./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound10.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_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b --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 460506a141aea77ccc3566603556d6eb3051804be1f001a5f66c36de73c2b800 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 06:01:56,163 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 06:01:56,220 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 06:01:56,225 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 06:01:56,225 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 06:01:56,244 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 06:01:56,245 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 06:01:56,245 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 06:01:56,246 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 06:01:56,246 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 06:01:56,246 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 06:01:56,246 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 06:01:56,246 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 06:01:56,246 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 06:01:56,246 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 06:01:56,246 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 06:01:56,247 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 06:01:56,247 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 06:01:56,247 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 06:01:56,247 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 06:01:56,247 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 06:01:56,247 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 06:01:56,247 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 06:01:56,247 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 06:01:56,247 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 06:01:56,247 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 06:01:56,247 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 06:01:56,247 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 06:01:56,248 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 06:01:56,248 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 06:01:56,248 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 06:01:56,248 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 06:01:56,248 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 06:01:56,248 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_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b 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 -> 460506a141aea77ccc3566603556d6eb3051804be1f001a5f66c36de73c2b800 [2024-12-06 06:01:56,496 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 06:01:56,504 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 06:01:56,506 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 06:01:56,507 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 06:01:56,507 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 06:01:56,508 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound10.c [2024-12-06 06:01:59,138 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/data/262b57063/8a0dc29296ad453099a0e49b470271af/FLAG87e447936 [2024-12-06 06:01:59,339 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 06:01:59,339 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound10.c [2024-12-06 06:01:59,346 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/data/262b57063/8a0dc29296ad453099a0e49b470271af/FLAG87e447936 [2024-12-06 06:01:59,359 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/data/262b57063/8a0dc29296ad453099a0e49b470271af [2024-12-06 06:01:59,362 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 06:01:59,363 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 06:01:59,364 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 06:01:59,364 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 06:01:59,368 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 06:01:59,369 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:01:59" (1/1) ... [2024-12-06 06:01:59,369 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53d4ee81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:01:59, skipping insertion in model container [2024-12-06 06:01:59,370 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:01:59" (1/1) ... [2024-12-06 06:01:59,382 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 06:01:59,509 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_908861ee-90f6-4405-8b1e-9511a1be6eff/sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound10.c[552,565] [2024-12-06 06:01:59,527 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 06:01:59,535 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 06:01:59,545 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_908861ee-90f6-4405-8b1e-9511a1be6eff/sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound10.c[552,565] [2024-12-06 06:01:59,552 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 06:01:59,565 INFO L204 MainTranslator]: Completed translation [2024-12-06 06:01:59,565 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:01:59 WrapperNode [2024-12-06 06:01:59,565 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 06:01:59,566 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 06:01:59,566 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 06:01:59,566 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 06:01:59,572 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:01:59" (1/1) ... [2024-12-06 06:01:59,578 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:01:59" (1/1) ... [2024-12-06 06:01:59,592 INFO L138 Inliner]: procedures = 14, calls = 25, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 64 [2024-12-06 06:01:59,592 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 06:01:59,593 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 06:01:59,593 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 06:01:59,593 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 06:01:59,600 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:01:59" (1/1) ... [2024-12-06 06:01:59,600 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:01:59" (1/1) ... [2024-12-06 06:01:59,601 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:01:59" (1/1) ... [2024-12-06 06:01:59,602 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:01:59" (1/1) ... [2024-12-06 06:01:59,605 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:01:59" (1/1) ... [2024-12-06 06:01:59,605 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:01:59" (1/1) ... [2024-12-06 06:01:59,609 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:01:59" (1/1) ... [2024-12-06 06:01:59,610 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:01:59" (1/1) ... [2024-12-06 06:01:59,611 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:01:59" (1/1) ... [2024-12-06 06:01:59,612 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 06:01:59,613 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 06:01:59,613 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 06:01:59,613 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 06:01:59,614 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:01:59" (1/1) ... [2024-12-06 06:01:59,619 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 06:01:59,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 06:01:59,642 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 06:01:59,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 06:01:59,669 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 06:01:59,670 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 06:01:59,670 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 06:01:59,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 06:01:59,670 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 06:01:59,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 06:01:59,670 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 06:01:59,670 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 06:01:59,712 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 06:01:59,714 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 06:01:59,834 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-12-06 06:01:59,835 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 06:01:59,858 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 06:01:59,859 INFO L312 CfgBuilder]: Removed 6 assume(true) statements. [2024-12-06 06:01:59,859 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:01:59 BoogieIcfgContainer [2024-12-06 06:01:59,859 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 06:01:59,859 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 06:01:59,859 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 06:01:59,866 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 06:01:59,866 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:01:59" (1/1) ... [2024-12-06 06:01:59,871 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 06:01:59,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:01:59,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 27 states and 42 transitions. [2024-12-06 06:01:59,913 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 42 transitions. [2024-12-06 06:01:59,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-06 06:01:59,917 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:01:59,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:02:00,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 06:02:00,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:02:00,096 INFO L256 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 06:02:00,101 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:02:00,204 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-12-06 06:02:00,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:02:00,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 30 states and 49 transitions. [2024-12-06 06:02:00,304 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 49 transitions. [2024-12-06 06:02:00,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-06 06:02:00,306 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:02:00,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:02:00,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 06:02:10,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 06:02:10,394 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-06 06:02:10,398 INFO L158 Benchmark]: Toolchain (without parser) took 11034.42ms. Allocated memory is still 142.6MB. Free memory was 117.0MB in the beginning and 60.3MB in the end (delta: 56.8MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-12-06 06:02:10,398 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 142.6MB. Free memory is still 83.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:02:10,398 INFO L158 Benchmark]: CACSL2BoogieTranslator took 201.68ms. Allocated memory is still 142.6MB. Free memory was 117.0MB in the beginning and 105.5MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 06:02:10,399 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.23ms. Allocated memory is still 142.6MB. Free memory was 105.5MB in the beginning and 104.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:02:10,399 INFO L158 Benchmark]: Boogie Preprocessor took 19.27ms. Allocated memory is still 142.6MB. Free memory was 104.2MB in the beginning and 103.5MB in the end (delta: 729.3kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 06:02:10,400 INFO L158 Benchmark]: RCFGBuilder took 246.15ms. Allocated memory is still 142.6MB. Free memory was 103.5MB in the beginning and 90.3MB in the end (delta: 13.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 06:02:10,400 INFO L158 Benchmark]: CodeCheck took 10537.47ms. Allocated memory is still 142.6MB. Free memory was 90.3MB in the beginning and 60.3MB in the end (delta: 30.1MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-06 06:02:10,403 INFO L338 ainManager$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 0.30ms. Allocated memory is still 142.6MB. Free memory is still 83.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 201.68ms. Allocated memory is still 142.6MB. Free memory was 117.0MB in the beginning and 105.5MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.23ms. Allocated memory is still 142.6MB. Free memory was 105.5MB in the beginning and 104.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 19.27ms. Allocated memory is still 142.6MB. Free memory was 104.2MB in the beginning and 103.5MB in the end (delta: 729.3kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 246.15ms. Allocated memory is still 142.6MB. Free memory was 103.5MB in the beginning and 90.3MB in the end (delta: 13.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 10537.47ms. Allocated memory is still 142.6MB. Free memory was 90.3MB in the beginning and 60.3MB in the end (delta: 30.1MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 06:02:10,418 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/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_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b --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 460506a141aea77ccc3566603556d6eb3051804be1f001a5f66c36de73c2b800 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 06:02:12,339 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 06:02:12,421 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 06:02:12,447 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 06:02:12,447 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 06:02:12,448 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 06:02:12,448 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 06:02:12,448 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 06:02:12,448 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 06:02:12,448 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 06:02:12,448 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 06:02:12,448 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 06:02:12,449 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 06:02:12,449 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 06:02:12,449 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 06:02:12,449 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 06:02:12,449 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 06:02:12,449 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 06:02:12,449 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 06:02:12,450 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 06:02:12,450 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 06:02:12,450 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 06:02:12,450 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 06:02:12,450 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 06:02:12,450 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 06:02:12,450 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 06:02:12,450 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 06:02:12,450 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 06:02:12,450 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 06:02:12,450 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 06:02:12,451 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 06:02:12,451 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 06:02:12,451 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 06:02:12,451 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 06:02:12,451 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 06:02:12,451 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 06:02:12,451 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_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b 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 -> 460506a141aea77ccc3566603556d6eb3051804be1f001a5f66c36de73c2b800 [2024-12-06 06:02:12,692 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 06:02:12,701 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 06:02:12,703 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 06:02:12,704 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 06:02:12,705 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 06:02:12,706 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound10.c [2024-12-06 06:02:15,357 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/data/cc597c631/6454f8cbcadd41e9a7ddb895aa8b7e55/FLAG3a3191655 [2024-12-06 06:02:15,519 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 06:02:15,519 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound10.c [2024-12-06 06:02:15,527 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/data/cc597c631/6454f8cbcadd41e9a7ddb895aa8b7e55/FLAG3a3191655 [2024-12-06 06:02:15,542 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/data/cc597c631/6454f8cbcadd41e9a7ddb895aa8b7e55 [2024-12-06 06:02:15,544 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 06:02:15,545 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 06:02:15,547 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 06:02:15,547 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 06:02:15,552 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 06:02:15,552 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:02:15" (1/1) ... [2024-12-06 06:02:15,553 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5123ec17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:02:15, skipping insertion in model container [2024-12-06 06:02:15,553 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:02:15" (1/1) ... [2024-12-06 06:02:15,568 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 06:02:15,705 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_908861ee-90f6-4405-8b1e-9511a1be6eff/sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound10.c[552,565] [2024-12-06 06:02:15,726 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 06:02:15,738 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 06:02:15,749 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_908861ee-90f6-4405-8b1e-9511a1be6eff/sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound10.c[552,565] [2024-12-06 06:02:15,757 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 06:02:15,772 INFO L204 MainTranslator]: Completed translation [2024-12-06 06:02:15,772 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:02:15 WrapperNode [2024-12-06 06:02:15,772 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 06:02:15,773 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 06:02:15,773 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 06:02:15,774 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 06:02:15,780 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:02:15" (1/1) ... [2024-12-06 06:02:15,788 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:02:15" (1/1) ... [2024-12-06 06:02:15,805 INFO L138 Inliner]: procedures = 14, calls = 25, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 64 [2024-12-06 06:02:15,806 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 06:02:15,806 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 06:02:15,807 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 06:02:15,807 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 06:02:15,815 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:02:15" (1/1) ... [2024-12-06 06:02:15,815 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:02:15" (1/1) ... [2024-12-06 06:02:15,817 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:02:15" (1/1) ... [2024-12-06 06:02:15,818 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:02:15" (1/1) ... [2024-12-06 06:02:15,823 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:02:15" (1/1) ... [2024-12-06 06:02:15,824 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:02:15" (1/1) ... [2024-12-06 06:02:15,828 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:02:15" (1/1) ... [2024-12-06 06:02:15,829 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:02:15" (1/1) ... [2024-12-06 06:02:15,830 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:02:15" (1/1) ... [2024-12-06 06:02:15,832 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 06:02:15,833 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 06:02:15,833 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 06:02:15,833 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 06:02:15,834 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:02:15" (1/1) ... [2024-12-06 06:02:15,840 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 06:02:15,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 06:02:15,865 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 06:02:15,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 06:02:15,897 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 06:02:15,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 06:02:15,897 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 06:02:15,897 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 06:02:15,897 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 06:02:15,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 06:02:15,898 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 06:02:15,898 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 06:02:15,953 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 06:02:15,954 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 06:02:16,094 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-12-06 06:02:16,094 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 06:02:16,126 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 06:02:16,126 INFO L312 CfgBuilder]: Removed 6 assume(true) statements. [2024-12-06 06:02:16,126 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:02:16 BoogieIcfgContainer [2024-12-06 06:02:16,126 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 06:02:16,127 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 06:02:16,127 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 06:02:16,135 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 06:02:16,136 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:02:16" (1/1) ... [2024-12-06 06:02:16,142 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 06:02:16,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:02:16,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 27 states and 42 transitions. [2024-12-06 06:02:16,185 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 42 transitions. [2024-12-06 06:02:16,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-06 06:02:16,189 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:02:16,190 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:02:16,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:02:16,192 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:02:16,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 06:02:16,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:02:16,319 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:02:16,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:02:16,381 INFO L256 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-06 06:02:16,386 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:02:16,629 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-06 06:02:16,632 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 06:02:17,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:02:17,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 30 states and 49 transitions. [2024-12-06 06:02:17,125 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 49 transitions. [2024-12-06 06:02:17,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-06 06:02:17,126 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:02:17,126 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:02:17,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:02:17,128 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:02:17,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 06:02:17,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:02:17,252 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:02:17,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:02:17,311 INFO L256 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-12-06 06:02:17,314 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:02:17,701 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-12-06 06:02:17,704 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 06:02:18,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:02:18,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 35 states and 63 transitions. [2024-12-06 06:02:18,488 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 63 transitions. [2024-12-06 06:02:18,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-06 06:02:18,489 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:02:18,489 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:02:18,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:02:18,491 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:02:18,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 06:02:18,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:02:18,619 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:02:18,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:02:18,646 INFO L256 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-06 06:02:18,648 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:02:20,043 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 06:02:20,045 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-06 06:02:21,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:02:21,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 36 states and 66 transitions. [2024-12-06 06:02:21,247 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 66 transitions. [2024-12-06 06:02:21,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-12-06 06:02:21,248 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:02:21,248 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:02:21,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:02:21,250 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:02:21,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-06 06:02:21,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:02:21,297 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:02:21,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:02:21,339 INFO L256 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 06:02:21,340 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:02:21,411 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-12-06 06:02:21,413 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-06 06:02:21,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:02:21,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 37 states and 68 transitions. [2024-12-06 06:02:21,876 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 68 transitions. [2024-12-06 06:02:21,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-12-06 06:02:21,877 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:02:21,877 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:02:21,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:02:21,879 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:02:21,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-06 06:02:21,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:02:21,930 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:02:21,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:02:21,971 INFO L256 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-06 06:02:21,973 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:02:23,471 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-12-06 06:02:23,472 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-12-06 06:02:34,962 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 06:02:35,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:02:35,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 39 states and 72 transitions. [2024-12-06 06:02:35,451 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 72 transitions. [2024-12-06 06:02:35,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-12-06 06:02:35,452 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:02:35,452 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:02:35,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:02:35,454 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:02:35,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-06 06:02:35,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:02:35,581 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:02:35,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:02:35,661 INFO L256 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-12-06 06:02:35,663 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:02:36,256 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 7 proven. 9 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-12-06 06:02:36,258 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-12-06 06:02:48,763 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 06:02:52,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:02:52,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 41 states and 78 transitions. [2024-12-06 06:02:52,013 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 78 transitions. [2024-12-06 06:02:52,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 06:02:52,014 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:02:52,014 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:02:52,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:02:52,016 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:02:52,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-06 06:02:52,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:02:52,067 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:02:52,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:02:52,098 INFO L256 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-06 06:02:52,099 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:02:52,672 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-12-06 06:02:52,673 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-12-06 06:03:02,822 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 06:03:13,280 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 06:03:26,144 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 06:03:26,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:03:26,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 43 states and 81 transitions. [2024-12-06 06:03:26,547 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 81 transitions. [2024-12-06 06:03:26,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 06:03:26,548 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:03:26,548 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:03:26,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:03:26,550 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:03:26,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-12-06 06:03:26,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:03:26,692 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:03:26,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:03:26,752 INFO L256 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-12-06 06:03:26,754 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:03:27,809 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 7 proven. 11 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-12-06 06:03:27,812 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-12-06 06:03:42,855 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 06:03:53,384 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 06:03:53,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:03:53,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 49 states and 94 transitions. [2024-12-06 06:03:53,999 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 94 transitions. [2024-12-06 06:03:54,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 06:03:54,000 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:03:54,000 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:03:54,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:03:54,002 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:03:54,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-12-06 06:03:54,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:03:54,175 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:03:54,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:03:54,289 INFO L256 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-12-06 06:03:54,291 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:03:55,334 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 11 proven. 13 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-12-06 06:03:55,338 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-12-06 06:04:09,863 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 06:04:14,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:04:14,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 51 states and 99 transitions. [2024-12-06 06:04:14,759 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 99 transitions. [2024-12-06 06:04:14,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-12-06 06:04:14,760 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:04:14,760 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:04:14,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:04:14,762 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:04:14,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-12-06 06:04:14,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:04:14,942 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:04:15,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:04:15,030 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-12-06 06:04:15,031 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:04:16,314 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-12-06 06:04:16,317 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-12-06 06:04:30,523 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 06:04:41,379 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 06:04:42,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:04:42,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 53 states and 105 transitions. [2024-12-06 06:04:42,260 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 105 transitions. [2024-12-06 06:04:42,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-12-06 06:04:42,261 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:04:42,261 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:04:42,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:04:42,263 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:04:42,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-12-06 06:04:42,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:04:42,486 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:04:42,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:04:42,560 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-12-06 06:04:42,561 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:04:43,992 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 13 proven. 18 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-12-06 06:04:43,996 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-12-06 06:04:58,094 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 06:05:09,342 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 06:05:10,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:05:10,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 55 states and 110 transitions. [2024-12-06 06:05:10,548 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 110 transitions. [2024-12-06 06:05:10,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-12-06 06:05:10,549 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:05:10,549 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:05:10,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:05:10,551 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:05:10,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-12-06 06:05:10,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:05:10,799 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:05:10,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:05:10,935 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-12-06 06:05:10,937 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:05:12,802 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 15 proven. 19 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-12-06 06:05:12,806 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-12-06 06:05:29,050 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 06:05:35,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:05:35,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 57 states and 115 transitions. [2024-12-06 06:05:35,472 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 115 transitions. [2024-12-06 06:05:35,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-12-06 06:05:35,473 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:05:35,473 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:05:35,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:05:35,475 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:05:35,476 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-12-06 06:05:35,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:05:35,634 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:05:35,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:05:35,703 INFO L256 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-12-06 06:05:35,705 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:05:37,270 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 18 proven. 22 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-12-06 06:05:37,273 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-12-06 06:05:41,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:05:41,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 60 states and 122 transitions. [2024-12-06 06:05:41,234 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 122 transitions. [2024-12-06 06:05:41,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-12-06 06:05:41,235 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:05:41,235 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:05:41,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:05:41,237 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:05:41,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-12-06 06:05:41,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:05:41,477 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:05:41,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:05:41,577 INFO L256 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-12-06 06:05:41,579 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:05:43,388 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 23 proven. 22 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-12-06 06:05:43,392 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-12-06 06:06:00,034 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 06:06:10,857 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 06:06:11,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:06:11,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 62 states and 127 transitions. [2024-12-06 06:06:11,827 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 127 transitions. [2024-12-06 06:06:11,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-12-06 06:06:11,828 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:06:11,828 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:06:11,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:06:11,830 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:06:11,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-12-06 06:06:11,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:06:11,976 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:06:12,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:06:12,035 INFO L256 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-12-06 06:06:12,036 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:06:15,802 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 14 proven. 23 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2024-12-06 06:06:15,805 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-12-06 06:06:30,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:06:30,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 71 states and 143 transitions. [2024-12-06 06:06:30,588 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 143 transitions. [2024-12-06 06:06:30,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-12-06 06:06:30,589 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:06:30,589 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:06:30,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:06:30,591 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:06:30,592 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-12-06 06:06:30,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:06:30,898 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:06:30,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:06:31,000 INFO L256 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-12-06 06:06:31,002 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:06:34,417 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 20 proven. 22 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-12-06 06:06:34,422 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-12-06 06:06:50,679 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 06:07:01,472 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 06:07:03,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:07:03,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 73 states and 148 transitions. [2024-12-06 06:07:03,104 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 148 transitions. [2024-12-06 06:07:03,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-12-06 06:07:03,106 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:07:03,106 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:07:03,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:07:03,107 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:07:03,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-12-06 06:07:03,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:07:03,379 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:07:03,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:07:03,466 INFO L256 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-12-06 06:07:03,468 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:07:06,603 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 17 proven. 26 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-12-06 06:07:06,607 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-12-06 06:07:23,256 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 06:07:34,924 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 06:07:37,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:07:37,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 75 states and 153 transitions. [2024-12-06 06:07:37,815 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 153 transitions. [2024-12-06 06:07:37,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-12-06 06:07:37,816 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:07:37,816 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:07:37,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:07:37,818 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:07:37,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-12-06 06:07:38,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:07:38,051 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:07:38,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:07:38,260 INFO L256 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-12-06 06:07:38,262 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:07:41,573 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 19 proven. 27 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-12-06 06:07:41,579 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-12-06 06:08:00,533 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 06:08:09,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:08:09,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 77 states and 158 transitions. [2024-12-06 06:08:09,118 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 158 transitions. [2024-12-06 06:08:09,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-12-06 06:08:09,119 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:08:09,119 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:08:09,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:08:09,120 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:08:09,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-12-06 06:08:09,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:08:09,168 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:08:09,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:08:09,212 INFO L256 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 06:08:09,213 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:08:09,238 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2024-12-06 06:08:09,240 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-12-06 06:08:10,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:08:10,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 77 states and 157 transitions. [2024-12-06 06:08:10,901 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 157 transitions. [2024-12-06 06:08:10,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-12-06 06:08:10,902 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:08:10,902 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:08:10,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:08:10,904 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:08:10,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-12-06 06:08:10,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:08:10,948 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:08:10,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:08:10,989 INFO L256 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 06:08:10,990 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:08:11,012 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2024-12-06 06:08:11,014 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-12-06 06:08:12,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:08:12,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 77 states and 156 transitions. [2024-12-06 06:08:12,550 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 156 transitions. [2024-12-06 06:08:12,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-12-06 06:08:12,551 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:08:12,551 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:08:12,551 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:08:12,553 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:08:12,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-12-06 06:08:12,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:08:12,771 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:08:12,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:08:12,855 INFO L256 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-12-06 06:08:12,857 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:08:16,722 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 20 proven. 32 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-12-06 06:08:16,726 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2024-12-06 06:08:36,663 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 06:08:47,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:08:47,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 79 states and 161 transitions. [2024-12-06 06:08:47,749 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 161 transitions. [2024-12-06 06:08:47,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-12-06 06:08:47,750 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:08:47,750 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:08:47,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:08:47,752 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:08:47,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-12-06 06:08:47,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:08:47,982 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:08:48,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:08:48,063 INFO L256 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-12-06 06:08:48,065 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:08:50,545 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 25 proven. 30 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-12-06 06:08:50,549 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2024-12-06 06:08:58,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:08:58,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 82 states and 168 transitions. [2024-12-06 06:08:58,789 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 168 transitions. [2024-12-06 06:08:58,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-12-06 06:08:58,790 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:08:58,790 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:08:58,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:08:58,791 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:08:58,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-12-06 06:08:59,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:08:59,042 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:08:59,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:08:59,165 INFO L256 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-12-06 06:08:59,167 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:09:03,576 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 30 proven. 30 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-12-06 06:09:03,581 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2024-12-06 06:09:23,856 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 06:09:34,726 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 06:09:36,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:09:36,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 84 states and 173 transitions. [2024-12-06 06:09:36,272 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 173 transitions. [2024-12-06 06:09:36,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-12-06 06:09:36,272 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:09:36,272 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:09:36,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:09:36,274 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:09:36,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-12-06 06:09:36,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:09:36,515 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:09:36,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:09:36,596 INFO L256 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-12-06 06:09:36,598 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:09:40,774 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 22 proven. 31 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-12-06 06:09:40,778 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2024-12-06 06:09:56,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:09:56,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 87 states and 180 transitions. [2024-12-06 06:09:56,380 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 180 transitions. [2024-12-06 06:09:56,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-12-06 06:09:56,381 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:09:56,382 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:09:56,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:09:56,384 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:09:56,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-12-06 06:09:56,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:09:56,783 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:09:56,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:09:56,943 INFO L256 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-12-06 06:09:56,945 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:10:01,262 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 27 proven. 28 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-12-06 06:10:01,268 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2024-12-06 06:10:21,310 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 06:10:32,407 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 06:10:35,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:10:35,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 89 states and 185 transitions. [2024-12-06 06:10:35,517 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 185 transitions. [2024-12-06 06:10:35,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-12-06 06:10:35,518 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:10:35,518 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:10:35,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:10:35,520 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:10:35,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-12-06 06:10:35,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:10:35,710 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:10:35,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:10:35,833 INFO L256 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-12-06 06:10:35,835 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:10:42,621 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 18 proven. 34 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-12-06 06:10:42,625 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2024-12-06 06:11:07,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:11:07,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 94 states and 195 transitions. [2024-12-06 06:11:07,936 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 195 transitions. [2024-12-06 06:11:07,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-12-06 06:11:07,937 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:11:07,937 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:11:07,937 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:11:07,938 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:11:07,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-12-06 06:11:08,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:11:08,306 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:11:08,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:11:08,438 INFO L256 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-12-06 06:11:08,440 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:11:14,627 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 24 proven. 30 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-12-06 06:11:14,632 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2024-12-06 06:11:38,661 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 06:11:49,839 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 06:11:53,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:11:53,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 96 states and 200 transitions. [2024-12-06 06:11:53,100 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 200 transitions. [2024-12-06 06:11:53,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-12-06 06:11:53,101 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:11:53,101 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:11:53,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:11:53,103 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:11:53,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-12-06 06:11:53,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:11:53,599 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:11:53,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:11:53,718 INFO L256 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-12-06 06:11:53,720 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:11:59,464 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 21 proven. 36 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-12-06 06:11:59,469 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2024-12-06 06:12:24,217 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 06:12:37,628 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 06:12:40,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:12:40,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 98 states and 205 transitions. [2024-12-06 06:12:40,854 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 205 transitions. [2024-12-06 06:12:40,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-12-06 06:12:40,855 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:12:40,855 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:12:40,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:12:40,857 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:12:40,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-12-06 06:12:41,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:12:41,303 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:12:41,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:12:41,593 INFO L256 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-12-06 06:12:41,596 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:12:47,854 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 24 proven. 45 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-12-06 06:12:47,859 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2024-12-06 06:13:13,995 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 06:13:30,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:13:30,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 100 states and 210 transitions. [2024-12-06 06:13:30,113 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 210 transitions. [2024-12-06 06:13:30,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-12-06 06:13:30,113 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:13:30,113 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:13:30,114 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:13:30,115 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:13:30,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-12-06 06:13:30,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:13:30,171 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:13:30,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:13:30,229 INFO L256 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 06:13:30,230 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:13:30,257 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2024-12-06 06:13:30,258 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2024-12-06 06:13:33,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:13:33,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 100 states and 209 transitions. [2024-12-06 06:13:33,424 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 209 transitions. [2024-12-06 06:13:33,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-12-06 06:13:33,425 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:13:33,425 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:13:33,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:13:33,427 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:13:33,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-12-06 06:13:33,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:13:33,491 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:13:33,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:13:33,562 INFO L256 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 06:13:33,563 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:13:33,590 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-12-06 06:13:33,591 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2024-12-06 06:13:37,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:13:37,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 100 states and 208 transitions. [2024-12-06 06:13:37,344 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 208 transitions. [2024-12-06 06:13:37,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-12-06 06:13:37,345 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:13:37,345 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:13:37,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:13:37,346 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:13:37,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2024-12-06 06:13:37,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:13:37,406 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:13:37,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:13:37,467 INFO L256 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 06:13:37,468 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:13:37,496 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2024-12-06 06:13:37,497 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2024-12-06 06:13:40,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:13:40,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 100 states and 207 transitions. [2024-12-06 06:13:40,284 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 207 transitions. [2024-12-06 06:13:40,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-12-06 06:13:40,285 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:13:40,285 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:13:40,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:13:40,287 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:13:40,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2024-12-06 06:13:40,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:13:40,640 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:13:40,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:13:40,761 INFO L256 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-12-06 06:13:40,763 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:13:49,741 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 33 proven. 38 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2024-12-06 06:13:49,745 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2024-12-06 06:14:16,994 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 06:14:34,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:14:34,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 104 states and 216 transitions. [2024-12-06 06:14:34,919 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 216 transitions. [2024-12-06 06:14:34,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-12-06 06:14:34,920 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:14:34,920 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:14:34,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:14:34,925 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:14:34,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2024-12-06 06:14:35,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:14:35,247 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:14:35,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:14:35,354 INFO L256 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-12-06 06:14:35,356 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:14:41,150 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 27 proven. 43 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2024-12-06 06:14:41,155 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2024-12-06 06:15:04,210 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 06:15:21,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:15:21,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 106 states and 221 transitions. [2024-12-06 06:15:21,148 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 221 transitions. [2024-12-06 06:15:21,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-12-06 06:15:21,149 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:15:21,149 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:15:21,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:15:21,151 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:15:21,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2024-12-06 06:15:21,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:15:21,424 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:15:21,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:15:21,538 INFO L256 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-12-06 06:15:21,541 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:15:28,110 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 32 proven. 40 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2024-12-06 06:15:28,114 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2024-12-06 06:15:46,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:15:46,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 109 states and 229 transitions. [2024-12-06 06:15:46,275 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 229 transitions. [2024-12-06 06:15:46,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-12-06 06:15:46,276 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:15:46,276 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:15:46,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:15:46,278 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:15:46,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2024-12-06 06:15:46,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:15:46,697 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:15:46,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:15:46,866 INFO L256 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 44 conjuncts are in the unsatisfiable core [2024-12-06 06:15:46,868 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:15:54,486 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 37 proven. 40 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-12-06 06:15:54,492 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2024-12-06 06:16:25,610 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 06:16:36,956 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 06:16:39,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:16:39,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 111 states and 234 transitions. [2024-12-06 06:16:39,269 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 234 transitions. [2024-12-06 06:16:39,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-12-06 06:16:39,270 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:16:39,270 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:16:39,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:16:39,272 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:16:39,273 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2024-12-06 06:16:39,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:16:39,668 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:16:39,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:16:39,784 INFO L256 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-12-06 06:16:39,786 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:16:47,999 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 24 proven. 47 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2024-12-06 06:16:48,027 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_908861ee-90f6-4405-8b1e-9511a1be6eff/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2024-12-06 06:17:14,209 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []