./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.gear.2.prop3-func-interl.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/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_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.gear.2.prop3-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/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_a860fa51-de16-4132-88d1-3d470b5719f6/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 b62a628143da77f7313458c5143cc5927890fdd29bef2bf4316c150edf06875b --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:20:12,227 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:20:12,290 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-12-03 00:20:12,295 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 00:20:12,295 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 00:20:12,317 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:20:12,318 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 00:20:12,318 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 00:20:12,319 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:20:12,320 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:20:12,320 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:20:12,321 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 00:20:12,321 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 00:20:12,322 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:20:12,322 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 00:20:12,323 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:20:12,323 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 00:20:12,324 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 00:20:12,324 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:20:12,325 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:20:12,326 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:20:12,328 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:20:12,329 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:20:12,329 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:20:12,330 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:20:12,330 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:20:12,331 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 00:20:12,331 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 00:20:12,332 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 00:20:12,332 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 00:20:12,332 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_a860fa51-de16-4132-88d1-3d470b5719f6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b62a628143da77f7313458c5143cc5927890fdd29bef2bf4316c150edf06875b [2023-12-03 00:20:12,531 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:20:12,550 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:20:12,552 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:20:12,553 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:20:12,554 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:20:12,555 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.gear.2.prop3-func-interl.c [2023-12-03 00:20:15,306 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:20:15,640 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:20:15,640 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.gear.2.prop3-func-interl.c [2023-12-03 00:20:15,662 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/data/331c6aabb/c5cedbc3e8cb4a5d84b955e973b6dca2/FLAGfeedf67dc [2023-12-03 00:20:15,677 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/data/331c6aabb/c5cedbc3e8cb4a5d84b955e973b6dca2 [2023-12-03 00:20:15,679 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:20:15,681 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:20:15,682 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:20:15,683 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:20:15,688 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:20:15,688 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:20:15" (1/1) ... [2023-12-03 00:20:15,689 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1549d978 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:20:15, skipping insertion in model container [2023-12-03 00:20:15,690 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:20:15" (1/1) ... [2023-12-03 00:20:15,793 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:20:15,990 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_a860fa51-de16-4132-88d1-3d470b5719f6/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.gear.2.prop3-func-interl.c[1171,1184] [2023-12-03 00:20:16,460 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:20:16,470 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:20:16,482 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_a860fa51-de16-4132-88d1-3d470b5719f6/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.gear.2.prop3-func-interl.c[1171,1184] [2023-12-03 00:20:16,723 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:20:16,734 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:20:16,735 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:20:16 WrapperNode [2023-12-03 00:20:16,735 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:20:16,736 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:20:16,736 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:20:16,736 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:20:16,741 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:20:16" (1/1) ... [2023-12-03 00:20:16,828 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:20:16" (1/1) ... [2023-12-03 00:20:18,066 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 14485 [2023-12-03 00:20:18,067 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:20:18,067 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:20:18,068 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:20:18,068 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:20:18,076 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:20:16" (1/1) ... [2023-12-03 00:20:18,076 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:20:16" (1/1) ... [2023-12-03 00:20:18,279 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:20:16" (1/1) ... [2023-12-03 00:20:18,279 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:20:16" (1/1) ... [2023-12-03 00:20:18,652 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:20:16" (1/1) ... [2023-12-03 00:20:18,731 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:20:16" (1/1) ... [2023-12-03 00:20:18,831 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:20:16" (1/1) ... [2023-12-03 00:20:18,874 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:20:16" (1/1) ... [2023-12-03 00:20:19,104 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:20:19,105 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:20:19,105 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:20:19,105 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:20:19,106 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:20:16" (1/1) ... [2023-12-03 00:20:19,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:20:19,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:20:19,137 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:20:19,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:20:19,171 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:20:19,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 00:20:19,171 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:20:19,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:20:19,911 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:20:19,914 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:20:28,590 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:20:48,818 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 00:20:48,819 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 00:20:48,820 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:20:48 BoogieIcfgContainer [2023-12-03 00:20:48,820 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 00:20:48,821 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 00:20:48,821 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 00:20:48,829 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 00:20:48,829 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:20:48" (1/1) ... [2023-12-03 00:20:48,836 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 00:20:48,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:20:48,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-03 00:20:48,874 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-03 00:20:48,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 00:20:48,876 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:20:48,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:20:49,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:20:52,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:21:03,051 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.70s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-03 00:21:13,146 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 00:21:13,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:21:13,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2023-12-03 00:21:13,990 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2023-12-03 00:21:13,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 00:21:13,990 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:21:13,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:21:26,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-03 00:21:26,260 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 00:21:26,265 INFO L158 Benchmark]: Toolchain (without parser) took 70583.59ms. Allocated memory was 180.4MB in the beginning and 6.1GB in the end (delta: 5.9GB). Free memory was 137.5MB in the beginning and 4.8GB in the end (delta: -4.6GB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. [2023-12-03 00:21:26,266 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 104.9MB. Free memory is still 55.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:21:26,267 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1052.87ms. Allocated memory is still 180.4MB. Free memory was 136.9MB in the beginning and 79.3MB in the end (delta: 57.6MB). Peak memory consumption was 90.1MB. Max. memory is 16.1GB. [2023-12-03 00:21:26,268 INFO L158 Benchmark]: Boogie Procedure Inliner took 1331.21ms. Allocated memory was 180.4MB in the beginning and 528.5MB in the end (delta: 348.1MB). Free memory was 79.3MB in the beginning and 280.3MB in the end (delta: -201.0MB). Peak memory consumption was 240.9MB. Max. memory is 16.1GB. [2023-12-03 00:21:26,269 INFO L158 Benchmark]: Boogie Preprocessor took 1036.82ms. Allocated memory is still 528.5MB. Free memory was 280.3MB in the beginning and 176.5MB in the end (delta: 103.8MB). Peak memory consumption was 119.5MB. Max. memory is 16.1GB. [2023-12-03 00:21:26,270 INFO L158 Benchmark]: RCFGBuilder took 29715.40ms. Allocated memory was 528.5MB in the beginning and 6.1GB in the end (delta: 5.6GB). Free memory was 176.5MB in the beginning and 5.3GB in the end (delta: -5.1GB). Peak memory consumption was 1.8GB. Max. memory is 16.1GB. [2023-12-03 00:21:26,271 INFO L158 Benchmark]: CodeCheck took 37442.70ms. Allocated memory is still 6.1GB. Free memory was 5.3GB in the beginning and 4.8GB in the end (delta: 495.6MB). Peak memory consumption was 493.4MB. Max. memory is 16.1GB. [2023-12-03 00:21:26,276 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 0.19ms. Allocated memory is still 104.9MB. Free memory is still 55.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1052.87ms. Allocated memory is still 180.4MB. Free memory was 136.9MB in the beginning and 79.3MB in the end (delta: 57.6MB). Peak memory consumption was 90.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1331.21ms. Allocated memory was 180.4MB in the beginning and 528.5MB in the end (delta: 348.1MB). Free memory was 79.3MB in the beginning and 280.3MB in the end (delta: -201.0MB). Peak memory consumption was 240.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1036.82ms. Allocated memory is still 528.5MB. Free memory was 280.3MB in the beginning and 176.5MB in the end (delta: 103.8MB). Peak memory consumption was 119.5MB. Max. memory is 16.1GB. * RCFGBuilder took 29715.40ms. Allocated memory was 528.5MB in the beginning and 6.1GB in the end (delta: 5.6GB). Free memory was 176.5MB in the beginning and 5.3GB in the end (delta: -5.1GB). Peak memory consumption was 1.8GB. Max. memory is 16.1GB. * CodeCheck took 37442.70ms. Allocated memory is still 6.1GB. Free memory was 5.3GB in the beginning and 4.8GB in the end (delta: 495.6MB). Peak memory consumption was 493.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 00:21:26,491 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2023-12-03 00:21:26,528 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/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_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.gear.2.prop3-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/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_a860fa51-de16-4132-88d1-3d470b5719f6/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 b62a628143da77f7313458c5143cc5927890fdd29bef2bf4316c150edf06875b --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:21:28,522 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:21:28,602 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-12-03 00:21:28,636 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:21:28,637 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 00:21:28,638 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 00:21:28,638 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:21:28,639 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:21:28,640 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:21:28,640 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 00:21:28,641 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:21:28,641 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 00:21:28,642 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:21:28,642 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 00:21:28,643 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 00:21:28,643 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 00:21:28,644 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 00:21:28,645 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 00:21:28,645 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:21:28,645 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:21:28,646 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:21:28,647 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:21:28,647 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 00:21:28,647 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 00:21:28,648 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:21:28,648 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:21:28,649 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:21:28,650 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:21:28,650 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 00:21:28,650 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 00:21:28,651 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 00:21:28,651 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 00:21:28,651 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 00:21:28,652 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 00:21:28,652 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_a860fa51-de16-4132-88d1-3d470b5719f6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b62a628143da77f7313458c5143cc5927890fdd29bef2bf4316c150edf06875b [2023-12-03 00:21:28,994 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:21:29,015 