ... [2023-12-03 01:15:24,701 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:15:24" (1/1) ... [2023-12-03 01:15:24,704 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:15:24" (1/1) ... [2023-12-03 01:15:24,706 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:15:24" (1/1) ... [2023-12-03 01:15:24,708 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:15:24" (1/1) ... [2023-12-03 01:15:24,712 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 01:15:24,713 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 01:15:24,713 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 01:15:24,713 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 01:15:24,714 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:15:24" (1/1) ... [2023-12-03 01:15:24,720 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:15:24,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 01:15:24,739 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 01:15:24,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 01:15:24,781 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 01:15:24,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 01:15:24,781 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 01:15:24,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 01:15:24,863 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 01:15:24,865 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 01:15:25,063 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 01:15:25,104 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 01:15:25,104 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 01:15:25,106 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:15:25 BoogieIcfgContainer [2023-12-03 01:15:25,106 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 01:15:25,107 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 01:15:25,107 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 01:15:25,114 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 01:15:25,114 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:15:25" (1/1) ... [2023-12-03 01:15:25,122 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 01:15:25,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:15:25,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-03 01:15:25,165 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-03 01:15:25,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 01:15:25,166 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:15:25,167 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:15:25,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:15:25,169 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:15:25,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 01:15:25,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:15:25,293 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:15:25,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:15:25,327 INFO L262 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-03 01:15:25,333 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:15:25,564 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 01:15:25,569 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 01:15:25,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:15:25,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2023-12-03 01:15:25,639 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2023-12-03 01:15:25,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 01:15:25,640 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:15:25,640 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:15:25,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:15:25,641 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:15:25,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 01:15:25,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:15:25,754 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:15:25,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:15:25,797 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 36 conjunts are in the unsatisfiable core [2023-12-03 01:15:25,800 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:15:26,157 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 01:15:26,159 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 01:15:26,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:15:26,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 12 states and 19 transitions. [2023-12-03 01:15:26,773 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 19 transitions. [2023-12-03 01:15:26,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 01:15:26,775 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:15:26,775 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:15:26,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:15:26,776 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:15:26,777 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 01:15:26,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:15:26,887 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:15:26,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:15:26,939 INFO L262 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 61 conjunts are in the unsatisfiable core [2023-12-03 01:15:26,944 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:15:27,633 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:15:27,636 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-03 01:15:29,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:15:29,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 19 states and 35 transitions. [2023-12-03 01:15:29,164 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 35 transitions. [2023-12-03 01:15:29,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 01:15:29,164 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:15:29,165 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:15:29,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:15:29,166 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:15:29,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-03 01:15:29,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:15:29,290 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:15:29,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:15:29,344 INFO L262 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 77 conjunts are in the unsatisfiable core [2023-12-03 01:15:29,347 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:15:30,123 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:15:30,125 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-03 01:15:30,125 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 01:15:32,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:15:32,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 29 states and 58 transitions. [2023-12-03 01:15:32,521 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 58 transitions. [2023-12-03 01:15:32,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 01:15:32,522 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:15:32,522 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:15:32,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:15:32,523 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:15:32,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-03 01:15:32,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:15:32,705 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:15:32,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:15:32,776 INFO L262 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 50 conjunts are in the unsatisfiable core [2023-12-03 01:15:32,779 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:15:33,342 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 01:15:33,344 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-03 01:15:35,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:15:35,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 36 states and 73 transitions. [2023-12-03 01:15:35,212 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 73 transitions. [2023-12-03 01:15:35,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-03 01:15:35,213 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:15:35,213 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:15:35,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:15:35,214 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:15:35,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-03 01:15:35,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:15:35,374 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:15:35,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:15:35,451 INFO L262 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 66 conjunts are in the unsatisfiable core [2023-12-03 01:15:35,455 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:15:37,009 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:15:37,012 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2023-12-03 01:15:45,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:15:45,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 52 states and 124 transitions. [2023-12-03 01:15:45,316 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 124 transitions. [2023-12-03 01:15:45,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 01:15:45,317 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:15:45,317 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:15:45,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:15:45,318 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:15:45,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-03 01:15:45,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:15:45,490 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:15:45,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:15:45,557 INFO L262 TraceCheckSpWp]: Trace formula consists of 388 conjuncts, 73 conjunts are in the unsatisfiable core [2023-12-03 01:15:45,560 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:15:46,490 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:15:46,493 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-03 01:15:51,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:15:51,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 58 states and 160 transitions. [2023-12-03 01:15:51,609 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 160 transitions. [2023-12-03 01:15:51,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 01:15:51,610 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:15:51,610 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:15:51,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:15:51,612 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:15:51,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-03 01:15:51,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:15:51,790 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:15:51,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:15:51,865 INFO L262 TraceCheckSpWp]: Trace formula consists of 388 conjuncts, 73 conjunts are in the unsatisfiable core [2023-12-03 01:15:51,868 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:15:52,372 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:15:52,374 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-12-03 01:15:53,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:15:53,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 59 states and 163 transitions. [2023-12-03 01:15:53,166 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 163 transitions. [2023-12-03 01:15:53,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 01:15:53,168 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:15:53,168 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:15:53,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:15:53,169 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:15:53,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-03 01:15:53,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:15:53,376 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:15:53,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:15:53,464 INFO L262 TraceCheckSpWp]: Trace formula consists of 388 conjuncts, 73 conjunts are in the unsatisfiable core [2023-12-03 01:15:53,468 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:15:53,998 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:15:54,001 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2023-12-03 01:15:54,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:15:54,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 60 states and 165 transitions. [2023-12-03 01:15:54,717 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 165 transitions. [2023-12-03 01:15:54,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 01:15:54,718 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:15:54,718 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:15:54,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:15:54,719 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:15:54,721 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-03 01:15:54,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:15:54,878 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:15:54,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:15:54,950 INFO L262 TraceCheckSpWp]: Trace formula consists of 388 conjuncts, 73 conjunts are in the unsatisfiable core [2023-12-03 01:15:54,953 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:15:55,485 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:15:55,488 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2023-12-03 01:15:56,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:15:56,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 61 states and 169 transitions. [2023-12-03 01:15:56,499 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 169 transitions. [2023-12-03 01:15:56,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 01:15:56,500 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:15:56,501 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:15:56,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:15:56,502 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:15:56,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-03 01:15:56,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:15:56,697 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:15:56,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:15:56,794 INFO L262 TraceCheckSpWp]: Trace formula consists of 444 conjuncts, 64 conjunts are in the unsatisfiable core [2023-12-03 01:15:56,797 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:15:57,272 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-12-03 01:15:57,275 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2023-12-03 01:16:02,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:16:02,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 68 states and 191 transitions. [2023-12-03 01:16:02,154 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 191 transitions. [2023-12-03 01:16:02,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 01:16:02,155 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:16:02,155 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:16:02,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:16:02,156 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:16:02,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-12-03 01:16:02,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:16:02,339 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:16:02,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:16:02,415 INFO L262 TraceCheckSpWp]: Trace formula consists of 444 conjuncts, 64 conjunts are in the unsatisfiable core [2023-12-03 01:16:02,417 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:16:02,795 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-12-03 