./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.2.prop3-back-serstep.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.2.prop3-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash b93d106aa5eb684f5a44623d3ce3e1175db95c785e4e9f53be56b513168aa870 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 04:37:08,414 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 04:37:08,474 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-12-03 04:37:08,478 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 04:37:08,479 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 04:37:08,499 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 04:37:08,500 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 04:37:08,501 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 04:37:08,501 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 04:37:08,502 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 04:37:08,503 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 04:37:08,503 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 04:37:08,504 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 04:37:08,504 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 04:37:08,505 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 04:37:08,505 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 04:37:08,506 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 04:37:08,506 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 04:37:08,507 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 04:37:08,507 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 04:37:08,508 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 04:37:08,508 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 04:37:08,509 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 04:37:08,509 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:37:08,510 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 04:37:08,510 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 04:37:08,510 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 04:37:08,511 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 04:37:08,511 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 04:37:08,511 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 04:37:08,512 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_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b93d106aa5eb684f5a44623d3ce3e1175db95c785e4e9f53be56b513168aa870 [2023-12-03 04:37:08,715 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 04:37:08,737 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 04:37:08,740 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 04:37:08,742 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 04:37:08,742 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 04:37:08,743 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.2.prop3-back-serstep.c [2023-12-03 04:37:11,452 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 04:37:11,768 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 04:37:11,768 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.2.prop3-back-serstep.c [2023-12-03 04:37:11,788 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/data/295f79d3d/0451e958eb4d4a739a9cea9599ab2e9a/FLAG59a79029b [2023-12-03 04:37:11,801 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/data/295f79d3d/0451e958eb4d4a739a9cea9599ab2e9a [2023-12-03 04:37:11,803 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 04:37:11,805 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 04:37:11,806 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 04:37:11,807 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 04:37:11,811 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 04:37:11,812 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:37:11" (1/1) ... [2023-12-03 04:37:11,813 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f264b5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:37:11, skipping insertion in model container [2023-12-03 04:37:11,813 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:37:11" (1/1) ... [2023-12-03 04:37:11,894 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:37:12,087 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.2.prop3-back-serstep.c[1172,1185] [2023-12-03 04:37:12,561 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:37:12,569 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 04:37:12,579 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.2.prop3-back-serstep.c[1172,1185] [2023-12-03 04:37:12,902 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:37:12,917 INFO L206 MainTranslator]: Completed translation [2023-12-03 04:37:12,918 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:37:12 WrapperNode [2023-12-03 04:37:12,918 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 04:37:12,919 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 04:37:12,919 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 04:37:12,920 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 04:37:12,927 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:37:12" (1/1) ... [2023-12-03 04:37:13,021 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:37:12" (1/1) ... [2023-12-03 04:37:14,009 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 13064 [2023-12-03 04:37:14,009 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 04:37:14,010 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 04:37:14,010 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 04:37:14,010 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 04:37:14,017 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:37:12" (1/1) ... [2023-12-03 04:37:14,017 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:37:12" (1/1) ... [2023-12-03 04:37:14,276 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:37:12" (1/1) ... [2023-12-03 04:37:14,276 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:37:12" (1/1) ... [2023-12-03 04:37:14,591 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:37:12" (1/1) ... [2023-12-03 04:37:14,697 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:37:12" (1/1) ... [2023-12-03 04:37:14,905 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:37:12" (1/1) ... [2023-12-03 04:37:14,951 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:37:12" (1/1) ... [2023-12-03 04:37:15,138 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 04:37:15,139 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 04:37:15,139 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 04:37:15,139 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 04:37:15,140 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:37:12" (1/1) ... [2023-12-03 04:37:15,145 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:37:15,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 04:37:15,168 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 04:37:15,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 04:37:15,199 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 04:37:15,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 04:37:15,200 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 04:37:15,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 04:37:15,823 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 04:37:15,826 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 04:37:24,210 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 04:37:43,442 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 04:37:43,442 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 04:37:43,444 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:37:43 BoogieIcfgContainer [2023-12-03 04:37:43,444 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 04:37:43,445 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 04:37:43,445 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 04:37:43,452 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 04:37:43,452 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:37:43" (1/1) ... [2023-12-03 04:37:43,459 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 04:37:43,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:37:43,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-03 04:37:43,501 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-03 04:37:43,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 04:37:43,503 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:37:43,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:37:45,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:37:50,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:38:00,967 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.49s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-03 04:38:11,067 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-03 04:38:15,715 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.42s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:38:16,850 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:38:22,717 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.84s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:38:33,021 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:38:43,064 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:38:43,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:38:43,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2023-12-03 04:38:43,124 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2023-12-03 04:38:43,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:38:43,124 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:38:43,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:38:55,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-03 04:38:55,418 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:488) 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) [2023-12-03 04:38:55,422 INFO L158 Benchmark]: Toolchain (without parser) took 103616.49ms. Allocated memory was 151.0MB in the beginning and 6.4GB in the end (delta: 6.3GB). Free memory was 102.5MB in the beginning and 5.4GB in the end (delta: -5.3GB). Peak memory consumption was 953.6MB. Max. memory is 16.1GB. [2023-12-03 04:38:55,422 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 104.9MB. Free memory is still 52.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:38:55,423 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1112.07ms. Allocated memory was 151.0MB in the beginning and 211.8MB in the end (delta: 60.8MB). Free memory was 102.5MB in the beginning and 134.1MB in the end (delta: -31.6MB). Peak memory consumption was 100.7MB. Max. memory is 16.1GB. [2023-12-03 04:38:55,424 INFO L158 Benchmark]: Boogie Procedure Inliner took 1089.92ms. Allocated memory was 211.8MB in the beginning and 341.8MB in the end (delta: 130.0MB). Free memory was 134.1MB in the beginning and 107.3MB in the end (delta: 26.8MB). Peak memory consumption was 167.1MB. Max. memory is 16.1GB. [2023-12-03 04:38:55,425 INFO L158 Benchmark]: Boogie Preprocessor took 1128.79ms. Allocated memory was 341.8MB in the beginning and 683.7MB in the end (delta: 341.8MB). Free memory was 107.3MB in the beginning and 397.9MB in the end (delta: -290.5MB). Peak memory consumption was 52.3MB. Max. memory is 16.1GB. [2023-12-03 04:38:55,426 INFO L158 Benchmark]: RCFGBuilder took 28305.02ms. Allocated memory was 683.7MB in the beginning and 4.5GB in the end (delta: 3.8GB). Free memory was 397.9MB in the beginning and 3.1GB in the end (delta: -2.7GB). Peak memory consumption was 1.8GB. Max. memory is 16.1GB. [2023-12-03 04:38:55,426 INFO L158 Benchmark]: CodeCheck took 71976.11ms. Allocated memory was 4.5GB in the beginning and 6.4GB in the end (delta: 1.9GB). Free memory was 3.1GB in the beginning and 5.4GB in the end (delta: -2.4GB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:38:55,430 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:488) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 104.9MB. Free memory is still 52.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1112.07ms. Allocated memory was 151.0MB in the beginning and 211.8MB in the end (delta: 60.8MB). Free memory was 102.5MB in the beginning and 134.1MB in the end (delta: -31.6MB). Peak memory consumption was 100.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1089.92ms. Allocated memory was 211.8MB in the beginning and 341.8MB in the end (delta: 130.0MB). Free memory was 134.1MB in the beginning and 107.3MB in the end (delta: 26.8MB). Peak memory consumption was 167.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1128.79ms. Allocated memory was 341.8MB in the beginning and 683.7MB in the end (delta: 341.8MB). Free memory was 107.3MB in the beginning and 397.9MB in the end (delta: -290.5MB). Peak memory consumption was 52.3MB. Max. memory is 16.1GB. * RCFGBuilder took 28305.02ms. Allocated memory was 683.7MB in the beginning and 4.5GB in the end (delta: 3.8GB). Free memory was 397.9MB in the beginning and 3.1GB in the end (delta: -2.7GB). Peak memory consumption was 1.8GB. Max. memory is 16.1GB. * CodeCheck took 71976.11ms. Allocated memory was 4.5GB in the beginning and 6.4GB in the end (delta: 1.9GB). Free memory was 3.1GB in the beginning and 5.4GB in the end (delta: -2.4GB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 04:38:55,642 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2023-12-03 04:38:55,675 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.2.prop3-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash b93d106aa5eb684f5a44623d3ce3e1175db95c785e4e9f53be56b513168aa870 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 04:38:57,615 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 04:38:57,698 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-12-03 04:38:57,731 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 04:38:57,732 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 04:38:57,733 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 04:38:57,734 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 04:38:57,734 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 04:38:57,735 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 04:38:57,736 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 04:38:57,736 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 04:38:57,737 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 04:38:57,737 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 04:38:57,738 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 04:38:57,738 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 04:38:57,739 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 04:38:57,739 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 04:38:57,740 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 04:38:57,740 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 04:38:57,741 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 04:38:57,742 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 04:38:57,742 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 04:38:57,743 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 04:38:57,743 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 04:38:57,744 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 04:38:57,744 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:38:57,745 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 04:38:57,745 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 04:38:57,746 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 04:38:57,746 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 04:38:57,746 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 04:38:57,747 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 04:38:57,747 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 04:38:57,747 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 04:38:57,748 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b93d106aa5eb684f5a44623d3ce3e1175db95c785e4e9f53be56b513168aa870 [2023-12-03 04:38:58,083 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 04:38:58,104 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 04:38:58,107 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 04:38:58,109 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 04:38:58,109 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 04:38:58,111 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.2.prop3-back-serstep.c [2023-12-03 04:39:00,918 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 04:39:01,282 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 04:39:01,283 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.2.prop3-back-serstep.c [2023-12-03 04:39:01,303 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/data/92a466567/98f90d34b36443bb8026ed140f7026f0/FLAG972415941 [2023-12-03 04:39:01,319 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/data/92a466567/98f90d34b36443bb8026ed140f7026f0 [2023-12-03 04:39:01,321 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 04:39:01,323 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 04:39:01,325 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 04:39:01,325 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 04:39:01,330 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 04:39:01,331 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:39:01" (1/1) ... [2023-12-03 04:39:01,333 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4110e81e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:39:01, skipping insertion in model container [2023-12-03 04:39:01,333 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:39:01" (1/1) ... [2023-12-03 04:39:01,416 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:39:01,628 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.2.prop3-back-serstep.c[1172,1185] [2023-12-03 04:39:01,993 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:39:02,005 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 04:39:02,019 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.2.prop3-back-serstep.c[1172,1185] [2023-12-03 04:39:02,214 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:39:02,229 INFO L206 MainTranslator]: Completed translation [2023-12-03 04:39:02,229 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:39:02 WrapperNode [2023-12-03 04:39:02,230 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 04:39:02,231 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 04:39:02,231 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 04:39:02,231 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 04:39:02,238 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:39:02" (1/1) ... [2023-12-03 04:39:02,289 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:39:02" (1/1) ... [2023-12-03 04:39:02,426 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3321 [2023-12-03 04:39:02,426 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 04:39:02,427 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 04:39:02,427 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 04:39:02,427 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 04:39:02,437 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:39:02" (1/1) ... [2023-12-03 04:39:02,437 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:39:02" (1/1) ... [2023-12-03 04:39:02,465 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:39:02" (1/1) ... [2023-12-03 04:39:02,465 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:39:02" (1/1) ... [2023-12-03 04:39:02,522 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:39:02" (1/1) ... [2023-12-03 04:39:02,530 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:39:02" (1/1) ... [2023-12-03 04:39:02,543 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:39:02" (1/1) ... [2023-12-03 04:39:02,554 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:39:02" (1/1) ... [2023-12-03 04:39:02,572 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 04:39:02,572 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 04:39:02,573 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 04:39:02,573 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 04:39:02,574 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:39:02" (1/1) ... [2023-12-03 04:39:02,579 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:39:02,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 04:39:02,605 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 04:39:02,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 04:39:02,644 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 04:39:02,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 04:39:02,644 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 04:39:02,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 04:39:03,147 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 04:39:03,150 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 04:39:08,770 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 04:39:08,976 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 04:39:08,976 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 04:39:08,978 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:39:08 BoogieIcfgContainer [2023-12-03 04:39:08,978 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 04:39:08,978 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 04:39:08,979 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 04:39:08,988 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 04:39:08,988 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:39:08" (1/1) ... [2023-12-03 04:39:08,996 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 04:39:09,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:39:09,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-03 04:39:09,040 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-03 04:39:09,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 04:39:09,041 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:39:09,042 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:39:09,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:39:09,043 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:39:09,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 04:39:10,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:39:10,035 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:39:10,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:39:10,342 INFO L262 TraceCheckSpWp]: Trace formula consists of 387 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 04:39:10,355 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:39:10,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:39:10,479 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 04:39:13,065 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.56s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:39:14,656 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:39:14,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:39:14,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2023-12-03 04:39:14,856 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2023-12-03 04:39:14,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:39:14,856 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:39:14,857 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:39:14,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:39:14,858 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:39:14,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 