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:21:29,018 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:21:29,019 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:21:29,020 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:21:29,021 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.gear.2.prop3-func-interl.c [2023-12-03 00:21:31,840 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:21:32,196 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:21:32,197 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.gear.2.prop3-func-interl.c [2023-12-03 00:21:32,215 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/data/123eb417c/078d26e747bf46f5a1b4d7ea9baeacec/FLAGc98fd4baa [2023-12-03 00:21:32,228 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/data/123eb417c/078d26e747bf46f5a1b4d7ea9baeacec [2023-12-03 00:21:32,230 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:21:32,232 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:21:32,233 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:21:32,233 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:21:32,237 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:21:32,237 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:21:32" (1/1) ... [2023-12-03 00:21:32,239 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@456ff8cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:21:32, skipping insertion in model container [2023-12-03 00:21:32,239 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:21:32" (1/1) ... [2023-12-03 00:21:32,329 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:21:32,522 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_a860fa51-de16-4132-88d1-3d470b5719f6/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.gear.2.prop3-func-interl.c[1171,1184] [2023-12-03 00:21:32,941 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:21:32,954 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:21:32,964 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_a860fa51-de16-4132-88d1-3d470b5719f6/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.gear.2.prop3-func-interl.c[1171,1184] [2023-12-03 00:21:33,171 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:21:33,186 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:21:33,186 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:21:33 WrapperNode [2023-12-03 00:21:33,186 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:21:33,187 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:21:33,187 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:21:33,188 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:21:33,194 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:21:33" (1/1) ... [2023-12-03 00:21:33,247 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:21:33" (1/1) ... [2023-12-03 00:21:33,397 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3645 [2023-12-03 00:21:33,398 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:21:33,399 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:21:33,399 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:21:33,399 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:21:33,409 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:21:33" (1/1) ... [2023-12-03 00:21:33,409 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:21:33" (1/1) ... [2023-12-03 00:21:33,435 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:21:33" (1/1) ... [2023-12-03 00:21:33,435 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:21:33" (1/1) ... [2023-12-03 00:21:33,521 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:21:33" (1/1) ... [2023-12-03 00:21:33,530 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:21:33" (1/1) ... [2023-12-03 00:21:33,552 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:21:33" (1/1) ... [2023-12-03 00:21:33,565 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:21:33" (1/1) ... [2023-12-03 00:21:33,585 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:21:33,586 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:21:33,587 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:21:33,587 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:21:33,588 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:21:33" (1/1) ... [2023-12-03 00:21:33,593 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:21:33,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:21:33,617 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:21:33,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:21:33,651 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:21:33,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 00:21:33,652 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:21:33,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:21:34,218 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:21:34,221 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:21:39,424 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:21:39,589 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 00:21:39,589 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 00:21:39,590 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:21:39 BoogieIcfgContainer [2023-12-03 00:21:39,591 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 00:21:39,591 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 00:21:39,591 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 00:21:39,598 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 00:21:39,598 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:21:39" (1/1) ... [2023-12-03 00:21:39,605 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 00:21:39,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:21:39,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-03 00:21:39,647 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-03 00:21:39,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 00:21:39,649 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:21:39,650 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:21:39,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:21:39,680 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:21:39,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 00:21:40,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:21:40,675 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:21:40,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:21:40,956 INFO L262 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 00:21:40,975 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:21:41,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:21:41,140 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 00:21:42,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:21:42,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2023-12-03 00:21:42,016 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2023-12-03 00:21:42,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 00:21:42,017 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:21:42,017 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:21:42,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:21:42,018 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:21:42,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 00:21:44,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:21:44,041 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:21:45,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:21:45,097 INFO L262 TraceCheckSpWp]: Trace formula consists of 3111 conjuncts, 83 conjunts are in the unsatisfiable core [2023-12-03 00:21:45,127 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:21:46,116 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:21:46,147 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 00:21:53,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:21:53,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 12 states and 21 transitions. [2023-12-03 00:21:53,834 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 21 transitions. [2023-12-03 00:21:53,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 00:21:53,836 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:21:53,836 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:21:53,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:21:53,837 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:21:53,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 00:21:57,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:21:57,508 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:21:59,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:21:59,138 INFO L262 TraceCheckSpWp]: Trace formula consists of 6003 conjuncts, 143 conjunts are in the unsatisfiable core [2023-12-03 00:21:59,176 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:22:01,797 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:22:01,840 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-12-03 00:22:04,580 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 00:22:08,787 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.86s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 00:22:09,977 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 00:22:17,669 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.89s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 00:22:29,900 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 00:22:40,974 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 00:22:50,990 WARN L539 Checker$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 00:22:51,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:22:51,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 15 states and 31 transitions. [2023-12-03 00:22:51,420 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 31 transitions. [2023-12-03 00:22:51,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 00:22:51,421 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:22:51,421 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:22:51,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:22:51,422 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:22:51,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-03 00:22:54,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:22:54,415 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:22:55,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:22:55,910 INFO L262 TraceCheckSpWp]: Trace formula consists of 6003 conjuncts, 143 conjunts are in the unsatisfiable core [2023-12-03 00:22:55,941 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:22:57,231 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:22:57,270 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-03 00:23:37,798 WARN L293 SmtUtils]: Spent 38.04s on a formula simplification. DAG size of input: 193 DAG size of output: 192 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 00:23:46,584 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 00:24:00,262 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 00:24:10,285 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 00:24:20,306 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 00:24:31,032 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 00:24:39,886 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.79s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 00:24:41,917 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 00:24:41,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:24:41,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 16 states and 35 transitions. [2023-12-03 00:24:41,956 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 35 transitions. [2023-12-03 00:24:41,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 00:24:41,957 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:24:41,957 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:24:41,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:24:41,958 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:24:41,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-03 00:24:45,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:24:45,054 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:24:46,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:24:46,397 INFO L262 TraceCheckSpWp]: Trace formula consists of 6003 conjuncts, 143 conjunts are in the unsatisfiable core [2023-12-03 00:24:46,422 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:24:47,745 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:24:47,779 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-03 00:24:47,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:24:47,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 16 states and 35 transitions. [2023-12-03 00:24:47,816 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 35 transitions. [2023-12-03 00:24:47,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 00:24:47,817 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:24:47,817 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:24:47,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:24:47,818 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:24:47,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-03 00:24:50,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:24:50,712 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:24:52,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:24:52,124 INFO L262 TraceCheckSpWp]: Trace formula consists of 6003 conjuncts, 143 conjunts are in the unsatisfiable core [2023-12-03 00:24:52,148 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:24:53,361 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:24:53,395 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-03 00:24:53,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:24:53,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 16 states and 35 transitions. [2023-12-03 00:24:53,461 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 35 transitions. [2023-12-03 00:24:53,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 00:24:53,461 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:24:53,461 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:24:53,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:24:53,462 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:24:53,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-03 00:24:56,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:24:56,494 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:24:57,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:24:57,906 INFO L262 TraceCheckSpWp]: Trace formula consists of 6003 conjuncts, 143 conjunts are in the unsatisfiable core [2023-12-03 00:24:57,932 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:24:59,209 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:24:59,244 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-03 00:24:59,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:24:59,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 16 states and 35 transitions. [2023-12-03 00:24:59,279 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 35 transitions. [2023-12-03 00:24:59,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 00:24:59,279 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:24:59,280 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:24:59,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:24:59,281 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:24:59,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-03 00:25:02,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:25:02,326 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:25:03,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:25:03,781 INFO L262 TraceCheckSpWp]: Trace formula consists of 6003 conjuncts, 143 conjunts are in the unsatisfiable core [2023-12-03 00:25:03,811 