./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.safe_arbitrated_fifos_n2d8w8.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.safe_arbitrated_fifos_n2d8w8.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 1d054f79132e175b09d8c50472a4c24ca52f401c76e1d0704dd5609a369827e2 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:22:03,938 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:22:04,047 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-08 22:22:04,054 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:22:04,055 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:22:04,089 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:22:04,092 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:22:04,093 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:22:04,093 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:22:04,094 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:22:04,095 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:22:04,096 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:22:04,096 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:22:04,097 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:22:04,097 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:22:04,097 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:22:04,101 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:22:04,101 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:22:04,101 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:22:04,102 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:22:04,102 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:22:04,106 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:22:04,107 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:22:04,107 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:22:04,107 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:22:04,108 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:22:04,108 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:22:04,108 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:22:04,108 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:22:04,109 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:22:04,109 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_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1d054f79132e175b09d8c50472a4c24ca52f401c76e1d0704dd5609a369827e2 [2024-11-08 22:22:04,451 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:22:04,486 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:22:04,489 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:22:04,492 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:22:04,493 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:22:04,494 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.safe_arbitrated_fifos_n2d8w8.c Unable to find full path for "g++" [2024-11-08 22:22:06,464 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:22:06,863 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:22:06,867 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.safe_arbitrated_fifos_n2d8w8.c [2024-11-08 22:22:06,884 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/data/9c8ddabe1/525aa8c05d934f65bb5faa739423c5c1/FLAG4d1b5db38 [2024-11-08 22:22:07,039 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/data/9c8ddabe1/525aa8c05d934f65bb5faa739423c5c1 [2024-11-08 22:22:07,042 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:22:07,043 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:22:07,045 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:22:07,045 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:22:07,052 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:22:07,053 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:22:07" (1/1) ... [2024-11-08 22:22:07,057 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39f5384f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:22:07, skipping insertion in model container [2024-11-08 22:22:07,057 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:22:07" (1/1) ... [2024-11-08 22:22:07,126 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:22:07,330 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.safe_arbitrated_fifos_n2d8w8.c[1268,1281] [2024-11-08 22:22:07,705 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:22:07,714 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:22:07,728 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.safe_arbitrated_fifos_n2d8w8.c[1268,1281] [2024-11-08 22:22:07,864 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:22:07,912 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:22:07,913 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:22:07 WrapperNode [2024-11-08 22:22:07,913 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:22:07,914 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:22:07,915 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:22:07,915 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:22:07,923 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:22:07" (1/1) ... [2024-11-08 22:22:08,023 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:22:07" (1/1) ... [2024-11-08 22:22:08,435 INFO L138 Inliner]: procedures = 18, calls = 41, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2372 [2024-11-08 22:22:08,439 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:22:08,441 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:22:08,441 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:22:08,441 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:22:08,452 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:22:07" (1/1) ... [2024-11-08 22:22:08,453 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:22:07" (1/1) ... [2024-11-08 22:22:08,542 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:22:07" (1/1) ... [2024-11-08 22:22:08,544 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:22:07" (1/1) ... [2024-11-08 22:22:08,682 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:22:07" (1/1) ... [2024-11-08 22:22:08,709 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:22:07" (1/1) ... [2024-11-08 22:22:08,761 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:22:07" (1/1) ... [2024-11-08 22:22:08,777 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:22:07" (1/1) ... [2024-11-08 22:22:08,835 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:22:08,836 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:22:08,837 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:22:08,837 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:22:08,838 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:22:07" (1/1) ... [2024-11-08 22:22:08,843 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:22:08,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:22:08,868 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:22:08,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:22:08,903 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:22:08,903 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 22:22:08,904 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 22:22:08,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 22:22:08,904 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 22:22:08,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-08 22:22:08,905 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:22:08,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:22:08,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-08 22:22:08,906 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 22:22:09,244 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:22:09,249 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:22:12,497 INFO L? ?]: Removed 1289 outVars from TransFormulas that were not future-live. [2024-11-08 22:22:12,497 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:22:15,630 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:22:15,630 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 22:22:15,631 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:22:15 BoogieIcfgContainer [2024-11-08 22:22:15,631 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:22:15,632 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:22:15,632 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:22:15,642 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:22:15,643 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:22:15" (1/1) ... [2024-11-08 22:22:15,652 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:22:15,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:22:15,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 37 states and 54 transitions. [2024-11-08 22:22:15,720 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 54 transitions. [2024-11-08 22:22:15,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-08 22:22:15,727 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:22:15,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:22:16,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:22:16,918 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-08 22:22:18,566 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 22:22:18,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:22:18,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 37 states and 53 transitions. [2024-11-08 22:22:18,589 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 53 transitions. [2024-11-08 22:22:18,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-08 22:22:18,591 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:22:18,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:22:18,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:22:18,847 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-08 22:22:18,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:22:18,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 37 states and 52 transitions. [2024-11-08 22:22:18,887 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 52 transitions. [2024-11-08 22:22:18,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-08 22:22:18,888 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:22:18,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:22:19,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:22:19,720 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-08 22:22:19,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:22:19,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 39 states and 54 transitions. [2024-11-08 22:22:19,841 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2024-11-08 22:22:19,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:22:19,842 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:22:19,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:22:19,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:22:20,498 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-08 22:22:20,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:22:20,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 41 states and 56 transitions. [2024-11-08 22:22:20,678 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 56 transitions. [2024-11-08 22:22:20,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-08 22:22:20,679 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:22:20,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:22:20,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:22:21,498 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-08 22:22:21,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:22:21,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 43 states and 58 transitions. [2024-11-08 22:22:21,692 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 58 transitions. [2024-11-08 22:22:21,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-08 22:22:21,693 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:22:21,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:22:21,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:22:22,743 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-08 22:22:22,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:22:22,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 45 states and 60 transitions. [2024-11-08 22:22:22,977 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 60 transitions. [2024-11-08 22:22:22,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-08 22:22:22,978 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:22:22,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:22:23,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:22:23,778 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-08 22:22:24,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:22:24,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 47 states and 62 transitions. [2024-11-08 22:22:24,035 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 62 transitions. [2024-11-08 22:22:24,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-08 22:22:24,036 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:22:24,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:22:24,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:22:24,936 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-08 22:22:25,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:22:25,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 49 states and 64 transitions. [2024-11-08 22:22:25,223 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 64 transitions. [2024-11-08 22:22:25,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-08 22:22:25,224 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:22:25,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:22:25,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:22:26,252 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-08 22:22:26,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:22:26,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 51 states and 66 transitions. [2024-11-08 22:22:26,581 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 66 transitions. [2024-11-08 22:22:26,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-08 22:22:26,581 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:22:26,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:22:26,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:22:27,025 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-08 22:22:27,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:22:27,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 52 states and 67 transitions. [2024-11-08 22:22:27,081 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 67 transitions. [2024-11-08 22:22:27,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-08 22:22:27,083 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:22:27,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:22:27,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:22:27,325 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-08 22:22:27,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:22:27,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 52 states and 66 transitions. [2024-11-08 22:22:27,456 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 66 transitions. [2024-11-08 22:22:27,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-08 22:22:27,459 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:22:27,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:22:27,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:22:28,027 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-08 22:22:28,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:22:28,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 54 states and 68 transitions. [2024-11-08 22:22:28,248 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 68 transitions. [2024-11-08 22:22:28,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-08 22:22:28,249 