01:16:02,798 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2023-12-03 01:16:05,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:16:05,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 71 states and 195 transitions. [2023-12-03 01:16:05,028 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 195 transitions. [2023-12-03 01:16:05,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 01:16:05,029 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:16:05,029 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:16:05,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:16:05,030 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:16:05,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-12-03 01:16:05,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:16:05,213 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:16:05,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:16:05,295 INFO L262 TraceCheckSpWp]: Trace formula consists of 444 conjuncts, 64 conjunts are in the unsatisfiable core [2023-12-03 01:16:05,297 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:16:05,726 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-12-03 01:16:05,729 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2023-12-03 01:16:08,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:16:08,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 74 states and 201 transitions. [2023-12-03 01:16:08,469 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 201 transitions. [2023-12-03 01:16:08,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 01:16:08,469 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:16:08,470 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:16:08,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:16:08,471 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:16:08,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-12-03 01:16:08,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:16:08,656 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:16:08,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:16:08,740 INFO L262 TraceCheckSpWp]: Trace formula consists of 444 conjuncts, 64 conjunts are in the unsatisfiable core [2023-12-03 01:16:08,743 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:16:09,184 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-12-03 01:16:09,187 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2023-12-03 01:16:12,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:16:12,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 77 states and 211 transitions. [2023-12-03 01:16:12,030 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 211 transitions. [2023-12-03 01:16:12,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 01:16:12,031 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:16:12,031 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:16:12,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:16:12,032 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:16:12,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2023-12-03 01:16:12,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:16:12,223 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:16:12,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:16:12,304 INFO L262 TraceCheckSpWp]: Trace formula consists of 444 conjuncts, 64 conjunts are in the unsatisfiable core [2023-12-03 01:16:12,308 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:16:12,720 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-12-03 01:16:12,724 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 01:16:12,724 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Forceful destruction successful, exit code 0 [2023-12-03 01:16:13,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:16:13,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 78 states and 212 transitions. [2023-12-03 01:16:13,583 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 212 transitions. [2023-12-03 01:16:13,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 01:16:13,584 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:16:13,584 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:16:13,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:16:13,585 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:16:13,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2023-12-03 01:16:13,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:16:13,767 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:16:13,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:16:13,845 INFO L262 TraceCheckSpWp]: Trace formula consists of 444 conjuncts, 64 conjunts are in the unsatisfiable core [2023-12-03 01:16:13,847 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:16:14,311 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-12-03 01:16:14,314 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2023-12-03 01:16:14,314 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 01:16:15,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:16:15,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 79 states and 213 transitions. [2023-12-03 01:16:15,256 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 213 transitions. [2023-12-03 01:16:15,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 01:16:15,257 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:16:15,257 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:16:15,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:16:15,258 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:16:15,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2023-12-03 01:16:15,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:16:15,437 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:16:15,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:16:15,519 INFO L262 TraceCheckSpWp]: Trace formula consists of 444 conjuncts, 64 conjunts are in the unsatisfiable core [2023-12-03 01:16:15,521 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:16:15,925 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-12-03 01:16:15,927 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2023-12-03 01:16:16,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:16:16,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 80 states and 213 transitions. [2023-12-03 01:16:16,756 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 213 transitions. [2023-12-03 01:16:16,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 01:16:16,757 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:16:16,757 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:16:16,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:16:16,758 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:16:16,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2023-12-03 01:16:16,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:16:16,948 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:16:17,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:16:17,029 INFO L262 TraceCheckSpWp]: Trace formula consists of 444 conjuncts, 64 conjunts are in the unsatisfiable core [2023-12-03 01:16:17,031 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:16:17,461 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-12-03 01:16:17,464 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2023-12-03 01:16:18,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:16:18,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 81 states and 213 transitions. [2023-12-03 01:16:18,338 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 213 transitions. [2023-12-03 01:16:18,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-03 01:16:18,339 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:16:18,339 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:16:18,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:16:18,340 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:16:18,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2023-12-03 01:16:18,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:16:18,560 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:16:18,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:16:18,652 INFO L262 TraceCheckSpWp]: Trace formula consists of 500 conjuncts, 87 conjunts are in the unsatisfiable core [2023-12-03 01:16:18,655 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:16:20,237 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:16:20,241 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2023-12-03 01:16:33,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:16:33,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 93 states and 270 transitions. [2023-12-03 01:16:33,709 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 270 transitions. [2023-12-03 01:16:33,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-03 01:16:33,709 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:16:33,709 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:16:33,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:16:33,710 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:16:33,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2023-12-03 01:16:33,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:16:33,917 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:16:34,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:16:34,010 INFO L262 TraceCheckSpWp]: Trace formula consists of 500 conjuncts, 87 conjunts are in the unsatisfiable core [2023-12-03 01:16:34,012 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:16:34,624 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:16:34,627 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2023-12-03 01:16:35,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:16:35,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 94 states and 271 transitions. [2023-12-03 01:16:35,651 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 271 transitions. [2023-12-03 01:16:35,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-03 01:16:35,652 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:16:35,652 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:16:35,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:16:35,653 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:16:35,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2023-12-03 01:16:35,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:16:35,853 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:16:35,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:16:35,950 INFO L262 TraceCheckSpWp]: Trace formula consists of 500 conjuncts, 87 conjunts are in the unsatisfiable core [2023-12-03 01:16:35,953 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:16:36,573 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:16:36,577 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2023-12-03 01:16:37,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:16:37,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 95 states and 272 transitions. [2023-12-03 01:16:37,600 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 272 transitions. [2023-12-03 01:16:37,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-03 01:16:37,601 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:16:37,601 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:16:37,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:16:37,602 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:16:37,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2023-12-03 01:16:37,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:16:37,836 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:16:37,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:16:37,941 INFO L262 TraceCheckSpWp]: Trace formula consists of 500 conjuncts, 87 conjunts are in the unsatisfiable core [2023-12-03 01:16:37,944 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:16:38,583 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:16:38,586 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2023-12-03 01:16:39,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:16:39,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 96 states and 273 transitions. [2023-12-03 01:16:39,634 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 273 transitions. [2023-12-03 01:16:39,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-03 01:16:39,634 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:16:39,634 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:16:39,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:16:39,635 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:16:39,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2023-12-03 01:16:39,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:16:39,843 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:16:39,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:16:39,933 INFO L262 TraceCheckSpWp]: Trace formula consists of 500 conjuncts, 87 conjunts are in the unsatisfiable core [2023-12-03 01:16:39,936 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:16:40,529 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:16:40,532 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2023-12-03 01:16:43,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:16:43,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 99 states and 281 transitions. [2023-12-03 01:16:43,565 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 281 transitions. [2023-12-03 01:16:43,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-03 01:16:43,566 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:16:43,566 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:16:43,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:16:43,567 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:16:43,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2023-12-03 01:16:43,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:16:43,793 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:16:43,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:16:43,900 INFO L262 TraceCheckSpWp]: Trace formula consists of 556 conjuncts, 94 conjunts are in the unsatisfiable core [2023-12-03 01:16:43,902 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:16:45,561 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:16:45,564 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2023-12-03 01:16:59,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:16:59,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 108 states and 341 transitions. [2023-12-03 01:16:59,029 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 341 transitions. [2023-12-03 01:16:59,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-03 01:16:59,029 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:16:59,030 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:16:59,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:16:59,030 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:16:59,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2023-12-03 01:16:59,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:16:59,256 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:16:59,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:16:59,367 INFO L262 TraceCheckSpWp]: Trace formula consists of 556 conjuncts, 94 conjunts are in the unsatisfiable core [2023-12-03 01:16:59,369 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:17:00,087 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:17:00,090 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2023-12-03 01:17:04,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:17:04,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 112 states and 346 transitions. [2023-12-03 01:17:04,577 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 346 transitions. [2023-12-03 