./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench/ps3-ll.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/ps3-ll.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3 --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 32bit --witnessprinter.graph.data.programhash 8db0248129cbdf684d5c34c8cefe6849dfc0aface1aea6f02e53557e5a736fa9 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:36:40,637 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:36:40,698 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 02:36:40,706 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 02:36:40,709 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 02:36:40,738 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:36:40,739 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:36:40,739 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:36:40,740 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:36:40,740 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:36:40,740 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:36:40,740 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:36:40,740 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 02:36:40,740 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 02:36:40,740 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 02:36:40,741 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:36:40,741 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:36:40,742 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:36:40,742 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:36:40,742 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 02:36:40,742 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:36:40,742 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:36:40,743 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:36:40,743 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:36:40,743 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:36:40,743 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:36:40,743 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:36:40,743 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:36:40,744 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:36:40,744 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:36:40,744 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:36:40,744 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 02:36:40,744 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 02:36:40,744 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3 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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8db0248129cbdf684d5c34c8cefe6849dfc0aface1aea6f02e53557e5a736fa9 [2024-11-25 02:36:41,046 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:36:41,059 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:36:41,065 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:36:41,066 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:36:41,067 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:36:41,068 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/nla-digbench/ps3-ll.c [2024-11-25 02:36:44,140 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/data/9f8fab0ed/e842e956cf5446d6b467d5e1adc3435c/FLAG2b2912635 [2024-11-25 02:36:44,445 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:36:44,449 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/sv-benchmarks/c/nla-digbench/ps3-ll.c [2024-11-25 02:36:44,470 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/data/9f8fab0ed/e842e956cf5446d6b467d5e1adc3435c/FLAG2b2912635 [2024-11-25 02:36:44,719 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/data/9f8fab0ed/e842e956cf5446d6b467d5e1adc3435c [2024-11-25 02:36:44,721 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:36:44,723 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:36:44,724 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:36:44,724 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:36:44,729 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:36:44,730 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:36:44" (1/1) ... [2024-11-25 02:36:44,734 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f77ef2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:36:44, skipping insertion in model container [2024-11-25 02:36:44,734 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:36:44" (1/1) ... [2024-11-25 02:36:44,751 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:36:44,935 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/sv-benchmarks/c/nla-digbench/ps3-ll.c[458,471] [2024-11-25 02:36:44,960 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:36:44,973 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:36:44,986 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/sv-benchmarks/c/nla-digbench/ps3-ll.c[458,471] [2024-11-25 02:36:44,992 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:36:45,008 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:36:45,008 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:36:45 WrapperNode [2024-11-25 02:36:45,009 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:36:45,010 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:36:45,010 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:36:45,010 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:36:45,020 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:36:45" (1/1) ... [2024-11-25 02:36:45,027 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:36:45" (1/1) ... [2024-11-25 02:36:45,045 INFO L138 Inliner]: procedures = 14, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 32 [2024-11-25 02:36:45,046 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:36:45,046 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:36:45,046 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:36:45,046 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:36:45,054 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:36:45" (1/1) ... [2024-11-25 02:36:45,055 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:36:45" (1/1) ... [2024-11-25 02:36:45,056 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:36:45" (1/1) ... [2024-11-25 02:36:45,056 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:36:45" (1/1) ... [2024-11-25 02:36:45,059 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:36:45" (1/1) ... [2024-11-25 02:36:45,059 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:36:45" (1/1) ... [2024-11-25 02:36:45,066 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:36:45" (1/1) ... [2024-11-25 02:36:45,067 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:36:45" (1/1) ... [2024-11-25 02:36:45,068 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:36:45" (1/1) ... [2024-11-25 02:36:45,069 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:36:45,070 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:36:45,074 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:36:45,074 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:36:45,075 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:36:45" (1/1) ... [2024-11-25 02:36:45,087 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:36:45,102 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:36:45,120 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:36:45,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:36:45,161 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 02:36:45,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 02:36:45,162 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:36:45,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:36:45,163 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-25 02:36:45,163 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-25 02:36:45,221 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:36:45,223 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:36:45,364 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-11-25 02:36:45,364 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:36:45,405 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:36:45,405 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-25 02:36:45,405 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:36:45 BoogieIcfgContainer [2024-11-25 02:36:45,405 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:36:45,407 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:36:45,407 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:36:45,418 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:36:45,418 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:36:45" (1/1) ... [2024-11-25 02:36:45,429 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:36:45,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:36:45,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2024-11-25 02:36:45,493 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2024-11-25 02:36:45,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 02:36:45,499 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:36:45,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:36:45,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:36:45,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:36:45,644 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-25 02:36:45,652 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:36:45,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:36:45,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:36:45,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2024-11-25 02:36:45,916 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2024-11-25 02:36:45,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-25 02:36:45,917 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:36:45,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:36:45,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:36:45,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:36:45,987 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 02:36:45,989 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:36:46,084 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:36:46,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:36:46,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 