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:22:28,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:22:28,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:22:29,019 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-08 22:22:29,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:22:29,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 56 states and 70 transitions. [2024-11-08 22:22:29,315 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 70 transitions. [2024-11-08 22:22:29,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-08 22:22:29,316 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:22:29,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:22:29,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:22:30,171 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-08 22:22:30,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:22:30,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 58 states and 72 transitions. [2024-11-08 22:22:30,442 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 72 transitions. [2024-11-08 22:22:30,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-08 22:22:30,443 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:22:30,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:22:30,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:22:31,407 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-08 22:22:31,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:22:31,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 60 states and 74 transitions. [2024-11-08 22:22:31,704 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 74 transitions. [2024-11-08 22:22:31,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-08 22:22:31,705 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:22:31,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:22:31,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:22:32,604 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-08 22:22:32,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:22:32,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 62 states and 76 transitions. [2024-11-08 22:22:32,967 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 76 transitions. [2024-11-08 22:22:32,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-08 22:22:32,968 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:22:32,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:22:33,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:22:33,908 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-08 22:22:34,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:22:34,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 64 states and 78 transitions. [2024-11-08 22:22:34,283 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 78 transitions. [2024-11-08 22:22:34,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-08 22:22:34,284 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:22:34,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:22:34,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:22:35,271 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-08 22:22:35,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:22:35,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 66 states and 80 transitions. [2024-11-08 22:22:35,673 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 80 transitions. [2024-11-08 22:22:35,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-08 22:22:35,674 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:22:35,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:22:37,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:22:40,004 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-08 22:22:48,560 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 22:22:56,223 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 22:22:56,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:22:56,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 78 states and 98 transitions. [2024-11-08 22:22:56,263 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 98 transitions. [2024-11-08 22:22:56,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-08 22:22:56,264 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:22:56,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:22:56,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:22:57,782 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 218 trivial. 0 not checked. [2024-11-08 22:23:00,164 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 22:23:00,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:23:00,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 79 states and 99 transitions. [2024-11-08 22:23:00,197 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 99 transitions. [2024-11-08 22:23:00,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-08 22:23:00,198 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:23:00,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:23:00,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:23:00,878 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 218 trivial. 0 not checked. [2024-11-08 22:23:01,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:23:01,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 79 states and 98 transitions. [2024-11-08 22:23:01,317 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 98 transitions. [2024-11-08 22:23:01,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-08 22:23:01,318 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:23:01,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:23:01,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:23:02,318 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 218 trivial. 0 not checked. [2024-11-08 22:23:02,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:23:02,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 81 states and 100 transitions. [2024-11-08 22:23:02,960 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 100 transitions. [2024-11-08 22:23:02,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-08 22:23:02,961 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:23:02,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:23:03,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:23:04,061 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 218 trivial. 0 not checked. [2024-11-08 22:23:04,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:23:04,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 83 states and 102 transitions. [2024-11-08 22:23:04,673 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 102 transitions. [2024-11-08 22:23:04,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-08 22:23:04,674 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:23:04,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:23:04,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:23:05,826 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 12 proven. 9 refuted. 0 times theorem prover too weak. 218 trivial. 0 not checked. [2024-11-08 22:23:06,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:23:06,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 85 states and 104 transitions. [2024-11-08 22:23:06,403 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 104 transitions. [2024-11-08 22:23:06,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-08 22:23:06,404 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:23:06,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:23:06,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:23:07,852 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 12 proven. 16 refuted. 0 times theorem prover too weak. 218 trivial. 0 not checked. [2024-11-08 22:23:08,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:23:08,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 87 states and 106 transitions. [2024-11-08 22:23:08,444 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 106 transitions. [2024-11-08 22:23:08,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-08 22:23:08,445 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:23:08,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:23:08,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:23:10,059 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 12 proven. 25 refuted. 0 times theorem prover too weak. 218 trivial. 0 not checked. [2024-11-08 22:23:10,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:23:10,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 89 states and 108 transitions. [2024-11-08 22:23:10,746 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 108 transitions. [2024-11-08 22:23:10,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-08 22:23:10,747 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:23:10,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:23:10,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:23:12,407 INFO L134 CoverageAnalysis]: Checked inductivity of 266 backedges. 12 proven. 36 refuted. 0 times theorem prover too weak. 218 trivial. 0 not checked. [2024-11-08 22:23:13,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:23:13,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 91 states and 110 transitions. [2024-11-08 22:23:13,146 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 110 transitions. [2024-11-08 22:23:13,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-08 22:23:13,147 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:23:13,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:23:13,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:23:15,227 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 12 proven. 49 refuted. 0 times theorem prover too weak. 218 trivial. 0 not checked. [2024-11-08 22:23:16,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:23:16,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 93 states and 112 transitions. [2024-11-08 22:23:16,027 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 112 transitions. [2024-11-08 22:23:16,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-08 22:23:16,028 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:23:16,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:23:16,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:23:16,932 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2024-11-08 22:23:22,909 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.85s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 22:23:22,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:23:22,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 94 states and 113 transitions. [2024-11-08 22:23:22,932 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 113 transitions. [2024-11-08 22:23:22,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-08 22:23:22,933 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:23:22,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:23:23,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:23:23,565 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2024-11-08 22:23:24,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:23:24,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 94 states and 112 transitions. [2024-11-08 22:23:24,079 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 112 transitions. [2024-11-08 22:23:24,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-08 22:23:24,080 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:23:24,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:23:24,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:23:25,175 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2024-11-08 22:23:25,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:23:25,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 96 states and 114 transitions. [2024-11-08 22:23:25,761 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 114 transitions. [2024-11-08 22:23:25,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-08 22:23:25,762 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:23:25,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:23:26,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:23:26,857 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2024-11-08 22:23:27,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:23:27,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 98 states and 116 transitions. [2024-11-08 22:23:27,589 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 116 transitions. [2024-11-08 22:23:27,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-08 22:23:27,590 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:23:27,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:23:27,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:23:29,080 INFO L134 CoverageAnalysis]: Checked inductivity of 303 backedges. 12 proven. 9 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2024-11-08 22:23:29,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:23:29,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 100 states and 118 transitions. [2024-11-08 22:23:29,744 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 118 transitions. [2024-11-08 22:23:29,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-08 22:23:29,744 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:23:29,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:23:29,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:23:31,180 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 12 proven. 16 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2024-11-08 22:23:31,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:23:31,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 102 states and 120 transitions. [2024-11-08 22:23:31,861 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 120 transitions. [2024-11-08 22:23:31,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-08 22:23:31,862 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:23:31,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:23:32,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:23:33,772 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 12 proven. 25 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2024-11-08 22:23:34,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:23:34,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 104 states and 122 transitions. [2024-11-08 22:23:34,496 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 122 transitions. [2024-11-08 22:23:34,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-08 22:23:34,497 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:23:34,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:23:34,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:23:36,403 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 12 proven. 36 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2024-11-08 22:23:37,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:23:37,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 106 states and 124 transitions. [2024-11-08 22:23:37,188 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 124 transitions. [2024-11-08 22:23:37,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-08 22:23:37,189 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:23:37,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:23:37,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:23:39,195 INFO L134 CoverageAnalysis]: Checked inductivity of 343 backedges. 12 proven. 49 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2024-11-08 22:23:40,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:23:40,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 108 states and 126 transitions. [2024-11-08 22:23:40,127 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 126 transitions. [2024-11-08 22:23:40,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-08 22:23:40,128 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:23:40,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:23:40,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:23:40,961 INFO L134 CoverageAnalysis]: Checked inductivity of 358 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 346 trivial. 0 not checked. [2024-11-08 22:23:41,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:23:41,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 109 states and 127 transitions. [2024-11-08 22:23:41,155 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 127 transitions. [2024-11-08 22:23:41,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-08 22:23:41,156 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:23:41,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:23:41,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:23:41,814 INFO L134 CoverageAnalysis]: Checked inductivity of 358 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 346 trivial. 0 not checked. [2024-11-08 22:23:42,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:23:42,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 109 states and 126 transitions. [2024-11-08 22:23:42,384 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 126 transitions. [2024-11-08 22:23:42,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-08 22:23:42,385 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:23:42,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:23:42,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:23:43,750 INFO L134 CoverageAnalysis]: Checked inductivity of 359 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 346 trivial. 0 not checked. [2024-11-08 22:23:44,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:23:44,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 111 states and 128 transitions. [2024-11-08 22:23:44,510 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 128 transitions. [2024-11-08 22:23:44,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-11-08 22:23:44,510 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:23:44,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:23:44,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:23:45,769 INFO L134 CoverageAnalysis]: Checked inductivity of 362 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 346 trivial. 0 not checked. [2024-11-08 22:23:46,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:23:46,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 113 states and 130 transitions. [2024-11-08 22:23:46,588 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 130 transitions. [2024-11-08 22:23:46,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-08 22:23:46,588 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:23:46,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:23:46,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:23:48,371 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 12 proven. 9 refuted. 0 times theorem prover too weak. 346 trivial. 0 not checked. [2024-11-08 22:23:49,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:23:49,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 115 states and 132 transitions. [2024-11-08 22:23:49,325 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 132 transitions. [2024-11-08 22:23:49,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-08 22:23:49,326 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:23:49,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:23:49,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:23:50,936 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 12 proven. 16 refuted. 0 times theorem prover too weak. 346 trivial. 0 not checked. [2024-11-08 22:23:51,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:23:51,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 117 states and 134 transitions. [2024-11-08 22:23:51,684 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 134 transitions. [2024-11-08 22:23:51,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-08 22:23:51,685 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:23:51,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:23:51,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:23:53,544 INFO L134 CoverageAnalysis]: Checked inductivity of 383 backedges. 12 proven. 25 refuted. 0 times theorem prover too weak. 346 trivial. 0 not checked. [2024-11-08 22:23:54,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:23:54,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 119 states and 136 transitions. [2024-11-08 22:23:54,359 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 136 transitions. [2024-11-08 22:23:54,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-08 22:23:54,359 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:23:54,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:23:54,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:23:56,239 INFO L134 CoverageAnalysis]: Checked inductivity of 394 backedges. 12 proven. 36 refuted. 0 times theorem prover too weak. 346 trivial. 0 not checked. [2024-11-08 22:23:57,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:23:57,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 121 states and 138 transitions. [2024-11-08 22:23:57,126 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 138 transitions. [2024-11-08 22:23:57,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-08 22:23:57,126 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:23:57,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:23:57,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:23:59,164 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 12 proven. 49 refuted. 0 times theorem prover too weak. 346 trivial. 0 not checked. [2024-11-08 22:24:00,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:24:00,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 123 states and 140 transitions. [2024-11-08 22:24:00,049 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 140 transitions. [2024-11-08 22:24:00,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-08 22:24:00,049 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:24:00,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:24:00,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:24:00,976 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 410 trivial. 0 not checked. [2024-11-08 22:24:01,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:24:01,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 124 states and 141 transitions. [2024-11-08 22:24:01,151 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 141 transitions. [2024-11-08 22:24:01,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-08 22:24:01,152 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:24:01,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:24:01,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:24:01,688 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 410 trivial. 0 not checked. [2024-11-08 22:24:02,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:24:02,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 124 states and 140 transitions. [2024-11-08 22:24:02,243 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 140 transitions. [2024-11-08 22:24:02,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-08 22:24:02,244 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:24:02,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:24:02,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:24:03,336 INFO L134 CoverageAnalysis]: Checked inductivity of 423 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 410 trivial. 0 not checked. [2024-11-08 22:24:04,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:24:04,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 126 states and 142 transitions. [2024-11-08 22:24:04,123 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 142 transitions. [2024-11-08 22:24:04,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-08 22:24:04,124 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:24:04,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:24:04,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:24:05,318 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 410 trivial. 0 not checked. [2024-11-08 22:24:06,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:24:06,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 128 states and 144 transitions. [2024-11-08 22:24:06,147 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 144 transitions. [2024-11-08 22:24:06,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-08 22:24:06,148 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:24:06,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:24:06,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:24:07,919 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 12 proven. 9 refuted. 0 times theorem prover too weak. 410 trivial. 0 not checked. [2024-11-08 22:24:08,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:24:08,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 130 states and 146 transitions. [2024-11-08 22:24:08,875 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 146 transitions. [2024-11-08 22:24:08,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-08 22:24:08,876 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:24:08,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:24:09,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:24:10,402 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 12 proven. 16 refuted. 0 times theorem prover too weak. 410 trivial. 0 not checked. [2024-11-08 22:24:11,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:24:11,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 132 states and 148 transitions. [2024-11-08 22:24:11,326 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 148 transitions. [2024-11-08 22:24:11,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-08 22:24:11,327 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:24:11,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:24:11,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:24:13,231 INFO L134 CoverageAnalysis]: Checked inductivity of 447 backedges. 12 proven. 25 refuted. 0 times theorem prover too weak. 410 trivial. 0 not checked. [2024-11-08 22:24:14,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:24:14,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 134 states and 150 transitions. [2024-11-08 22:24:14,125 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 150 transitions. [2024-11-08 22:24:14,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-08 22:24:14,126 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:24:14,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:24:14,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:24:16,247 INFO L134 CoverageAnalysis]: Checked inductivity of 458 backedges. 12 proven. 36 refuted. 0 times theorem prover too weak. 410 trivial. 0 not checked. [2024-11-08 22:24:17,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:24:17,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 136 states and 152 transitions. [2024-11-08 22:24:17,270 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 152 transitions. [2024-11-08 22:24:17,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-08 22:24:17,271 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:24:17,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:24:17,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:24:19,932 INFO L134 CoverageAnalysis]: Checked inductivity of 471 backedges. 12 proven. 49 refuted. 0 times theorem prover too weak. 410 trivial. 0 not checked. [2024-11-08 22:24:21,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:24:21,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 138 states and 154 transitions. [2024-11-08 22:24:21,180 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 154 transitions. [2024-11-08 22:24:21,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-08 22:24:21,182 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:24:21,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:24:55,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:24:55,902 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:25:21,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:25:32,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:25:32,188 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-08 22:25:32,192 INFO L158 Benchmark]: Toolchain (without parser) took 205147.97ms. Allocated memory was 138.4MB in the beginning and 2.4GB in the end (delta: 2.3GB). Free memory was 105.4MB in the beginning and 1.8GB in the end (delta: -1.7GB). Peak memory consumption was 601.6MB. Max. memory is 16.1GB. [2024-11-08 22:25:32,192 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 115.3MB. Free memory is still 88.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:25:32,193 INFO L158 Benchmark]: CACSL2BoogieTranslator took 868.53ms. Allocated memory is still 138.4MB. Free memory was 105.0MB in the beginning and 100.4MB in the end (delta: 4.5MB). Peak memory consumption was 57.8MB. Max. memory is 16.1GB. [2024-11-08 22:25:32,193 INFO L158 Benchmark]: Boogie Procedure Inliner took 525.21ms. Allocated memory was 138.4MB in the beginning and 239.1MB in the end (delta: 100.7MB). Free memory was 100.4MB in the beginning and 170.2MB in the end (delta: -69.8MB). Peak memory consumption was 85.0MB. Max. memory is 16.1GB. [2024-11-08 22:25:32,194 INFO L158 Benchmark]: Boogie Preprocessor took 394.84ms. Allocated memory is still 239.1MB. Free memory was 170.2MB in the beginning and 149.2MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-08 22:25:32,195 INFO L158 Benchmark]: RCFGBuilder took 6794.77ms. Allocated memory was 239.1MB in the beginning and 501.2MB in the end (delta: 262.1MB). Free memory was 149.2MB in the beginning and 219.1MB in the end (delta: -69.9MB). Peak memory consumption was 241.5MB. Max. memory is 16.1GB. [2024-11-08 22:25:32,195 INFO L158 Benchmark]: CodeCheck took 196558.74ms. Allocated memory was 501.2MB in the beginning and 2.4GB in the end (delta: 1.9GB). Free memory was 219.1MB in the beginning and 1.8GB in the end (delta: -1.6GB). Peak memory consumption was 353.6MB. Max. memory is 16.1GB. [2024-11-08 22:25:32,199 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 115.3MB. Free memory is still 88.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 868.53ms. Allocated memory is still 138.4MB. Free memory was 105.0MB in the beginning and 100.4MB in the end (delta: 4.5MB). Peak memory consumption was 57.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 525.21ms. Allocated memory was 138.4MB in the beginning and 239.1MB in the end (delta: 100.7MB). Free memory was 100.4MB in the beginning and 170.2MB in the end (delta: -69.8MB). Peak memory consumption was 85.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 394.84ms. Allocated memory is still 239.1MB. Free memory was 170.2MB in the beginning and 149.2MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * RCFGBuilder took 6794.77ms. Allocated memory was 239.1MB in the beginning and 501.2MB in the end (delta: 262.1MB). Free memory was 149.2MB in the beginning and 219.1MB in the end (delta: -69.9MB). Peak memory consumption was 241.5MB. Max. memory is 16.1GB. * CodeCheck took 196558.74ms. Allocated memory was 501.2MB in the beginning and 2.4GB in the end (delta: 1.9GB). Free memory was 219.1MB in the beginning and 1.8GB in the end (delta: -1.6GB). Peak memory consumption was 353.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-08 22:25:32,254 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.safe_arbitrated_fifos_n2d8w8.