04:39:16,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:39:16,902 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:39:17,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:39:17,905 INFO L262 TraceCheckSpWp]: Trace formula consists of 2859 conjuncts, 79 conjunts are in the unsatisfiable core [2023-12-03 04:39:17,927 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:39:18,531 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:39:18,564 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 04:39:20,777 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:39:22,670 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:39:28,064 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.87s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:39:31,085 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 04:39:41,099 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 04:39:51,410 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 04:40:01,496 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 04:40:01,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:40:01,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 04:40:01,525 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 04:40:01,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:40:01,526 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:40:01,527 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:40:01,527 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:40:01,528 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:40:01,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 04:40:03,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:40:03,699 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:40:04,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:40:04,594 INFO L262 TraceCheckSpWp]: Trace formula consists of 2859 conjuncts, 79 conjunts are in the unsatisfiable core [2023-12-03 04:40:04,611 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:40:04,959 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:40:04,989 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-03 04:40:05,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:40:05,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 04:40:05,005 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 04:40:05,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:40:05,006 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:40:05,006 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:40:05,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:40:05,007 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:40:05,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-03 04:40:07,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:40:07,161 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:40:07,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:40:07,944 INFO L262 TraceCheckSpWp]: Trace formula consists of 2859 conjuncts, 79 conjunts are in the unsatisfiable core [2023-12-03 04:40:07,963 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:40:08,260 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:40:08,284 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-03 04:40:08,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:40:08,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 04:40:08,296 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 04:40:08,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:40:08,296 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:40:08,296 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:40:08,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:40:08,298 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:40:08,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-03 04:40:10,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:40:10,387 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:40:11,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:40:11,176 INFO L262 TraceCheckSpWp]: Trace formula consists of 2859 conjuncts, 79 conjunts are in the unsatisfiable core [2023-12-03 04:40:11,194 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:40:11,449 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:40:11,473 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-03 04:40:11,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:40:11,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 04:40:11,483 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 04:40:11,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:40:11,483 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:40:11,484 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:40:11,484 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:40:11,485 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:40:11,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-03 04:40:13,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:40:13,591 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:40:14,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:40:14,392 INFO L262 TraceCheckSpWp]: Trace formula consists of 2859 conjuncts, 79 conjunts are in the unsatisfiable core [2023-12-03 04:40:14,409 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:40:14,639 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:40:14,667 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-03 04:40:14,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:40:14,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 04:40:14,677 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 04:40:14,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:40:14,678 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:40:14,678 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:40:14,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:40:14,679 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:40:14,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-03 04:40:16,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:40:16,784 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:40:17,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:40:17,534 INFO L262 TraceCheckSpWp]: Trace formula consists of 2859 conjuncts, 79 conjunts are in the unsatisfiable core [2023-12-03 04:40:17,549 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:40:17,781 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:40:17,806 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-03 04:40:17,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:40:17,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 04:40:17,815 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 04:40:17,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:40:17,816 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:40:17,816 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:40:17,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:40:17,817 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:40:17,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-03 04:40:20,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:40:20,019 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:40:20,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:40:20,841 INFO L262 TraceCheckSpWp]: Trace formula consists of 2859 conjuncts, 79 conjunts are in the unsatisfiable core [2023-12-03 04:40:20,879 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:40:21,121 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:40:21,151 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-12-03 04:40:21,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:40:21,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 04:40:21,190 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 04:40:21,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:40:21,190 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:40:21,191 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:40:21,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:40:21,191 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:40:21,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-03 04:40:23,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:40:23,339 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:40:24,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:40:24,113 INFO L262 TraceCheckSpWp]: Trace formula consists of 2859 conjuncts, 79 conjunts are in the unsatisfiable core [2023-12-03 04:40:24,129 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:40:24,374 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:40:24,405 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2023-12-03 04:40:24,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:40:24,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 04:40:24,414 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 04:40:24,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:40:24,415 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:40:24,415 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:40:24,415 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:40:24,416 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:40:24,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-03 04:40:26,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:40:26,666 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:40:27,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:40:27,518 INFO L262 TraceCheckSpWp]: Trace formula consists of 2859 conjuncts, 79 conjunts are in the unsatisfiable core [2023-12-03 04:40:27,535 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:40:27,792 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:40:27,818 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2023-12-03 04:40:27,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:40:27,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 04:40:27,828 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 04:40:27,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:40:27,829 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:40:27,829 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:40:27,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:40:27,830 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:40:27,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-03 04:40:30,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:40:30,078 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:40:30,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:40:30,877 INFO L262 TraceCheckSpWp]: Trace formula consists of 2859 conjuncts, 79 conjunts are in the unsatisfiable core [2023-12-03 04:40:30,897 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:40:31,098 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:40:31,125 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2023-12-03 04:40:31,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:40:31,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 04:40:31,135 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 04:40:31,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:40:31,135 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:40:31,135 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:40:31,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:40:31,136 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:40:31,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-12-03 04:40:33,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:40:33,397 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:40:34,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:40:34,142 INFO L262 TraceCheckSpWp]: Trace formula consists of 2859 conjuncts, 79 conjunts are in the unsatisfiable core [2023-12-03 04:40:34,156 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:40:34,378 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:40:34,405 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2023-12-03 04:40:34,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:40:34,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 04:40:34,415 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 04:40:34,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:40:34,416 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:40:34,416 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:40:34,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:40:34,417 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:40:34,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-12-03 04:40:36,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:40:36,690 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:40:37,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:40:37,560 INFO L262 TraceCheckSpWp]: Trace formula consists of 2859 conjuncts, 79 conjunts are in the unsatisfiable core [2023-12-03 04:40:37,570 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:40:37,818 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:40:37,851 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2023-12-03 04:40:37,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:40:37,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 04:40:37,860 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 04:40:37,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:40:37,861 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:40:37,861 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:40:37,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:40:37,862 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:40:37,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-12-03 04:40:40,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:40:40,071 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:40:40,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:40:40,864 INFO L262 TraceCheckSpWp]: Trace formula consists of 2859 conjuncts, 79 conjunts are in the unsatisfiable core [2023-12-03 04:40:40,874 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:40:41,108 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:40:41,136 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2023-12-03 04:40:41,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:40:41,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 04:40:41,143 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 04:40:41,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:40:41,144 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:40:41,144 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:40:41,144 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:40:41,145 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:40:41,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2023-12-03 04:40:43,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:40:43,336 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:40:44,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:40:44,188 INFO L262 TraceCheckSpWp]: Trace formula consists of 2859 conjuncts, 79 conjunts are in the unsatisfiable core [2023-12-03 04:40:44,198 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:40:44,396 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:40:44,425 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2023-12-03 04:40:44,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:40:44,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 04:40:44,434 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 04:40:44,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:40:44,435 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:40:44,435 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:40:44,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:40:44,436 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:40:44,437 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2023-12-03 04:40:46,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:40:46,738 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:40:47,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:40:47,488 INFO L262 TraceCheckSpWp]: Trace formula consists of 2859 conjuncts, 79 conjunts are in the unsatisfiable core [2023-12-03 04:40:47,498 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:40:47,715 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:40:47,742 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2023-12-03 04:40:47,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:40:47,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 04:40:47,749 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 04:40:47,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:40:47,750 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:40:47,750 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:40:47,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:40:47,751 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:40:47,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2023-12-03 04:40:50,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:40:50,041 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:40:50,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:40:50,795 INFO L262 TraceCheckSpWp]: Trace formula consists of 2859 conjuncts, 79 conjunts are in the unsatisfiable core [2023-12-03 04:40:50,807 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:40:51,030 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:40:51,060 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2023-12-03 04:40:51,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:40:51,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 04:40:51,067 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 04:40:51,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:40:51,068 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:40:51,068 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:40:51,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:40:51,069 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:40:51,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2023-12-03 04:40:53,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:40:53,376 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:40:54,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:40:54,145 INFO L262 TraceCheckSpWp]: Trace formula consists of 2859 conjuncts, 79 conjunts are in the unsatisfiable core [2023-12-03 04:40:54,155 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:40:54,354 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:40:54,384 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2023-12-03 04:40:54,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:40:54,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 04:40:54,394 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 04:40:54,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:40:54,394 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:40:54,394 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:40:54,394 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:40:54,395 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:40:54,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2023-12-03 04:40:56,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:40:56,773 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:40:57,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:40:57,546 INFO L262 TraceCheckSpWp]: Trace formula consists of 2859 conjuncts, 79 conjunts are in the unsatisfiable core [2023-12-03 04:40:57,561 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:40:57,818 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:40:57,847 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2023-12-03 04:40:57,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:40:57,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 04:40:57,856 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 04:40:57,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:40:57,857 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:40:57,857 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:40:57,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:40:57,858 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:40:57,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2023-12-03 04:41:00,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:00,219 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:41:00,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:01,019 INFO L262 TraceCheckSpWp]: Trace formula consists of 2859 conjuncts, 79 conjunts are in the unsatisfiable core [2023-12-03 04:41:01,028 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:41:01,268 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:41:01,298 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2023-12-03 04:41:01,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:41:01,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 04:41:01,307 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 04:41:01,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:41:01,307 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:41:01,308 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:41:01,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:41:01,309 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:41:01,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2023-12-03 04:41:03,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:03,708 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:41:04,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:04,561 INFO L262 TraceCheckSpWp]: Trace formula consists of 2859 conjuncts, 79 conjunts are in the unsatisfiable core [2023-12-03 04:41:04,572 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:41:04,803 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:41:04,833 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Forceful destruction successful, exit code 0 [2023-12-03 04:41:04,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:41:04,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 04:41:04,841 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 04:41:04,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:41:04,841 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:41:04,841 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:41:04,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:41:04,842 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:41:04,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2023-12-03 04:41:07,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:07,185 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:41:07,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:07,980 INFO L262 TraceCheckSpWp]: Trace formula consists of 2859 conjuncts, 79 conjunts are in the unsatisfiable core [2023-12-03 04:41:07,987 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:41:08,246 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:41:08,277 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2023-12-03 04:41:08,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:41:08,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 04:41:08,286 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 04:41:08,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:41:08,286 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:41:08,286 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:41:08,286 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:41:08,287 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:41:08,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2023-12-03 