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:25:05,103 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:25:05,138 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-12-03 00:25:05,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:25:05,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 16 states and 35 transitions. [2023-12-03 00:25:05,172 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 35 transitions. [2023-12-03 00:25:05,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 00:25:05,173 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:25:05,173 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:25:05,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:25:05,174 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:25:05,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-03 00:25:08,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:25:08,321 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:25:09,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:25:09,748 INFO L262 TraceCheckSpWp]: Trace formula consists of 6003 conjuncts, 143 conjunts are in the unsatisfiable core [2023-12-03 00:25:09,766 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:25:11,010 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:25:11,043 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2023-12-03 00:25:11,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:25:11,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 16 states and 35 transitions. [2023-12-03 00:25:11,076 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 35 transitions. [2023-12-03 00:25:11,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 00:25:11,076 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:25:11,076 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:25:11,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:25:11,077 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:25:11,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-03 00:25:14,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:25:14,290 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:25:15,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:25:15,848 INFO L262 TraceCheckSpWp]: Trace formula consists of 6003 conjuncts, 143 conjunts are in the unsatisfiable core [2023-12-03 00:25:15,869 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:25:17,189 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:25:17,224 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2023-12-03 00:25:17,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:25:17,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 16 states and 35 transitions. [2023-12-03 00:25:17,258 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 35 transitions. [2023-12-03 00:25:17,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 00:25:17,259 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:25:17,259 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:25:17,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:25:17,260 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:25:17,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-03 00:25:20,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:25:20,376 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:25:21,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:25:21,786 INFO L262 TraceCheckSpWp]: Trace formula consists of 6003 conjuncts, 143 conjunts are in the unsatisfiable core [2023-12-03 00:25:21,805 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:25:23,149 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:25:23,183 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2023-12-03 00:25:23,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:25:23,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 16 states and 35 transitions. [2023-12-03 00:25:23,214 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 35 transitions. [2023-12-03 00:25:23,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 00:25:23,214 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:25:23,215 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:25:23,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:25:23,215 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:25:23,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-12-03 00:25:26,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:25:26,366 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:25:27,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:25:27,833 INFO L262 TraceCheckSpWp]: Trace formula consists of 6003 conjuncts, 143 conjunts are in the unsatisfiable core [2023-12-03 00:25:27,853 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:25:29,032 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:25:29,069 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2023-12-03 00:25:29,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:25:29,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 16 states and 35 transitions. [2023-12-03 00:25:29,101 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 35 transitions. [2023-12-03 00:25:29,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 00:25:29,101 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:25:29,101 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:25:29,102 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:25:29,102 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:25:29,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-12-03 00:25:32,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:25:32,311 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:25:33,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:25:33,737 INFO L262 TraceCheckSpWp]: Trace formula consists of 6003 conjuncts, 143 conjunts are in the unsatisfiable core [2023-12-03 00:25:33,763 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:25:34,961 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:25:35,000 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2023-12-03 00:25:35,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:25:35,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 16 states and 35 transitions. [2023-12-03 00:25:35,034 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 35 transitions. [2023-12-03 00:25:35,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 00:25:35,035 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:25:35,035 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:25:35,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:25:35,036 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:25:35,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-12-03 00:25:38,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:25:38,186 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:25:39,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:25:39,643 INFO L262 TraceCheckSpWp]: Trace formula consists of 6003 conjuncts, 143 conjunts are in the unsatisfiable core [2023-12-03 00:25:39,658 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:25:40,856 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:25:40,894 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2023-12-03 00:25:40,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:25:40,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 16 states and 35 transitions. [2023-12-03 00:25:40,928 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 35 transitions. [2023-12-03 00:25:40,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 00:25:40,929 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:25:40,929 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:25:40,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:25:40,930 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:25:40,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2023-12-03 00:25:44,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:25:44,093 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:25:45,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:25:45,466 INFO L262 TraceCheckSpWp]: Trace formula consists of 6003 conjuncts, 143 conjunts are in the unsatisfiable core [2023-12-03 00:25:45,478 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:25:46,694 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:25:46,730 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2023-12-03 00:25:46,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:25:46,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 16 states and 35 transitions. [2023-12-03 00:25:46,789 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 35 transitions. [2023-12-03 00:25:46,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 00:25:46,790 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:25:46,790 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:25:46,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:25:46,791 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:25:46,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2023-12-03 00:25:49,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:25:49,979 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:25:51,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:25:51,398 INFO L262 TraceCheckSpWp]: Trace formula consists of 6003 conjuncts, 143 conjunts are in the unsatisfiable core [2023-12-03 00:25:51,410 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:25:52,597 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:25:52,634 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2023-12-03 00:25:52,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:25:52,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 16 states and 35 transitions. [2023-12-03 00:25:52,664 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 35 transitions. [2023-12-03 00:25:52,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 00:25:52,665 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:25:52,665 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:25:52,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:25:52,666 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:25:52,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2023-12-03 00:25:55,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:25:55,764 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:25:57,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:25:57,158 INFO L262 TraceCheckSpWp]: Trace formula consists of 6003 conjuncts, 143 conjunts are in the unsatisfiable core [2023-12-03 00:25:57,170 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:25:58,409 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:25:58,445 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2023-12-03 00:25:58,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:25:58,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 16 states and 35 transitions. [2023-12-03 00:25:58,476 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 35 transitions. [2023-12-03 00:25:58,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 00:25:58,476 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:25:58,476 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:25:58,476 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:25:58,477 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:25:58,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2023-12-03 00:26:01,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:01,838 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:26:03,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:03,273 INFO L262 TraceCheckSpWp]: Trace formula consists of 6003 conjuncts, 143 conjunts are in the unsatisfiable core [2023-12-03 00:26:03,286 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:26:04,516 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:26:04,553 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2023-12-03 00:26:04,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:26:04,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 16 states and 35 transitions. [2023-12-03 00:26:04,586 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 35 transitions. [2023-12-03 00:26:04,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 00:26:04,586 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:26:04,587 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:26:04,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:26:04,587 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:26:04,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2023-12-03 00:26:07,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:07,866 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:26:09,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:09,271 INFO L262 TraceCheckSpWp]: Trace formula consists of 6003 conjuncts, 143 conjunts are in the unsatisfiable core [2023-12-03 00:26:09,283 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:26:10,480 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:26:10,520 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2023-12-03 00:26:10,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:26:10,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 16 states and 35 transitions. [2023-12-03 00:26:10,556 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 35 transitions. [2023-12-03 00:26:10,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 00:26:10,556 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:26:10,556 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:26:10,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:26:10,557 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:26:10,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2023-12-03 00:26:13,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:13,772 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:26:15,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:15,196 INFO L262 TraceCheckSpWp]: Trace formula consists of 6003 conjuncts, 143 conjunts are in the unsatisfiable core [2023-12-03 00:26:15,209 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:26:16,390 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:26:16,429 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2023-12-03 00:26:16,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:26:16,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 16 states and 35 transitions. [2023-12-03 00:26:16,464 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 35 transitions. [2023-12-03 00:26:16,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 00:26:16,464 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:26:16,464 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:26:16,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:26:16,465 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:26:16,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2023-12-03 00:26:19,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:19,706 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:26:21,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:21,183 INFO L262 TraceCheckSpWp]: Trace formula consists of 6003 conjuncts, 143 conjunts are in the unsatisfiable core [2023-12-03 00:26:21,195 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:26:22,380 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:26:22,420 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2023-12-03 00:26:22,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:26:22,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 16 states and 35 transitions. [2023-12-03 00:26:22,452 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 35 transitions. [2023-12-03 00:26:22,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 00:26:22,453 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:26:22,453 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:26:22,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:26:22,454 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:26:22,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2023-12-03 00:26:25,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:25,855 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:26:27,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:27,267 INFO L262 TraceCheckSpWp]: Trace formula consists of 6003 conjuncts, 143 conjunts are in the unsatisfiable core [2023-12-03 00:26:27,279 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:26:28,415 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:26:28,454 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2023-12-03 00:26:28,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:26:28,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 16 states and 35 transitions. [2023-12-03 00:26:28,483 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 35 transitions. [2023-12-03 00:26:28,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 00:26:28,484 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:26:28,484 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:26:28,484 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:26:28,485 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:26:28,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2023-12-03 00:26:31,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:31,941 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:26:33,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:33,289 INFO L262 TraceCheckSpWp]: Trace formula consists of 6003 conjuncts, 143 conjunts are in the unsatisfiable core [2023-12-03 00:26:33,300 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:26:34,443 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:26:34,483 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2023-12-03 00:26:34,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:26:34,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 16 states and 35 transitions. [2023-12-03 00:26:34,513 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 35 transitions. [2023-12-03 00:26:34,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 00:26:34,513 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:26:34,514 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:26:34,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:26:34,514 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:26:34,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2023-12-03 00:26:37,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:37,828 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:26:39,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:39,212 INFO L262 TraceCheckSpWp]: Trace formula consists of 6003 conjuncts, 143 conjunts are in the unsatisfiable core [2023-12-03 00:26:39,224 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:26:40,399 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:26:40,439 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2023-12-03 00:26:40,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:26:40,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 16 states and 35 transitions. [2023-12-03 00:26:40,469 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 35 transitions. [2023-12-03 00:26:40,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 00:26:40,470 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:26:40,470 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:26:40,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:26:40,471 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:26:40,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2023-12-03 00:26:43,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:43,637 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:26:44,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:45,041 INFO L262 TraceCheckSpWp]: Trace formula consists of 6003 conjuncts, 143 conjunts are in the unsatisfiable core [2023-12-03 00:26:45,053 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:26:46,248 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:26:46,287 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2023-12-03 00:26:46,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:26:46,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 16 states and 35 transitions. [2023-12-03 00:26:46,316 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 35 transitions. [2023-12-03 00:26:46,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 00:26:46,316 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:26:46,317 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:26:46,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:26:46,318 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:26:46,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2023-12-03 00:26:49,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:49,621 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:26:50,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:50,984 INFO L262 TraceCheckSpWp]: Trace formula consists of 6003 conjuncts, 143 conjunts are in the unsatisfiable core [2023-12-03 00:26:50,996 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:26:52,258 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:26:52,300 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2023-12-03 00:26:52,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:26:52,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 16 states and 35 transitions. [2023-12-03 00:26:52,335 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 35 transitions. [2023-12-03 00:26:52,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 00:26:52,335 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:26:52,335 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:26:52,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:26:52,336 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:26:52,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2023-12-03 00:26:55,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:55,466 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:26:56,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:56,834 INFO L262 TraceCheckSpWp]: Trace formula consists of 6003 conjuncts, 143 conjunts are in the unsatisfiable core [2023-12-03 00:26:56,846 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:26:58,047 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:26:58,088 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2023-12-03 00:26:58,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:26:58,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 16 states and 35 transitions. [2023-12-03 00:26:58,120 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 35 transitions. [2023-12-03 00:26:58,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 00:26:58,120 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:26:58,120 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:26:58,120 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:26:58,121 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:26:58,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2023-12-03 00:27:01,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:27:01,517 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:27:02,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:27:02,969 INFO L262 TraceCheckSpWp]: Trace formula consists of 6003 conjuncts, 143 conjunts are in the unsatisfiable core [2023-12-03 00:27:03,023 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:27:04,258 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:27:04,298 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Forceful destruction successful, exit code 0 [2023-12-03 00:27:04,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:27:04,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 16 states and 35 transitions. [2023-12-03 00:27:04,331 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 35 transitions. [2023-12-03 00:27:04,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 00:27:04,332 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:27:04,332 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:27:04,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:27:04,333 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:27:04,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2023-12-03 00:27:07,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:27:07,707 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:27:09,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:27:09,163 INFO L262 TraceCheckSpWp]: Trace formula consists of 6003 conjuncts, 143 conjunts are in the unsatisfiable core [2023-12-03 00:27:09,176 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:27:10,338 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:27:10,379 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2023-12-03 00:27:10,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:27:10,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 16 states and 35 transitions. [2023-12-03 00:27:10,408 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 35 transitions. [2023-12-03 00:27:10,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 00:27:10,408 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:27:10,408 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:27:10,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:27:10,409 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:27:10,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2023-12-03 00:27:13,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:27:13,754 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:27:15,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:27:15,278 INFO L262 TraceCheckSpWp]: Trace formula consists of 6003 conjuncts, 143 conjunts are in the unsatisfiable core [2023-12-03 00:27:15,289 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:27:16,455 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:27:16,496 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2023-12-03 00:27:16,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:27:16,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 16 states and 35 transitions. [2023-12-03 00:27:16,526 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 35 transitions. [2023-12-03 00:27:16,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 00:27:16,526 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:27:16,527 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:27:16,527 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:27:16,528 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:27:16,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2023-12-03 00:27:19,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:27:19,870 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:27:21,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:27:21,304 INFO L262 TraceCheckSpWp]: Trace formula consists of 6003 conjuncts, 143 conjunts are in the unsatisfiable core [2023-12-03 00:27:21,316 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:27:22,500 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:27:22,544 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2023-12-03 00:27:22,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:27:22,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 16 states and 35 transitions. [2023-12-03 00:27:22,577 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 35 transitions. [2023-12-03 00:27:22,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 00:27:22,577 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:27:22,577 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:27:22,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:27:22,578 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:27:22,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2023-12-03 00:27:25,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:27:25,872 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:27:27,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:27:27,318 INFO L262 TraceCheckSpWp]: Trace formula consists of 6003 conjuncts, 143 conjunts are in the unsatisfiable core [2023-12-03 00:27:27,329 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:27:28,541 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:27:28,582 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2023-12-03 00:27:28,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:27:28,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 16 states and 35 transitions. [2023-12-03 00:27:28,612 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 35 transitions. [2023-12-03 00:27:28,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 00:27:28,612 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:27:28,612 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:27:28,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:27:28,613 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:27:28,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2023-12-03 00:27:31,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:27:31,944 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:27:33,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:27:33,359 INFO L262 TraceCheckSpWp]: Trace formula consists of 6003 conjuncts, 143 conjunts are in the unsatisfiable core [2023-12-03 00:27:33,371 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:27:34,555 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:27:34,598 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2023-12-03 00:27:34,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:27:34,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 16 states and 35 transitions. [2023-12-03 00:27:34,630 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 35 transitions. [2023-12-03 00:27:34,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 00:27:34,631 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:27:34,631 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:27:34,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:27:34,632 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:27:34,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2023-12-03 00:27:38,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:27:38,176 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:27:39,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:27:39,550 INFO L262 TraceCheckSpWp]: Trace formula consists of 6003 conjuncts, 143 conjunts are in the unsatisfiable core [2023-12-03 00:27:39,562 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:27:40,780 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:27:40,823 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2023-12-03 00:27:40,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:27:40,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 16 states and 35 transitions. [2023-12-03 00:27:40,854 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 35 transitions. [2023-12-03 00:27:40,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 00:27:40,854 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:27:40,854 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:27:40,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:27:40,855 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:27:40,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2023-12-03 00:27:44,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:27:44,363 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:27:45,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:27:45,779 INFO L262 TraceCheckSpWp]: Trace formula consists of 6003 conjuncts, 143 conjunts are in the unsatisfiable core [2023-12-03 00:27:45,790 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:27:47,035 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:27:47,083 