01:17:04,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-03 01:17:04,578 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:17:04,578 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:17:04,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:17:04,579 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:17:04,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2023-12-03 01:17:04,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:17:04,827 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:17:04,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:17:04,940 INFO L262 TraceCheckSpWp]: Trace formula consists of 556 conjuncts, 94 conjunts are in the unsatisfiable core [2023-12-03 01:17:04,942 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:17:05,650 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:17:05,653 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2023-12-03 01:17:06,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:17:06,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 113 states and 350 transitions. [2023-12-03 01:17:06,998 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 350 transitions. [2023-12-03 01:17:06,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-03 01:17:06,998 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:17:06,998 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:17:06,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:17:06,999 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:17:07,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2023-12-03 01:17:07,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:17:07,217 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:17:07,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:17:07,334 INFO L262 TraceCheckSpWp]: Trace formula consists of 556 conjuncts, 94 conjunts are in the unsatisfiable core [2023-12-03 01:17:07,336 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:17:08,047 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:17:08,050 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2023-12-03 01:17:09,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:17:09,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 114 states and 352 transitions. [2023-12-03 01:17:09,756 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 352 transitions. [2023-12-03 01:17:09,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-03 01:17:09,756 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:17:09,757 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:17:09,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:17:09,757 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:17:09,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2023-12-03 01:17:09,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:17:09,986 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:17:10,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:17:10,091 INFO L262 TraceCheckSpWp]: Trace formula consists of 556 conjuncts, 94 conjunts are in the unsatisfiable core [2023-12-03 01:17:10,095 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:17:10,765 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:17:10,769 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2023-12-03 01:17:12,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:17:12,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 115 states and 354 transitions. [2023-12-03 01:17:12,119 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 354 transitions. [2023-12-03 01:17:12,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-12-03 01:17:12,119 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:17:12,119 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:17:12,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:17:12,120 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:17:12,123 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2023-12-03 01:17:12,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:17:12,389 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:17:12,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:17:12,486 INFO L262 TraceCheckSpWp]: Trace formula consists of 612 conjuncts, 78 conjunts are in the unsatisfiable core [2023-12-03 01:17:12,488 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:17:13,031 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 0 proven. 122 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-12-03 01:17:13,035 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2023-12-03 01:17:16,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:17:16,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 118 states and 359 transitions. [2023-12-03 01:17:16,955 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 359 transitions. [2023-12-03 01:17:16,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-12-03 01:17:16,955 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:17:16,955 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:17:16,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:17:16,956 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:17:16,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2023-12-03 01:17:17,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:17:17,216 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:17:17,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:17:17,322 INFO L262 TraceCheckSpWp]: Trace formula consists of 612 conjuncts, 78 conjunts are in the unsatisfiable core [2023-12-03 01:17:17,324 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:17:17,984 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 0 proven. 122 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-12-03 01:17:17,987 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2023-12-03 01:17:23,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:17:23,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 122 states and 367 transitions. [2023-12-03 01:17:23,153 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 367 transitions. [2023-12-03 01:17:23,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-12-03 01:17:23,154 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:17:23,154 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:17:23,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:17:23,155 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:17:23,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2023-12-03 01:17:23,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:17:23,430 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:17:23,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:17:23,552 INFO L262 TraceCheckSpWp]: Trace formula consists of 612 conjuncts, 78 conjunts are in the unsatisfiable core [2023-12-03 01:17:23,554 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:17:24,108 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 0 proven. 122 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-12-03 01:17:24,111 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2023-12-03 01:17:30,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:17:30,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 127 states and 381 transitions. [2023-12-03 01:17:30,410 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 381 transitions. [2023-12-03 01:17:30,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-12-03 01:17:30,410 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:17:30,410 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:17:30,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:17:30,411 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:17:30,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2023-12-03 01:17:30,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:17:30,646 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:17:30,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:17:30,756 INFO L262 TraceCheckSpWp]: Trace formula consists of 612 conjuncts, 78 conjunts are in the unsatisfiable core [2023-12-03 01:17:30,760 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:17:31,360 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 0 proven. 122 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-12-03 01:17:31,363 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2023-12-03 01:17:32,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:17:32,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 128 states and 382 transitions. [2023-12-03 01:17:32,716 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 382 transitions. [2023-12-03 01:17:32,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-12-03 01:17:32,716 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:17:32,717 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:17:32,717 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:17:32,717 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:17:32,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2023-12-03 01:17:32,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:17:32,970 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:17:33,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:17:33,081 INFO L262 TraceCheckSpWp]: Trace formula consists of 612 conjuncts, 78 conjunts are in the unsatisfiable core [2023-12-03 01:17:33,083 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:17:33,677 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 0 proven. 122 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-12-03 01:17:33,681 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2023-12-03 01:17:34,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:17:34,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 129 states and 386 transitions. [2023-12-03 01:17:34,976 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 386 transitions. [2023-12-03 01:17:34,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-12-03 01:17:34,977 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:17:34,977 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:17:34,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:17:34,978 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:17:34,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2023-12-03 01:17:35,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:17:35,220 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:17:35,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:17:35,323 INFO L262 TraceCheckSpWp]: Trace formula consists of 612 conjuncts, 78 conjunts are in the unsatisfiable core [2023-12-03 01:17:35,325 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:17:35,874 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 0 proven. 122 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-12-03 01:17:35,877 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2023-12-03 01:17:37,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:17:37,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 130 states and 386 transitions. [2023-12-03 01:17:37,142 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 386 transitions. [2023-12-03 01:17:37,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-12-03 01:17:37,143 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:17:37,143 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:17:37,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:17:37,144 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:17:37,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2023-12-03 01:17:37,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:17:37,406 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:17:37,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:17:37,512 INFO L262 TraceCheckSpWp]: Trace formula consists of 612 conjuncts, 78 conjunts are in the unsatisfiable core [2023-12-03 01:17:37,515 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:17:38,113 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 0 proven. 122 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-12-03 01:17:38,116 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2023-12-03 01:17:39,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:17:39,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 131 states and 386 transitions. [2023-12-03 01:17:39,394 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 386 transitions. [2023-12-03 01:17:39,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-12-03 01:17:39,394 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:17:39,394 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:17:39,394 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:17:39,395 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:17:39,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2023-12-03 01:17:39,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:17:39,688 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:17:39,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:17:39,806 INFO L262 TraceCheckSpWp]: Trace formula consists of 668 conjuncts, 108 conjunts are in the unsatisfiable core [2023-12-03 01:17:39,810 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:17:42,493 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 0 proven. 187 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:17:42,496 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2023-12-03 01:17:57,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:17:57,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 138 states and 445 transitions. [2023-12-03 01:17:57,262 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 445 transitions. [2023-12-03 01:17:57,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-12-03 01:17:57,263 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:17:57,263 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:17:57,263 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:17:57,264 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:17:57,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2023-12-03 01:17:57,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:17:57,537 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:17:57,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:17:57,653 INFO L262 TraceCheckSpWp]: Trace formula consists of 668 conjuncts, 108 conjunts are in the unsatisfiable core [2023-12-03 01:17:57,657 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:17:58,534 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 0 proven. 187 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:17:58,537 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2023-12-03 01:18:00,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:18:00,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 139 states and 445 transitions. [2023-12-03 01:18:00,085 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 445 transitions. [2023-12-03 01:18:00,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-12-03 01:18:00,085 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:18:00,085 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:18:00,085 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:18:00,086 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:18:00,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2023-12-03 01:18:00,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:18:00,397 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:18:00,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:18:00,520 INFO L262 TraceCheckSpWp]: Trace formula consists of 668 conjuncts, 108 conjunts are in the unsatisfiable core [2023-12-03 01:18:00,523 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:18:01,350 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 0 proven. 