04:41:10,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:10,735 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:41:11,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:11,575 INFO L262 TraceCheckSpWp]: Trace formula consists of 2859 conjuncts, 79 conjunts are in the unsatisfiable core [2023-12-03 04:41:11,582 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:41:11,874 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:41:11,906 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2023-12-03 04:41:11,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:41:11,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 04:41:11,915 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 04:41:11,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:41:11,915 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:41:11,915 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:41:11,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:41:11,917 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:41:11,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2023-12-03 04:41:14,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:14,251 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:41:14,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:15,019 INFO L262 TraceCheckSpWp]: Trace formula consists of 2859 conjuncts, 79 conjunts are in the unsatisfiable core [2023-12-03 04:41:15,026 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:41:15,260 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:41:15,292 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2023-12-03 04:41:15,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:41:15,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 04:41:15,302 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 04:41:15,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:41:15,302 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:41:15,303 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:41:15,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:41:15,304 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:41:15,305 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2023-12-03 04:41:17,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:17,700 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:41:18,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:18,542 INFO L262 TraceCheckSpWp]: Trace formula consists of 2859 conjuncts, 79 conjunts are in the unsatisfiable core [2023-12-03 04:41:18,549 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:41:18,747 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:41:18,779 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2023-12-03 04:41:18,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:41:18,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 04:41:18,788 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 04:41:18,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:41:18,788 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:41:18,788 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:41:18,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:41:18,789 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:41:18,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2023-12-03 04:41:21,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:21,253 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:41:22,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:22,071 INFO L262 TraceCheckSpWp]: Trace formula consists of 2859 conjuncts, 79 conjunts are in the unsatisfiable core [2023-12-03 04:41:22,079 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:41:22,298 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:41:22,330 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2023-12-03 04:41:22,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:41:22,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 04:41:22,339 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 04:41:22,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:41:22,339 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:41:22,339 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:41:22,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:41:22,340 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:41:22,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2023-12-03 04:41:24,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:24,883 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:41:25,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:25,699 INFO L262 TraceCheckSpWp]: Trace formula consists of 2859 conjuncts, 79 conjunts are in the unsatisfiable core [2023-12-03 04:41:25,706 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:41:25,916 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:41:25,948 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2023-12-03 04:41:25,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:41:25,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 04:41:25,957 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 04:41:25,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:41:25,957 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:41:25,957 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:41:25,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:41:25,958 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:41:25,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2023-12-03 04:41:28,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:28,721 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:41:29,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:29,559 INFO L262 TraceCheckSpWp]: Trace formula consists of 2859 conjuncts, 79 conjunts are in the unsatisfiable core [2023-12-03 04:41:29,566 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:41:29,774 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:41:29,807 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2023-12-03 04:41:29,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:41:29,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 04:41:29,815 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 04:41:29,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:41:29,815 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:41:29,815 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:41:29,815 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:41:29,816 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:41:29,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2023-12-03 04:41:32,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:32,379 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:41:33,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:33,179 INFO L262 TraceCheckSpWp]: Trace formula consists of 2859 conjuncts, 79 conjunts are in the unsatisfiable core [2023-12-03 04:41:33,186 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:41:33,399 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:41:33,454 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2023-12-03 04:41:33,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:41:33,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 04:41:33,470 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 04:41:33,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:41:33,470 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:41:33,470 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:41:33,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:41:33,471 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:41:33,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2023-12-03 04:41:35,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:35,947 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:41:36,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:36,768 INFO L262 TraceCheckSpWp]: Trace formula consists of 2859 conjuncts, 79 conjunts are in the unsatisfiable core [2023-12-03 04:41:36,775 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:41:36,990 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:41:37,022 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2023-12-03 04:41:37,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:41:37,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 04:41:37,031 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 04:41:37,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:41:37,031 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:41:37,031 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:41:37,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:41:37,032 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:41:37,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2023-12-03 04:41:39,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:39,577 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:41:40,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:40,396 INFO L262 TraceCheckSpWp]: Trace formula consists of 2859 conjuncts, 79 conjunts are in the unsatisfiable core [2023-12-03 04:41:40,404 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:41:40,630 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:41:40,664 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2023-12-03 04:41:40,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:41:40,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 04:41:40,672 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 04:41:40,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:41:40,672 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:41:40,672 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:41:40,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:41:40,673 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:41:40,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2023-12-03 04:41:43,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:43,219 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:41:43,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:44,041 INFO L262 TraceCheckSpWp]: Trace formula consists of 2859 conjuncts, 79 conjunts are in the unsatisfiable core [2023-12-03 04:41:44,049 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:41:44,278 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:41:44,314 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2023-12-03 04:41:44,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:41:44,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 04:41:44,322 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 04:41:44,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:41:44,323 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:41:44,323 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:41:44,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:41:44,324 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:41:44,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2023-12-03 04:41:46,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:46,999 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:41:47,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:47,826 INFO L262 TraceCheckSpWp]: Trace formula consists of 2859 conjuncts, 79 conjunts are in the unsatisfiable core [2023-12-03 04:41:47,834 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:41:48,045 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:41:48,085 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2023-12-03 04:41:48,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:41:48,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 04:41:48,093 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 04:41:48,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:41:48,093 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:41:48,093 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:41:48,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:41:48,094 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:41:48,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2023-12-03 04:41:50,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:50,581 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:41:51,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:51,441 INFO L262 TraceCheckSpWp]: Trace formula consists of 2859 conjuncts, 79 conjunts are in the unsatisfiable core [2023-12-03 04:41:51,448 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:41:51,643 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:41:51,678 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Forceful destruction successful, exit code 0 [2023-12-03 04:41:51,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:41:51,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 04:41:51,687 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 04:41:51,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:41:51,687 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:41:51,688 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:41:51,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:41:51,689 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:41:51,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2023-12-03 04:41:54,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:54,239 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:41:54,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:55,030 INFO L262 TraceCheckSpWp]: Trace formula consists of 2859 conjuncts, 79 conjunts are in the unsatisfiable core [2023-12-03 04:41:55,036 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:41:55,228 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:41:55,264 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2023-12-03 04:41:55,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:41:55,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 04:41:55,273 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 04:41:55,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:41:55,273 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:41:55,273 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:41:55,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:41:55,274 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:41:55,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2023-12-03 04:41:57,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:57,996 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:41:58,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:58,827 INFO L262 TraceCheckSpWp]: Trace formula consists of 2859 conjuncts, 79 conjunts are in the unsatisfiable core [2023-12-03 04:41:58,834 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:41:59,022 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:41:59,058 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Forceful destruction successful, exit code 0 [2023-12-03 04:41:59,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:41:59,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 04:41:59,066 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 04:41:59,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:41:59,066 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:41:59,066 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:41:59,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:41:59,067 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:41:59,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2023-12-03 04:42:01,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:42:01,651 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:42:02,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:42:02,489 INFO L262 TraceCheckSpWp]: Trace formula consists of 2859 conjuncts, 79 conjunts are in the unsatisfiable core [2023-12-03 04:42:02,497 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:42:02,727 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:42:02,764 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2023-12-03 04:42:02,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:42:02,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 04:42:02,774 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 04:42:02,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:42:02,775 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:42:02,775 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:42:02,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:42:02,776 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:42:02,777 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2023-12-03 04:42:05,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:42:05,372 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:42:06,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:42:06,155 INFO L262 TraceCheckSpWp]: Trace formula consists of 2859 conjuncts, 79 conjunts are in the unsatisfiable core [2023-12-03 04:42:06,162 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:42:06,379 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:42:06,416 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Forceful destruction successful, exit code 0 [2023-12-03 04:42:06,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:42:06,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 04:42:06,426 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 04:42:06,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:42:06,426 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:42:06,427 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:42:06,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:42:06,428 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:42:06,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2023-12-03 04:42:09,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:42:09,090 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:42:09,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:42:09,864 INFO L262 TraceCheckSpWp]: Trace formula consists of 2859 conjuncts, 79 conjunts are in the unsatisfiable core [2023-12-03 04:42:09,871 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:42:10,099 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:42:10,143 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2023-12-03 04:42:10,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:42:10,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 04:42:10,151 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 04:42:10,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:42:10,151 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:42:10,151 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:42:10,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:42:10,152 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:42:10,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2023-12-03 04:42:12,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:42:12,860 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:42:13,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:42:13,656 INFO L262 TraceCheckSpWp]: Trace formula consists of 2859 conjuncts, 79 conjunts are in the unsatisfiable core [2023-12-03 04:42:13,663 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:42:13,886 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:42:13,924 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2023-12-03 04:42:13,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:42:13,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 04:42:13,932 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 04:42:13,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:42:13,933 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:42:13,933 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:42:13,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:42:13,934 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:42:13,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2023-12-03 04:42:16,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:42:16,703 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:42:17,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:42:17,554 INFO L262 TraceCheckSpWp]: Trace formula consists of 2859 conjuncts, 79 conjunts are in the unsatisfiable core [2023-12-03 04:42:17,561 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:42:17,760 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:42:17,798 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Forceful destruction successful, exit code 0 [2023-12-03 04:42:17,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:42:17,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 04:42:17,806 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 04:42:17,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:42:17,806 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:42:17,807 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:42:17,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:42:17,807 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:42:17,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2023-12-03 04:42:20,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:42:20,624 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:42:21,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:42:21,418 INFO L262 TraceCheckSpWp]: Trace formula consists of 2859 conjuncts, 79 conjunts are in the unsatisfiable core [2023-12-03 04:42:21,425 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:42:21,622 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:42:21,667 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2023-12-03 04:42:21,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:42:21,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 04:42:21,675 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 04:42:21,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:42:21,675 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:42:21,676 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:42:21,676 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:42:21,677 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:42:21,678 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2023-12-03 04:42:24,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:42:24,389 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:42:25,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:42:25,176 INFO L262 TraceCheckSpWp]: Trace formula consists of 2859 conjuncts, 79 conjunts are in the unsatisfiable core [2023-12-03 04:42:25,184 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:42:25,378 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:42:25,415 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2023-12-03 04:42:25,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:42:25,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 04:42:25,423 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 04:42:25,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:42:25,423 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:42:25,423 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:42:25,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:42:25,424 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:42:25,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2023-12-03 04:42:28,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:42:28,345 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:42:29,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:42:29,196 INFO L262 TraceCheckSpWp]: Trace formula consists of 2859 conjuncts, 79 conjunts are in the unsatisfiable core [2023-12-03 04:42:29,203 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:42:29,417 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:42:29,456 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Forceful destruction successful, exit code 0 [2023-12-03 04:42:29,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:42:29,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 04:42:29,466 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 04:42:29,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:42:29,466 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:42:29,466 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:42:29,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:42:29,467 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:42:29,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2023-12-03 04:42:32,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:42:32,221 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:42:32,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:42:33,037 INFO L262 TraceCheckSpWp]: Trace formula consists of 2859 conjuncts, 79 conjunts are in the unsatisfiable core [2023-12-03 04:42:33,044 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:42:33,262 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:42:33,300 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Forceful destruction successful, exit code 0 [2023-12-03 04:42:33,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:42:33,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 04:42:33,308 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 04:42:33,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:42:33,308 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:42:33,308 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:42:33,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:42:33,309 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:42:33,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2023-12-03 04:42:36,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:42:36,039 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:42:36,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:42:36,784 INFO L262 TraceCheckSpWp]: Trace formula consists of 2859 conjuncts, 79 conjunts are in the unsatisfiable core [2023-12-03 04:42:36,791 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:42:37,005 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:42:37,044 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2023-12-03 04:42:37,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:42:37,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 04:42:37,052 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 04:42:37,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:42:37,052 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:42:37,052 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:42:37,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:42:37,053 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:42:37,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2023-12-03 04:42:39,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:42:39,898 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:42:40,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:42:40,723 INFO L262 TraceCheckSpWp]: Trace formula consists of 2859 conjuncts, 79 conjunts are in the unsatisfiable core [2023-12-03 04:42:40,731 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:42:40,933 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:42:40,971 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2023-12-03 04:42:40,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:42:40,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 04:42:40,978 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 04:42:40,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:42:40,979 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:42:40,979 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:42:40,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:42:40,980 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:42:40,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2023-12-03 04:42:43,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:42:43,759 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:42:44,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:42:44,554 INFO L262 TraceCheckSpWp]: Trace formula consists of 2859 conjuncts, 79 conjunts are in the unsatisfiable core [2023-12-03 04:42:44,561 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:42:44,751 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:42:44,790 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2023-12-03 04:42:44,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:42:44,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 04:42:44,798 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 04:42:44,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:42:44,799 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:42:44,799 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:42:44,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:42:44,800 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:42:44,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2023-12-03 04:42:47,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:42:47,610 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:42:48,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:42:48,401 INFO L262 TraceCheckSpWp]: Trace formula consists of 2859 conjuncts, 79 conjunts are in the unsatisfiable core [2023-12-03 04:42:48,408 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:42:48,604 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:42:48,643 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2023-12-03 04:42:48,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:42:48,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 04:42:48,652 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 04:42:48,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:42:48,652 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:42:48,652 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:42:48,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:42:48,653 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:42:48,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2023-12-03 04:42:51,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:42:51,578 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:42:52,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:42:52,394 INFO L262 TraceCheckSpWp]: Trace formula consists of 2859 conjuncts, 79 conjunts are in the unsatisfiable core [2023-12-03 04:42:52,401 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:42:52,601 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:42:52,642 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2023-12-03 04:42:52,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:42:52,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 04:42:52,678 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 04:42:52,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:42:52,678 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:42:52,679 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:42:52,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:42:52,679 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:42:52,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2023-12-03 04:42:55,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:42:55,464 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:42:56,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:42:56,266 INFO L262 TraceCheckSpWp]: Trace formula consists of 2859 conjuncts, 79 conjunts are in the unsatisfiable core [2023-12-03 04:42:56,274 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:42:56,488 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:42:56,528 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Ended with exit code 0 [2023-12-03 04:42:56,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:42:56,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 04:42:56,536 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 04:42:56,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:42:56,536 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:42:56,536 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:42:56,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:42:56,537 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:42:56,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2023-12-03 04:42:59,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:42:59,478 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:43:00,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:00,284 INFO L262 TraceCheckSpWp]: Trace formula consists of 2859 conjuncts, 79 conjunts are in the unsatisfiable core [2023-12-03 04:43:00,291 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:43:00,515 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:43:00,556 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Ended with exit code 0 [2023-12-03 04:43:00,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:43:00,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 04:43:00,564 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 04:43:00,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:43:00,564 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:43:00,564 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:43:00,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:43:00,565 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:43:00,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2023-12-03 04:43:03,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:03,472 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:43:04,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:04,323 INFO L262 TraceCheckSpWp]: Trace formula consists of 2859 conjuncts, 79 conjunts are in the unsatisfiable core [2023-12-03 04:43:04,330 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:43:04,523 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:43:04,565 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Forceful destruction successful, exit code 0 [2023-12-03 04:43:04,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:43:04,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 04:43:04,572 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 04:43:04,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:43:04,572 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:43:04,573 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:43:04,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:43:04,573 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:43:04,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2023-12-03 04:43:07,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:07,305 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:43:08,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:08,130 INFO L262 TraceCheckSpWp]: Trace formula consists of 2859 conjuncts, 79 conjunts are in the unsatisfiable core [2023-12-03 04:43:08,137 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:43:08,326 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:43:08,368 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Ended with exit code 0 [2023-12-03 04:43:08,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:43:08,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 04:43:08,376 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 04:43:08,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:43:08,377 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:43:08,377 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:43:08,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:43:08,378 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:43:08,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2023-12-03 04:43:11,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:11,266 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:43:12,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:12,103 INFO L262 TraceCheckSpWp]: Trace formula consists of 2859 conjuncts, 79 conjunts are in the unsatisfiable core [2023-12-03 04:43:12,110 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:43:12,304 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:43:12,346 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Ended with exit code 0 [2023-12-03 04:43:12,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:43:12,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 04:43:12,354 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 04:43:12,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:43:12,354 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:43:12,354 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:43:12,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:43:12,355 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:43:12,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2023-12-03 04:43:15,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:15,388 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:43:16,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:16,233 INFO L262 TraceCheckSpWp]: Trace formula consists of 2859 conjuncts, 79 conjunts are in the unsatisfiable core [2023-12-03 04:43:16,240 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:43:16,460 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:43:16,502 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Ended with exit code 0 [2023-12-03 04:43:16,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:43:16,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 04:43:16,511 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 04:43:16,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:43:16,511 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:43:16,511 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:43:16,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:43:16,512 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:43:16,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2023-12-03 04:43:19,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:19,527 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:43:20,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:20,355 INFO L262 TraceCheckSpWp]: Trace formula consists of 2859 conjuncts, 79 conjunts are in the unsatisfiable core [2023-12-03 04:43:20,362 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:43:20,592 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:43:20,635 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Ended with exit code 0 [2023-12-03 04:43:20,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:43:20,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 04:43:20,643 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 04:43:20,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:43:20,643 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:43:20,643 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:43:20,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:43:20,644 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:43:20,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2023-12-03 04:43:23,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:23,639 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:43:24,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:24,461 INFO L262 TraceCheckSpWp]: Trace formula consists of 2859 conjuncts, 79 conjunts are in the unsatisfiable core [2023-12-03 04:43:24,468 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:43:24,716 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:43:24,759 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Forceful destruction successful, exit code 0 [2023-12-03 04:43:24,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:43:24,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 04:43:24,768 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 04:43:24,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:43:24,768 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:43:24,768 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:43:24,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:43:24,769 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:43:24,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (60)] Waiting until timeout for monitored process [2023-12-03 04:43:27,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:27,753 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:43:28,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:28,585 INFO L262 TraceCheckSpWp]: Trace formula consists of 2859 conjuncts, 79 conjunts are in the unsatisfiable core [2023-12-03 04:43:28,592 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:43:28,787 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:43:28,830 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (60)] Ended with exit code 0 [2023-12-03 04:43:28,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:43:28,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 04:43:28,838 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 04:43:28,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:43:28,838 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:43:28,838 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:43:28,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:43:28,839 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:43:28,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2023-12-03 04:43:31,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:31,834 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:43:32,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:32,609 INFO L262 TraceCheckSpWp]: Trace formula consists of 2859 conjuncts, 79 conjunts are in the unsatisfiable core [2023-12-03 04:43:32,616 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:43:32,836 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:43:32,883 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (61)] Ended with exit code 0 [2023-12-03 04:43:32,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:43:32,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 04:43:32,890 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 04:43:32,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:43:32,890 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:43:32,890 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:43:32,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:43:32,891 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:43:32,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (62)] Waiting until timeout for monitored process [2023-12-03 04:43:36,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:36,012 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:43:36,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:36,844 INFO L262 TraceCheckSpWp]: Trace formula consists of 2859 conjuncts, 79 conjunts are in the unsatisfiable core [2023-12-03 04:43:36,851 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:43:37,072 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:43:37,119 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (62)] Ended with exit code 0 [2023-12-03 04:43:37,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:43:37,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 04:43:37,128 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 04:43:37,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:43:37,128 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:43:37,128 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:43:37,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:43:37,129 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:43:37,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (63)] Waiting until timeout for monitored process [2023-12-03 04:43:40,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:40,181 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:43:41,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:41,097 INFO L262 TraceCheckSpWp]: Trace formula consists of 2859 conjuncts, 79 conjunts are in the unsatisfiable core [2023-12-03 04:43:41,105 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:43:41,345 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:43:41,394 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (63)] Ended with exit code 0 [2023-12-03 04:43:41,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:43:41,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 04:43:41,403 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 04:43:41,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:43:41,403 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:43:41,403 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:43:41,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:43:41,404 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:43:41,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (64)] Waiting until timeout for monitored process [2023-12-03 04:43:44,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:44,410 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:43:45,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:45,272 INFO L262 TraceCheckSpWp]: Trace formula consists of 2859 conjuncts, 79 conjunts are in the unsatisfiable core [2023-12-03 04:43:45,283 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:43:45,516 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:43:45,561 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (64)] Ended with exit code 0 [2023-12-03 04:43:45,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:43:45,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 04:43:45,570 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 04:43:45,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:43:45,571 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:43:45,571 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:43:45,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:43:45,572 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:43:45,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (65)] Waiting until timeout for monitored process [2023-12-03 04:43:48,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:48,774 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:43:49,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:49,576 INFO L262 TraceCheckSpWp]: Trace formula consists of 2859 conjuncts, 79 conjunts are in the unsatisfiable core [2023-12-03 04:43:49,583 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:43:49,774 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:43:49,819 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (65)] Ended with exit code 0 [2023-12-03 04:43:49,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:43:49,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 04:43:49,827 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 04:43:49,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:43:49,828 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:43:49,828 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:43:49,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:43:49,829 