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 1d054f79132e175b09d8c50472a4c24ca52f401c76e1d0704dd5609a369827e2 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:25:35,309 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:25:35,436 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-08 22:25:35,504 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:25:35,506 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:25:35,507 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:25:35,508 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:25:35,508 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:25:35,509 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:25:35,511 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:25:35,511 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:25:35,512 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:25:35,512 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:25:35,513 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:25:35,513 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 22:25:35,514 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 22:25:35,514 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:25:35,514 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 22:25:35,515 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:25:35,519 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:25:35,519 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:25:35,523 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:25:35,524 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:25:35,524 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:25:35,524 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 22:25:35,525 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:25:35,525 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:25:35,525 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:25:35,526 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:25:35,526 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:25:35,526 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 22:25:35,527 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:25:35,528 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 22:25:35,528 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_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1d054f79132e175b09d8c50472a4c24ca52f401c76e1d0704dd5609a369827e2 [2024-11-08 22:25:36,043 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:25:36,083 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:25:36,090 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:25:36,092 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:25:36,093 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:25:36,094 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.safe_arbitrated_fifos_n2d8w8.c Unable to find full path for "g++" [2024-11-08 22:25:38,468 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:25:38,820 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:25:38,821 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.safe_arbitrated_fifos_n2d8w8.c [2024-11-08 22:25:38,841 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/data/7760c0e4f/abe859ea51634e4a8fc502c7268773a4/FLAG15fc3e8d2 [2024-11-08 22:25:38,863 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/data/7760c0e4f/abe859ea51634e4a8fc502c7268773a4 [2024-11-08 22:25:38,866 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:25:38,868 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:25:38,869 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:25:38,869 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:25:38,876 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:25:38,877 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:25:38" (1/1) ... [2024-11-08 22:25:38,879 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53f3b946 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:25:38, skipping insertion in model container [2024-11-08 22:25:38,879 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:25:38" (1/1) ... [2024-11-08 22:25:38,947 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:25:39,356 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.safe_arbitrated_fifos_n2d8w8.c[1268,1281] [2024-11-08 22:25:39,766 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:25:39,788 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:25:39,804 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/sv-benchmarks/c/hardware-verification-array/btor2c-lazyMod.safe_arbitrated_fifos_n2d8w8.c[1268,1281] [2024-11-08 22:25:39,970 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:25:39,993 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:25:39,994 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:25:39 WrapperNode [2024-11-08 22:25:39,994 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:25:39,996 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:25:39,996 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:25:39,996 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:25:40,006 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:25:39" (1/1) ... [2024-11-08 22:25:40,042 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:25:39" (1/1) ... [2024-11-08 22:25:40,140 INFO L138 Inliner]: procedures = 18, calls = 41, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 954 [2024-11-08 22:25:40,140 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:25:40,141 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:25:40,142 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:25:40,142 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:25:40,155 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:25:39" (1/1) ... [2024-11-08 22:25:40,155 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:25:39" (1/1) ... [2024-11-08 22:25:40,169 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:25:39" (1/1) ... [2024-11-08 22:25:40,169 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:25:39" (1/1) ... [2024-11-08 22:25:40,205 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:25:39" (1/1) ... [2024-11-08 22:25:40,218 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:25:39" (1/1) ... [2024-11-08 22:25:40,226 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:25:39" (1/1) ... [2024-11-08 22:25:40,238 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:25:39" (1/1) ... [2024-11-08 22:25:40,256 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:25:40,257 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:25:40,257 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:25:40,258 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:25:40,259 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:25:39" (1/1) ... [2024-11-08 22:25:40,270 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:25:40,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:25:40,304 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:25:40,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:25:40,340 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:25:40,340 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-11-08 22:25:40,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 22:25:40,341 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 22:25:40,341 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 22:25:40,341 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 22:25:40,342 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:25:40,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:25:40,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-11-08 22:25:40,342 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 22:25:40,663 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:25:40,666 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:25:42,003 INFO L? ?]: Removed 687 outVars from TransFormulas that were not future-live. [2024-11-08 22:25:42,004 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:25:42,124 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:25:42,125 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 22:25:42,125 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:25:42 BoogieIcfgContainer [2024-11-08 22:25:42,125 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:25:42,126 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:25:42,126 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:25:42,140 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:25:42,140 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:25:42" (1/1) ... [2024-11-08 22:25:42,153 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:25:42,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:25:42,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 37 states and 54 transitions. [2024-11-08 22:25:42,227 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 54 transitions. [2024-11-08 22:25:42,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-08 22:25:42,232 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:25:42,233 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:25:42,233 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:25:42,245 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:25:42,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 22:25:43,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:25:43,063 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:25:43,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:25:43,463 INFO L255 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 22:25:43,474 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:25:43,552 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-08 22:25:43,565 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 22:25:43,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:25:43,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 37 states and 53 transitions. [2024-11-08 22:25:43,642 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 53 transitions. [2024-11-08 22:25:43,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-08 22:25:43,645 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:25:43,645 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:25:43,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:25:43,649 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:25:43,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-08 22:25:44,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:25:44,428 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:25:44,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:25:44,685 INFO L255 TraceCheckSpWp]: Trace formula consists of 354 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 22:25:44,689 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:25:44,729 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-08 22:25:44,737 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-08 22:25:44,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:25:44,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 37 states and 52 transitions. [2024-11-08 22:25:44,787 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 52 transitions. [2024-11-08 22:25:44,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-08 22:25:44,788 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:25:44,788 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:25:44,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:25:44,792 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:25:44,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-08 22:25:45,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:25:45,660 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:25:45,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:25:45,946 INFO L255 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 22:25:45,953 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:25:45,979 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-08 22:25:45,988 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-08 22:25:46,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:25:46,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 38 states and 53 transitions. [2024-11-08 22:25:46,041 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 53 transitions. [2024-11-08 22:25:46,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 22:25:46,042 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:25:46,042 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:25:46,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:25:46,049 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:25:46,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-08 22:25:46,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:25:46,847 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:25:47,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:25:47,116 INFO L255 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 22:25:47,123 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:25:47,158 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-08 22:25:47,171 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-08 22:25:47,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:25:47,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 38 states and 52 transitions. [2024-11-08 22:25:47,218 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 52 transitions. [2024-11-08 22:25:47,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 22:25:47,221 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:25:47,221 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:25:47,222 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:25:47,226 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:25:47,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-08 22:25:48,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:25:48,161 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:25:48,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:25:48,439 INFO L255 TraceCheckSpWp]: Trace formula consists of 365 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:25:48,445 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:25:48,504 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-08 22:25:48,512 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2024-11-08 22:25:48,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:25:48,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 40 states and 54 transitions. [2024-11-08 22:25:48,672 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 54 transitions. [2024-11-08 22:25:48,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-08 22:25:48,674 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:25:48,674 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:25:48,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:25:48,680 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:25:48,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-08 22:25:49,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:25:49,698 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:25:49,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:25:49,935 INFO L255 TraceCheckSpWp]: Trace formula consists of 371 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:25:49,939 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:25:49,981 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-08 22:25:49,992 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-08 22:25:50,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:25:50,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 42 states and 56 transitions. [2024-11-08 22:25:50,177 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 56 transitions. [2024-11-08 22:25:50,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-08 22:25:50,182 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:25:50,183 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:25:50,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:25:50,185 