187 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:18:01,353 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Forceful destruction successful, exit code 0 [2023-12-03 01:18:07,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:18:07,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 142 states and 448 transitions. [2023-12-03 01:18:07,285 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 448 transitions. [2023-12-03 01:18:07,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-12-03 01:18:07,285 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:18:07,285 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:18:07,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:18:07,286 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:18:07,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2023-12-03 01:18:07,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:18:07,631 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:18:07,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:18:07,747 INFO L262 TraceCheckSpWp]: Trace formula consists of 668 conjuncts, 108 conjunts are in the unsatisfiable core [2023-12-03 01:18:07,749 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:18:08,659 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 0 proven. 187 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:18:08,663 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2023-12-03 01:18:10,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:18:10,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 143 states and 449 transitions. [2023-12-03 01:18:10,202 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 449 transitions. [2023-12-03 01:18:10,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-12-03 01:18:10,203 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:18:10,203 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:18:10,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:18:10,204 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:18:10,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2023-12-03 01:18:10,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:18:10,478 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:18:10,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:18:10,584 INFO L262 TraceCheckSpWp]: Trace formula consists of 668 conjuncts, 108 conjunts are in the unsatisfiable core [2023-12-03 01:18:10,586 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:18:11,424 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 0 proven. 187 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:18:11,427 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2023-12-03 01:18:16,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:18:16,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 146 states and 459 transitions. [2023-12-03 01:18:16,451 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 459 transitions. [2023-12-03 01:18:16,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-12-03 01:18:16,451 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:18:16,451 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:18:16,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:18:16,452 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:18:16,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2023-12-03 01:18:16,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:18:16,733 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:18:16,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:18:16,858 INFO L262 TraceCheckSpWp]: Trace formula consists of 668 conjuncts, 108 conjunts are in the unsatisfiable core [2023-12-03 01:18:16,860 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:18:17,751 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 0 proven. 187 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:18:17,754 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2023-12-03 01:18:22,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:18:22,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 149 states and 468 transitions. [2023-12-03 01:18:22,598 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 468 transitions. [2023-12-03 01:18:22,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-12-03 01:18:22,598 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:18:22,598 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:18:22,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:18:22,599 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:18:22,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2023-12-03 01:18:22,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:18:22,872 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:18:22,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:18:22,973 INFO L262 TraceCheckSpWp]: Trace formula consists of 668 conjuncts, 108 conjunts are in the unsatisfiable core [2023-12-03 01:18:22,975 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:18:23,814 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 0 proven. 187 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:18:23,817 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2023-12-03 01:18:25,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:18:25,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 150 states and 468 transitions. [2023-12-03 01:18:25,496 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 468 transitions. [2023-12-03 01:18:25,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-12-03 01:18:25,496 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:18:25,497 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:18:25,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:18:25,498 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:18:25,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2023-12-03 01:18:25,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:18:25,788 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:18:25,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:18:25,911 INFO L262 TraceCheckSpWp]: Trace formula consists of 724 conjuncts, 115 conjunts are in the unsatisfiable core [2023-12-03 01:18:25,914 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:18:28,418 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 0 proven. 222 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:18:28,422 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2023-12-03 01:18:43,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:18:43,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 156 states and 504 transitions. [2023-12-03 01:18:43,745 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 504 transitions. [2023-12-03 01:18:43,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-12-03 01:18:43,746 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:18:43,746 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:18:43,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:18:43,747 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:18:43,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2023-12-03 01:18:44,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:18:44,039 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:18:44,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:18:44,179 INFO L262 TraceCheckSpWp]: Trace formula consists of 724 conjuncts, 115 conjunts are in the unsatisfiable core [2023-12-03 01:18:44,182 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:18:45,114 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 0 proven. 222 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:18:45,118 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2023-12-03 01:18:47,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:18:47,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 157 states and 506 transitions. [2023-12-03 01:18:47,378 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 506 transitions. [2023-12-03 01:18:47,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-12-03 01:18:47,379 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:18:47,379 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:18:47,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:18:47,380 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:18:47,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2023-12-03 01:18:47,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:18:47,677 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:18:47,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:18:47,826 INFO L262 TraceCheckSpWp]: Trace formula consists of 724 conjuncts, 304 conjunts are in the unsatisfiable core [2023-12-03 01:18:47,830 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:18:55,475 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 0 proven. 222 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:18:55,479 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2023-12-03 01:19:23,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:19:23,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 175 states and 543 transitions. [2023-12-03 01:19:23,436 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 543 transitions. [2023-12-03 01:19:23,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-12-03 01:19:23,436 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:19:23,437 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:19:23,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:19:23,437 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:19:23,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2023-12-03 01:19:23,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:19:23,732 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:19:23,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:19:23,854 INFO L262 TraceCheckSpWp]: Trace formula consists of 724 conjuncts, 115 conjunts are in the unsatisfiable core [2023-12-03 01:19:23,856 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:19:24,718 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 0 proven. 222 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:19:24,723 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2023-12-03 01:19:35,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:19:35,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 180 states and 565 transitions. [2023-12-03 01:19:35,215 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 565 transitions. [2023-12-03 01:19:35,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-12-03 01:19:35,215 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:19:35,215 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:19:35,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:19:35,216 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:19:35,217 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2023-12-03 01:19:35,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:19:35,534 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:19:35,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:19:35,684 INFO L262 TraceCheckSpWp]: Trace formula consists of 724 conjuncts, 115 conjunts are in the unsatisfiable core [2023-12-03 01:19:35,687 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:19:36,640 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 0 proven. 222 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:19:36,643 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2023-12-03 01:19:39,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:19:39,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 181 states and 567 transitions. [2023-12-03 01:19:39,216 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 567 transitions. [2023-12-03 01:19:39,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-12-03 01:19:39,216 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:19:39,217 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:19:39,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:19:39,218 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:19:39,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2023-12-03 01:19:39,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:19:39,512 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:19:39,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:19:39,649 INFO L262 TraceCheckSpWp]: Trace formula consists of 724 conjuncts, 115 conjunts are in the unsatisfiable core [2023-12-03 01:19:39,652 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:19:40,575 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 0 proven. 222 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:19:40,579 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2023-12-03 01:19:42,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:19:42,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 182 states and 567 transitions. [2023-12-03 01:19:42,571 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 567 transitions. [2023-12-03 01:19:42,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-12-03 01:19:42,571 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:19:42,571 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:19:42,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:19:42,572 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:19:42,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2023-12-03 01:19:42,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:19:42,870 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:19:42,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:19:43,005 INFO L262 TraceCheckSpWp]: Trace formula consists of 724 conjuncts, 115 conjunts are in the unsatisfiable core [2023-12-03 01:19:43,007 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:19:43,942 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 0 proven. 222 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:19:43,946 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2023-12-03 01:19:46,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:19:46,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 183 states and 569 transitions. [2023-12-03 01:19:46,161 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 569 transitions. [2023-12-03 01:19:46,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-12-03 01:19:46,161 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:19:46,161 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:19:46,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:19:46,162 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:19:46,163 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2023-12-03 01:19:46,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:19:46,455 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:19:46,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:19:46,574 INFO L262 TraceCheckSpWp]: Trace formula consists of 724 conjuncts, 115 conjunts are in the unsatisfiable core [2023-12-03 01:19:46,576 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:19:47,481 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 0 proven. 222 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:19:47,485 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Forceful destruction successful, exit code 0 [2023-12-03 01:19:49,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:19:49,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 184 states and 573 transitions. [2023-12-03 01:19:49,942 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 573 transitions. [2023-12-03 01:19:49,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-12-03 01:19:49,942 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:19:49,942 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:19:49,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:19:49,943 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:19:49,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2023-12-03 01:19:50,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:19:50,232 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:19:50,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:19:50,362 INFO L262 TraceCheckSpWp]: Trace formula consists of 724 conjuncts, 115 conjunts are in the unsatisfiable core [2023-12-03 01:19:50,364 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:19:51,247 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 0 proven. 