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:43:49,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (66)] Waiting until timeout for monitored process [2023-12-03 04:43:52,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:52,841 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:43:53,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:53,655 INFO L262 TraceCheckSpWp]: Trace formula consists of 2859 conjuncts, 79 conjunts are in the unsatisfiable core [2023-12-03 04:43:53,662 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:43:53,917 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:43:53,965 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (66)] Ended with exit code 0 [2023-12-03 04:43:53,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:43:53,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 04:43:53,974 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 04:43:53,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:43:53,974 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:43:53,974 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:43:53,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:43:53,976 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:43:53,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (67)] Waiting until timeout for monitored process [2023-12-03 04:43:57,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:57,115 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:43:57,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:57,965 INFO L262 TraceCheckSpWp]: Trace formula consists of 2859 conjuncts, 79 conjunts are in the unsatisfiable core [2023-12-03 04:43:57,972 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:43:58,166 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:43:58,212 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (67)] Forceful destruction successful, exit code 0 [2023-12-03 04:43:58,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:43:58,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 04:43:58,220 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 04:43:58,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:43:58,220 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:43:58,220 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:43:58,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:43:58,221 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:43:58,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (68)] Waiting until timeout for monitored process [2023-12-03 04:44:01,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:01,463 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:44:02,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:02,263 INFO L262 TraceCheckSpWp]: Trace formula consists of 2859 conjuncts, 79 conjunts are in the unsatisfiable core [2023-12-03 04:44:02,270 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:44:02,482 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:44:02,528 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (68)] Ended with exit code 0 [2023-12-03 04:44:02,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:44:02,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 04:44:02,536 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 04:44:02,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:44:02,536 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:44:02,536 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:44:02,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:44:02,537 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:44:02,538 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (69)] Waiting until timeout for monitored process [2023-12-03 04:44:05,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:05,759 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:44:06,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:06,556 INFO L262 TraceCheckSpWp]: Trace formula consists of 2859 conjuncts, 79 conjunts are in the unsatisfiable core [2023-12-03 04:44:06,563 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:44:06,825 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:44:06,872 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (69)] Ended with exit code 0 [2023-12-03 04:44:06,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:44:06,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 04:44:06,879 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 04:44:06,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:44:06,879 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:44:06,880 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:44:06,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:44:06,880 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:44:06,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (70)] Waiting until timeout for monitored process [2023-12-03 04:44:10,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:10,292 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:44:11,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:11,139 INFO L262 TraceCheckSpWp]: Trace formula consists of 2859 conjuncts, 79 conjunts are in the unsatisfiable core [2023-12-03 04:44:11,147 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:44:11,386 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:44:11,432 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (70)] Ended with exit code 0 [2023-12-03 04:44:11,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:44:11,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 04:44:11,440 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 04:44:11,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:44:11,440 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:44:11,440 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:44:11,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:44:11,441 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:44:11,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (71)] Waiting until timeout for monitored process [2023-12-03 04:44:14,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:14,673 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:44:15,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:15,487 INFO L262 TraceCheckSpWp]: Trace formula consists of 2859 conjuncts, 79 conjunts are in the unsatisfiable core [2023-12-03 04:44:15,494 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:44:15,687 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:44:15,736 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (71)] Ended with exit code 0 [2023-12-03 04:44:15,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:44:15,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 04:44:15,745 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 04:44:15,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:44:15,745 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:44:15,745 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:44:15,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:44:15,746 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:44:15,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (72)] Waiting until timeout for monitored process [2023-12-03 04:44:19,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:19,035 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:44:19,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:19,861 INFO L262 TraceCheckSpWp]: Trace formula consists of 2859 conjuncts, 79 conjunts are in the unsatisfiable core [2023-12-03 04:44:19,868 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:44:20,072 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:44:20,117 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (72)] Ended with exit code 0 [2023-12-03 04:44:20,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:44:20,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 04:44:20,125 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 04:44:20,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:44:20,125 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:44:20,125 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:44:20,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:44:20,126 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:44:20,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (73)] Waiting until timeout for monitored process [2023-12-03 04:44:23,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:23,445 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:44:24,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:24,265 INFO L262 TraceCheckSpWp]: Trace formula consists of 2859 conjuncts, 79 conjunts are in the unsatisfiable core [2023-12-03 04:44:24,272 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:44:24,486 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:44:24,535 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (73)] Ended with exit code 0 [2023-12-03 04:44:24,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:44:24,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 04:44:24,542 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 04:44:24,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:44:24,542 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:44:24,543 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:44:24,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:44:24,544 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:44:24,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (74)] Waiting until timeout for monitored process [2023-12-03 04:44:27,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:27,770 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:44:28,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:28,582 INFO L262 TraceCheckSpWp]: Trace formula consists of 2859 conjuncts, 79 conjunts are in the unsatisfiable core [2023-12-03 04:44:28,589 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:44:28,829 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:44:28,878 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (74)] Ended with exit code 0 [2023-12-03 04:44:28,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:44:28,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 04:44:28,887 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 04:44:28,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:44:28,887 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:44:28,887 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:44:28,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:44:28,888 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:44:28,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (75)] Waiting until timeout for monitored process [2023-12-03 04:44:31,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:31,911 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:44:32,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:32,792 INFO L262 TraceCheckSpWp]: Trace formula consists of 2859 conjuncts, 79 conjunts are in the unsatisfiable core [2023-12-03 04:44:32,799 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:44:32,996 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:44:33,030 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (75)] Ended with exit code 0 [2023-12-03 04:44:33,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:44:33,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 04:44:33,038 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 04:44:33,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:44:33,038 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:44:33,038 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:44:33,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:44:33,039 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:44:33,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (76)] Waiting until timeout for monitored process [2023-12-03 04:44:36,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:36,422 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:44:37,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:37,227 INFO L262 TraceCheckSpWp]: Trace formula consists of 2859 conjuncts, 79 conjunts are in the unsatisfiable core [2023-12-03 04:44:37,234 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:44:37,437 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:44:37,471 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (76)] Ended with exit code 0 [2023-12-03 04:44:37,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:44:37,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 04:44:37,478 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 04:44:37,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:44:37,478 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:44:37,478 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:44:37,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:44:37,480 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:44:37,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (77)] Waiting until timeout for monitored process [2023-12-03 04:44:40,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:40,748 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:44:41,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:41,552 INFO L262 TraceCheckSpWp]: Trace formula consists of 2859 conjuncts, 79 conjunts are in the unsatisfiable core [2023-12-03 04:44:41,559 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:44:41,754 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:44:41,787 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (77)] Ended with exit code 0 [2023-12-03 04:44:41,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:44:41,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 04:44:41,794 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 04:44:41,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:44:41,795 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:44:41,795 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:44:41,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:44:41,796 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:44:41,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (78)] Waiting until timeout for monitored process [2023-12-03 04:44:45,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:45,200 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:44:45,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:46,023 INFO L262 TraceCheckSpWp]: Trace formula consists of 2859 conjuncts, 79 conjunts are in the unsatisfiable core [2023-12-03 04:44:46,030 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:44:46,250 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:44:46,282 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (78)] Ended with exit code 0 [2023-12-03 04:44:46,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:44:46,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 04:44:46,290 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 04:44:46,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:44:46,290 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:44:46,290 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:44:46,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:44:46,291 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:44:46,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (79)] Waiting until timeout for monitored process [2023-12-03 04:44:49,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:49,700 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:44:50,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:50,564 INFO L262 TraceCheckSpWp]: Trace formula consists of 2859 conjuncts, 79 conjunts are in the unsatisfiable core [2023-12-03 04:44:50,571 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:44:50,804 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:44:50,837 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (79)] Ended with exit code 0 [2023-12-03 04:44:50,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:44:50,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 04:44:50,845 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 04:44:50,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:44:50,845 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:44:50,845 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:44:50,845 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:44:50,846 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:44:50,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (80)] Waiting until timeout for monitored process [2023-12-03 04:44:54,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:54,215 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:44:55,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:55,090 INFO L262 TraceCheckSpWp]: Trace formula consists of 2859 conjuncts, 79 conjunts are in the unsatisfiable core [2023-12-03 04:44:55,097 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:44:55,291 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:44:55,325 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (80)] Ended with exit code 0 [2023-12-03 04:44:55,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:44:55,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 04:44:55,332 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 04:44:55,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:44:55,332 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:44:55,332 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:44:55,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:44:55,333 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:44:55,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (81)] Waiting until timeout for monitored process [2023-12-03 04:44:58,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:58,774 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:44:59,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:59,570 INFO L262 TraceCheckSpWp]: Trace formula consists of 2859 conjuncts, 79 conjunts are in the unsatisfiable core [2023-12-03 04:44:59,577 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:44:59,776 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:44:59,809 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (81)] Ended with exit code 0 [2023-12-03 04:44:59,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:44:59,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 04:44:59,817 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 04:44:59,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:44:59,817 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:44:59,817 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:44:59,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:44:59,818 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:44:59,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (82)] Waiting until timeout for monitored process [2023-12-03 04:45:03,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:03,309 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:45:04,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:04,086 INFO L262 TraceCheckSpWp]: Trace formula consists of 2859 conjuncts, 79 conjunts are in the unsatisfiable core [2023-12-03 04:45:04,093 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:45:04,308 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:45:04,345 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (82)] Ended with exit code 0 [2023-12-03 04:45:04,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:45:04,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 04:45:04,352 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 04:45:04,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:45:04,353 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:45:04,353 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:45:04,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:45:04,354 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:45:04,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (83)] Waiting until timeout for monitored process [2023-12-03 04:45:07,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:07,450 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:45:08,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:08,304 INFO L262 TraceCheckSpWp]: Trace formula consists of 2859 conjuncts, 79 conjunts are in the unsatisfiable core [2023-12-03 04:45:08,311 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:45:08,545 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:45:08,581 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (83)] Ended with exit code 0 [2023-12-03 04:45:08,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:45:08,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 04:45:08,588 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 04:45:08,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:45:08,588 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:45:08,588 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:45:08,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:45:08,589 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:45:08,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (84)] Waiting until timeout for monitored process [2023-12-03 04:45:12,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:12,076 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:45:12,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:12,949 INFO L262 TraceCheckSpWp]: Trace formula consists of 2859 conjuncts, 79 conjunts are in the unsatisfiable core [2023-12-03 04:45:12,956 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:45:13,153 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:45:13,191 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (84)] Forceful destruction successful, exit code 0 [2023-12-03 04:45:13,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:45:13,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 04:45:13,198 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 04:45:13,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:45:13,198 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:45:13,198 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:45:13,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:45:13,199 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:45:13,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (85)] Waiting until timeout for monitored process [2023-12-03 04:45:16,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:16,503 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:45:17,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:17,273 INFO L262 TraceCheckSpWp]: Trace formula consists of 2859 conjuncts, 79 conjunts are in the unsatisfiable core [2023-12-03 04:45:17,280 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:45:17,473 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:45:17,511 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (85)] Ended with exit code 0 [2023-12-03 04:45:17,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:45:17,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 04:45:17,519 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 04:45:17,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:45:17,519 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:45:17,519 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:45:17,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:45:17,520 