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:25:50,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-08 22:25:51,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:25:51,259 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:25:51,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:25:51,469 INFO L255 TraceCheckSpWp]: Trace formula consists of 377 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-08 22:25:51,473 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:25:51,528 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-08 22:25:51,540 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-08 22:25:51,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:25:51,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 44 states and 58 transitions. [2024-11-08 22:25:51,755 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 58 transitions. [2024-11-08 22:25:51,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-08 22:25:51,756 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:25:51,757 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:25:51,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:25:51,760 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:25:51,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-08 22:25:52,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:25:52,855 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:25:53,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:25:53,159 INFO L255 TraceCheckSpWp]: Trace formula consists of 383 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 22:25:53,164 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:25:53,228 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-08 22:25:53,239 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2024-11-08 22:25:53,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:25:53,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 46 states and 60 transitions. [2024-11-08 22:25:53,517 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 60 transitions. [2024-11-08 22:25:53,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-08 22:25:53,518 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:25:53,518 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:25:53,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:25:53,523 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:25:53,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-08 22:25:54,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:25:54,710 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:25:54,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:25:54,948 INFO L255 TraceCheckSpWp]: Trace formula consists of 389 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-08 22:25:54,954 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:25:55,024 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-08 22:25:55,037 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-11-08 22:25:55,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:25:55,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 48 states and 62 transitions. [2024-11-08 22:25:55,265 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 62 transitions. [2024-11-08 22:25:55,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-08 22:25:55,266 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:25:55,267 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:25:55,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:25:55,270 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:25:55,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-08 22:25:56,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:25:56,526 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:25:56,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:25:56,774 INFO L255 TraceCheckSpWp]: Trace formula consists of 395 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 22:25:56,778 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:25:56,838 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-08 22:25:56,857 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-11-08 22:25:57,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:25:57,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 50 states and 64 transitions. [2024-11-08 22:25:57,092 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 64 transitions. [2024-11-08 22:25:57,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-08 22:25:57,093 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:25:57,093 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:25:57,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:25:57,096 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:25:57,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-08 22:25:58,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:25:58,155 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:25:58,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:25:58,348 INFO L255 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-08 22:25:58,354 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:25:59,242 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-08 22:25:59,259 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-11-08 22:26:04,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:26:04,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 62 states and 84 transitions. [2024-11-08 22:26:04,318 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 84 transitions. [2024-11-08 22:26:04,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-08 22:26:04,320 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:26:04,321 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:26:04,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:26:04,324 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:26:04,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-08 22:26:06,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:26:06,237 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:26:06,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:26:06,815 INFO L255 TraceCheckSpWp]: Trace formula consists of 1115 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 22:26:06,819 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:26:06,956 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-11-08 22:26:06,978 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-11-08 22:26:07,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:26:07,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 63 states and 85 transitions. [2024-11-08 22:26:07,201 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 85 transitions. [2024-11-08 22:26:07,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-08 22:26:07,203 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:26:07,205 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:26:07,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:26:07,209 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:26:07,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-08 22:26:09,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:26:09,067 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:26:09,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:26:09,663 INFO L255 TraceCheckSpWp]: Trace formula consists of 1116 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 22:26:09,669 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:26:09,825 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-11-08 22:26:09,848 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (14)] Forceful destruction successful, exit code 0 [2024-11-08 22:26:10,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:26:10,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 63 states and 84 transitions. [2024-11-08 22:26:10,032 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 84 transitions. [2024-11-08 22:26:10,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-08 22:26:10,033 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:26:10,033 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:26:10,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:26:10,037 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:26:10,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-08 22:26:12,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:26:12,347 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:26:12,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:26:12,869 INFO L255 TraceCheckSpWp]: Trace formula consists of 1122 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 22:26:12,874 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:26:13,023 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2024-11-08 22:26:13,049 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-11-08 22:26:13,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:26:13,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 64 states and 85 transitions. [2024-11-08 22:26:13,273 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 85 transitions. [2024-11-08 22:26:13,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-08 22:26:13,275 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:26:13,275 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:26:13,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:26:13,279 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:26:13,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-08 22:26:15,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:26:15,587 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:26:16,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:26:16,189 INFO L255 TraceCheckSpWp]: Trace formula consists of 1123 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 22:26:16,197 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:26:16,398 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2024-11-08 22:26:16,462 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (16)] Forceful destruction successful, exit code 0 [2024-11-08 22:26:16,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:26:16,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 64 states and 84 transitions. [2024-11-08 22:26:16,687 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 84 transitions. [2024-11-08 22:26:16,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-08 22:26:16,688 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:26:16,688 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:26:16,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:26:16,692 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:26:16,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-08 22:26:19,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:26:19,402 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:26:19,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:26:19,980 INFO L255 TraceCheckSpWp]: Trace formula consists of 1129 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 22:26:19,986 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:26:20,150 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2024-11-08 22:26:20,183 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (17)] Forceful destruction successful, exit code 0 [2024-11-08 22:26:20,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:26:20,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 65 states and 85 transitions. [2024-11-08 22:26:20,392 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 85 transitions. [2024-11-08 22:26:20,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-08 22:26:20,393 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:26:20,394 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:26:20,394 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:26:20,395 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:26:20,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-11-08 22:26:23,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:26:23,095 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:26:23,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:26:23,638 INFO L255 TraceCheckSpWp]: Trace formula consists of 1130 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 22:26:23,641 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:26:23,825 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2024-11-08 22:26:23,855 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (18)] Forceful destruction successful, exit code 0 [2024-11-08 22:26:24,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:26:24,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 65 states and 84 transitions. [2024-11-08 22:26:24,089 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 84 transitions. [2024-11-08 22:26:24,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-08 22:26:24,090 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:26:24,091 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:26:24,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:26:24,094 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:26:24,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-11-08 22:26:27,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:26:27,254 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:26:27,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:26:27,799 INFO L255 TraceCheckSpWp]: Trace formula consists of 1136 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 22:26:27,805 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:26:28,103 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2024-11-08 22:26:28,153 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (19)] Forceful destruction successful, exit code 0 [2024-11-08 22:26:28,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:26:28,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 66 states and 85 transitions. [2024-11-08 22:26:28,452 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 85 transitions. [2024-11-08 22:26:28,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-08 22:26:28,454 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:26:28,454 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:26:28,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:26:28,459 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:26:28,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-11-08 22:26:31,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:26:31,585 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:26:32,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:26:32,113 INFO L255 TraceCheckSpWp]: Trace formula consists of 1137 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 22:26:32,118 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:26:32,392 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2024-11-08 22:26:32,438 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (20)] Forceful destruction successful, exit code 0 [2024-11-08 22:26:32,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:26:32,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 66 states and 84 transitions. [2024-11-08 22:26:32,765 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 84 transitions. [2024-11-08 22:26:32,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-08 22:26:32,767 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:26:32,767 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:26:32,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:26:32,771 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:26:32,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-11-08 22:26:36,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:26:36,286 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:26:36,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:26:36,883 INFO L255 TraceCheckSpWp]: Trace formula consists of 1143 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:26:36,887 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:26:37,105 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 62 proven. 