222 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:19:51,251 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Ended with exit code 0 [2023-12-03 01:19:53,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:19:53,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 185 states and 575 transitions. [2023-12-03 01:19:53,350 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 575 transitions. [2023-12-03 01:19:53,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-03 01:19:53,351 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:19:53,351 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:19:53,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:19:53,352 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:19:53,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2023-12-03 01:19:53,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:19:53,677 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:19:53,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:19:53,828 INFO L262 TraceCheckSpWp]: Trace formula consists of 780 conjuncts, 92 conjunts are in the unsatisfiable core [2023-12-03 01:19:53,831 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:19:54,659 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 0 proven. 198 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2023-12-03 01:19:54,662 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Ended with exit code 0 [2023-12-03 01:20:03,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:20:03,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 190 states and 589 transitions. [2023-12-03 01:20:03,373 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 589 transitions. [2023-12-03 01:20:03,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-03 01:20:03,374 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:20:03,374 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:20:03,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:20:03,375 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:20:03,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2023-12-03 01:20:03,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:20:03,678 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:20:03,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:20:03,829 INFO L262 TraceCheckSpWp]: Trace formula consists of 780 conjuncts, 92 conjunts are in the unsatisfiable core [2023-12-03 01:20:03,831 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:20:04,502 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 0 proven. 198 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2023-12-03 01:20:04,506 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Ended with exit code 0 [2023-12-03 01:20:06,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:20:06,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 191 states and 590 transitions. [2023-12-03 01:20:06,707 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 590 transitions. [2023-12-03 01:20:06,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-03 01:20:06,708 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:20:06,708 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:20:06,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:20:06,709 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:20:06,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2023-12-03 01:20:07,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:20:07,019 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:20:07,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:20:07,148 INFO L262 TraceCheckSpWp]: Trace formula consists of 780 conjuncts, 92 conjunts are in the unsatisfiable core [2023-12-03 01:20:07,151 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:20:07,857 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 0 proven. 198 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2023-12-03 01:20:07,861 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Forceful destruction successful, exit code 0 [2023-12-03 01:20:15,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:20:15,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 194 states and 593 transitions. [2023-12-03 01:20:15,925 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 593 transitions. [2023-12-03 01:20:15,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-03 01:20:15,926 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:20:15,926 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:20:15,926 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:20:15,926 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:20:15,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2023-12-03 01:20:16,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:20:16,225 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:20:16,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:20:16,366 INFO L262 TraceCheckSpWp]: Trace formula consists of 780 conjuncts, 92 conjunts are in the unsatisfiable core [2023-12-03 01:20:16,369 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:20:17,089 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 0 proven. 198 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2023-12-03 01:20:17,094 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Ended with exit code 0 [2023-12-03 01:20:18,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:20:18,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 195 states and 593 transitions. [2023-12-03 01:20:18,965 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 593 transitions. [2023-12-03 01:20:18,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-03 01:20:18,965 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:20:18,965 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:20:18,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:20:18,966 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:20:18,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2023-12-03 01:20:19,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:20:19,268 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:20:19,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:20:19,406 INFO L262 TraceCheckSpWp]: Trace formula consists of 780 conjuncts, 92 conjunts are in the unsatisfiable core [2023-12-03 01:20:19,409 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:20:20,192 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 0 proven. 198 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2023-12-03 01:20:20,195 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Ended with exit code 0 [2023-12-03 01:20:22,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:20:22,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 196 states and 593 transitions. [2023-12-03 01:20:22,079 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 593 transitions. [2023-12-03 01:20:22,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 01:20:22,079 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:20:22,079 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:20:22,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:20:22,080 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:20:22,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2023-12-03 01:20:22,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:20:22,407 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:20:22,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:20:22,594 INFO L262 TraceCheckSpWp]: Trace formula consists of 836 conjuncts, 129 conjunts are in the unsatisfiable core [2023-12-03 01:20:22,597 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:20:26,623 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 0 proven. 301 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:20:26,627 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Ended with exit code 0 [2023-12-03 01:20:45,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:20:45,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 633 states to 202 states and 633 transitions. [2023-12-03 01:20:45,793 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 633 transitions. [2023-12-03 01:20:45,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 01:20:45,793 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:20:45,793 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:20:45,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:20:45,794 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:20:45,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2023-12-03 01:20:46,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:20:46,137 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:20:46,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:20:46,291 INFO L262 TraceCheckSpWp]: Trace formula consists of 836 conjuncts, 129 conjunts are in the unsatisfiable core [2023-12-03 01:20:46,294 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:20:47,428 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 0 proven. 301 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:20:47,432 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Ended with exit code 0 [2023-12-03 01:20:49,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:20:49,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 203 states and 634 transitions. [2023-12-03 01:20:49,560 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 634 transitions. [2023-12-03 01:20:49,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 01:20:49,560 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:20:49,560 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:20:49,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:20:49,561 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:20:49,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (60)] Waiting until timeout for monitored process [2023-12-03 01:20:49,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:20:49,902 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:20:50,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:20:50,040 INFO L262 TraceCheckSpWp]: Trace formula consists of 836 conjuncts, 129 conjunts are in the unsatisfiable core [2023-12-03 01:20:50,043 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:20:51,103 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 0 proven. 301 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:20:51,107 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (60)] Ended with exit code 0 [2023-12-03 01:20:53,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:20:53,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 204 states and 635 transitions. [2023-12-03 01:20:53,467 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 635 transitions. [2023-12-03 01:20:53,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 01:20:53,468 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:20:53,468 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:20:53,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:20:53,469 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:20:53,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2023-12-03 01:20:53,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:20:53,813 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:20:53,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:20:53,966 INFO L262 TraceCheckSpWp]: Trace formula consists of 836 conjuncts, 129 conjunts are in the unsatisfiable core [2023-12-03 01:20:53,968 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:20:55,136 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 0 proven. 301 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:20:55,140 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (61)] Ended with exit code 0 [2023-12-03 01:21:09,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:21:09,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 649 states to 210 states and 649 transitions. [2023-12-03 01:21:09,205 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 649 transitions. [2023-12-03 01:21:09,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 01:21:09,205 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:21:09,205 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:21:09,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:21:09,206 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:21:09,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (62)] Waiting until timeout for monitored process [2023-12-03 01:21:09,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:21:09,558 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:21:09,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:21:09,700 INFO L262 TraceCheckSpWp]: Trace formula consists of 836 conjuncts, 129 conjunts are in the unsatisfiable core [2023-12-03 01:21:09,704 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:21:10,777 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 0 proven. 301 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:21:10,780 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (62)] Ended with exit code 0 [2023-12-03 01:21:15,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:21:15,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 656 states to 212 states and 656 transitions. [2023-12-03 01:21:15,601 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 656 transitions. [2023-12-03 01:21:15,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 01:21:15,601 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:21:15,602 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:21:15,602 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:21:15,602 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:21:15,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (63)] Waiting until timeout for monitored process [2023-12-03 01:21:15,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:21:15,948 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:21:16,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:21:16,102 INFO L262 TraceCheckSpWp]: Trace formula consists of 836 conjuncts, 129 conjunts are in the unsatisfiable core [2023-12-03 01:21:16,105 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:21:17,182 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 0 proven. 301 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:21:17,186 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (63)] Ended with exit code 0 [2023-12-03 01:21:22,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:21:22,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 655 states to 213 states and 655 transitions. [2023-12-03 01:21:22,160 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 655 transitions. [2023-12-03 01:21:22,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 01:21:22,161 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:21:22,161 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:21:22,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:21:22,162 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:21:22,163 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (64)] Waiting until timeout for monitored process [2023-12-03 01:21:22,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:21:22,542 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:21:22,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:21:22,672 INFO L262 TraceCheckSpWp]: Trace formula consists of 836 conjuncts, 129 conjunts are in the unsatisfiable core [2023-12-03 01:21:22,675 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:21:23,681 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 0 proven. 