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:45:17,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (86)] Waiting until timeout for monitored process [2023-12-03 04:45:21,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:21,115 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:45:21,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:21,963 INFO L262 TraceCheckSpWp]: Trace formula consists of 2859 conjuncts, 79 conjunts are in the unsatisfiable core [2023-12-03 04:45:21,971 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:45:22,189 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:45:22,227 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (86)] Ended with exit code 0 [2023-12-03 04:45:22,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:45:22,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 04:45:22,235 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 04:45:22,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:45:22,235 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:45:22,235 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:45:22,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:45:22,236 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:45:22,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (87)] Waiting until timeout for monitored process [2023-12-03 04:45:25,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:25,734 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:45:26,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:26,567 INFO L262 TraceCheckSpWp]: Trace formula consists of 2859 conjuncts, 79 conjunts are in the unsatisfiable core [2023-12-03 04:45:26,574 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:45:26,800 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:45:26,838 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (87)] Forceful destruction successful, exit code 0 [2023-12-03 04:45:26,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:45:26,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 04:45:26,846 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 04:45:26,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:45:26,846 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:45:26,846 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:45:26,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:45:26,847 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:45:26,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (88)] Waiting until timeout for monitored process [2023-12-03 04:45:30,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:30,580 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:45:31,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:31,421 INFO L262 TraceCheckSpWp]: Trace formula consists of 2859 conjuncts, 79 conjunts are in the unsatisfiable core [2023-12-03 04:45:31,428 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:45:31,619 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:45:31,656 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (88)] Ended with exit code 0 [2023-12-03 04:45:31,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:45:31,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 04:45:31,665 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 04:45:31,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:45:31,665 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:45:31,665 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:45:31,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:45:31,666 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:45:31,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (89)] Waiting until timeout for monitored process [2023-12-03 04:45:35,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:35,288 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:45:36,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:36,110 INFO L262 TraceCheckSpWp]: Trace formula consists of 2859 conjuncts, 79 conjunts are in the unsatisfiable core [2023-12-03 04:45:36,117 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:45:36,305 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:45:36,343 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (89)] Ended with exit code 0 [2023-12-03 04:45:36,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:45:36,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 04:45:36,350 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 04:45:36,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:45:36,351 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:45:36,351 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:45:36,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:45:36,351 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:45:36,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (90)] Waiting until timeout for monitored process [2023-12-03 04:45:39,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:39,856 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:45:40,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:40,629 INFO L262 TraceCheckSpWp]: Trace formula consists of 2859 conjuncts, 79 conjunts are in the unsatisfiable core [2023-12-03 04:45:40,636 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:45:40,823 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:45:40,861 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (90)] Ended with exit code 0 [2023-12-03 04:45:40,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:45:40,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 04:45:40,899 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 04:45:40,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:45:40,899 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:45:40,899 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:45:40,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:45:40,900 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:45:40,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (91)] Waiting until timeout for monitored process [2023-12-03 04:45:44,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:44,520 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:45:45,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:45,272 INFO L262 TraceCheckSpWp]: Trace formula consists of 2859 conjuncts, 79 conjunts are in the unsatisfiable core [2023-12-03 04:45:45,279 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:45:45,495 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:45:45,533 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (91)] Ended with exit code 0 [2023-12-03 04:45:45,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:45:45,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 04:45:45,541 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 04:45:45,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:45:45,541 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:45:45,541 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:45:45,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:45:45,542 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:45:45,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (92)] Waiting until timeout for monitored process [2023-12-03 04:45:49,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:49,191 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:45:50,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:50,112 INFO L262 TraceCheckSpWp]: Trace formula consists of 2859 conjuncts, 79 conjunts are in the unsatisfiable core [2023-12-03 04:45:50,119 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:45:50,316 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:45:50,355 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (92)] Ended with exit code 0 [2023-12-03 04:45:50,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:45:50,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 04:45:50,363 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 04:45:50,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:45:50,363 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:45:50,363 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:45:50,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:45:50,364 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:45:50,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (93)] Waiting until timeout for monitored process [2023-12-03 04:45:53,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:53,953 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:45:54,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:54,784 INFO L262 TraceCheckSpWp]: Trace formula consists of 2859 conjuncts, 79 conjunts are in the unsatisfiable core [2023-12-03 04:45:54,793 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:45:54,986 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:45:55,026 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (93)] Forceful destruction successful, exit code 0 [2023-12-03 04:45:55,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:45:55,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 04:45:55,033 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 04:45:55,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:45:55,034 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:45:55,034 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:45:55,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:45:55,035 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:45:55,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (94)] Waiting until timeout for monitored process [2023-12-03 04:45:58,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:58,671 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:45:59,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:59,459 INFO L262 TraceCheckSpWp]: Trace formula consists of 2859 conjuncts, 79 conjunts are in the unsatisfiable core [2023-12-03 04:45:59,466 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:45:59,658 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:45:59,704 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (94)] Ended with exit code 0 [2023-12-03 04:45:59,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:45:59,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 04:45:59,745 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 04:45:59,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:45:59,745 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:45:59,745 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:45:59,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:45:59,746 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:45:59,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (95)] Waiting until timeout for monitored process [2023-12-03 04:46:03,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:46:03,474 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:46:04,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:46:04,269 INFO L262 TraceCheckSpWp]: Trace formula consists of 2859 conjuncts, 79 conjunts are in the unsatisfiable core [2023-12-03 04:46:04,276 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:46:04,489 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:46:04,528 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (95)] Ended with exit code 0 [2023-12-03 04:46:04,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:46:04,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 04:46:04,536 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 04:46:04,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:46:04,536 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:46:04,536 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:46:04,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:46:04,537 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:46:04,538 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (96)] Waiting until timeout for monitored process [2023-12-03 04:46:08,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:46:08,188 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:46:08,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:46:08,995 INFO L262 TraceCheckSpWp]: Trace formula consists of 2859 conjuncts, 79 conjunts are in the unsatisfiable core [2023-12-03 04:46:09,002 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:46:09,191 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:46:09,231 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (96)] Ended with exit code 0 [2023-12-03 04:46:09,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:46:09,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 04:46:09,239 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 04:46:09,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:46:09,240 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:46:09,240 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:46:09,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:46:09,241 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:46:09,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (97)] Waiting until timeout for monitored process [2023-12-03 04:46:13,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:46:13,036 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:46:13,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:46:13,813 INFO L262 TraceCheckSpWp]: Trace formula consists of 2859 conjuncts, 79 conjunts are in the unsatisfiable core [2023-12-03 04:46:13,819 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:46:14,015 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:46:14,058 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (97)] Ended with exit code 0 [2023-12-03 04:46:14,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:46:14,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 04:46:14,065 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 04:46:14,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:46:14,065 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:46:14,065 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:46:14,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:46:14,066 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:46:14,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (98)] Waiting until timeout for monitored process [2023-12-03 04:46:17,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:46:17,923 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:46:18,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:46:18,688 INFO L262 TraceCheckSpWp]: Trace formula consists of 2859 conjuncts, 79 conjunts are in the unsatisfiable core [2023-12-03 04:46:18,695 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:46:18,910 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:46:18,950 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (98)] Ended with exit code 0 [2023-12-03 04:46:18,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:46:18,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 04:46:18,958 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 04:46:18,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:46:18,958 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:46:18,958 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:46:18,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:46:18,959 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:46:18,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (99)] Waiting until timeout for monitored process [2023-12-03 04:46:22,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:46:22,713 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:46:23,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:46:23,600 INFO L262 TraceCheckSpWp]: Trace formula consists of 2859 conjuncts, 79 conjunts are in the unsatisfiable core [2023-12-03 04:46:23,607 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:46:23,840 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:46:23,882 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (99)] Ended with exit code 0 [2023-12-03 04:46:23,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:46:23,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 04:46:23,890 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 04:46:23,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:46:23,890 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:46:23,890 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:46:23,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:46:23,891 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:46:23,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (100)] Waiting until timeout for monitored process [2023-12-03 04:46:27,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:46:27,657 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:46:28,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:46:28,504 INFO L262 TraceCheckSpWp]: Trace formula consists of 2859 conjuncts, 79 conjunts are in the unsatisfiable core [2023-12-03 04:46:28,511 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:46:28,718 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:46:28,759 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (100)] Ended with exit code 0 [2023-12-03 04:46:28,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:46:28,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 04:46:28,766 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 04:46:28,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:46:28,766 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:46:28,766 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:46:28,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:46:28,767 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:46:28,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (101)] Waiting until timeout for monitored process [2023-12-03 04:46:32,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:46:32,418 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:46:33,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:46:33,322 INFO L262 TraceCheckSpWp]: Trace formula consists of 2859 conjuncts, 79 conjunts are in the unsatisfiable core [2023-12-03 04:46:33,329 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:46:33,530 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:46:33,572 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (101)] Ended with exit code 0 [2023-12-03 04:46:33,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:46:33,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 04:46:33,579 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 04:46:33,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:46:33,580 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:46:33,580 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:46:33,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:46:33,581 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:46:33,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (102)] Waiting until timeout for monitored process [2023-12-03 04:46:37,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:46:37,536 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:46:38,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:46:38,429 INFO L262 TraceCheckSpWp]: Trace formula consists of 2859 conjuncts, 79 conjunts are in the unsatisfiable core [2023-12-03 04:46:38,437 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:46:38,676 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:46:38,720 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (102)] Ended with exit code 0 [2023-12-03 04:46:38,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:46:38,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 04:46:38,728 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 04:46:38,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:46:38,728 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:46:38,729 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:46:38,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:46:38,730 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:46:38,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (103)] Waiting until timeout for monitored process [2023-12-03 04:46:42,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:46:42,758 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:46:43,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:46:43,639 INFO L262 TraceCheckSpWp]: Trace formula consists of 2859 conjuncts, 79 conjunts are in the unsatisfiable core [2023-12-03 04:46:43,647 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:46:43,916 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:46:43,961 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (103)] Ended with exit code 0 [2023-12-03 04:46:43,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:46:43,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 04:46:43,970 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 04:46:43,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:46:43,970 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:46:43,970 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:46:43,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:46:43,971 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:46:43,972 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (104)] Waiting until timeout for monitored process [2023-12-03 04:46:47,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:46:47,838 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:46:48,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:46:48,710 INFO L262 TraceCheckSpWp]: Trace formula consists of 2859 conjuncts, 79 conjunts are in the unsatisfiable core [2023-12-03 04:46:48,717 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:46:48,928 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:46:48,973 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (104)] Ended with exit code 0 [2023-12-03 04:46:48,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:46:48,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 04:46:48,981 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 04:46:48,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:46:48,981 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:46:48,981 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:46:48,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:46:48,982 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:46:48,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (105)] Waiting until timeout for monitored process [2023-12-03 04:46:53,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:46:53,018 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:46:53,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:46:53,921 INFO L262 TraceCheckSpWp]: Trace formula consists of 2859 conjuncts, 79 conjunts are in the unsatisfiable core [2023-12-03 04:46:53,929 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:46:54,138 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:46:54,183 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (105)] Ended with exit code 0 [2023-12-03 04:46:54,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:46:54,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 04:46:54,191 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 04:46:54,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:46:54,191 