1 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2024-11-08 22:26:37,146 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (21)] Forceful destruction successful, exit code 0 [2024-11-08 22:26:38,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:26:38,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 68 states and 86 transitions. [2024-11-08 22:26:38,223 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 86 transitions. [2024-11-08 22:26:38,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-08 22:26:38,225 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:26:38,225 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:26:38,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:26:38,229 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:26:38,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-11-08 22:26:42,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:26:42,071 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:26:42,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:26:42,657 INFO L255 TraceCheckSpWp]: Trace formula consists of 1150 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:26:42,663 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:26:42,933 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 62 proven. 1 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2024-11-08 22:26:42,988 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2024-11-08 22:26:44,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:26:44,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 70 states and 88 transitions. [2024-11-08 22:26:44,273 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 88 transitions. [2024-11-08 22:26:44,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-08 22:26:44,274 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:26:44,275 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:26:44,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:26:44,278 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:26:44,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-11-08 22:26:48,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:26:48,353 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:26:48,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:26:48,902 INFO L255 TraceCheckSpWp]: Trace formula consists of 1157 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:26:48,906 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:26:49,163 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 62 proven. 1 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2024-11-08 22:26:49,212 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2024-11-08 22:26:50,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:26:50,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 72 states and 90 transitions. [2024-11-08 22:26:50,294 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 90 transitions. [2024-11-08 22:26:50,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-08 22:26:50,294 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:26:50,295 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:26:50,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:26:50,296 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:26:50,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-11-08 22:26:54,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:26:54,571 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:26:55,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:26:55,116 INFO L255 TraceCheckSpWp]: Trace formula consists of 1164 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 22:26:55,119 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:26:55,347 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 62 proven. 1 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-08 22:26:55,380 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2024-11-08 22:26:56,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:26:56,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 74 states and 92 transitions. [2024-11-08 22:26:56,456 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 92 transitions. [2024-11-08 22:26:56,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-08 22:26:56,458 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:26:56,458 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:26:56,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:26:56,459 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:26:56,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-11-08 22:27:00,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:27:00,117 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:27:00,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:27:00,661 INFO L255 TraceCheckSpWp]: Trace formula consists of 1171 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-08 22:27:00,664 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:27:00,908 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 62 proven. 4 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-08 22:27:00,937 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (25)] Forceful destruction successful, exit code 0 [2024-11-08 22:27:02,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:27:02,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 76 states and 94 transitions. [2024-11-08 22:27:02,092 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 94 transitions. [2024-11-08 22:27:02,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-08 22:27:02,093 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:27:02,093 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:27:02,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:27:02,097 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:27:02,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-11-08 22:27:06,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:27:06,678 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:27:07,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:27:07,236 INFO L255 TraceCheckSpWp]: Trace formula consists of 1178 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 22:27:07,240 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:27:07,630 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 62 proven. 9 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-08 22:27:07,666 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2024-11-08 22:27:08,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:27:08,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 78 states and 96 transitions. [2024-11-08 22:27:08,962 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 96 transitions. [2024-11-08 22:27:08,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-08 22:27:08,963 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:27:08,964 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:27:08,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:27:08,968 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:27:08,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-11-08 22:27:13,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:27:13,730 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:27:14,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:27:14,287 INFO L255 TraceCheckSpWp]: Trace formula consists of 1185 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-08 22:27:14,291 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:27:14,662 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 62 proven. 4 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-11-08 22:27:14,703 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2024-11-08 22:27:15,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:27:15,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 80 states and 98 transitions. [2024-11-08 22:27:15,957 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 98 transitions. [2024-11-08 22:27:15,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-08 22:27:15,958 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:27:15,958 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:27:15,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:27:15,960 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:27:15,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-11-08 22:27:20,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:27:20,923 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:27:21,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:27:21,453 INFO L255 TraceCheckSpWp]: Trace formula consists of 1192 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 22:27:21,458 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:27:21,733 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 62 proven. 9 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-11-08 22:27:21,765 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (28)] Forceful destruction successful, exit code 0 [2024-11-08 22:27:22,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:27:22,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 82 states and 100 transitions. [2024-11-08 22:27:22,991 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 100 transitions. [2024-11-08 22:27:22,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-08 22:27:22,992 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:27:22,992 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:27:22,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:27:22,997 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:27:22,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-11-08 22:27:28,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:27:28,397 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:27:29,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:27:29,074 INFO L255 TraceCheckSpWp]: Trace formula consists of 1199 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-08 22:27:29,080 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:27:29,457 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 62 proven. 4 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-11-08 22:27:29,517 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2024-11-08 22:27:30,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:27:30,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 84 states and 102 transitions. [2024-11-08 22:27:30,781 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 102 transitions. [2024-11-08 22:27:30,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-08 22:27:30,782 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:27:30,782 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:27:30,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:27:30,788 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:27:30,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-11-08 22:27:35,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:27:35,311 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:27:35,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:27:35,824 INFO L255 TraceCheckSpWp]: Trace formula consists of 1206 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 22:27:35,826 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:27:36,091 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 62 proven. 9 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-11-08 22:27:36,123 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (30)] Forceful destruction successful, exit code 0 [2024-11-08 22:27:37,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:27:37,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 86 states and 104 transitions. [2024-11-08 22:27:37,274 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 104 transitions. [2024-11-08 22:27:37,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-08 22:27:37,275 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:27:37,275 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:27:37,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:27:37,279 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:27:37,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-11-08 22:27:41,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:27:41,829 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:27:42,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:27:42,263 INFO L255 TraceCheckSpWp]: Trace formula consists of 1213 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-08 22:27:42,266 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:27:42,533 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 62 proven. 4 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-08 22:27:42,573 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (31)] Forceful destruction successful, exit code 0 [2024-11-08 22:27:43,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:27:43,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 88 states and 106 transitions. [2024-11-08 22:27:43,821 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 106 transitions. [2024-11-08 22:27:43,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-08 22:27:43,822 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:27:43,822 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:27:43,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:27:43,825 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:27:43,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-11-08 22:27:48,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:27:48,589 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:27:49,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:27:49,052 INFO L255 TraceCheckSpWp]: Trace formula consists of 1220 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 22:27:49,055 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:27:49,403 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 62 proven. 9 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-08 22:27:49,437 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (32)] Forceful destruction successful, exit code 0 [2024-11-08 22:27:50,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:27:50,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 90 states and 108 transitions. [2024-11-08 22:27:50,771 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 108 transitions. [2024-11-08 22:27:50,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-08 22:27:50,772 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:27:50,772 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:27:50,772 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:27:50,776 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:27:50,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2024-11-08 22:27:55,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:27:55,914 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:27:56,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:27:56,423 INFO L255 TraceCheckSpWp]: Trace formula consists of 1227 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 22:27:56,426 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:27:56,722 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 62 proven. 