17 states and 24 transitions. [2024-11-25 02:36:46,265 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 24 transitions. [2024-11-25 02:36:46,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-25 02:36:46,269 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:36:46,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:36:46,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:36:46,579 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:36:46,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:36:46,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 18 states and 24 transitions. [2024-11-25 02:36:46,959 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 24 transitions. [2024-11-25 02:36:46,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-25 02:36:46,961 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:36:46,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:36:47,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:36:47,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:36:47,049 INFO L256 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 02:36:47,051 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:36:47,160 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-25 02:36:47,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:36:47,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 20 states and 28 transitions. [2024-11-25 02:36:47,359 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 28 transitions. [2024-11-25 02:36:47,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 02:36:47,359 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:36:47,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:36:47,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:36:47,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:36:47,424 INFO L256 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-25 02:36:47,427 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:36:47,591 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 5 proven. 16 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-25 02:36:47,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:36:47,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2024-11-25 02:36:47,879 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2024-11-25 02:36:47,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:36:47,880 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:36:47,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:36:47,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:36:47,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:36:47,948 INFO L256 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-25 02:36:47,950 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:36:48,092 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 7 proven. 26 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-25 02:36:48,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:36:48,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 24 states and 36 transitions. [2024-11-25 02:36:48,324 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 36 transitions. [2024-11-25 02:36:48,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-25 02:36:48,325 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:36:48,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:36:48,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:36:48,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:36:48,427 INFO L256 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-25 02:36:48,430 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:36:48,565 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 10 proven. 25 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-25 02:36:48,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:36:48,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 26 states and 40 transitions. [2024-11-25 02:36:48,818 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 40 transitions. [2024-11-25 02:36:48,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-25 02:36:48,819 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:36:48,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:36:48,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:36:48,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:36:48,954 INFO L256 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-25 02:36:48,957 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:36:49,109 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 12 proven. 36 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-25 02:36:49,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:36:49,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 28 states and 44 transitions. [2024-11-25 02:36:49,401 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 44 transitions. [2024-11-25 02:36:49,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-25 02:36:49,402 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:36:49,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:36:49,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:36:49,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:36:49,544 INFO L256 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-25 02:36:49,547 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:36:49,899 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 31 proven. 50 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-25 02:36:50,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:36:50,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 48 transitions. [2024-11-25 02:36:50,495 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 48 transitions. [2024-11-25 02:36:50,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-25 02:36:50,499 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:36:50,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:36:50,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:36:50,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:36:50,597 INFO L256 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-11-25 02:36:50,603 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:36:50,773 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 58 proven. 67 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2024-11-25 02:36:51,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:36:51,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 52 transitions. [2024-11-25 02:36:51,156 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 52 transitions. [2024-11-25 02:36:51,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-25 02:36:51,157 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:36:51,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:36:51,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:36:51,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:36:51,357 INFO L256 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-25 02:36:51,364 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:36:51,982 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 41 proven. 82 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-25 02:36:52,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:36:52,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 34 states and 56 transitions. [2024-11-25 02:36:52,767 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 56 transitions. [2024-11-25 02:36:52,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-25 02:36:52,768 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:36:52,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:36:52,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:36:53,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:36:53,198 INFO L256 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 77 conjuncts are in the unsatisfiable core [2024-11-25 02:36:53,205 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:36:53,475 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 65 proven. 127 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-11-25 02:36:53,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:36:53,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-25 02:36:53,893 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-25 02:36:53,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-25 02:36:53,894 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:36:53,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:36:53,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:36:54,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:36:54,677 INFO L256 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-25 02:36:54,679 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:36:55,012 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 51 proven. 122 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-25 02:36:55,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:36:55,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 38 states and 64 transitions. [2024-11-25 02:36:55,579 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 64 transitions. [2024-11-25 02:36:55,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-25 02:36:55,582 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:36:55,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:36:55,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:36:57,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:36:57,099 INFO L256 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 55 conjuncts are in the unsatisfiable core [2024-11-25 02:36:57,101 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:36:57,444 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 66 proven. 183 refuted. 0 times theorem prover too weak. 183 trivial. 