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:46:54,191 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:46:54,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:46:54,192 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:46:54,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (106)] Waiting until timeout for monitored process [2023-12-03 04:46:58,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:46:58,491 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:46:59,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:46:59,365 INFO L262 TraceCheckSpWp]: Trace formula consists of 2859 conjuncts, 79 conjunts are in the unsatisfiable core [2023-12-03 04:46:59,372 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:46:59,600 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:46:59,645 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (106)] Ended with exit code 0 [2023-12-03 04:46:59,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:46:59,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 04:46:59,653 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 04:46:59,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:46:59,653 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:46:59,653 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:46:59,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:46:59,655 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:46:59,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (107)] Waiting until timeout for monitored process [2023-12-03 04:47:03,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:47:03,730 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:47:04,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:47:04,611 INFO L262 TraceCheckSpWp]: Trace formula consists of 2859 conjuncts, 79 conjunts are in the unsatisfiable core [2023-12-03 04:47:04,619 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:47:04,829 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:47:04,873 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (107)] Ended with exit code 0 [2023-12-03 04:47:04,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:47:04,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 04:47:04,881 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 04:47:04,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:47:04,882 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:47:04,882 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:47:04,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:47:04,883 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:47:04,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (108)] Waiting until timeout for monitored process [2023-12-03 04:47:09,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:47:09,037 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:47:09,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:47:09,981 INFO L262 TraceCheckSpWp]: Trace formula consists of 2859 conjuncts, 79 conjunts are in the unsatisfiable core [2023-12-03 04:47:09,989 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:47:10,203 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:47:10,250 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (108)] Ended with exit code 0 [2023-12-03 04:47:10,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:47:10,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 04:47:10,258 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 04:47:10,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:47:10,258 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:47:10,258 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:47:10,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:47:10,259 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:47:10,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (109)] Waiting until timeout for monitored process [2023-12-03 04:47:14,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:47:14,353 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:47:15,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:47:15,275 INFO L262 TraceCheckSpWp]: Trace formula consists of 2859 conjuncts, 79 conjunts are in the unsatisfiable core [2023-12-03 04:47:15,283 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:47:15,524 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:47:15,571 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (109)] Ended with exit code 0 [2023-12-03 04:47:15,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:47:15,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 04:47:15,578 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 04:47:15,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:47:15,579 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:47:15,579 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:47:15,579 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:47:15,580 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:47:15,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (110)] Waiting until timeout for monitored process [2023-12-03 04:47:19,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:47:19,463 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:47:20,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:47:20,302 INFO L262 TraceCheckSpWp]: Trace formula consists of 2859 conjuncts, 79 conjunts are in the unsatisfiable core [2023-12-03 04:47:20,309 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:47:20,536 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:47:20,580 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (110)] Ended with exit code 0 [2023-12-03 04:47:20,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:47:20,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 04:47:20,587 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 04:47:20,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:47:20,587 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:47:20,587 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:47:20,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:47:20,588 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:47:20,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (111)] Waiting until timeout for monitored process [2023-12-03 04:47:24,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:47:24,303 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:47:25,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:47:25,171 INFO L262 TraceCheckSpWp]: Trace formula consists of 2859 conjuncts, 79 conjunts are in the unsatisfiable core [2023-12-03 04:47:25,178 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:47:25,387 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:47:25,433 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (111)] Ended with exit code 0 [2023-12-03 04:47:25,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:47:25,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 04:47:25,441 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 04:47:25,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:47:25,442 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:47:25,442 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:47:25,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:47:25,443 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:47:25,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (112)] Waiting until timeout for monitored process [2023-12-03 04:47:29,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:47:29,512 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:47:30,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:47:30,350 INFO L262 TraceCheckSpWp]: Trace formula consists of 2859 conjuncts, 79 conjunts are in the unsatisfiable core [2023-12-03 04:47:30,357 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:47:30,554 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:47:30,598 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (112)] Ended with exit code 0 [2023-12-03 04:47:30,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:47:30,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 04:47:30,606 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 04:47:30,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:47:30,606 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:47:30,606 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:47:30,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:47:30,607 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:47:30,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (113)] Waiting until timeout for monitored process [2023-12-03 04:47:34,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:47:34,697 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:47:35,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:47:35,510 INFO L262 TraceCheckSpWp]: Trace formula consists of 2859 conjuncts, 79 conjunts are in the unsatisfiable core [2023-12-03 04:47:35,517 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:47:35,730 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:47:35,774 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (113)] Ended with exit code 0 [2023-12-03 04:47:35,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:47:35,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 04:47:35,782 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 04:47:35,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:47:35,782 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:47:35,782 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:47:35,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:47:35,783 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:47:35,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (114)] Waiting until timeout for monitored process [2023-12-03 04:47:39,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:47:39,689 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:47:40,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:47:40,547 INFO L262 TraceCheckSpWp]: Trace formula consists of 2859 conjuncts, 79 conjunts are in the unsatisfiable core [2023-12-03 04:47:40,554 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:47:40,761 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:47:40,806 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (114)] Ended with exit code 0 [2023-12-03 04:47:40,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:47:40,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 04:47:40,813 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 04:47:40,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:47:40,813 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:47:40,814 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:47:40,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:47:40,815 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:47:40,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (115)] Waiting until timeout for monitored process [2023-12-03 04:47:44,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:47:44,757 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:47:45,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:47:45,575 INFO L262 TraceCheckSpWp]: Trace formula consists of 2859 conjuncts, 79 conjunts are in the unsatisfiable core [2023-12-03 04:47:45,583 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:47:45,794 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:47:45,840 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (115)] Ended with exit code 0 [2023-12-03 04:47:45,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:47:45,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 04:47:45,847 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 04:47:45,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:47:45,848 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:47:45,848 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:47:45,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:47:45,849 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:47:45,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (116)] Waiting until timeout for monitored process [2023-12-03 04:47:49,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:47:49,959 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:47:50,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:47:50,802 INFO L262 TraceCheckSpWp]: Trace formula consists of 2859 conjuncts, 79 conjunts are in the unsatisfiable core [2023-12-03 04:47:50,809 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:47:51,037 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:47:51,082 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (116)] Ended with exit code 0 [2023-12-03 04:47:51,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:47:51,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 04:47:51,090 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 04:47:51,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:47:51,090 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:47:51,090 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:47:51,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:47:51,091 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:47:51,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (117)] Waiting until timeout for monitored process [2023-12-03 04:47:54,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:47:54,735 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:47:55,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:47:55,486 INFO L262 TraceCheckSpWp]: Trace formula consists of 2859 conjuncts, 79 conjunts are in the unsatisfiable core [2023-12-03 04:47:55,493 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:47:55,724 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:47:55,769 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (117)] Ended with exit code 0 [2023-12-03 04:47:55,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:47:55,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 04:47:55,776 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 04:47:55,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:47:55,776 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:47:55,777 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:47:55,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:47:55,778 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:47:55,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (118)] Waiting until timeout for monitored process [2023-12-03 04:47:59,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:47:59,830 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:48:00,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:48:00,716 INFO L262 TraceCheckSpWp]: Trace formula consists of 2859 conjuncts, 79 conjunts are in the unsatisfiable core [2023-12-03 04:48:00,723 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:48:00,915 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:48:00,961 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (118)] Ended with exit code 0 [2023-12-03 04:48:00,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:48:00,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 04:48:00,968 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 04:48:00,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:48:00,968 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:48:00,968 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:48:00,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:48:00,969 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:48:00,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (119)] Waiting until timeout for monitored process [2023-12-03 04:48:04,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:48:04,977 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:48:05,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:48:05,760 INFO L262 TraceCheckSpWp]: Trace formula consists of 2859 conjuncts, 79 conjunts are in the unsatisfiable core [2023-12-03 04:48:05,767 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:48:05,988 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:48:06,035 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (119)] Ended with exit code 0 [2023-12-03 04:48:06,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:48:06,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 04:48:06,043 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 04:48:06,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:48:06,043 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:48:06,043 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:48:06,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:48:06,044 INFO L229 MonitoredProcess]: Starting monitored process 120 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:48:06,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (120)] Waiting until timeout for monitored process [2023-12-03 04:48:10,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:48:10,122 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:48:10,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:48:10,937 INFO L262 TraceCheckSpWp]: Trace formula consists of 2859 conjuncts, 79 conjunts are in the unsatisfiable core [2023-12-03 04:48:10,944 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:48:11,169 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:48:11,217 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (120)] Ended with exit code 0 [2023-12-03 04:48:11,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:48:11,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 04:48:11,224 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 04:48:11,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:48:11,225 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:48:11,225 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:48:11,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:48:11,226 INFO L229 MonitoredProcess]: Starting monitored process 121 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:48:11,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (121)] Waiting until timeout for monitored process [2023-12-03 04:48:15,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:48:15,015 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:48:15,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:48:15,838 INFO L262 TraceCheckSpWp]: Trace formula consists of 2859 conjuncts, 79 conjunts are in the unsatisfiable core [2023-12-03 04:48:15,845 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:48:16,039 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:48:16,085 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (121)] Ended with exit code 0 [2023-12-03 04:48:16,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:48:16,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 04:48:16,092 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 04:48:16,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:48:16,092 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:48:16,092 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:48:16,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:48:16,093 INFO L229 MonitoredProcess]: Starting monitored process 122 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:48:16,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (122)] Waiting until timeout for monitored process [2023-12-03 04:48:20,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:48:20,326 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:48:21,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:48:21,103 INFO L262 TraceCheckSpWp]: Trace formula consists of 2859 conjuncts, 79 conjunts are in the unsatisfiable core [2023-12-03 04:48:21,111 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:48:21,332 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:48:21,377 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (122)] Ended with exit code 0 [2023-12-03 04:48:21,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:48:21,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 04:48:21,386 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 04:48:21,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:48:21,386 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:48:21,386 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:48:21,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:48:21,387 INFO L229 MonitoredProcess]: Starting monitored process 123 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:48:21,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (123)] Waiting until timeout for monitored process [2023-12-03 04:48:25,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:48:25,501 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:48:26,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:48:26,307 INFO L262 TraceCheckSpWp]: Trace formula consists of 2859 conjuncts, 79 conjunts are in the unsatisfiable core [2023-12-03 04:48:26,315 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:48:26,550 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:48:26,597 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (123)] Ended with exit code 0 [2023-12-03 04:48:26,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:48:26,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 04:48:26,606 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 04:48:26,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:48:26,606 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:48:26,606 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:48:26,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:48:26,607 INFO L229 MonitoredProcess]: Starting monitored process 124 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:48:26,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (124)] Waiting until timeout for monitored process [2023-12-03 04:48:30,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:48:30,381 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:48:31,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:48:31,254 INFO L262 TraceCheckSpWp]: Trace formula consists of 2859 conjuncts, 79 conjunts are in the unsatisfiable core [2023-12-03 04:48:31,261 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:48:31,461 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:48:31,508 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (124)] Ended with exit code 0 [2023-12-03 04:48:31,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:48:31,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 04:48:31,515 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 04:48:31,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:48:31,515 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:48:31,516 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:48:31,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:48:31,517 INFO L229 MonitoredProcess]: Starting monitored process 125 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:48:31,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (125)] Waiting until timeout for monitored process [2023-12-03 04:48:35,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:48:35,505 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:48:36,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:48:36,298 INFO L262 TraceCheckSpWp]: Trace formula consists of 2859 