16 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-08 22:27:56,759 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (33)] Forceful destruction successful, exit code 0 [2024-11-08 22:27:58,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:27:58,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 92 states and 110 transitions. [2024-11-08 22:27:58,079 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 110 transitions. [2024-11-08 22:27:58,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-08 22:27:58,080 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:27:58,080 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:27:58,080 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:27:58,082 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:27:58,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2024-11-08 22:28:03,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:28:03,192 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:28:03,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:28:03,648 INFO L255 TraceCheckSpWp]: Trace formula consists of 1234 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 22:28:03,651 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:28:03,979 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 62 proven. 25 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-08 22:28:04,017 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (34)] Forceful destruction successful, exit code 0 [2024-11-08 22:28:05,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:28:05,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 94 states and 112 transitions. [2024-11-08 22:28:05,476 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 112 transitions. [2024-11-08 22:28:05,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-08 22:28:05,476 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:28:05,477 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:28:05,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:28:05,478 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:28:05,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2024-11-08 22:28:10,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:28:10,775 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:28:11,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:28:11,223 INFO L255 TraceCheckSpWp]: Trace formula consists of 1241 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:28:11,226 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:28:11,576 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 62 proven. 36 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-08 22:28:11,615 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (35)] Forceful destruction successful, exit code 0 [2024-11-08 22:28:13,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:28:13,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 96 states and 114 transitions. [2024-11-08 22:28:13,131 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 114 transitions. [2024-11-08 22:28:13,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-08 22:28:13,132 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:28:13,132 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:28:13,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:28:13,137 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:28:13,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2024-11-08 22:28:18,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:28:18,501 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:28:18,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:28:19,005 INFO L255 TraceCheckSpWp]: Trace formula consists of 1248 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:28:19,008 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:28:19,371 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 62 proven. 49 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-08 22:28:19,411 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (36)] Forceful destruction successful, exit code 0 [2024-11-08 22:28:20,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:28:20,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 98 states and 115 transitions. [2024-11-08 22:28:20,098 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 115 transitions. [2024-11-08 22:28:20,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-08 22:28:20,098 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:28:20,099 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:28:20,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:28:20,100 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:28:20,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2024-11-08 22:28:25,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:28:25,667 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:28:26,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:28:26,123 INFO L255 TraceCheckSpWp]: Trace formula consists of 1255 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 22:28:26,127 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:28:26,549 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2024-11-08 22:28:26,603 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (37)] Forceful destruction successful, exit code 0 [2024-11-08 22:28:28,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:28:28,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 100 states and 117 transitions. [2024-11-08 22:28:28,955 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 117 transitions. [2024-11-08 22:28:28,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-08 22:28:28,956 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:28:28,956 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:28:28,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:28:28,958 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:28:28,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2024-11-08 22:28:34,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:28:34,656 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:28:35,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:28:35,109 INFO L255 TraceCheckSpWp]: Trace formula consists of 1261 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 22:28:35,113 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:28:35,545 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2024-11-08 22:28:35,589 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (38)] Forceful destruction successful, exit code 0 [2024-11-08 22:28:37,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:28:37,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 102 states and 119 transitions. [2024-11-08 22:28:37,950 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 119 transitions. [2024-11-08 22:28:37,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-08 22:28:37,951 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:28:37,951 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:28:37,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:28:37,955 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:28:37,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2024-11-08 22:28:43,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:28:43,830 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:28:44,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:28:44,332 INFO L255 TraceCheckSpWp]: Trace formula consists of 1267 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 22:28:44,335 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:28:44,699 INFO L134 CoverageAnalysis]: Checked inductivity of 266 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2024-11-08 22:28:44,748 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (39)] Forceful destruction successful, exit code 0 [2024-11-08 22:28:47,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:28:47,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 104 states and 121 transitions. [2024-11-08 22:28:47,135 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 121 transitions. [2024-11-08 22:28:47,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-08 22:28:47,135 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:28:47,135 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:28:47,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:28:47,136 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:28:47,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2024-11-08 22:28:53,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:28:53,207 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:28:53,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:28:53,733 INFO L255 TraceCheckSpWp]: Trace formula consists of 1273 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 22:28:53,736 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:28:54,130 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2024-11-08 22:28:54,180 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2024-11-08 22:28:56,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:28:56,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 106 states and 123 transitions. [2024-11-08 22:28:56,814 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 123 transitions. [2024-11-08 22:28:56,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-08 22:28:56,815 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:28:56,815 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:28:56,815 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:28:56,817 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:28:56,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2024-11-08 22:29:03,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:29:03,070 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:29:03,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:29:03,594 INFO L255 TraceCheckSpWp]: Trace formula consists of 1279 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 22:29:03,597 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:29:04,031 INFO L134 CoverageAnalysis]: Checked inductivity of 286 backedges. 62 proven. 16 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2024-11-08 22:29:04,080 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2024-11-08 22:29:05,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:29:05,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 108 states and 125 transitions. [2024-11-08 22:29:05,910 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 125 transitions. [2024-11-08 22:29:05,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-08 22:29:05,912 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:29:05,913 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:29:05,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:29:05,916 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:29:05,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2024-11-08 22:29:12,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:29:12,330 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:29:12,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:29:12,908 INFO L255 TraceCheckSpWp]: Trace formula consists of 1286 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 22:29:12,913 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:29:13,373 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 62 proven. 25 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2024-11-08 22:29:13,422 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (42)] Forceful destruction successful, exit code 0 [2024-11-08 22:29:15,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:29:15,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 110 states and 127 transitions. [2024-11-08 22:29:15,349 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 127 transitions. [2024-11-08 22:29:15,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-11-08 22:29:15,350 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:29:15,350 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:29:15,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:29:15,354 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:29:15,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2024-11-08 22:29:21,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:29:21,943 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:29:22,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:29:22,454 INFO L255 TraceCheckSpWp]: Trace formula consists of 1293 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 22:29:22,458 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:29:22,988 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 62 proven. 16 refuted. 0 times theorem prover too weak. 228 trivial. 0 not checked. [2024-11-08 22:29:23,040 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (43)] Forceful destruction successful, exit code 0 [2024-11-08 22:29:24,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:29:24,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 112 states and 129 transitions. [2024-11-08 22:29:24,974 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 129 transitions. [2024-11-08 22:29:24,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-08 22:29:24,975 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:29:24,975 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:29:24,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:29:24,978 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:29:24,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2024-11-08 22:29:31,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:29:31,801 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:29:32,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:29:32,314 INFO L255 TraceCheckSpWp]: Trace formula consists of 1300 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 22:29:32,317 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:29:32,882 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 62 proven. 25 refuted. 0 times theorem prover too weak. 228 trivial. 0 not checked. [2024-11-08 22:29:32,935 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (44)] Forceful destruction successful, exit code 0 [2024-11-08 22:29:34,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:29:34,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 114 states and 131 transitions. [2024-11-08 22:29:34,995 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 131 transitions. [2024-11-08 22:29:34,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-08 22:29:34,997 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:29:34,997 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:29:34,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:29:35,004 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:29:35,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2024-11-08 22:29:42,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:29:42,020 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:29:42,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:29:42,519 INFO L255 TraceCheckSpWp]: Trace formula consists of 1307 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 22:29:42,524 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:29:43,077 INFO L134 CoverageAnalysis]: Checked inductivity of 326 backedges. 62 proven. 16 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2024-11-08 22:29:43,136 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (45)] Forceful destruction successful, exit code 0 [2024-11-08 22:29:45,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:29:45,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 116 states and 133 transitions. [2024-11-08 22:29:45,234 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 133 transitions. [2024-11-08 22:29:45,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-08 22:29:45,235 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:29:45,235 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:29:45,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:29:45,236 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:29:45,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2024-11-08 22:29:52,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:29:52,391 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:29:52,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:29:52,887 INFO L255 TraceCheckSpWp]: Trace formula consists of 1314 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 22:29:52,890 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:29:53,438 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 62 proven. 