0 not checked. [2024-11-25 02:36:58,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:36:58,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 40 states and 68 transitions. [2024-11-25 02:36:58,020 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 68 transitions. [2024-11-25 02:36:58,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-25 02:36:58,021 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:36:58,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:36:58,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:36:59,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:36:59,366 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-25 02:36:59,371 INFO L158 Benchmark]: Toolchain (without parser) took 14647.48ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 119.3MB in the beginning and 396.4MB in the end (delta: -277.1MB). Peak memory consumption was 248.9MB. Max. memory is 16.1GB. [2024-11-25 02:36:59,371 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 142.6MB. Free memory is still 80.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:36:59,371 INFO L158 Benchmark]: CACSL2BoogieTranslator took 285.21ms. Allocated memory is still 142.6MB. Free memory was 119.3MB in the beginning and 108.2MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:36:59,372 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.50ms. Allocated memory is still 142.6MB. Free memory was 108.2MB in the beginning and 107.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:36:59,372 INFO L158 Benchmark]: Boogie Preprocessor took 23.00ms. Allocated memory is still 142.6MB. Free memory was 107.1MB in the beginning and 106.5MB in the end (delta: 557.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:36:59,373 INFO L158 Benchmark]: RCFGBuilder took 335.65ms. Allocated memory is still 142.6MB. Free memory was 106.5MB in the beginning and 95.9MB in the end (delta: 10.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 02:36:59,373 INFO L158 Benchmark]: CodeCheck took 13962.33ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 95.7MB in the beginning and 396.4MB in the end (delta: -300.7MB). Peak memory consumption was 223.8MB. Max. memory is 16.1GB. [2024-11-25 02:36:59,375 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 142.6MB. Free memory is still 80.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 285.21ms. Allocated memory is still 142.6MB. Free memory was 119.3MB in the beginning and 108.2MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.50ms. Allocated memory is still 142.6MB. Free memory was 108.2MB in the beginning and 107.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 23.00ms. Allocated memory is still 142.6MB. Free memory was 107.1MB in the beginning and 106.5MB in the end (delta: 557.9kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 335.65ms. Allocated memory is still 142.6MB. Free memory was 106.5MB in the beginning and 95.9MB in the end (delta: 10.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 13962.33ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 95.7MB in the beginning and 396.4MB in the end (delta: -300.7MB). Peak memory consumption was 223.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-25 02:36:59,394 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/ps3-ll.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3 --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 32bit --witnessprinter.graph.data.programhash 8db0248129cbdf684d5c34c8cefe6849dfc0aface1aea6f02e53557e5a736fa9 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:37:02,187 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:37:02,312 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-25 02:37:02,346 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:37:02,348 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:37:02,349 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:37:02,349 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:37:02,349 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:37:02,350 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:37:02,350 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:37:02,351 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 02:37:02,351 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 02:37:02,351 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:37:02,351 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:37:02,352 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:37:02,352 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:37:02,353 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 02:37:02,353 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 02:37:02,353 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 02:37:02,354 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 02:37:02,354 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:37:02,354 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:37:02,354 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:37:02,354 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:37:02,354 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:37:02,354 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:37:02,354 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 02:37:02,354 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 02:37:02,355 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:37:02,355 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:37:02,355 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:37:02,355 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:37:02,355 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:37:02,355 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 02:37:02,355 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 02:37:02,355 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 02:37:02,355 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3 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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8db0248129cbdf684d5c34c8cefe6849dfc0aface1aea6f02e53557e5a736fa9 [2024-11-25 02:37:02,707 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:37:02,716 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:37:02,719 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:37:02,722 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:37:02,722 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:37:02,724 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/nla-digbench/ps3-ll.c [2024-11-25 02:37:05,743 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/data/a304b6187/64f906e8ded243ff9f7cf9504e19bb1f/FLAG8da9ad585 [2024-11-25 02:37:06,017 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:37:06,018 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/sv-benchmarks/c/nla-digbench/ps3-ll.c [2024-11-25 02:37:06,027 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/data/a304b6187/64f906e8ded243ff9f7cf9504e19bb1f/FLAG8da9ad585 [2024-11-25 02:37:06,048 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/data/a304b6187/64f906e8ded243ff9f7cf9504e19bb1f [2024-11-25 02:37:06,051 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:37:06,056 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:37:06,057 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:37:06,058 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:37:06,063 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:37:06,064 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:37:06" (1/1) ... [2024-11-25 02:37:06,066 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d60562b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:37:06, skipping insertion in model container [2024-11-25 02:37:06,066 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:37:06" (1/1) ... [2024-11-25 02:37:06,082 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:37:06,266 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/sv-benchmarks/c/nla-digbench/ps3-ll.c[458,471] [2024-11-25 02:37:06,289 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:37:06,303 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:37:06,317 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/sv-benchmarks/c/nla-digbench/ps3-ll.c[458,471] [2024-11-25 02:37:06,328 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:37:06,346 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:37:06,346 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:37:06 WrapperNode [2024-11-25 02:37:06,347 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:37:06,348 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:37:06,348 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:37:06,348 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:37:06,361 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:37:06" (1/1) ... [2024-11-25 02:37:06,371 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:37:06" (1/1) ... [2024-11-25 02:37:06,389 INFO L138 Inliner]: procedures = 14, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 31 [2024-11-25 02:37:06,390 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:37:06,391 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:37:06,391 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:37:06,392 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:37:06,400 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:37:06" (1/1) ... [2024-11-25 02:37:06,400 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:37:06" (1/1) ... [2024-11-25 02:37:06,402 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:37:06" (1/1) ... [2024-11-25 02:37:06,402 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:37:06" (1/1) ... [2024-11-25 02:37:06,411 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:37:06" (1/1) ... [2024-11-25 02:37:06,415 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:37:06" (1/1) ... [2024-11-25 02:37:06,418 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:37:06" (1/1) ... [2024-11-25 02:37:06,423 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:37:06" (1/1) ... [2024-11-25 02:37:06,423 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:37:06" (1/1) ... [2024-11-25 02:37:06,425 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:37:06,426 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:37:06,426 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:37:06,426 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:37:06,427 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:37:06" (1/1) ... [2024-11-25 02:37:06,435 