conjuncts, 79 conjunts are in the unsatisfiable core [2023-12-03 04:48:36,305 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:48:36,494 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:48:36,541 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (125)] Ended with exit code 0 [2023-12-03 04:48:36,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:48:36,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 04:48:36,550 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 04:48:36,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:48:36,550 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:48:36,550 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:48:36,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:48:36,551 INFO L229 MonitoredProcess]: Starting monitored process 126 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:48:36,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (126)] Waiting until timeout for monitored process [2023-12-03 04:48:40,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:48:40,827 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:48:41,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:48:41,635 INFO L262 TraceCheckSpWp]: Trace formula consists of 2859 conjuncts, 79 conjunts are in the unsatisfiable core [2023-12-03 04:48:41,642 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:48:41,870 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:48:41,917 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (126)] Ended with exit code 0 [2023-12-03 04:48:41,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:48:41,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 04:48:41,925 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 04:48:41,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:48:41,926 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:48:41,926 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:48:41,926 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:48:41,927 INFO L229 MonitoredProcess]: Starting monitored process 127 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:48:41,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (127)] Waiting until timeout for monitored process [2023-12-03 04:48:46,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:48:46,118 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:48:46,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:48:46,955 INFO L262 TraceCheckSpWp]: Trace formula consists of 2859 conjuncts, 79 conjunts are in the unsatisfiable core [2023-12-03 04:48:46,962 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:48:47,153 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:48:47,200 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (127)] Ended with exit code 0 [2023-12-03 04:48:47,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:48:47,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 04:48:47,208 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 04:48:47,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:48:47,208 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:48:47,208 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:48:47,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:48:47,209 INFO L229 MonitoredProcess]: Starting monitored process 128 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:48:47,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (128)] Waiting until timeout for monitored process [2023-12-03 04:48:51,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:48:51,253 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:48:52,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:48:52,072 INFO L262 TraceCheckSpWp]: Trace formula consists of 2859 conjuncts, 79 conjunts are in the unsatisfiable core [2023-12-03 04:48:52,081 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:48:52,272 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:48:52,319 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (128)] Ended with exit code 0 [2023-12-03 04:48:52,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:48:52,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 04:48:52,326 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 04:48:52,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:48:52,327 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:48:52,327 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:48:52,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:48:52,328 INFO L229 MonitoredProcess]: Starting monitored process 129 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:48:52,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (129)] Waiting until timeout for monitored process [2023-12-03 04:48:56,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:48:56,646 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:48:57,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:48:57,472 INFO L262 TraceCheckSpWp]: Trace formula consists of 2859 conjuncts, 79 conjunts are in the unsatisfiable core [2023-12-03 04:48:57,479 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:48:57,707 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:48:57,755 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (129)] Forceful destruction successful, exit code 0 [2023-12-03 04:48:57,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:48:57,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 04:48:57,762 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 04:48:57,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:48:57,762 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:48:57,762 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:48:57,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:48:57,763 INFO L229 MonitoredProcess]: Starting monitored process 130 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:48:57,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (130)] Waiting until timeout for monitored process [2023-12-03 04:49:01,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:49:01,980 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:49:02,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:49:02,840 INFO L262 TraceCheckSpWp]: Trace formula consists of 2859 conjuncts, 79 conjunts are in the unsatisfiable core [2023-12-03 04:49:02,849 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:49:03,046 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:49:03,095 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (130)] Ended with exit code 0 [2023-12-03 04:49:03,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:49:03,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 04:49:03,104 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 04:49:03,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:49:03,104 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:49:03,104 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:49:03,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:49:03,105 INFO L229 MonitoredProcess]: Starting monitored process 131 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:49:03,106 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (131)] Waiting until timeout for monitored process [2023-12-03 04:49:07,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:49:07,536 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:49:08,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:49:08,379 INFO L262 TraceCheckSpWp]: Trace formula consists of 2859 conjuncts, 79 conjunts are in the unsatisfiable core [2023-12-03 04:49:08,386 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:49:08,572 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:49:08,619 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (131)] Ended with exit code 0 [2023-12-03 04:49:08,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:49:08,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 04:49:08,626 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 04:49:08,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:49:08,627 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:49:08,627 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:49:08,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:49:08,628 INFO L229 MonitoredProcess]: Starting monitored process 132 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:49:08,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (132)] Waiting until timeout for monitored process [2023-12-03 04:49:13,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:49:13,098 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:49:13,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:49:13,934 INFO L262 TraceCheckSpWp]: Trace formula consists of 2859 conjuncts, 79 conjunts are in the unsatisfiable core [2023-12-03 04:49:13,941 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:49:14,162 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:49:14,208 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (132)] Ended with exit code 0 [2023-12-03 04:49:14,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:49:14,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 04:49:14,218 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 04:49:14,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:49:14,218 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:49:14,218 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:49:14,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:49:14,219 INFO L229 MonitoredProcess]: Starting monitored process 133 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:49:14,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (133)] Waiting until timeout for monitored process [2023-12-03 04:49:18,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:49:18,592 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:49:19,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:49:19,458 INFO L262 TraceCheckSpWp]: Trace formula consists of 2859 conjuncts, 79 conjunts are in the unsatisfiable core [2023-12-03 04:49:19,465 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:49:19,661 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:49:19,709 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (133)] Ended with exit code 0 [2023-12-03 04:49:19,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:49:19,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 04:49:19,716 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 04:49:19,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:49:19,717 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:49:19,717 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:49:19,717 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:49:19,718 INFO L229 MonitoredProcess]: Starting monitored process 134 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:49:19,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (134)] Waiting until timeout for monitored process [2023-12-03 04:49:24,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:49:24,062 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:49:24,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:49:24,830 INFO L262 TraceCheckSpWp]: Trace formula consists of 2859 conjuncts, 79 conjunts are in the unsatisfiable core [2023-12-03 04:49:24,837 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:49:25,026 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:49:25,074 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (134)] Ended with exit code 0 [2023-12-03 04:49:25,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:49:25,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 04:49:25,081 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 04:49:25,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:49:25,081 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:49:25,081 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:49:25,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:49:25,082 INFO L229 MonitoredProcess]: Starting monitored process 135 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:49:25,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (135)] Waiting until timeout for monitored process [2023-12-03 04:49:29,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:49:29,695 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:49:30,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:49:30,535 INFO L262 TraceCheckSpWp]: Trace formula consists of 2859 conjuncts, 79 conjunts are in the unsatisfiable core [2023-12-03 04:49:30,542 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:49:30,759 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:49:30,806 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (135)] Ended with exit code 0 [2023-12-03 04:49:30,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:49:30,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 04:49:30,814 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 04:49:30,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:49:30,814 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:49:30,814 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:49:30,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:49:30,815 INFO L229 MonitoredProcess]: Starting monitored process 136 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:49:30,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (136)] Waiting until timeout for monitored process [2023-12-03 04:49:34,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:49:34,659 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:49:35,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:49:35,535 INFO L262 TraceCheckSpWp]: Trace formula consists of 2859 conjuncts, 79 conjunts are in the unsatisfiable core [2023-12-03 04:49:35,543 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:49:35,730 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:49:35,779 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (136)] Ended with exit code 0 [2023-12-03 04:49:35,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:49:35,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 04:49:35,786 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 04:49:35,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:49:35,786 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:49:35,787 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:49:35,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:49:35,788 INFO L229 MonitoredProcess]: Starting monitored process 137 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:49:35,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (137)] Waiting until timeout for monitored process [2023-12-03 04:49:40,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:49:40,067 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:49:40,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:49:40,895 INFO L262 TraceCheckSpWp]: Trace formula consists of 2859 conjuncts, 79 conjunts are in the unsatisfiable core [2023-12-03 04:49:40,902 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:49:41,125 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:49:41,177 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (137)] Ended with exit code 0 [2023-12-03 04:49:41,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:49:41,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 04:49:41,184 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 04:49:41,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:49:41,185 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:49:41,185 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:49:41,185 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:49:41,186 INFO L229 MonitoredProcess]: Starting monitored process 138 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:49:41,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (138)] Waiting until timeout for monitored process [2023-12-03 04:49:45,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:49:45,323 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:49:46,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:49:46,083 INFO L262 TraceCheckSpWp]: Trace formula consists of 2859 conjuncts, 79 conjunts are in the unsatisfiable core [2023-12-03 04:49:46,090 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:49:46,307 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:49:46,356 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (138)] Ended with exit code 0 [2023-12-03 04:49:46,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:49:46,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 04:49:46,363 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 04:49:46,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:49:46,363 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:49:46,363 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:49:46,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:49:46,364 INFO L229 MonitoredProcess]: Starting monitored process 139 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:49:46,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (139)] Waiting until timeout for monitored process [2023-12-03 04:49:50,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:49:50,835 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:49:51,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:49:51,647 INFO L262 TraceCheckSpWp]: Trace formula consists of 2859 conjuncts, 79 conjunts are in the unsatisfiable core [2023-12-03 04:49:51,654 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:49:51,849 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:49:51,897 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (139)] Ended with exit code 0 [2023-12-03 04:49:51,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:49:51,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 04:49:51,904 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 04:49:51,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:49:51,905 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:49:51,905 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:49:51,905 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:49:51,906 INFO L229 MonitoredProcess]: Starting monitored process 140 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:49:51,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (140)] Waiting until timeout for monitored process [2023-12-03 04:49:56,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:49:56,219 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:49:57,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:49:57,069 INFO L262 TraceCheckSpWp]: Trace formula consists of 2859 conjuncts, 79 conjunts are in the unsatisfiable core [2023-12-03 04:49:57,076 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:49:57,295 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:49:57,345 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (140)] Ended with exit code 0 [2023-12-03 04:49:57,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:49:57,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 04:49:57,352 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 04:49:57,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:49:57,353 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:49:57,353 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:49:57,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:49:57,354 INFO L229 MonitoredProcess]: Starting monitored process 141 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:49:57,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (141)] Waiting until timeout for monitored process [2023-12-03 04:50:01,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:50:01,520 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:50:02,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:50:02,308 INFO L262 TraceCheckSpWp]: Trace formula consists of 2859 conjuncts, 79 conjunts are in the unsatisfiable core [2023-12-03 04:50:02,355 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:50:02,547 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:50:02,596 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (141)] Ended with exit code 0 [2023-12-03 04:50:02,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:50:02,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 04:50:02,603 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 04:50:02,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:50:02,604 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:50:02,604 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:50:02,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:50:02,605 INFO L229 MonitoredProcess]: Starting monitored process 142 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:50:02,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (142)] Waiting until timeout for monitored process [2023-12-03 04:50:07,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:50:07,234 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:50:08,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:50:08,083 INFO L262 TraceCheckSpWp]: Trace formula consists of 2859 conjuncts, 79 conjunts are in the unsatisfiable core [2023-12-03 04:50:08,091 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:50:08,296 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:50:08,347 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (142)] Ended with exit code 0 [2023-12-03 04:50:08,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:50:08,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 04:50:08,354 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 04:50:08,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:50:08,355 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:50:08,355 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:50:08,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:50:08,356 INFO L229 MonitoredProcess]: Starting monitored process 143 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:50:08,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (143)] Waiting until timeout for monitored process [2023-12-03 04:50:13,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:50:13,045 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:50:13,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:50:13,931 INFO L262 TraceCheckSpWp]: Trace formula consists of 2859 conjuncts, 79 conjunts are in the unsatisfiable core [2023-12-03 04:50:13,939 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:50:14,179 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:50:14,232 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (143)] Ended with exit code 0 [2023-12-03 04:50:14,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:50:14,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 04:50:14,240 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 04:50:14,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:50:14,240 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:50:14,240 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:50:14,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:50:14,241 INFO L229 MonitoredProcess]: Starting monitored process 144 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:50:14,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1100e56-cc50-4d33-88d5-3651fc2f9edb/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (144)] Waiting until timeout for monitored process