301 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:21:23,685 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (64)] Ended with exit code 0 [2023-12-03 01:21:26,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:21:26,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 656 states to 214 states and 656 transitions. [2023-12-03 01:21:26,043 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 656 transitions. [2023-12-03 01:21:26,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 01:21:26,043 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:21:26,043 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:21:26,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:21:26,044 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:21:26,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (65)] Waiting until timeout for monitored process [2023-12-03 01:21:26,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:21:26,415 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:21:26,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:21:26,618 INFO L262 TraceCheckSpWp]: Trace formula consists of 892 conjuncts, 136 conjunts are in the unsatisfiable core [2023-12-03 01:21:26,621 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:21:29,897 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 0 proven. 345 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:21:29,900 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (65)] Ended with exit code 0 [2023-12-03 01:21:29,900 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (65)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 01:21:40,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:21:40,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 680 states to 217 states and 680 transitions. [2023-12-03 01:21:40,822 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 680 transitions. [2023-12-03 01:21:40,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 01:21:40,822 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:21:40,822 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:21:40,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:21:40,823 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:21:40,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (66)] Waiting until timeout for monitored process [2023-12-03 01:21:41,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:21:41,168 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:21:41,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:21:41,323 INFO L262 TraceCheckSpWp]: Trace formula consists of 892 conjuncts, 136 conjunts are in the unsatisfiable core [2023-12-03 01:21:41,326 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:21:43,297 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 0 proven. 345 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:21:43,301 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (66)] Ended with exit code 0 [2023-12-03 01:21:46,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:21:46,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 682 states to 218 states and 682 transitions. [2023-12-03 01:21:46,177 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 682 transitions. [2023-12-03 01:21:46,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 01:21:46,178 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:21:46,178 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:21:46,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:21:46,179 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:21:46,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (67)] Waiting until timeout for monitored process [2023-12-03 01:21:46,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:21:46,520 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:21:46,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:21:46,661 INFO L262 TraceCheckSpWp]: Trace formula consists of 892 conjuncts, 136 conjunts are in the unsatisfiable core [2023-12-03 01:21:46,663 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:21:48,602 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 0 proven. 345 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:21:48,605 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (67)] Ended with exit code 0 [2023-12-03 01:22:10,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:22:10,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 708 states to 226 states and 708 transitions. [2023-12-03 01:22:10,582 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 708 transitions. [2023-12-03 01:22:10,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 01:22:10,583 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:22:10,583 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:22:10,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:22:10,583 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:22:10,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (68)] Waiting until timeout for monitored process [2023-12-03 01:22:10,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:22:10,956 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:22:11,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:22:11,124 INFO L262 TraceCheckSpWp]: Trace formula consists of 892 conjuncts, 136 conjunts are in the unsatisfiable core [2023-12-03 01:22:11,128 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:22:13,306 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 0 proven. 345 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:22:13,310 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (68)] Ended with exit code 0 [2023-12-03 01:22:16,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:22:16,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 710 states to 227 states and 710 transitions. [2023-12-03 01:22:16,139 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 710 transitions. [2023-12-03 01:22:16,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 01:22:16,139 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:22:16,139 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:22:16,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:22:16,140 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:22:16,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (69)] Waiting until timeout for monitored process [2023-12-03 01:22:16,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:22:16,510 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:22:16,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:22:16,645 INFO L262 TraceCheckSpWp]: Trace formula consists of 892 conjuncts, 136 conjunts are in the unsatisfiable core [2023-12-03 01:22:16,648 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:22:18,756 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 0 proven. 345 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:22:18,760 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (69)] Ended with exit code 0 [2023-12-03 01:22:22,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:22:22,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 712 states to 228 states and 712 transitions. [2023-12-03 01:22:22,059 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 712 transitions. [2023-12-03 01:22:22,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 01:22:22,059 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:22:22,059 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:22:22,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:22:22,060 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:22:22,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (70)] Waiting until timeout for monitored process [2023-12-03 01:22:22,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:22:22,430 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:22:22,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:22:22,592 INFO L262 TraceCheckSpWp]: Trace formula consists of 892 conjuncts, 136 conjunts are in the unsatisfiable core [2023-12-03 01:22:22,595 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:22:24,738 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 0 proven. 345 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:22:24,742 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (70)] Ended with exit code 0 [2023-12-03 01:22:27,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:22:27,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 712 states to 229 states and 712 transitions. [2023-12-03 01:22:27,603 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 712 transitions. [2023-12-03 01:22:27,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 01:22:27,604 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:22:27,604 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:22:27,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:22:27,605 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:22:27,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (71)] Waiting until timeout for monitored process [2023-12-03 01:22:27,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:22:27,993 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:22:28,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:22:28,167 INFO L262 TraceCheckSpWp]: Trace formula consists of 948 conjuncts, 106 conjunts are in the unsatisfiable core [2023-12-03 01:22:28,170 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:22:29,070 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 0 proven. 292 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-12-03 01:22:29,074 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (71)] Ended with exit code 0 [2023-12-03 01:22:38,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:22:38,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 719 states to 233 states and 719 transitions. [2023-12-03 01:22:38,707 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 719 transitions. [2023-12-03 01:22:38,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 01:22:38,708 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:22:38,708 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:22:38,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:22:38,709 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:22:38,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (72)] Waiting until timeout for monitored process [2023-12-03 01:22:39,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:22:39,071 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:22:39,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:22:39,234 INFO L262 TraceCheckSpWp]: Trace formula consists of 948 conjuncts, 106 conjunts are in the unsatisfiable core [2023-12-03 01:22:39,236 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:22:40,095 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 0 proven. 292 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-12-03 01:22:40,099 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (72)] Ended with exit code 0 [2023-12-03 01:22:45,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:22:45,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 730 states to 235 states and 730 transitions. [2023-12-03 01:22:45,600 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 730 transitions. [2023-12-03 01:22:45,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 01:22:45,601 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:22:45,601 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:22:45,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:22:45,602 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:22:45,602 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (73)] Waiting until timeout for monitored process [2023-12-03 01:22:45,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:22:45,979 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:22:46,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:22:46,145 INFO L262 TraceCheckSpWp]: Trace formula consists of 948 conjuncts, 106 conjunts are in the unsatisfiable core [2023-12-03 01:22:46,149 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:22:47,026 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 0 proven. 292 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-12-03 01:22:47,030 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (73)] Ended with exit code 0 [2023-12-03 01:22:53,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:22:53,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 733 states to 238 states and 733 transitions. [2023-12-03 01:22:53,185 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 733 transitions. [2023-12-03 01:22:53,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 01:22:53,186 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:22:53,186 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:22:53,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:22:53,187 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:22:53,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (74)] Waiting until timeout for monitored process [2023-12-03 01:22:53,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:22:53,549 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:22:53,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:22:53,712 INFO L262 TraceCheckSpWp]: Trace formula consists of 948 conjuncts, 106 conjunts are in the unsatisfiable core [2023-12-03 01:22:53,714 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:22:54,605 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 0 proven. 292 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-12-03 01:22:54,609 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (74)] Ended with exit code 0 [2023-12-03 01:22:57,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:22:57,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 733 states to 239 states and 733 transitions. [2023-12-03 01:22:57,151 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 733 transitions. [2023-12-03 01:22:57,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 01:22:57,151 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:22:57,151 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:22:57,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:22:57,152 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:22:57,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (75)] Waiting until timeout for monitored process [2023-12-03 01:22:57,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:22:57,544 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:22:57,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:22:57,712 INFO L262 TraceCheckSpWp]: Trace formula consists of 1004 conjuncts, 150 conjunts are in the unsatisfiable core [2023-12-03 01:22:57,716 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:23:02,583 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 0 proven. 442 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:23:02,587 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (75)] Ended with exit code 0 [2023-12-03 01:23:48,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:23:48,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 830 states to 255 states and 830 transitions. [2023-12-03 01:23:48,656 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 830 transitions. [2023-12-03 01:23:48,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 01:23:48,656 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:23:48,657 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:23:48,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:23:48,657 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:23:48,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (76)] Waiting until timeout for monitored process [2023-12-03 01:23:49,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:23:49,073 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:23:49,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:23:49,257 INFO L262 TraceCheckSpWp]: Trace formula consists of 1004 conjuncts, 150 conjunts are in the unsatisfiable core [2023-12-03 01:23:49,260 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:23:50,647 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 0 proven. 