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:37:06,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:37:06,468 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:37:06,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:37:06,507 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 02:37:06,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 02:37:06,507 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:37:06,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:37:06,507 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-25 02:37:06,508 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-25 02:37:06,582 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:37:06,584 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:37:06,888 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-11-25 02:37:06,889 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:37:06,919 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:37:06,919 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-25 02:37:06,920 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:37:06 BoogieIcfgContainer [2024-11-25 02:37:06,920 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:37:06,921 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:37:06,921 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:37:06,932 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:37:06,932 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:37:06" (1/1) ... [2024-11-25 02:37:06,941 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:37:06,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:37:07,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2024-11-25 02:37:07,004 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2024-11-25 02:37:07,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 02:37:07,009 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:37:07,010 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:37:07,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:37:07,015 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:37:07,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 02:37:07,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:37:07,121 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:37:07,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:37:07,252 INFO L256 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-25 02:37:07,263 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:37:07,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:37:07,458 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 02:37:08,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:37:08,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2024-11-25 02:37:08,230 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2024-11-25 02:37:08,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-25 02:37:08,231 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:37:08,231 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:37:08,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:37:08,234 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:37:08,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-25 02:37:08,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:37:08,670 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:37:08,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:37:08,836 INFO L256 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:37:08,840 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:37:09,241 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:37:09,248 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-25 02:37:11,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:37:11,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 28 transitions. [2024-11-25 02:37:11,327 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 28 transitions. [2024-11-25 02:37:11,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-25 02:37:11,327 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:37:11,327 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:37:11,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:37:11,329 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:37:11,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-25 02:37:11,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:37:11,370 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:37:11,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:37:11,447 INFO L256 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-25 02:37:11,449 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:37:18,298 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:37:18,300 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-25 02:37:24,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:37:24,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 20 states and 29 transitions. [2024-11-25 02:37:24,160 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 29 transitions. [2024-11-25 02:37:24,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-25 02:37:24,162 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:37:24,162 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:37:24,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:37:24,165 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:37:24,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-25 02:37:24,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:37:24,803 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:37:24,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:37:25,016 INFO L256 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-25 02:37:25,018 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:37:25,627 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 02:37:25,634 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-25 02:37:29,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:37:29,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 22 states and 33 transitions. [2024-11-25 02:37:29,102 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 33 transitions. [2024-11-25 02:37:29,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 02:37:29,102 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:37:29,102 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:37:29,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:37:29,107 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:37:29,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-25 02:37:29,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:37:29,863 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:37:30,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:37:30,130 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-25 02:37:30,132 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:37:30,801 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 5 proven. 16 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-25 02:37:30,813 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-25 02:37:34,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:37:34,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 24 states and 37 transitions. [2024-11-25 02:37:34,433 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2024-11-25 02:37:34,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:37:34,434 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:37:34,435 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:37:34,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:37:34,437 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:37:34,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-25 02:37:34,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:37:34,490 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:37:34,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:37:35,001 INFO L256 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 02:37:35,004 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:37:35,909 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 7 proven. 26 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-25 02:37:35,913 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-25 02:37:39,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:37:39,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 26 states and 41 transitions. [2024-11-25 02:37:39,660 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 41 transitions. [2024-11-25 02:37:39,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-25 02:37:39,661 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:37:39,661 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:37:39,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:37:39,665 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:37:39,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-25 02:37:39,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:37:39,721 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:37:40,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:37:40,200 INFO L256 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-25 02:37:40,203 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:37:41,200 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 9 proven. 38 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-25 02:37:41,204 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-25 02:37:46,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:37:46,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 28 states and 45 transitions. [2024-11-25 02:37:46,644 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 45 transitions. [2024-11-25 02:37:46,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-25 02:37:46,645 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:37:46,646 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:37:46,646 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:37:46,652 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:37:46,653 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-25 02:37:46,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:37:46,706 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:37:47,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:37:47,199 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-25 02:37:47,207 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:37:48,256 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 11 proven. 