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2023-12-03 00:27:47,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:27:47,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 16 states and 35 transitions. [2023-12-03 00:27:47,114 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 35 transitions. [2023-12-03 00:27:47,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 00:27:47,114 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:27:47,114 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:27:47,114 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:27:47,115 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:27:47,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2023-12-03 00:27:50,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:27:50,602 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:27:52,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:27:52,108 INFO L262 TraceCheckSpWp]: Trace formula consists of 6003 conjuncts, 143 conjunts are in the unsatisfiable core [2023-12-03 00:27:52,119 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:27:53,722 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:27:53,766 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2023-12-03 00:27:53,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:27:53,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 16 states and 35 transitions. [2023-12-03 00:27:53,793 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 35 transitions. [2023-12-03 00:27:53,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 00:27:53,794 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:27:53,794 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:27:53,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:27:53,795 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:27:53,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2023-12-03 00:27:57,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:27:57,326 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:27:58,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:27:58,845 INFO L262 TraceCheckSpWp]: Trace formula consists of 6003 conjuncts, 143 conjunts are in the unsatisfiable core [2023-12-03 00:27:58,856 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:28:00,030 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:28:00,074 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2023-12-03 00:28:00,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:28:00,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 16 states and 35 transitions. [2023-12-03 00:28:00,107 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 35 transitions. [2023-12-03 00:28:00,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 00:28:00,108 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:28:00,108 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:28:00,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:28:00,109 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:28:00,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2023-12-03 00:28:03,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:28:03,591 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:28:04,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:28:05,035 INFO L262 TraceCheckSpWp]: Trace formula consists of 6003 conjuncts, 143 conjunts are in the unsatisfiable core [2023-12-03 00:28:05,047 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:28:06,423 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:28:06,467 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Forceful destruction successful, exit code 0 [2023-12-03 00:28:06,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:28:06,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 16 states and 35 transitions. [2023-12-03 00:28:06,495 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 35 transitions. [2023-12-03 00:28:06,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 00:28:06,495 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:28:06,495 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:28:06,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:28:06,496 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:28:06,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2023-12-03 00:28:10,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:28:10,134 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:28:11,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:28:11,464 INFO L262 TraceCheckSpWp]: Trace formula consists of 6003 conjuncts, 143 conjunts are in the unsatisfiable core [2023-12-03 00:28:11,475 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:28:12,663 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:28:12,707 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2023-12-03 00:28:12,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:28:12,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 16 states and 35 transitions. [2023-12-03 00:28:12,734 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 35 transitions. [2023-12-03 00:28:12,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 00:28:12,735 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:28:12,735 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:28:12,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:28:12,736 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:28:12,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2023-12-03 00:28:16,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:28:16,489 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:28:17,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:28:17,951 INFO L262 TraceCheckSpWp]: Trace formula consists of 6003 conjuncts, 143 conjunts are in the unsatisfiable core [2023-12-03 00:28:17,961 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:28:19,148 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:28:19,192 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2023-12-03 00:28:19,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:28:19,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 16 states and 35 transitions. [2023-12-03 00:28:19,222 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 35 transitions. [2023-12-03 00:28:19,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 00:28:19,222 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:28:19,222 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:28:19,222 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:28:19,223 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:28:19,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2023-12-03 00:28:22,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:28:22,712 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:28:23,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:28:24,085 INFO L262 TraceCheckSpWp]: Trace formula consists of 6003 conjuncts, 143 conjunts are in the unsatisfiable core [2023-12-03 00:28:24,096 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:28:25,289 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:28:25,337 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2023-12-03 00:28:25,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:28:25,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 16 states and 35 transitions. [2023-12-03 00:28:25,369 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 35 transitions. [2023-12-03 00:28:25,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 00:28:25,369 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:28:25,369 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:28:25,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:28:25,370 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:28:25,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2023-12-03 00:28:28,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:28:28,955 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:28:30,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:28:30,385 INFO L262 TraceCheckSpWp]: Trace formula consists of 6003 conjuncts, 143 conjunts are in the unsatisfiable core [2023-12-03 00:28:30,396 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:28:31,668 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:28:31,713 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2023-12-03 00:28:31,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:28:31,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 16 states and 35 transitions. [2023-12-03 00:28:31,748 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 35 transitions. [2023-12-03 00:28:31,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 00:28:31,748 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:28:31,748 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:28:31,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:28:31,749 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:28:31,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2023-12-03 00:28:35,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:28:35,216 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:28:36,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:28:36,653 INFO L262 TraceCheckSpWp]: Trace formula consists of 6003 conjuncts, 143 conjunts are in the unsatisfiable core [2023-12-03 00:28:36,664 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:28:37,936 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:28:37,985 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Forceful destruction successful, exit code 0 [2023-12-03 00:28:38,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:28:38,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 16 states and 35 transitions. [2023-12-03 00:28:38,014 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 35 transitions. [2023-12-03 00:28:38,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 00:28:38,014 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:28:38,014 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:28:38,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:28:38,015 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:28:38,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2023-12-03 00:28:41,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:28:41,749 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:28:43,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:28:43,246 INFO L262 TraceCheckSpWp]: Trace formula consists of 6003 conjuncts, 143 conjunts are in the unsatisfiable core [2023-12-03 00:28:43,257 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:28:44,407 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:28:44,453 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2023-12-03 00:28:44,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:28:44,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 16 states and 35 transitions. [2023-12-03 00:28:44,482 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 35 transitions. [2023-12-03 00:28:44,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 00:28:44,482 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:28:44,483 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:28:44,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:28:44,483 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:28:44,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2023-12-03 00:28:48,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:28:48,188 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:28:49,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:28:49,675 INFO L262 TraceCheckSpWp]: Trace formula consists of 6003 conjuncts, 143 conjunts are in the unsatisfiable core [2023-12-03 00:28:49,690 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:28:50,869 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:28:50,915 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2023-12-03 00:28:50,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:28:50,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 16 states and 35 transitions. [2023-12-03 00:28:50,943 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 35 transitions. [2023-12-03 00:28:50,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 00:28:50,943 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:28:50,943 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:28:50,943 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:28:50,944 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:28:50,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2023-12-03 00:28:54,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:28:54,712 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:28:56,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:28:56,102 INFO L262 TraceCheckSpWp]: Trace formula consists of 6003 conjuncts, 143 conjunts are in the unsatisfiable core [2023-12-03 00:28:56,113 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:28:57,246 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:28:57,293 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2023-12-03 00:28:57,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:28:57,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 16 states and 35 transitions. [2023-12-03 00:28:57,326 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 35 transitions. [2023-12-03 00:28:57,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 00:28:57,326 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:28:57,327 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:28:57,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:28:57,327 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:28:57,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2023-12-03 00:29:01,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:29:01,241 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:29:02,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:29:02,668 INFO L262 TraceCheckSpWp]: Trace formula consists of 6003 conjuncts, 143 conjunts are in the unsatisfiable core [2023-12-03 00:29:02,679 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:29:03,834 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:29:03,881 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2023-12-03 00:29:03,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:29:03,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 16 states and 35 transitions. [2023-12-03 00:29:03,911 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 35 transitions. [2023-12-03 00:29:03,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 00:29:03,911 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:29:03,911 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:29:03,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:29:03,912 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:29:03,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2023-12-03 00:29:07,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:29:07,674 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:29:09,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:29:09,181 INFO L262 TraceCheckSpWp]: Trace formula consists of 6003 conjuncts, 143 conjunts are in the unsatisfiable core [2023-12-03 00:29:09,191 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:29:10,361 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:29:10,410 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2023-12-03 00:29:10,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:29:10,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 16 states and 35 transitions. [2023-12-03 00:29:10,452 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 35 transitions. [2023-12-03 00:29:10,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 00:29:10,453 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:29:10,453 