25 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2024-11-08 22:29:53,493 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (46)] Forceful destruction successful, exit code 0 [2024-11-08 22:29:55,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:29:55,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 118 states and 135 transitions. [2024-11-08 22:29:55,647 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 135 transitions. [2024-11-08 22:29:55,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-08 22:29:55,648 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:29:55,649 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:29:55,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:29:55,652 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:29:55,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2024-11-08 22:30:03,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:30:03,071 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:30:03,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:30:03,563 INFO L255 TraceCheckSpWp]: Trace formula consists of 1321 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:30:03,566 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:30:04,060 INFO L134 CoverageAnalysis]: Checked inductivity of 346 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 310 trivial. 0 not checked. [2024-11-08 22:30:04,117 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (47)] Forceful destruction successful, exit code 0 [2024-11-08 22:30:07,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:30:07,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 120 states and 137 transitions. [2024-11-08 22:30:07,420 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 137 transitions. [2024-11-08 22:30:07,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-08 22:30:07,420 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:30:07,420 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:30:07,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:30:07,421 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:30:07,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2024-11-08 22:30:15,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:30:15,006 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:30:15,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:30:15,529 INFO L255 TraceCheckSpWp]: Trace formula consists of 1327 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:30:15,532 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:30:16,072 INFO L134 CoverageAnalysis]: Checked inductivity of 359 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 310 trivial. 0 not checked. [2024-11-08 22:30:16,132 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (48)] Forceful destruction successful, exit code 0 [2024-11-08 22:30:19,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:30:19,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 122 states and 138 transitions. [2024-11-08 22:30:19,560 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 138 transitions. [2024-11-08 22:30:19,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-08 22:30:19,561 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:30:19,561 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:30:19,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:30:19,565 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:30:19,569 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2024-11-08 22:30:28,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:30:28,355 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:30:28,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:30:28,905 INFO L255 TraceCheckSpWp]: Trace formula consists of 1333 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:30:28,909 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:30:29,456 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 338 trivial. 0 not checked. [2024-11-08 22:30:29,517 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (49)] Forceful destruction successful, exit code 0 [2024-11-08 22:30:33,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:30:33,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 124 states and 140 transitions. [2024-11-08 22:30:33,326 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 140 transitions. [2024-11-08 22:30:33,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-08 22:30:33,327 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:30:33,327 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:30:33,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:30:33,328 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:30:33,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2024-11-08 22:30:42,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:30:42,370 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:30:42,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:30:42,965 INFO L255 TraceCheckSpWp]: Trace formula consists of 1339 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:30:42,969 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:30:43,601 INFO L134 CoverageAnalysis]: Checked inductivity of 387 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 338 trivial. 0 not checked. [2024-11-08 22:30:43,667 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (50)] Forceful destruction successful, exit code 0 [2024-11-08 22:30:47,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:30:47,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 126 states and 141 transitions. [2024-11-08 22:30:47,196 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 141 transitions. [2024-11-08 22:30:47,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-08 22:30:47,197 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:30:47,197 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:30:47,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:30:47,199 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:30:47,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2024-11-08 22:30:56,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:30:56,187 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:30:56,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:30:56,793 INFO L255 TraceCheckSpWp]: Trace formula consists of 1345 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:30:56,796 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:30:57,434 INFO L134 CoverageAnalysis]: Checked inductivity of 402 backedges. 62 proven. 36 refuted. 0 times theorem prover too weak. 304 trivial. 0 not checked. [2024-11-08 22:30:57,505 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2024-11-08 22:31:00,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:31:00,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 128 states and 143 transitions. [2024-11-08 22:31:00,553 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 143 transitions. [2024-11-08 22:31:00,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-08 22:31:00,554 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:31:00,554 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:31:00,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:31:00,557 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:31:00,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2024-11-08 22:31:10,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:31:10,398 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:31:10,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:31:10,992 INFO L255 TraceCheckSpWp]: Trace formula consists of 1352 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:31:10,996 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:31:11,698 INFO L134 CoverageAnalysis]: Checked inductivity of 415 backedges. 62 proven. 49 refuted. 0 times theorem prover too weak. 304 trivial. 0 not checked. [2024-11-08 22:31:11,769 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (52)] Forceful destruction successful, exit code 0 [2024-11-08 22:31:13,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:31:13,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 130 states and 144 transitions. [2024-11-08 22:31:13,162 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 144 transitions. [2024-11-08 22:31:13,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-08 22:31:13,163 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:31:13,164 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:31:13,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:31:13,165 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:31:13,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2024-11-08 22:31:22,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:31:22,102 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:31:22,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:31:22,801 INFO L255 TraceCheckSpWp]: Trace formula consists of 1359 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:31:22,807 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:31:23,537 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 62 proven. 36 refuted. 0 times theorem prover too weak. 332 trivial. 0 not checked. [2024-11-08 22:31:23,610 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (53)] Forceful destruction successful, exit code 0 [2024-11-08 22:31:26,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:31:26,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 132 states and 146 transitions. [2024-11-08 22:31:26,475 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 146 transitions. [2024-11-08 22:31:26,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-08 22:31:26,476 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:31:26,476 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:31:26,476 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:31:26,479 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:31:26,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2024-11-08 22:31:35,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:31:35,715 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:31:36,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:31:36,273 INFO L255 TraceCheckSpWp]: Trace formula consists of 1366 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:31:36,276 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:31:36,953 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 62 proven. 49 refuted. 0 times theorem prover too weak. 332 trivial. 0 not checked. [2024-11-08 22:31:37,023 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (54)] Forceful destruction successful, exit code 0 [2024-11-08 22:31:38,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:31:38,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 134 states and 147 transitions. [2024-11-08 22:31:38,190 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 147 transitions. [2024-11-08 22:31:38,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-08 22:31:38,191 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:31:38,191 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:31:38,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:31:38,192 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:31:38,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2024-11-08 22:31:48,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:31:48,682 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:31:49,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:31:49,307 INFO L255 TraceCheckSpWp]: Trace formula consists of 1373 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:31:49,310 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:31:50,030 INFO L134 CoverageAnalysis]: Checked inductivity of 458 backedges. 62 proven. 36 refuted. 0 times theorem prover too weak. 360 trivial. 0 not checked. [2024-11-08 22:31:50,114 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (55)] Ended with exit code 0 [2024-11-08 22:31:53,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:31:53,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 136 states and 149 transitions. [2024-11-08 22:31:53,439 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 149 transitions. [2024-11-08 22:31:53,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-08 22:31:53,440 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:31:53,441 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:31:53,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:31:53,442 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:31:53,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2024-11-08 22:32:04,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:04,365 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:04,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:05,014 INFO L255 TraceCheckSpWp]: Trace formula consists of 1380 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:32:05,017 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:05,836 INFO L134 CoverageAnalysis]: Checked inductivity of 471 backedges. 62 proven. 49 refuted. 0 times theorem prover too weak. 360 trivial. 0 not checked. [2024-11-08 22:32:05,926 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (56)] Forceful destruction successful, exit code 0 [2024-11-08 22:32:07,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:32:07,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 138 states and 150 transitions. [2024-11-08 22:32:07,258 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 150 transitions. [2024-11-08 22:32:07,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-08 22:32:07,259 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:32:07,260 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:07,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:32:07,263 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:32:07,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2024-11-08 22:32:18,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:18,454 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:32:19,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:32:19,032 INFO L255 TraceCheckSpWp]: Trace formula consists of 1387 conjuncts, 46 conjuncts are in the unsatisfiable core [2024-11-08 22:32:19,046 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:32:26,670 INFO L134 CoverageAnalysis]: Checked inductivity of 486 backedges. 4 proven. 39 refuted. 0 times theorem prover too weak. 443 trivial. 0 not checked. [2024-11-08 22:32:26,751 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (57)] Forceful destruction successful, exit code 0 [2024-11-08 22:34:34,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:34:34,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 234 states and 268 transitions. [2024-11-08 22:34:34,027 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 268 transitions. [2024-11-08 22:34:34,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2024-11-08 22:34:34,030 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:34:34,030 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:34:34,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:34:34,037 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:34:34,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a14bf3d-cc7f-4bb9-b650-47050ef7913b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2024-11-08 22:34:47,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:34:47,625 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:34:48,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:34:48,676 INFO L255 TraceCheckSpWp]: Trace formula consists of 2325 conjuncts, 209 conjuncts are in the unsatisfiable core [2024-11-08 22:34:48,709 INFO L278 TraceCheckSpWp]: Computing forward predicates...