52 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-25 02:37:48,258 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-25 02:37:52,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:37:52,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 30 states and 49 transitions. [2024-11-25 02:37:52,825 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 49 transitions. [2024-11-25 02:37:52,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-25 02:37:52,827 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:37:52,827 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:37:52,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:37:52,830 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:37:52,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-25 02:37:52,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:37:52,895 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:37:53,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:37:53,434 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-25 02:37:53,437 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:37:55,120 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 27 proven. 66 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-11-25 02:37:55,124 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-11-25 02:38:00,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:38:00,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 32 states and 53 transitions. [2024-11-25 02:38:00,600 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 53 transitions. [2024-11-25 02:38:00,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-25 02:38:00,601 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:38:00,601 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:38:00,602 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:38:00,605 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:38:00,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-25 02:38:00,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:38:00,668 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:38:01,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:38:01,257 INFO L256 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-25 02:38:01,260 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:38:02,990 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 34 proven. 91 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2024-11-25 02:38:02,993 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-11-25 02:38:09,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:38:09,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 34 states and 57 transitions. [2024-11-25 02:38:09,141 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 57 transitions. [2024-11-25 02:38:09,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-25 02:38:09,142 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:38:09,142 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:38:09,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:38:09,146 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:38:09,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-25 02:38:09,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:38:09,215 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:38:09,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:38:09,934 INFO L256 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-25 02:38:09,939 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:38:12,007 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 31 proven. 110 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2024-11-25 02:38:12,008 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2024-11-25 02:38:18,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:38:18,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 36 states and 61 transitions. [2024-11-25 02:38:18,621 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 61 transitions. [2024-11-25 02:38:18,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-25 02:38:18,622 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:38:18,622 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:38:18,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:38:18,624 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:38:18,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-25 02:38:18,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:38:18,690 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:38:19,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:38:19,607 INFO L256 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-25 02:38:19,610 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:38:22,004 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 42 proven. 126 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2024-11-25 02:38:22,008 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-11-25 02:38:29,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:38:29,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 38 states and 65 transitions. [2024-11-25 02:38:29,626 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 65 transitions. [2024-11-25 02:38:29,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-25 02:38:29,627 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:38:29,627 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:38:29,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:38:29,632 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:38:29,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-25 02:38:29,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:38:29,711 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:38:30,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:38:30,544 INFO L256 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-25 02:38:30,547 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:38:33,164 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 67 proven. 148 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-25 02:38:33,166 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-11-25 02:38:41,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:38:41,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 40 states and 69 transitions. [2024-11-25 02:38:41,244 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 69 transitions. [2024-11-25 02:38:41,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-25 02:38:41,245 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:38:41,245 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:38:41,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:38:41,248 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:38:41,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-25 02:38:41,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:38:41,325 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:38:41,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:38:42,152 INFO L256 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-11-25 02:38:42,156 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:38:45,385 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 69 proven. 180 refuted. 0 times theorem prover too weak. 183 trivial. 0 not checked. [2024-11-25 02:38:45,388 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-11-25 02:38:54,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:38:54,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 42 states and 73 transitions. [2024-11-25 02:38:54,687 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 73 transitions. [2024-11-25 02:38:54,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-25 02:38:54,691 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:38:54,691 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:38:54,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:38:54,693 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:38:54,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-25 02:38:54,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:38:54,804 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:38:55,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:38:55,780 INFO L256 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-11-25 02:38:55,783 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:38:59,095 INFO L134 CoverageAnalysis]: Checked inductivity of 507 backedges. 57 proven. 204 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2024-11-25 02:38:59,100 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (16)] Forceful destruction successful, exit code 0 [2024-11-25 02:39:08,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:39:08,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 44 states and 77 transitions. [2024-11-25 02:39:08,794 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 77 transitions. [2024-11-25 02:39:08,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-25 02:39:08,796 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:39:08,796 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:39:08,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:39:08,797 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:39:08,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-25 02:39:08,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:39:08,875 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:39:09,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:39:09,908 INFO L256 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-25 02:39:09,910 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:39:13,810 INFO L134 CoverageAnalysis]: Checked inductivity of 588 backedges. 59 proven. 237 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2024-11-25 02:39:13,814 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (17)] Forceful destruction successful, exit code 0 [2024-11-25 02:39:24,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:39:24,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 46 states and 81 transitions. [2024-11-25 02:39:24,180 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 81 transitions. [2024-11-25 02:39:24,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-25 02:39:24,181 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:39:24,181 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:39:24,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:39:24,184 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:39:24,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-11-25 02:39:24,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:39:24,283 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:39:25,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:39:25,434 INFO L256 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 44 conjuncts are in the unsatisfiable core [2024-11-25 02:39:25,438 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:39:30,100 INFO L134 CoverageAnalysis]: Checked inductivity of 675 backedges. 96 proven. 267 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-25 02:39:30,103 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-11-25 02:39:41,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:39:41,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 48 states and 85 transitions. [2024-11-25 02:39:41,956 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 85 transitions. [2024-11-25 02:39:41,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-25 02:39:41,958 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:39:41,958 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:39:41,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:39:41,961 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:39:41,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-11-25 02:39:42,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:39:42,050 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:39:43,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:39:43,225 INFO L256 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-25 02:39:43,229 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:39:48,009 INFO L134 CoverageAnalysis]: Checked inductivity of 768 backedges. 72 proven. 300 refuted. 0 times theorem prover too weak. 396 trivial. 0 not checked. [2024-11-25 02:39:48,011 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (19)] Forceful destruction successful, exit code 0 [2024-11-25 02:40:00,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:40:00,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 50 states and 89 transitions. [2024-11-25 02:40:00,764 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 89 transitions. [2024-11-25 02:40:00,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-25 02:40:00,766 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:40:00,766 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:40:00,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:40:00,771 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:40:00,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-11-25 02:40:00,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:40:00,878 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:40:01,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:40:02,060 INFO L256 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-11-25 02:40:02,063 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:40:07,964 INFO L134 CoverageAnalysis]: Checked inductivity of 867 backedges. 112 proven. 337 refuted. 0 times theorem prover too weak. 418 trivial. 0 not checked. [2024-11-25 02:40:07,966 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (20)] Forceful destruction successful, exit code 0 [2024-11-25 02:40:21,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:40:21,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 52 states and 93 transitions. [2024-11-25 02:40:21,752 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 93 transitions. [2024-11-25 02:40:21,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-25 02:40:21,753 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:40:21,753 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:40:21,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:40:21,755 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:40:21,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-11-25 02:40:21,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:40:21,863 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:40:22,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:40:23,227 INFO L256 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-11-25 02:40:23,231 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:40:29,270 INFO L134 CoverageAnalysis]: Checked inductivity of 972 backedges. 117 proven. 378 refuted. 0 times theorem prover too weak. 477 trivial. 0 not checked. [2024-11-25 02:40:29,272 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (21)] Exception during sending of exit command (exit): Broken pipe [2024-11-25 02:40:29,272 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-11-25 02:40:43,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:40:43,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 54 states and 97 transitions. [2024-11-25 02:40:43,020 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 97 transitions. [2024-11-25 02:40:43,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-25 02:40:43,021 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:40:43,021 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:40:43,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:40:43,025 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:40:43,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-11-25 02:40:43,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:40:43,120 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:40:44,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:40:44,492 INFO L256 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-11-25 02:40:44,496 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:40:50,945 INFO L134 CoverageAnalysis]: Checked inductivity of 1083 backedges. 81 proven. 420 refuted. 0 times theorem prover too weak. 582 trivial. 0 not checked. [2024-11-25 02:40:50,947 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (22)] Forceful destruction successful, exit code 0 [2024-11-25 02:41:05,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:41:05,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 56 states and 101 transitions. [2024-11-25 02:41:05,245 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 101 transitions. [2024-11-25 02:41:05,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-25 02:41:05,246 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:41:05,246 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:41:05,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:41:05,249 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:41:05,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-11-25 02:41:05,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:41:05,354 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:41:06,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:41:07,062 INFO L256 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 51 conjuncts are in the unsatisfiable core [2024-11-25 02:41:07,065 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:41:13,929 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 92 proven. 456 refuted. 0 times theorem prover too weak. 652 trivial. 0 not checked. [2024-11-25 02:41:13,931 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2024-11-25 02:41:29,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:41:29,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 58 states and 105 transitions. [2024-11-25 02:41:29,267 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 105 transitions. [2024-11-25 02:41:29,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-25 02:41:29,268 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:41:29,268 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:41:29,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:41:29,270 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:41:29,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-11-25 02:41:29,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:41:29,391 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:41:30,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:41:31,111 INFO L256 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 53 conjuncts are in the unsatisfiable core [2024-11-25 02:41:31,114 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:41:38,862 INFO L134 CoverageAnalysis]: Checked inductivity of 1323 backedges. 94 proven. 503 refuted. 0 times theorem prover too weak. 726 trivial. 0 not checked. [2024-11-25 02:41:38,864 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2024-11-25 02:41:57,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:41:57,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 60 states and 109 transitions. [2024-11-25 02:41:57,653 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 109 transitions. [2024-11-25 02:41:57,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-25 02:41:57,654 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:41:57,654 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:41:57,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:41:57,656 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:41:57,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-11-25 02:41:57,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:41:57,763 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:41:59,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:41:59,968 INFO L256 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 61 conjuncts are in the unsatisfiable core [2024-11-25 02:41:59,977 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:42:08,266 INFO L134 CoverageAnalysis]: Checked inductivity of 1452 backedges. 175 proven. 569 refuted. 0 times theorem prover too weak. 708 trivial. 0 not checked. [2024-11-25 02:42:08,268 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2024-11-25 02:42:27,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:42:27,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 62 states and 113 transitions. [2024-11-25 02:42:27,411 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 113 transitions. [2024-11-25 02:42:27,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-25 02:42:27,412 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:42:27,412 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:42:27,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:42:27,417 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:42:27,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-11-25 02:42:27,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:42:27,548 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:42:29,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:42:29,597 INFO L256 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 60 conjuncts are in the unsatisfiable core [2024-11-25 02:42:29,601 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:42:39,323 INFO L134 CoverageAnalysis]: Checked inductivity of 1587 backedges. 127 proven. 628 refuted. 0 times theorem prover too weak. 832 trivial. 0 not checked. [2024-11-25 02:42:39,325 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2024-11-25 02:42:59,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:42:59,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 64 states and 117 transitions. [2024-11-25 02:42:59,648 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 117 transitions. [2024-11-25 02:42:59,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-25 02:42:59,649 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:42:59,649 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:42:59,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:42:59,653 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:42:59,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-11-25 02:42:59,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:42:59,777 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:43:01,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:43:01,793 INFO L256 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 62 conjuncts are in the unsatisfiable core [2024-11-25 02:43:01,803 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:43:11,728 INFO L134 CoverageAnalysis]: Checked inductivity of 1728 backedges. 129 proven. 684 refuted. 0 times theorem prover too weak. 915 trivial. 0 not checked. [2024-11-25 02:43:11,730 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (27)] Forceful destruction successful, exit code 0 [2024-11-25 02:43:32,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:43:32,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 66 states and 121 transitions. [2024-11-25 02:43:32,409 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 121 transitions. [2024-11-25 02:43:32,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-25 02:43:32,410 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:43:32,410 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:43:32,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:43:32,413 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:43:32,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-11-25 02:43:32,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:43:32,564 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:43:34,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:43:34,654 INFO L256 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 64 conjuncts are in the unsatisfiable core [2024-11-25 02:43:34,666 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:43:45,611 INFO L134 CoverageAnalysis]: Checked inductivity of 1875 backedges. 131 proven. 742 refuted. 0 times theorem prover too weak. 1002 trivial. 0 not checked. [2024-11-25 02:43:45,613 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (28)] Forceful destruction successful, exit code 0 [2024-11-25 02:43:57,690 WARN L286 SmtUtils]: Spent 5.03s on a formula simplification that was a NOOP. DAG size: 155 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 02:44:08,059 WARN L286 SmtUtils]: Spent 5.05s on a formula simplification that was a NOOP. DAG size: 156 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 02:44:09,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:44:09,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 68 states and 125 transitions. [2024-11-25 02:44:09,650 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 125 transitions. [2024-11-25 02:44:09,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-25 02:44:09,651 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:44:09,651 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:44:09,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:44:09,653 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:44:09,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-11-25 02:44:09,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:44:09,783 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:44:11,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:44:11,880 INFO L256 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 69 conjuncts are in the unsatisfiable core [2024-11-25 02:44:11,885 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:44:23,767 INFO L134 CoverageAnalysis]: Checked inductivity of 2028 backedges. 183 proven. 809 refuted. 0 times theorem prover too weak. 1036 trivial. 0 not checked. [2024-11-25 02:44:23,769 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2024-11-25 02:44:36,009 WARN L286 SmtUtils]: Spent 5.35s on a formula simplification that was a NOOP. DAG size: 161 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 02:44:45,788 WARN L286 SmtUtils]: Spent 5.11s on a formula simplification that was a NOOP. DAG size: 162 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 02:44:46,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:44:46,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 70 states and 129 transitions. [2024-11-25 02:44:46,591 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 129 transitions. [2024-11-25 02:44:46,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-11-25 02:44:46,592 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:44:46,592 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:44:46,592 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:44:46,597 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:44:46,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-11-25 02:44:46,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:44:46,741 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:44:48,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:44:49,051 INFO L256 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 71 conjuncts are in the unsatisfiable core [2024-11-25 02:44:49,054 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:45:01,265 INFO L134 CoverageAnalysis]: Checked inductivity of 2187 backedges. 197 proven. 862 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2024-11-25 02:45:01,267 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (30)] Exception during sending of exit command (exit): Stream closed [2024-11-25 02:45:01,267 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (30)] Forceful destruction successful, exit code 0 [2024-11-25 02:45:14,448 WARN L286 SmtUtils]: Spent 5.61s on a formula simplification that was a NOOP. DAG size: 167 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 02:45:25,742 WARN L286 SmtUtils]: Spent 5.82s on a formula simplification that was a NOOP. DAG size: 168 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 02:45:26,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:45:26,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 72 states and 133 transitions. [2024-11-25 02:45:26,883 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 133 transitions. [2024-11-25 02:45:26,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-11-25 02:45:26,884 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:45:26,884 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:45:26,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:45:26,886 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:45:26,887 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-11-25 02:45:27,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:45:27,031 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:45:28,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:45:29,182 INFO L256 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 67 conjuncts are in the unsatisfiable core [2024-11-25 02:45:29,186 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:45:41,797 INFO L134 CoverageAnalysis]: Checked inductivity of 2352 backedges. 132 proven. 864 refuted. 0 times theorem prover too weak. 1356 trivial. 0 not checked. [2024-11-25 02:45:41,799 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2024-11-25 02:45:56,583 WARN L286 SmtUtils]: Spent 6.66s on a formula simplification that was a NOOP. DAG size: 173 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 02:46:07,730 WARN L286 SmtUtils]: Spent 6.42s on a formula simplification that was a NOOP. DAG size: 174 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 02:46:08,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:46:08,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 74 states and 137 transitions. [2024-11-25 02:46:08,872 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 137 transitions. [2024-11-25 02:46:08,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2024-11-25 02:46:08,873 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:46:08,873 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:46:08,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:46:08,875 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:46:08,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-11-25 02:46:09,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:46:09,014 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:46:10,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:46:11,265 INFO L256 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 69 conjuncts are in the unsatisfiable core [2024-11-25 02:46:11,270 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:46:25,918 INFO L134 CoverageAnalysis]: Checked inductivity of 2523 backedges. 134 proven. 927 refuted. 0 times theorem prover too weak. 1462 trivial. 0 not checked. [2024-11-25 02:46:25,921 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2024-11-25 02:46:41,123 WARN L286 SmtUtils]: Spent 6.52s on a formula simplification that was a NOOP. DAG size: 179 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 02:46:55,139 WARN L286 SmtUtils]: Spent 7.05s on a formula simplification that was a NOOP. DAG size: 180 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 02:46:56,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:46:56,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 76 states and 141 transitions. [2024-11-25 02:46:56,269 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 141 transitions. [2024-11-25 02:46:56,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-11-25 02:46:56,274 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:46:56,274 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:46:56,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:46:56,276 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:46:56,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2024-11-25 02:46:56,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:46:56,406 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:46:58,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:46:58,618 INFO L256 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 71 conjuncts are in the unsatisfiable core [2024-11-25 02:46:58,621 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:47:13,168 INFO L134 CoverageAnalysis]: Checked inductivity of 2700 backedges. 136 proven. 992 refuted. 0 times theorem prover too weak. 1572 trivial. 0 not checked. [2024-11-25 02:47:13,170 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2024-11-25 02:47:29,245 WARN L286 SmtUtils]: Spent 7.15s on a formula simplification that was a NOOP. DAG size: 184 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 02:47:42,223 WARN L286 SmtUtils]: Spent 7.09s on a formula simplification that was a NOOP. DAG size: 185 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 02:47:43,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:47:43,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 78 states and 145 transitions. [2024-11-25 02:47:43,285 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 145 transitions. [2024-11-25 02:47:43,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2024-11-25 02:47:43,286 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:47:43,286 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:47:43,286 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:47:43,288 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:47:43,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2024-11-25 02:47:43,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:47:43,426 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:47:45,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:47:45,855 INFO L256 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 73 conjuncts are in the unsatisfiable core [2024-11-25 02:47:45,860 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:48:02,232 INFO L134 CoverageAnalysis]: Checked inductivity of 2883 backedges. 138 proven. 1059 refuted. 0 times theorem prover too weak. 1686 trivial. 0 not checked. [2024-11-25 02:48:02,234 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2024-11-25 02:48:19,961 WARN L286 SmtUtils]: Spent 7.94s on a formula simplification that was a NOOP. DAG size: 190 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 02:48:35,420 WARN L286 SmtUtils]: Spent 8.14s on a formula simplification that was a NOOP. DAG size: 191 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 02:48:36,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:48:36,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 80 states and 149 transitions. [2024-11-25 02:48:36,545 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 149 transitions. [2024-11-25 02:48:36,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2024-11-25 02:48:36,546 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:48:36,546 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:48:36,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:48:36,548 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:48:36,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2024-11-25 02:48:36,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:48:36,712 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:48:39,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:48:39,662 INFO L256 TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 75 conjuncts are in the unsatisfiable core [2024-11-25 02:48:39,666 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:48:56,282 INFO L134 CoverageAnalysis]: Checked inductivity of 3072 backedges. 140 proven. 1128 refuted. 0 times theorem prover too weak. 1804 trivial. 0 not checked. [2024-11-25 02:48:56,284 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2024-11-25 02:49:14,984 WARN L286 SmtUtils]: Spent 8.08s on a formula simplification that was a NOOP. DAG size: 196 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 02:49:28,864 WARN L286 SmtUtils]: Spent 7.95s on a formula simplification that was a NOOP. DAG size: 197 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 02:49:30,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:49:30,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 82 states and 153 transitions. [2024-11-25 02:49:30,332 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 153 transitions. [2024-11-25 02:49:30,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2024-11-25 02:49:30,333 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:49:30,333 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:49:30,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:49:30,335 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:49:30,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2024-11-25 02:49:30,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:49:30,474 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:49:32,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:49:32,829 INFO L256 TraceCheckSpWp]: Trace formula consists of 384 conjuncts, 80 conjuncts are in the unsatisfiable core [2024-11-25 02:49:32,838 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:49:50,021 INFO L134 CoverageAnalysis]: Checked inductivity of 3267 backedges. 231 proven. 1194 refuted. 0 times theorem prover too weak. 1842 trivial. 0 not checked. [2024-11-25 02:49:50,023 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2024-11-25 02:50:08,098 WARN L286 SmtUtils]: Spent 8.55s on a formula simplification that was a NOOP. DAG size: 202 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 02:50:22,535 WARN L286 SmtUtils]: Spent 8.26s on a formula simplification that was a NOOP. DAG size: 203 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 02:50:23,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:50:23,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 84 states and 157 transitions. [2024-11-25 02:50:23,812 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 157 transitions. [2024-11-25 02:50:23,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2024-11-25 02:50:23,813 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:50:23,814 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:50:23,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:50:23,818 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:50:23,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2024-11-25 02:50:23,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:50:23,974 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:50:26,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:50:26,657 INFO L256 TraceCheckSpWp]: Trace formula consists of 395 conjuncts, 79 conjuncts are in the unsatisfiable core [2024-11-25 02:50:26,661 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:50:45,506 INFO L134 CoverageAnalysis]: Checked inductivity of 3468 backedges. 162 proven. 1254 refuted. 0 times theorem prover too weak. 2052 trivial. 0 not checked. [2024-11-25 02:50:45,510 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2024-11-25 02:51:04,706 WARN L286 SmtUtils]: Spent 9.15s on a formula simplification that was a NOOP. DAG size: 208 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 02:51:21,404 WARN L286 SmtUtils]: Spent 8.92s on a formula simplification that was a NOOP. DAG size: 209 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 02:51:22,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:51:22,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 86 states and 161 transitions. [2024-11-25 02:51:22,739 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 161 transitions. [2024-11-25 02:51:22,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2024-11-25 02:51:22,740 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:51:22,740 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:51:22,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:51:22,743 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:51:22,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2024-11-25 02:51:22,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:51:22,895 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:51:25,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:51:25,593 INFO L256 TraceCheckSpWp]: Trace formula consists of 406 conjuncts, 84 conjuncts are in the unsatisfiable core [2024-11-25 02:51:25,607 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:51:45,323 INFO L134 CoverageAnalysis]: Checked inductivity of 3675 backedges. 259 proven. 1324 refuted. 0 times theorem prover too weak. 2092 trivial. 0 not checked. [2024-11-25 02:51:45,326 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31845898-3be8-495d-be80-2dd9d4a510be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0