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:29:10,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:29:10,454 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:29:10,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2023-12-03 00:29:14,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:29:14,252 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:29:15,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:29:15,678 INFO L262 TraceCheckSpWp]: Trace formula consists of 6003 conjuncts, 143 conjunts are in the unsatisfiable core [2023-12-03 00:29:15,689 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:29:16,877 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:29:16,930 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2023-12-03 00:29:16,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:29:16,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 16 states and 35 transitions. [2023-12-03 00:29:16,961 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 35 transitions. [2023-12-03 00:29:16,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 00:29:16,961 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:29:16,961 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:29:16,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:29:16,962 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:29:16,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2023-12-03 00:29:20,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:29:20,740 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:29:22,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:29:22,158 INFO L262 TraceCheckSpWp]: Trace formula consists of 6003 conjuncts, 143 conjunts are in the unsatisfiable core [2023-12-03 00:29:22,169 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:29:23,368 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:29:23,416 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2023-12-03 00:29:23,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:29:23,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 16 states and 35 transitions. [2023-12-03 00:29:23,449 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 35 transitions. [2023-12-03 00:29:23,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 00:29:23,449 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:29:23,449 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:29:23,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:29:23,450 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:29:23,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2023-12-03 00:29:27,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:29:27,462 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:29:28,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:29:29,030 INFO L262 TraceCheckSpWp]: Trace formula consists of 6003 conjuncts, 143 conjunts are in the unsatisfiable core [2023-12-03 00:29:29,040 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:29:30,142 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:29:30,191 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Ended with exit code 0 [2023-12-03 00:29:30,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:29:30,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 16 states and 35 transitions. [2023-12-03 00:29:30,225 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 35 transitions. [2023-12-03 00:29:30,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 00:29:30,225 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:29:30,225 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:29:30,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:29:30,226 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:29:30,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2023-12-03 00:29:34,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:29:34,117 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:29:35,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:29:35,459 INFO L262 TraceCheckSpWp]: Trace formula consists of 6003 conjuncts, 143 conjunts are in the unsatisfiable core [2023-12-03 00:29:35,470 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:29:36,785 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:29:36,834 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Forceful destruction successful, exit code 0 [2023-12-03 00:29:36,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:29:36,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 16 states and 35 transitions. [2023-12-03 00:29:36,883 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 35 transitions. [2023-12-03 00:29:36,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 00:29:36,883 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:29:36,884 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:29:36,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:29:36,885 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:29:36,885 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2023-12-03 00:29:40,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:29:40,826 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:29:42,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:29:42,327 INFO L262 TraceCheckSpWp]: Trace formula consists of 6003 conjuncts, 143 conjunts are in the unsatisfiable core [2023-12-03 00:29:42,338 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:29:43,493 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:29:43,542 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Ended with exit code 0 [2023-12-03 00:29:43,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:29:43,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 16 states and 35 transitions. [2023-12-03 00:29:43,572 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 35 transitions. [2023-12-03 00:29:43,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 00:29:43,572 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:29:43,572 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:29:43,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:29:43,573 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:29:43,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2023-12-03 00:29:47,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:29:47,395 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:29:48,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:29:48,819 INFO L262 TraceCheckSpWp]: Trace formula consists of 6003 conjuncts, 143 conjunts are in the unsatisfiable core [2023-12-03 00:29:48,830 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:29:50,030 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:29:50,080 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Forceful destruction successful, exit code 0 [2023-12-03 00:29:50,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:29:50,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 16 states and 35 transitions. [2023-12-03 00:29:50,111 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 35 transitions. [2023-12-03 00:29:50,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 00:29:50,112 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:29:50,112 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:29:50,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:29:50,113 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:29:50,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2023-12-03 00:29:53,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:29:53,994 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:29:55,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:29:55,421 INFO L262 TraceCheckSpWp]: Trace formula consists of 6003 conjuncts, 143 conjunts are in the unsatisfiable core [2023-12-03 00:29:55,431 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:29:56,602 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:29:56,651 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Ended with exit code 0 [2023-12-03 00:29:56,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:29:56,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 16 states and 35 transitions. [2023-12-03 00:29:56,681 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 35 transitions. [2023-12-03 00:29:56,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 00:29:56,681 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:29:56,681 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:29:56,682 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:29:56,682 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:29:56,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2023-12-03 00:30:00,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:30:00,509 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:30:01,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:30:01,964 INFO L262 TraceCheckSpWp]: Trace formula consists of 6003 conjuncts, 143 conjunts are in the unsatisfiable core [2023-12-03 00:30:01,975 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:30:03,182 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:30:03,232 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Ended with exit code 0 [2023-12-03 00:30:03,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:30:03,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 16 states and 35 transitions. [2023-12-03 00:30:03,262 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 35 transitions. [2023-12-03 00:30:03,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 00:30:03,262 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:30:03,262 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:30:03,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:30:03,263 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:30:03,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2023-12-03 00:30:07,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:30:07,366 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:30:08,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:30:08,798 INFO L262 TraceCheckSpWp]: Trace formula consists of 6003 conjuncts, 143 conjunts are in the unsatisfiable core [2023-12-03 00:30:08,809 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:30:09,989 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:30:10,039 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Ended with exit code 0 [2023-12-03 00:30:10,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:30:10,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 16 states and 35 transitions. [2023-12-03 00:30:10,070 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 35 transitions. [2023-12-03 00:30:10,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 00:30:10,070 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:30:10,070 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:30:10,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:30:10,071 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:30:10,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2023-12-03 00:30:14,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:30:14,807 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:30:16,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:30:16,458 INFO L262 TraceCheckSpWp]: Trace formula consists of 6003 conjuncts, 143 conjunts are in the unsatisfiable core [2023-12-03 00:30:16,470 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:30:17,622 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:30:17,673 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Ended with exit code 0 [2023-12-03 00:30:17,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:30:17,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 16 states and 35 transitions. [2023-12-03 00:30:17,703 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 35 transitions. [2023-12-03 00:30:17,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 00:30:17,704 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:30:17,704 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:30:17,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:30:17,705 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:30:17,705 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (60)] Waiting until timeout for monitored process [2023-12-03 00:30:21,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:30:21,479 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:30:22,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:30:22,905 INFO L262 TraceCheckSpWp]: Trace formula consists of 6003 conjuncts, 143 conjunts are in the unsatisfiable core [2023-12-03 00:30:22,922 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:30:24,054 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:30:24,105 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (60)] Ended with exit code 0 [2023-12-03 00:30:24,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:30:24,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 16 states and 35 transitions. [2023-12-03 00:30:24,133 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 35 transitions. [2023-12-03 00:30:24,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 00:30:24,133 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:30:24,133 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:30:24,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:30:24,134 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:30:24,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2023-12-03 00:30:27,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:30:27,949 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:30:29,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:30:29,403 INFO L262 TraceCheckSpWp]: Trace formula consists of 6003 conjuncts, 143 conjunts are in the unsatisfiable core [2023-12-03 00:30:29,414 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:30:30,602 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:30:30,656 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (61)] Ended with exit code 0 [2023-12-03 00:30:30,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:30:30,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 16 states and 35 transitions. [2023-12-03 00:30:30,688 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 35 transitions. [2023-12-03 00:30:30,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 00:30:30,688 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:30:30,688 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:30:30,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:30:30,689 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:30:30,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (62)] Waiting until timeout for monitored process [2023-12-03 00:30:34,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:30:34,755 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:30:36,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:30:36,130 INFO L262 TraceCheckSpWp]: Trace formula consists of 6003 conjuncts, 143 conjunts are in the unsatisfiable core [2023-12-03 00:30:36,141 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:30:37,465 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:30:37,504 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (62)] Forceful destruction successful, exit code 0 [2023-12-03 00:30:37,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:30:37,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 16 states and 35 transitions. [2023-12-03 00:30:37,532 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 35 transitions. [2023-12-03 00:30:37,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 00:30:37,533 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:30:37,533 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:30:37,533 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:30:37,534 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:30:37,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (63)] Waiting