442 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:23:50,651 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (76)] Ended with exit code 0 [2023-12-03 01:24:03,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:24:03,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 837 states to 259 states and 837 transitions. [2023-12-03 01:24:03,216 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 837 transitions. [2023-12-03 01:24:03,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 01:24:03,217 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:24:03,217 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:24:03,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:24:03,217 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:24:03,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (77)] Waiting until timeout for monitored process [2023-12-03 01:24:03,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:24:03,618 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:24:03,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:24:03,786 INFO L262 TraceCheckSpWp]: Trace formula consists of 1004 conjuncts, 150 conjunts are in the unsatisfiable core [2023-12-03 01:24:03,789 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:24:05,309 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 0 proven. 442 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:24:05,313 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (77)] Ended with exit code 0 [2023-12-03 01:24:08,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:24:08,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 837 states to 260 states and 837 transitions. [2023-12-03 01:24:08,466 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 837 transitions. [2023-12-03 01:24:08,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 01:24:08,466 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:24:08,466 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:24:08,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:24:08,467 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:24:08,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (78)] Waiting until timeout for monitored process [2023-12-03 01:24:08,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:24:08,845 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:24:09,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:24:09,008 INFO L262 TraceCheckSpWp]: Trace formula consists of 1004 conjuncts, 150 conjunts are in the unsatisfiable core [2023-12-03 01:24:09,011 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:24:10,441 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 0 proven. 442 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:24:10,445 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (78)] Ended with exit code 0 [2023-12-03 01:24:23,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:24:23,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 849 states to 264 states and 849 transitions. [2023-12-03 01:24:23,698 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 849 transitions. [2023-12-03 01:24:23,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:24:23,698 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:24:23,698 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:24:23,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:24:23,699 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:24:23,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (79)] Waiting until timeout for monitored process [2023-12-03 01:24:24,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:24:24,135 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:24:24,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:24:24,328 INFO L262 TraceCheckSpWp]: Trace formula consists of 1060 conjuncts, 157 conjunts are in the unsatisfiable core [2023-12-03 01:24:24,331 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:24:28,661 INFO L134 CoverageAnalysis]: Checked inductivity of 495 backedges. 0 proven. 495 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:24:28,665 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (79)] Forceful destruction successful, exit code 0 [2023-12-03 01:24:49,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:24:49,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 918 states to 268 states and 918 transitions. [2023-12-03 01:24:49,545 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 918 transitions. [2023-12-03 01:24:49,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:24:49,546 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:24:49,546 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:24:49,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:24:49,546 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:24:49,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (80)] Waiting until timeout for monitored process [2023-12-03 01:24:49,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:24:49,968 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:24:50,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:24:50,151 INFO L262 TraceCheckSpWp]: Trace formula consists of 1060 conjuncts, 157 conjunts are in the unsatisfiable core [2023-12-03 01:24:50,154 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:24:51,510 INFO L134 CoverageAnalysis]: Checked inductivity of 495 backedges. 0 proven. 495 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:24:51,514 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (80)] Ended with exit code 0 [2023-12-03 01:24:55,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:24:55,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 920 states to 269 states and 920 transitions. [2023-12-03 01:24:55,798 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 920 transitions. [2023-12-03 01:24:55,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:24:55,798 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:24:55,799 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:24:55,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:24:55,799 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:24:55,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (81)] Waiting until timeout for monitored process [2023-12-03 01:24:56,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:24:56,216 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:24:56,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:24:56,394 INFO L262 TraceCheckSpWp]: Trace formula consists of 1060 conjuncts, 157 conjunts are in the unsatisfiable core [2023-12-03 01:24:56,397 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:24:57,912 INFO L134 CoverageAnalysis]: Checked inductivity of 495 backedges. 0 proven. 495 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:24:57,917 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (81)] Ended with exit code 0 [2023-12-03 01:25:11,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:25:11,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 926 states to 273 states and 926 transitions. [2023-12-03 01:25:11,041 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 926 transitions. [2023-12-03 01:25:11,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:25:11,041 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:25:11,041 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:25:11,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:25:11,042 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:25:11,043 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (82)] Waiting until timeout for monitored process [2023-12-03 01:25:11,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:11,459 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:25:11,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:11,643 INFO L262 TraceCheckSpWp]: Trace formula consists of 1060 conjuncts, 157 conjunts are in the unsatisfiable core [2023-12-03 01:25:11,646 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:25:13,214 INFO L134 CoverageAnalysis]: Checked inductivity of 495 backedges. 0 proven. 495 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:25:13,218 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (82)] Ended with exit code 0 [2023-12-03 01:25:17,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:25:17,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 930 states to 274 states and 930 transitions. [2023-12-03 01:25:17,339 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 930 transitions. [2023-12-03 01:25:17,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:25:17,339 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:25:17,339 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:25:17,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:25:17,340 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:25:17,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (83)] Waiting until timeout for monitored process [2023-12-03 01:25:17,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:17,748 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:25:17,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:17,940 INFO L262 TraceCheckSpWp]: Trace formula consists of 1060 conjuncts, 157 conjunts are in the unsatisfiable core [2023-12-03 01:25:17,944 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:25:19,482 INFO L134 CoverageAnalysis]: Checked inductivity of 495 backedges. 0 proven. 495 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:25:19,486 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (83)] Ended with exit code 0 [2023-12-03 01:25:22,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:25:22,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 932 states to 275 states and 932 transitions. [2023-12-03 01:25:22,994 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 932 transitions. [2023-12-03 01:25:22,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:25:22,995 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:25:22,995 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:25:22,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:25:22,996 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:25:22,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (84)] Waiting until timeout for monitored process [2023-12-03 01:25:23,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:23,437 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:25:23,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:23,617 INFO L262 TraceCheckSpWp]: Trace formula consists of 1060 conjuncts, 157 conjunts are in the unsatisfiable core [2023-12-03 01:25:23,620 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:25:25,025 INFO L134 CoverageAnalysis]: Checked inductivity of 495 backedges. 0 proven. 495 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:25:25,029 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (84)] Ended with exit code 0 [2023-12-03 01:25:48,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:25:48,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 959 states to 281 states and 959 transitions. [2023-12-03 01:25:48,813 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 959 transitions. [2023-12-03 01:25:48,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-03 01:25:48,813 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:25:48,814 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:25:48,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:25:48,814 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:25:48,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (85)] Waiting until timeout for monitored process [2023-12-03 01:25:49,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:49,244 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:25:49,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:49,441 INFO L262 TraceCheckSpWp]: Trace formula consists of 1116 conjuncts, 120 conjunts are in the unsatisfiable core [2023-12-03 01:25:49,444 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:25:50,460 INFO L134 CoverageAnalysis]: Checked inductivity of 551 backedges. 0 proven. 404 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2023-12-03 01:25:50,465 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (85)] Ended with exit code 0 [2023-12-03 01:26:05,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:26:05,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 286 states and 977 transitions. [2023-12-03 01:26:05,494 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 977 transitions. [2023-12-03 01:26:05,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-03 01:26:05,495 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:26:05,495 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:26:05,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:26:05,496 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:26:05,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (86)] Waiting until timeout for monitored process [2023-12-03 01:26:05,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:05,943 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:26:06,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:06,136 INFO L262 TraceCheckSpWp]: Trace formula consists of 1116 conjuncts, 120 conjunts are in the unsatisfiable core [2023-12-03 01:26:06,139 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:26:07,308 INFO L134 CoverageAnalysis]: Checked inductivity of 551 backedges. 0 proven. 404 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2023-12-03 01:26:07,313 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (86)] Ended with exit code 0 [2023-12-03 01:26:20,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:26:20,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 983 states to 290 states and 983 transitions. [2023-12-03 01:26:20,095 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 983 transitions. [2023-12-03 01:26:20,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-03 01:26:20,096 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:26:20,096 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:26:20,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:26:20,097 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:26:20,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (87)] Waiting until timeout for monitored process [2023-12-03 01:26:20,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:20,538 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:26:20,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:20,731 INFO L262 TraceCheckSpWp]: Trace formula consists of 1116 conjuncts, 120 conjunts are in the unsatisfiable core [2023-12-03 01:26:20,733 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:26:21,846 INFO L134 CoverageAnalysis]: Checked inductivity of 551 backedges. 0 proven. 404 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2023-12-03 01:26:21,851 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (87)] Ended with exit code 0 [2023-12-03 01:26:25,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:26:25,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 984 states to 291 states and 984 transitions. [2023-12-03 01:26:25,878 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 984 transitions. [2023-12-03 01:26:25,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-03 01:26:25,878 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:26:25,878 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:26:25,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:26:25,879 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:26:25,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (88)] Waiting until timeout for monitored process [2023-12-03 01:26:26,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:26,310 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:26:26,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:26,496 INFO L262 TraceCheckSpWp]: Trace formula consists of 1116 conjuncts, 120 conjunts are in the unsatisfiable core [2023-12-03 01:26:26,499 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:26:27,494 INFO L134 CoverageAnalysis]: Checked inductivity of 551 backedges. 0 proven. 404 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2023-12-03 01:26:27,498 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (88)] Ended with exit code 0 [2023-12-03 01:26:31,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:26:31,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 984 states to 292 states and 984 transitions. [2023-12-03 01:26:31,195 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 984 transitions. [2023-12-03 01:26:31,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-03 01:26:31,196 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:26:31,196 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:26:31,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:26:31,196 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:26:31,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (89)] Waiting until timeout for monitored process [2023-12-03 01:26:31,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:31,720 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:26:31,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:31,893 INFO L262 TraceCheckSpWp]: Trace formula consists of 1116 conjuncts, 120 conjunts are in the unsatisfiable core [2023-12-03 01:26:31,896 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:26:32,938 INFO L134 CoverageAnalysis]: Checked inductivity of 551 backedges. 0 proven. 404 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2023-12-03 01:26:32,942 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (89)] Ended with exit code 0 [2023-12-03 01:26:36,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:26:36,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 984 states to 293 states and 984 transitions. [2023-12-03 01:26:36,162 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 984 transitions. [2023-12-03 01:26:36,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-03 01:26:36,163 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:26:36,163 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:26:36,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:26:36,163 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:26:36,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (90)] Waiting until timeout for monitored process [2023-12-03 01:26:36,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:36,691 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:26:36,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:36,881 INFO L262 TraceCheckSpWp]: Trace formula consists of 1172 conjuncts, 171 conjunts are in the unsatisfiable core [2023-12-03 01:26:36,884 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:26:44,062 INFO L134 CoverageAnalysis]: Checked inductivity of 610 backedges. 0 proven. 610 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:26:44,067 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (90)] Ended with exit code 0 [2023-12-03 01:27:27,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:27:27,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1063 states to 300 states and 1063 transitions. [2023-12-03 01:27:27,210 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 1063 transitions. [2023-12-03 01:27:27,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-03 01:27:27,211 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:27:27,211 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:27:27,211 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:27:27,212 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:27:27,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (91)] Waiting until timeout for monitored process [2023-12-03 01:27:27,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:27:27,726 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:27:27,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:27:27,948 INFO L262 TraceCheckSpWp]: Trace formula consists of 1172 conjuncts, 171 conjunts are in the unsatisfiable core [2023-12-03 01:27:27,954 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:27:30,024 INFO L134 CoverageAnalysis]: Checked inductivity of 610 backedges. 0 proven. 610 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:27:30,029 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (91)] Ended with exit code 0 [2023-12-03 01:27:47,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:27:47,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1079 states to 303 states and 1079 transitions. [2023-12-03 01:27:47,046 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 1079 transitions. [2023-12-03 01:27:47,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-03 01:27:47,046 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:27:47,046 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:27:47,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:27:47,047 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:27:47,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (92)] Waiting until timeout for monitored process [2023-12-03 01:27:47,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:27:47,637 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:27:47,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:27:47,872 INFO L262 TraceCheckSpWp]: Trace formula consists of 1172 conjuncts, 171 conjunts are in the unsatisfiable core [2023-12-03 01:27:47,878 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:27:50,037 INFO L134 CoverageAnalysis]: Checked inductivity of 610 backedges. 0 proven. 610 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:27:50,042 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (92)] Ended with exit code 0 [2023-12-03 01:28:05,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:28:05,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1091 states to 306 states and 1091 transitions. [2023-12-03 01:28:05,038 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 1091 transitions. [2023-12-03 01:28:05,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-03 01:28:05,039 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:28:05,039 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:28:05,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:28:05,040 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:28:05,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (93)] Waiting until timeout for monitored process [2023-12-03 01:28:05,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:28:05,706 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:28:05,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:28:05,954 INFO L262 TraceCheckSpWp]: Trace formula consists of 1172 conjuncts, 171 conjunts are in the unsatisfiable core [2023-12-03 01:28:05,958 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:28:08,126 INFO L134 CoverageAnalysis]: Checked inductivity of 610 backedges. 0 proven. 610 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:28:08,132 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (93)] Ended with exit code 0 [2023-12-03 01:28:25,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:28:25,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1104 states to 309 states and 1104 transitions. [2023-12-03 01:28:25,123 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 1104 transitions. [2023-12-03 01:28:25,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-03 01:28:25,124 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:28:25,124 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:28:25,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:28:25,125 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:28:25,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (94)] Waiting until timeout for monitored process [2023-12-03 01:28:25,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:28:25,672 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:28:25,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:28:25,936 INFO L262 TraceCheckSpWp]: Trace formula consists of 1172 conjuncts, 171 conjunts are in the unsatisfiable core [2023-12-03 01:28:25,940 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:28:28,022 INFO L134 CoverageAnalysis]: Checked inductivity of 610 backedges. 0 proven. 610 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:28:28,027 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (94)] Forceful destruction successful, exit code 0 [2023-12-03 01:28:32,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:28:32,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1104 states to 310 states and 1104 transitions. [2023-12-03 01:28:32,916 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 1104 transitions. [2023-12-03 01:28:32,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-03 01:28:32,917 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:28:32,917 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:28:32,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:28:32,918 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:28:32,919 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (95)] Waiting until timeout for monitored process [2023-12-03 01:28:33,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:28:33,485 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:28:33,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:28:33,722 INFO L262 TraceCheckSpWp]: Trace formula consists of 1172 conjuncts, 171 conjunts are in the unsatisfiable core [2023-12-03 01:28:33,726 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:28:35,986 INFO L134 CoverageAnalysis]: Checked inductivity of 610 backedges. 0 proven. 610 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:28:35,992 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (95)] Ended with exit code 0 [2023-12-03 01:28:41,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:28:41,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1105 states to 311 states and 1105 transitions. [2023-12-03 01:28:41,312 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 1105 transitions. [2023-12-03 01:28:41,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-03 01:28:41,313 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:28:41,313 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:28:41,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:28:41,314 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:28:41,315 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (96)] Waiting until timeout for monitored process [2023-12-03 01:28:41,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:28:41,891 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:28:42,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:28:42,142 INFO L262 TraceCheckSpWp]: Trace formula consists of 1172 conjuncts, 171 conjunts are in the unsatisfiable core [2023-12-03 01:28:42,146 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:28:44,422 INFO L134 CoverageAnalysis]: Checked inductivity of 610 backedges. 0 proven. 610 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:28:44,427 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (96)] Ended with exit code 0 [2023-12-03 01:28:49,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:28:49,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1105 states to 312 states and 1105 transitions. [2023-12-03 01:28:49,902 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 1105 transitions. [2023-12-03 01:28:49,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-03 01:28:49,903 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:28:49,903 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:28:49,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:28:49,904 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:28:49,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (97)] Waiting until timeout for monitored process [2023-12-03 01:28:50,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:28:50,621 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:28:50,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:28:50,868 INFO L262 TraceCheckSpWp]: Trace formula consists of 1228 conjuncts, 178 conjunts are in the unsatisfiable core [2023-12-03 01:28:50,873 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:28:55,972 INFO L134 CoverageAnalysis]: Checked inductivity of 672 backedges. 0 proven. 672 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:28:55,978 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (97)] Forceful destruction successful, exit code 0 [2023-12-03 01:29:19,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:29:19,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1135 states to 315 states and 1135 transitions. [2023-12-03 01:29:19,591 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 1135 transitions. [2023-12-03 01:29:19,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-03 01:29:19,591 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:29:19,591 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:29:19,592 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:29:19,592 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:29:19,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (98)] Waiting until timeout for monitored process [2023-12-03 01:29:20,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:29:20,223 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:29:20,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:29:20,492 INFO L262 TraceCheckSpWp]: Trace formula consists of 1228 conjuncts, 178 conjunts are in the unsatisfiable core [2023-12-03 01:29:20,495 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:29:23,015 INFO L134 CoverageAnalysis]: Checked inductivity of 672 backedges. 0 proven. 672 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:29:23,021 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (98)] Ended with exit code 0 [2023-12-03 01:29:45,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:29:45,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1141 states to 319 states and 1141 transitions. [2023-12-03 01:29:45,540 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 1141 transitions. [2023-12-03 01:29:45,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-03 01:29:45,541 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:29:45,541 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:29:45,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:29:45,542 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:29:45,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (99)] Waiting until timeout for monitored process [2023-12-03 01:29:46,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:29:46,175 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:29:46,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:29:46,425 INFO L262 TraceCheckSpWp]: Trace formula consists of 1228 conjuncts, 178 conjunts are in the unsatisfiable core [2023-12-03 01:29:46,429 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:29:48,885 INFO L134 CoverageAnalysis]: Checked inductivity of 672 backedges. 0 proven. 672 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:29:48,891 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9b81f1-b41c-4ace-a491-8d05aeebf3fa/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (99)] Ended with exit code 0