until timeout for monitored process [2023-12-03 00:30:41,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:30:41,548 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:30:42,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:30:42,966 INFO L262 TraceCheckSpWp]: Trace formula consists of 6003 conjuncts, 143 conjunts are in the unsatisfiable core [2023-12-03 00:30:42,978 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:30:44,221 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:30:44,263 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (63)] Forceful destruction successful, exit code 0 [2023-12-03 00:30:44,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:30:44,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 16 states and 35 transitions. [2023-12-03 00:30:44,294 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 35 transitions. [2023-12-03 00:30:44,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 00:30:44,295 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:30:44,295 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:30:44,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:30:44,296 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:30:44,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (64)] Waiting until timeout for monitored process [2023-12-03 00:30:48,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:30:48,162 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:30:49,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:30:49,658 INFO L262 TraceCheckSpWp]: Trace formula consists of 6003 conjuncts, 143 conjunts are in the unsatisfiable core [2023-12-03 00:30:49,669 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:30:50,863 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:30:50,902 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (64)] Ended with exit code 0 [2023-12-03 00:30:50,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:30:50,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 16 states and 35 transitions. [2023-12-03 00:30:50,937 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 35 transitions. [2023-12-03 00:30:50,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 00:30:50,937 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:30:50,937 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:30:50,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:30:50,938 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:30:50,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (65)] Waiting until timeout for monitored process [2023-12-03 00:30:54,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:30:54,962 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:30:56,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:30:56,375 INFO L262 TraceCheckSpWp]: Trace formula consists of 6003 conjuncts, 143 conjunts are in the unsatisfiable core [2023-12-03 00:30:56,386 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:30:57,551 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:30:57,590 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (65)] Ended with exit code 0 [2023-12-03 00:30:57,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:30:57,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 16 states and 35 transitions. [2023-12-03 00:30:57,620 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 35 transitions. [2023-12-03 00:30:57,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 00:30:57,621 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:30:57,621 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:30:57,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:30:57,622 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:30:57,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (66)] Waiting until timeout for monitored process [2023-12-03 00:31:01,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:31:01,689 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:31:03,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:31:03,147 INFO L262 TraceCheckSpWp]: Trace formula consists of 6003 conjuncts, 143 conjunts are in the unsatisfiable core [2023-12-03 00:31:03,158 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:31:04,294 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:31:04,334 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (66)] Ended with exit code 0 [2023-12-03 00:31:04,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:31:04,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 16 states and 35 transitions. [2023-12-03 00:31:04,362 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 35 transitions. [2023-12-03 00:31:04,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 00:31:04,363 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:31:04,363 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:31:04,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:31:04,363 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:31:04,364 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (67)] Waiting until timeout for monitored process [2023-12-03 00:31:08,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:31:08,287 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:31:09,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:31:09,697 INFO L262 TraceCheckSpWp]: Trace formula consists of 6003 conjuncts, 143 conjunts are in the unsatisfiable core [2023-12-03 00:31:09,708 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:31:10,820 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:31:10,861 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (67)] Ended with exit code 0 [2023-12-03 00:31:10,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:31:10,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 16 states and 35 transitions. [2023-12-03 00:31:10,911 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 35 transitions. [2023-12-03 00:31:10,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 00:31:10,912 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:31:10,912 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:31:10,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:31:10,913 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:31:10,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (68)] Waiting until timeout for monitored process [2023-12-03 00:31:15,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:31:15,011 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:31:16,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:31:16,408 INFO L262 TraceCheckSpWp]: Trace formula consists of 6003 conjuncts, 143 conjunts are in the unsatisfiable core [2023-12-03 00:31:16,419 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:31:17,625 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:31:17,663 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (68)] Ended with exit code 0 [2023-12-03 00:31:17,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:31:17,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 16 states and 35 transitions. [2023-12-03 00:31:17,693 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 35 transitions. [2023-12-03 00:31:17,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 00:31:17,694 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:31:17,694 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:31:17,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:31:17,695 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:31:17,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (69)] Waiting until timeout for monitored process [2023-12-03 00:31:21,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:31:21,745 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:31:23,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:31:23,232 INFO L262 TraceCheckSpWp]: Trace formula consists of 6003 conjuncts, 143 conjunts are in the unsatisfiable core [2023-12-03 00:31:23,243 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:31:24,447 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:31:24,486 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (69)] Forceful destruction successful, exit code 0 [2023-12-03 00:31:24,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:31:24,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 16 states and 35 transitions. [2023-12-03 00:31:24,515 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 35 transitions. [2023-12-03 00:31:24,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 00:31:24,515 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:31:24,515 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:31:24,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:31:24,516 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:31:24,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (70)] Waiting until timeout for monitored process [2023-12-03 00:31:28,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:31:28,594 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:31:29,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:31:29,971 INFO L262 TraceCheckSpWp]: Trace formula consists of 6003 conjuncts, 143 conjunts are in the unsatisfiable core [2023-12-03 00:31:29,982 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:31:31,195 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:31:31,235 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (70)] Ended with exit code 0 [2023-12-03 00:31:31,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:31:31,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 16 states and 35 transitions. [2023-12-03 00:31:31,266 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 35 transitions. [2023-12-03 00:31:31,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 00:31:31,266 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:31:31,266 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:31:31,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:31:31,267 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:31:31,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (71)] Waiting until timeout for monitored process [2023-12-03 00:31:35,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:31:35,182 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:31:36,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:31:36,682 INFO L262 TraceCheckSpWp]: Trace formula consists of 6003 conjuncts, 143 conjunts are in the unsatisfiable core [2023-12-03 00:31:36,693 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:31:37,853 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:31:37,891 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (71)] Ended with exit code 0 [2023-12-03 00:31:37,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:31:37,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 16 states and 35 transitions. [2023-12-03 00:31:37,921 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 35 transitions. [2023-12-03 00:31:37,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 00:31:37,922 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:31:37,922 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:31:37,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:31:37,923 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:31:37,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (72)] Waiting until timeout for monitored process [2023-12-03 00:31:42,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:31:42,016 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:31:43,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:31:43,472 INFO L262 TraceCheckSpWp]: Trace formula consists of 6003 conjuncts, 143 conjunts are in the unsatisfiable core [2023-12-03 00:31:43,483 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:31:44,642 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:31:44,682 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (72)] Ended with exit code 0 [2023-12-03 00:31:44,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:31:44,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 16 states and 35 transitions. [2023-12-03 00:31:44,713 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 35 transitions. [2023-12-03 00:31:44,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 00:31:44,713 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:31:44,713 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:31:44,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:31:44,714 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:31:44,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (73)] Waiting until timeout for monitored process [2023-12-03 00:31:48,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:31:49,001 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:31:50,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:31:50,428 INFO L262 TraceCheckSpWp]: Trace formula consists of 6003 conjuncts, 143 conjunts are in the unsatisfiable core [2023-12-03 00:31:50,439 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:31:51,557 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:31:51,599 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (73)] Ended with exit code 0 [2023-12-03 00:31:51,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:31:51,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 16 states and 35 transitions. [2023-12-03 00:31:51,630 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 35 transitions. [2023-12-03 00:31:51,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 00:31:51,630 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:31:51,630 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:31:51,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:31:51,631 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:31:51,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (74)] Waiting until timeout for monitored process [2023-12-03 00:31:55,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:31:55,762 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:31:57,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:31:57,200 INFO L262 TraceCheckSpWp]: Trace formula consists of 6003 conjuncts, 143 conjunts are in the unsatisfiable core [2023-12-03 00:31:57,211 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:31:58,361 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:31:58,402 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (74)] Ended with exit code 0 [2023-12-03 00:31:58,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:31:58,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 16 states and 35 transitions. [2023-12-03 00:31:58,433 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 35 transitions. [2023-12-03 00:31:58,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 00:31:58,433 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:31:58,433 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:31:58,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:31:58,434 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:31:58,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (75)] Waiting until timeout for monitored process [2023-12-03 00:32:02,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:32:02,573 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:32:03,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:32:03,941 INFO L262 TraceCheckSpWp]: Trace formula consists of 6003 conjuncts, 143 conjunts are in the unsatisfiable core [2023-12-03 00:32:03,952 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:32:05,153 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:32:05,195 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (75)] Ended with exit code 0 [2023-12-03 00:32:05,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:32:05,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 16 states and 35 transitions. [2023-12-03 00:32:05,226 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 35 transitions. [2023-12-03 00:32:05,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 00:32:05,227 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:32:05,227 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:32:05,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:32:05,227 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:32:05,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (76)] Waiting until timeout for monitored process [2023-12-03 00:32:09,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:32:09,379 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:32:10,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:32:10,852 INFO L262 TraceCheckSpWp]: Trace formula consists of 6003 conjuncts, 143 conjunts are in the unsatisfiable core [2023-12-03 00:32:10,863 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:32:12,094 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:32:12,135 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (76)] Ended with exit code 0 [2023-12-03 00:32:12,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:32:12,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 16 states and 35 transitions. [2023-12-03 00:32:12,167 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 35 transitions. [2023-12-03 00:32:12,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 00:32:12,167 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:32:12,167 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:32:12,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:32:12,168 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:32:12,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (77)] Waiting until timeout for monitored process [2023-12-03 00:32:16,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:32:16,364 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:32:17,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:32:17,805 INFO L262 TraceCheckSpWp]: Trace formula consists of 6003 conjuncts, 143 conjunts are in the unsatisfiable core [2023-12-03 00:32:17,815 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:32:18,998 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:32:19,042 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (77)] Ended with exit code 0 [2023-12-03 00:32:19,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:32:19,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 16 states and 35 transitions. [2023-12-03 00:32:19,074 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 35 transitions. [2023-12-03 00:32:19,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 00:32:19,074 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:32:19,074 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:32:19,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:32:19,075 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:32:19,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (78)] Waiting until timeout for monitored process [2023-12-03 00:32:23,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:32:23,078 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:32:24,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:32:24,611 INFO L262 TraceCheckSpWp]: Trace formula consists of 6003 conjuncts, 143 conjunts are in the unsatisfiable core [2023-12-03 00:32:24,622 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:32:25,784 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:32:25,826 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (78)] Forceful destruction successful, exit code 0 [2023-12-03 00:32:25,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:32:25,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 16 states and 35 transitions. [2023-12-03 00:32:25,857 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 35 transitions. [2023-12-03 00:32:25,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 00:32:25,857 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:32:25,857 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:32:25,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:32:25,858 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:32:25,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (79)] Waiting until timeout for monitored process [2023-12-03 00:32:29,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:32:29,921 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:32:31,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:32:31,294 INFO L262 TraceCheckSpWp]: Trace formula consists of 6003 conjuncts, 143 conjunts are in the unsatisfiable core [2023-12-03 00:32:31,305 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:32:32,460 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:32:32,505 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (79)] Ended with exit code 0 [2023-12-03 00:32:32,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:32:32,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 16 states and 35 transitions. [2023-12-03 00:32:32,545 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 35 transitions. [2023-12-03 00:32:32,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 00:32:32,545 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:32:32,545 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:32:32,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:32:32,546 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:32:32,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (80)] Waiting until timeout for monitored process [2023-12-03 00:32:36,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:32:36,827 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:32:38,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:32:38,191 INFO L262 TraceCheckSpWp]: Trace formula consists of 6003 conjuncts, 143 conjunts are in the unsatisfiable core [2023-12-03 00:32:38,202 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:32:39,375 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:32:39,419 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (80)] Ended with exit code 0 [2023-12-03 00:32:39,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:32:39,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 16 states and 35 transitions. [2023-12-03 00:32:39,449 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 35 transitions. [2023-12-03 00:32:39,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 00:32:39,450 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:32:39,450 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:32:39,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:32:39,451 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:32:39,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (81)] Waiting until timeout for monitored process [2023-12-03 00:32:43,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:32:43,804 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:32:45,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:32:45,347 INFO L262 TraceCheckSpWp]: Trace formula consists of 6003 conjuncts, 143 conjunts are in the unsatisfiable core [2023-12-03 00:32:45,359 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:32:46,545 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:32:46,591 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (81)] Ended with exit code 0 [2023-12-03 00:32:46,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:32:46,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 16 states and 35 transitions. [2023-12-03 00:32:46,620 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 35 transitions. [2023-12-03 00:32:46,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 00:32:46,620 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:32:46,620 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:32:46,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:32:46,621 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:32:46,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (82)] Waiting until timeout for monitored process [2023-12-03 00:32:51,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:32:51,138 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:32:52,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:32:52,614 INFO L262 TraceCheckSpWp]: Trace formula consists of 6003 conjuncts, 143 conjunts are in the unsatisfiable core [2023-12-03 00:32:52,626 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:32:53,855 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:32:53,899 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (82)] Ended with exit code 0 [2023-12-03 00:32:53,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:32:53,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 16 states and 35 transitions. [2023-12-03 00:32:53,929 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 35 transitions. [2023-12-03 00:32:53,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 00:32:53,929 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:32:53,929 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:32:53,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:32:53,930 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:32:53,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (83)] Waiting until timeout for monitored process [2023-12-03 00:32:58,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:32:58,222 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:32:59,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:32:59,722 INFO L262 TraceCheckSpWp]: Trace formula consists of 6003 conjuncts, 143 conjunts are in the unsatisfiable core [2023-12-03 00:32:59,733 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:33:00,888 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:33:00,932 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (83)] Ended with exit code 0 [2023-12-03 00:33:00,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:33:00,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 16 states and 35 transitions. [2023-12-03 00:33:00,963 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 35 transitions. [2023-12-03 00:33:00,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 00:33:00,963 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:33:00,963 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:33:00,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:33:00,964 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:33:00,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (84)] Waiting until timeout for monitored process [2023-12-03 00:33:05,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:33:05,309 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:33:06,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:33:06,780 INFO L262 TraceCheckSpWp]: Trace formula consists of 6003 conjuncts, 143 conjunts are in the unsatisfiable core [2023-12-03 00:33:06,792 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:33:07,937 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:33:07,981 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (84)] Ended with exit code 0 [2023-12-03 00:33:08,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:33:08,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 16 states and 35 transitions. [2023-12-03 00:33:08,013 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 35 transitions. [2023-12-03 00:33:08,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 00:33:08,013 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:33:08,014 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:33:08,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:33:08,014 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:33:08,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (85)] Waiting until timeout for monitored process [2023-12-03 00:33:12,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:33:12,282 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:33:13,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:33:13,815 INFO L262 TraceCheckSpWp]: Trace formula consists of 6003 conjuncts, 143 conjunts are in the unsatisfiable core [2023-12-03 00:33:13,827 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:33:14,997 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:33:15,042 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (85)] Ended with exit code 0 [2023-12-03 00:33:15,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:33:15,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 16 states and 35 transitions. [2023-12-03 00:33:15,070 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 35 transitions. [2023-12-03 00:33:15,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 00:33:15,070 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:33:15,070 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:33:15,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:33:15,071 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:33:15,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (86)] Waiting until timeout for monitored process [2023-12-03 00:33:19,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:33:19,320 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:33:20,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:33:20,719 INFO L262 TraceCheckSpWp]: Trace formula consists of 6003 conjuncts, 143 conjunts are in the unsatisfiable core [2023-12-03 00:33:20,730 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:33:21,915 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:33:21,959 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (86)] Ended with exit code 0 [2023-12-03 00:33:21,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:33:21,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 16 states and 35 transitions. [2023-12-03 00:33:21,991 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 35 transitions. [2023-12-03 00:33:21,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 00:33:21,991 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:33:21,991 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:33:21,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:33:21,992 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:33:21,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (87)] Waiting until timeout for monitored process [2023-12-03 00:33:26,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:33:26,315 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:33:27,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:33:27,786 INFO L262 TraceCheckSpWp]: Trace formula consists of 6003 conjuncts, 143 conjunts are in the unsatisfiable core [2023-12-03 00:33:27,797 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:33:29,000 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:33:29,045 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (87)] Ended with exit code 0 [2023-12-03 00:33:29,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:33:29,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 16 states and 35 transitions. [2023-12-03 00:33:29,087 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 35 transitions. [2023-12-03 00:33:29,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 00:33:29,088 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:33:29,088 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:33:29,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:33:29,088 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:33:29,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a860fa51-de16-4132-88d1-3d470b5719f6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (88)] Waiting until timeout for monitored process [2023-12-03 00:33:33,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:33:33,619 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported