./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound20.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_476a7c18-5862-4498-a10e-75fef11e79af/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476a7c18-5862-4498-a10e-75fef11e79af/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_476a7c18-5862-4498-a10e-75fef11e79af/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476a7c18-5862-4498-a10e-75fef11e79af/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476a7c18-5862-4498-a10e-75fef11e79af/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_476a7c18-5862-4498-a10e-75fef11e79af/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 99e5cccea54789cc7c8b01ece41ae38ca7afc8c38f73e2884988b8ff4c6bfc25 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:41:55,645 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:41:55,703 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476a7c18-5862-4498-a10e-75fef11e79af/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 01:41:55,708 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 01:41:55,708 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 01:41:55,729 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:41:55,729 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:41:55,730 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:41:55,730 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:41:55,730 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:41:55,730 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:41:55,730 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:41:55,730 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 01:41:55,731 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 01:41:55,731 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 01:41:55,731 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:41:55,731 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:41:55,731 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:41:55,731 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:41:55,731 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 01:41:55,731 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:41:55,731 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:41:55,731 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:41:55,732 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:41:55,732 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:41:55,732 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:41:55,732 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:41:55,732 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:41:55,732 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:41:55,732 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:41:55,732 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:41:55,732 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 01:41:55,732 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 01:41:55,733 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_476a7c18-5862-4498-a10e-75fef11e79af/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 -> 99e5cccea54789cc7c8b01ece41ae38ca7afc8c38f73e2884988b8ff4c6bfc25 [2024-12-06 01:41:55,962 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:41:55,969 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:41:55,971 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:41:55,973 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:41:55,973 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:41:55,974 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476a7c18-5862-4498-a10e-75fef11e79af/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound20.c [2024-12-06 01:41:58,639 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476a7c18-5862-4498-a10e-75fef11e79af/bin/ukojak-verify-CZk0znPC7b/data/6ff51ec2d/915e045fd2964111b147fb456c277f4e/FLAG4fc6f12ef [2024-12-06 01:41:58,832 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:41:58,833 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476a7c18-5862-4498-a10e-75fef11e79af/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound20.c [2024-12-06 01:41:58,840 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476a7c18-5862-4498-a10e-75fef11e79af/bin/ukojak-verify-CZk0znPC7b/data/6ff51ec2d/915e045fd2964111b147fb456c277f4e/FLAG4fc6f12ef [2024-12-06 01:41:59,209 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476a7c18-5862-4498-a10e-75fef11e79af/bin/ukojak-verify-CZk0znPC7b/data/6ff51ec2d/915e045fd2964111b147fb456c277f4e [2024-12-06 01:41:59,211 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:41:59,212 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:41:59,213 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:41:59,213 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:41:59,216 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:41:59,217 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:41:59" (1/1) ... [2024-12-06 01:41:59,217 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@681b2a02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:41:59, skipping insertion in model container [2024-12-06 01:41:59,218 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:41:59" (1/1) ... [2024-12-06 01:41:59,228 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:41:59,342 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_476a7c18-5862-4498-a10e-75fef11e79af/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound20.c[458,471] [2024-12-06 01:41:59,360 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:41:59,370 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:41:59,379 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_476a7c18-5862-4498-a10e-75fef11e79af/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound20.c[458,471] [2024-12-06 01:41:59,386 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:41:59,400 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:41:59,401 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:41:59 WrapperNode [2024-12-06 01:41:59,401 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:41:59,402 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:41:59,402 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:41:59,402 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:41:59,408 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:41:59" (1/1) ... [2024-12-06 01:41:59,415 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:41:59" (1/1) ... [2024-12-06 01:41:59,430 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 38 [2024-12-06 01:41:59,431 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:41:59,432 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:41:59,432 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:41:59,432 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:41:59,437 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:41:59" (1/1) ... [2024-12-06 01:41:59,438 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:41:59" (1/1) ... [2024-12-06 01:41:59,439 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:41:59" (1/1) ... [2024-12-06 01:41:59,439 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:41:59" (1/1) ... [2024-12-06 01:41:59,442 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:41:59" (1/1) ... [2024-12-06 01:41:59,443 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:41:59" (1/1) ... [2024-12-06 01:41:59,447 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:41:59" (1/1) ... [2024-12-06 01:41:59,448 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:41:59" (1/1) ... [2024-12-06 01:41:59,449 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:41:59" (1/1) ... [2024-12-06 01:41:59,451 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:41:59,452 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:41:59,452 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:41:59,452 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:41:59,453 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:41:59" (1/1) ... [2024-12-06 01:41:59,461 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:41:59,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476a7c18-5862-4498-a10e-75fef11e79af/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:41:59,485 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476a7c18-5862-4498-a10e-75fef11e79af/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:41:59,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476a7c18-5862-4498-a10e-75fef11e79af/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:41:59,512 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:41:59,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 01:41:59,513 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:41:59,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:41:59,513 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 01:41:59,513 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 01:41:59,566 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:41:59,568 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:41:59,679 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-12-06 01:41:59,679 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:41:59,698 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:41:59,698 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 01:41:59,698 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:41:59 BoogieIcfgContainer [2024-12-06 01:41:59,698 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:41:59,699 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:41:59,699 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:41:59,709 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:41:59,709 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:41:59" (1/1) ... [2024-12-06 01:41:59,717 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:41:59,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:41:59,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2024-12-06 01:41:59,777 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2024-12-06 01:41:59,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 01:41:59,782 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:41:59,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:41:59,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:41:59,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:41:59,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:41:59,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2024-12-06 01:41:59,912 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2024-12-06 01:41:59,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 01:41:59,913 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:41:59,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:41:59,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:41:59,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:41:59,972 INFO L256 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 01:41:59,978 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:42:00,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:42:00,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:42:00,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 20 states and 29 transitions. [2024-12-06 01:42:00,168 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 29 transitions. [2024-12-06 01:42:00,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 01:42:00,169 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:42:00,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:42:00,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:42:00,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:42:00,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:42:00,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2024-12-06 01:42:00,487 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2024-12-06 01:42:00,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 01:42:00,488 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:42:00,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:42:00,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:42:00,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:42:00,524 INFO L256 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 01:42:00,526 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:42:00,563 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:42:00,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:42:00,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 24 states and 38 transitions. [2024-12-06 01:42:00,622 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 38 transitions. [2024-12-06 01:42:00,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-06 01:42:00,623 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:42:00,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:42:00,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:42:00,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:42:00,671 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 01:42:00,673 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:42:00,769 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:42:00,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:42:00,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 28 states and 45 transitions. [2024-12-06 01:42:00,937 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 45 transitions. [2024-12-06 01:42:00,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-06 01:42:00,938 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:42:00,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:42:00,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:42:01,096 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:42:01,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:42:01,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 52 transitions. [2024-12-06 01:42:01,536 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 52 transitions. [2024-12-06 01:42:01,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-06 01:42:01,537 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:42:01,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:42:01,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:42:01,717 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 01:42:02,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:42:02,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2024-12-06 01:42:02,088 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-12-06 01:42:02,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-06 01:42:02,089 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:42:02,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:42:02,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:42:02,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:42:02,120 INFO L256 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 01:42:02,122 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:42:02,294 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 01:42:03,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:42:03,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 42 states and 73 transitions. [2024-12-06 01:42:03,441 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 73 transitions. [2024-12-06 01:42:03,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 01:42:03,442 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:42:03,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:42:03,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:42:03,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:42:03,479 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-12-06 01:42:03,481 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:42:03,597 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 01:42:03,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:42:03,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 45 states and 79 transitions. [2024-12-06 01:42:03,854 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 79 transitions. [2024-12-06 01:42:03,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 01:42:03,854 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:42:03,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:42:03,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:42:04,009 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 01:42:04,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:42:04,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 49 states and 87 transitions. [2024-12-06 01:42:04,637 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 87 transitions. [2024-12-06 01:42:04,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-06 01:42:04,638 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:42:04,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:42:04,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:42:04,689 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-12-06 01:42:04,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:42:04,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 50 states and 89 transitions. [2024-12-06 01:42:04,880 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 89 transitions. [2024-12-06 01:42:04,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-12-06 01:42:04,881 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:42:04,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:42:04,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:42:04,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:42:04,916 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-12-06 01:42:04,918 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:42:05,266 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 19 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-06 01:42:06,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:42:06,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 59 states and 109 transitions. [2024-12-06 01:42:06,982 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 109 transitions. [2024-12-06 01:42:06,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-06 01:42:06,983 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:42:06,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:42:06,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:42:07,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:42:07,027 INFO L256 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-12-06 01:42:07,029 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:42:07,160 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 5 proven. 28 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-06 01:42:07,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:42:07,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 62 states and 115 transitions. [2024-12-06 01:42:07,461 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 115 transitions. [2024-12-06 01:42:07,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-06 01:42:07,462 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:42:07,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:42:07,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:42:07,670 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-06 01:42:08,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:42:08,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 66 states and 123 transitions. [2024-12-06 01:42:08,526 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 123 transitions. [2024-12-06 01:42:08,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-12-06 01:42:08,527 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:42:08,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:42:08,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:42:08,583 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 01:42:08,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:42:08,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 67 states and 125 transitions. [2024-12-06 01:42:08,836 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 125 transitions. [2024-12-06 01:42:08,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-12-06 01:42:08,837 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:42:08,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:42:08,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:42:08,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:42:08,871 INFO L256 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-12-06 01:42:08,873 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:42:09,103 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 7 proven. 34 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-12-06 01:42:10,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:42:10,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 76 states and 145 transitions. [2024-12-06 01:42:10,939 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 145 transitions. [2024-12-06 01:42:10,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-12-06 01:42:10,940 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:42:10,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:42:10,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:42:10,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:42:10,995 INFO L256 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-12-06 01:42:11,004 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:42:11,149 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 7 proven. 46 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-12-06 01:42:11,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:42:11,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 79 states and 151 transitions. [2024-12-06 01:42:11,532 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 151 transitions. [2024-12-06 01:42:11,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-12-06 01:42:11,533 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:42:11,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:42:11,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:42:11,767 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 32 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-12-06 01:42:12,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:42:12,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 83 states and 159 transitions. [2024-12-06 01:42:12,795 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 159 transitions. [2024-12-06 01:42:12,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-12-06 01:42:12,796 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:42:12,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:42:12,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:42:12,854 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 21 proven. 4 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-12-06 01:42:13,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:42:13,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 84 states and 161 transitions. [2024-12-06 01:42:13,184 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 161 transitions. [2024-12-06 01:42:13,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-12-06 01:42:13,185 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:42:13,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:42:13,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:42:13,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:42:13,222 INFO L256 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-12-06 01:42:13,223 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:42:13,537 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 9 proven. 53 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-12-06 01:42:15,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:42:15,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 93 states and 181 transitions. [2024-12-06 01:42:15,841 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 181 transitions. [2024-12-06 01:42:15,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-12-06 01:42:15,842 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:42:15,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:42:15,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:42:15,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:42:15,929 INFO L256 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-12-06 01:42:15,931 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:42:16,097 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 10 proven. 55 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-12-06 01:42:16,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:42:16,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 96 states and 187 transitions. [2024-12-06 01:42:16,527 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 187 transitions. [2024-12-06 01:42:16,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-12-06 01:42:16,527 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:42:16,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:42:16,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:42:16,792 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 50 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-12-06 01:42:18,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:42:18,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 100 states and 195 transitions. [2024-12-06 01:42:18,072 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 195 transitions. [2024-12-06 01:42:18,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-12-06 01:42:18,072 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:42:18,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:42:18,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:42:18,113 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 27 proven. 4 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2024-12-06 01:42:18,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:42:18,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 101 states and 197 transitions. [2024-12-06 01:42:18,481 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 197 transitions. [2024-12-06 01:42:18,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-12-06 01:42:18,482 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:42:18,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:42:18,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:42:18,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:42:18,522 INFO L256 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-12-06 01:42:18,524 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:42:18,937 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 11 proven. 76 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-12-06 01:42:21,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:42:21,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 110 states and 217 transitions. [2024-12-06 01:42:21,828 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 217 transitions. [2024-12-06 01:42:21,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-12-06 01:42:21,828 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:42:21,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:42:21,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:42:21,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:42:21,985 INFO L256 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-12-06 01:42:21,987 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:42:22,182 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 12 proven. 78 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-12-06 01:42:22,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:42:22,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 113 states and 223 transitions. [2024-12-06 01:42:22,721 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 223 transitions. [2024-12-06 01:42:22,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-12-06 01:42:22,721 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:42:22,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:42:22,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:42:23,053 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 12 proven. 72 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-12-06 01:42:24,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:42:24,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 117 states and 231 transitions. [2024-12-06 01:42:24,614 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 231 transitions. [2024-12-06 01:42:24,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-12-06 01:42:24,615 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:42:24,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:42:24,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:42:24,662 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 33 proven. 4 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2024-12-06 01:42:25,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:42:25,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 118 states and 233 transitions. [2024-12-06 01:42:25,094 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 233 transitions. [2024-12-06 01:42:25,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-12-06 01:42:25,095 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:42:25,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:42:25,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:42:25,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:42:25,142 INFO L256 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-12-06 01:42:25,144 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:42:25,577 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 13 proven. 103 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-12-06 01:42:28,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:42:28,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 127 states and 253 transitions. [2024-12-06 01:42:28,830 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 253 transitions. [2024-12-06 01:42:28,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-12-06 01:42:28,830 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:42:28,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:42:28,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:42:28,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:42:28,878 INFO L256 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 45 conjuncts are in the unsatisfiable core [2024-12-06 01:42:28,880 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:42:29,098 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 33 proven. 116 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-12-06 01:42:29,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:42:29,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 130 states and 259 transitions. [2024-12-06 01:42:29,750 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 259 transitions. [2024-12-06 01:42:29,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-12-06 01:42:29,751 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:42:29,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:42:29,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:42:30,130 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 14 proven. 98 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-12-06 01:42:31,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:42:31,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 134 states and 267 transitions. [2024-12-06 01:42:31,821 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 267 transitions. [2024-12-06 01:42:31,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-12-06 01:42:31,821 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:42:31,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:42:31,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:42:31,885 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 39 proven. 4 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2024-12-06 01:42:32,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:42:32,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 135 states and 269 transitions. [2024-12-06 01:42:32,325 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 269 transitions. [2024-12-06 01:42:32,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-12-06 01:42:32,326 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:42:32,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:42:32,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:42:32,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:42:32,380 INFO L256 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 46 conjuncts are in the unsatisfiable core [2024-12-06 01:42:32,382 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:42:32,879 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 15 proven. 134 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2024-12-06 01:42:36,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:42:36,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 144 states and 289 transitions. [2024-12-06 01:42:36,720 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 289 transitions. [2024-12-06 01:42:36,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-12-06 01:42:36,721 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:42:36,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:42:36,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:42:37,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:42:37,331 INFO L256 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-12-06 01:42:37,332 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:42:38,340 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 36 proven. 137 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2024-12-06 01:42:39,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:42:39,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 147 states and 295 transitions. [2024-12-06 01:42:39,876 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 295 transitions. [2024-12-06 01:42:39,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-12-06 01:42:39,876 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:42:39,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:42:39,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:42:40,284 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 16 proven. 128 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-12-06 01:42:42,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:42:42,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 151 states and 303 transitions. [2024-12-06 01:42:42,211 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 303 transitions. [2024-12-06 01:42:42,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-12-06 01:42:42,211 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:42:42,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:42:42,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:42:42,248 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 45 proven. 4 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2024-12-06 01:42:42,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:42:42,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 152 states and 305 transitions. [2024-12-06 01:42:42,750 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 305 transitions. [2024-12-06 01:42:42,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-12-06 01:42:42,750 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:42:42,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:42:42,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:42:42,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:42:42,806 INFO L256 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 01:42:42,808 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:42:43,358 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 17 proven. 169 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-12-06 01:42:47,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:42:47,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 161 states and 325 transitions. [2024-12-06 01:42:47,794 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 325 transitions. [2024-12-06 01:42:47,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-12-06 01:42:47,795 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:42:47,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:42:47,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:42:48,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:42:48,238 INFO L256 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-12-06 01:42:48,240 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:42:48,616 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 41 proven. 172 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-12-06 01:42:49,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:42:49,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 164 states and 331 transitions. [2024-12-06 01:42:49,643 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 331 transitions. [2024-12-06 01:42:49,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-12-06 01:42:49,643 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:42:49,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:42:49,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:42:50,115 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 18 proven. 162 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-12-06 01:42:52,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:42:52,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 168 states and 339 transitions. [2024-12-06 01:42:52,251 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 339 transitions. [2024-12-06 01:42:52,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-12-06 01:42:52,252 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:42:52,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:42:52,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:42:52,291 INFO L134 CoverageAnalysis]: Checked inductivity of 344 backedges. 51 proven. 4 refuted. 0 times theorem prover too weak. 289 trivial. 0 not checked. [2024-12-06 01:42:52,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:42:52,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 169 states and 341 transitions. [2024-12-06 01:42:52,913 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 341 transitions. [2024-12-06 01:42:52,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-12-06 01:42:52,914 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:42:52,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:42:52,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:42:52,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:42:52,961 INFO L256 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 54 conjuncts are in the unsatisfiable core [2024-12-06 01:42:52,963 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:42:53,539 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 19 proven. 208 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2024-12-06 01:42:58,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:42:58,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 178 states and 361 transitions. [2024-12-06 01:42:58,295 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 361 transitions. [2024-12-06 01:42:58,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-12-06 01:42:58,295 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:42:58,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:42:58,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:42:58,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:42:58,429 INFO L256 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-12-06 01:42:58,431 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:42:58,834 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 46 proven. 211 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2024-12-06 01:42:59,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:42:59,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 181 states and 367 transitions. [2024-12-06 01:42:59,948 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 367 transitions. [2024-12-06 01:42:59,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-12-06 01:42:59,949 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:42:59,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:42:59,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:43:00,504 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 20 proven. 200 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-12-06 01:43:02,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:43:02,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 185 states and 375 transitions. [2024-12-06 01:43:02,786 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 375 transitions. [2024-12-06 01:43:02,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-12-06 01:43:02,786 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:43:02,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:43:02,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:43:02,824 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 57 proven. 4 refuted. 0 times theorem prover too weak. 361 trivial. 0 not checked. [2024-12-06 01:43:03,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:43:03,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 186 states and 377 transitions. [2024-12-06 01:43:03,428 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 377 transitions. [2024-12-06 01:43:03,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-12-06 01:43:03,428 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:43:03,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:43:03,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:43:03,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:43:03,477 INFO L256 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 58 conjuncts are in the unsatisfiable core [2024-12-06 01:43:03,478 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:43:04,207 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 21 proven. 251 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-12-06 01:43:09,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:43:09,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 195 states and 397 transitions. [2024-12-06 01:43:09,778 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 397 transitions. [2024-12-06 01:43:09,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-12-06 01:43:09,778 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:43:09,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:43:09,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:43:10,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:43:10,684 INFO L256 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 56 conjuncts are in the unsatisfiable core [2024-12-06 01:43:10,686 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:43:11,151 INFO L134 CoverageAnalysis]: Checked inductivity of 495 backedges. 47 proven. 282 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2024-12-06 01:43:12,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:43:12,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 198 states and 403 transitions. [2024-12-06 01:43:12,402 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 403 transitions. [2024-12-06 01:43:12,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-12-06 01:43:12,402 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:43:12,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:43:12,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:43:12,976 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 22 proven. 242 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-06 01:43:15,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:43:15,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 202 states and 411 transitions. [2024-12-06 01:43:15,514 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 411 transitions. [2024-12-06 01:43:15,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-12-06 01:43:15,515 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:43:15,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:43:15,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:43:15,566 INFO L134 CoverageAnalysis]: Checked inductivity of 508 backedges. 63 proven. 4 refuted. 0 times theorem prover too weak. 441 trivial. 0 not checked. [2024-12-06 01:43:16,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:43:16,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 203 states and 413 transitions. [2024-12-06 01:43:16,181 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 413 transitions. [2024-12-06 01:43:16,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-12-06 01:43:16,182 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:43:16,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:43:16,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:43:16,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:43:16,272 INFO L256 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 52 conjuncts are in the unsatisfiable core [2024-12-06 01:43:16,274 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:43:16,980 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 24 proven. 264 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-12-06 01:43:23,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:43:23,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 212 states and 433 transitions. [2024-12-06 01:43:23,222 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 433 transitions. [2024-12-06 01:43:23,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-12-06 01:43:23,223 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:43:23,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:43:23,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:43:23,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:43:23,286 INFO L256 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-12-06 01:43:23,288 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:43:23,765 INFO L134 CoverageAnalysis]: Checked inductivity of 588 backedges. 56 proven. 301 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2024-12-06 01:43:25,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:43:25,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 215 states and 439 transitions. [2024-12-06 01:43:25,086 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 439 transitions. [2024-12-06 01:43:25,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-12-06 01:43:25,087 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:43:25,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:43:25,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:43:25,688 INFO L134 CoverageAnalysis]: Checked inductivity of 576 backedges. 24 proven. 288 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-12-06 01:43:28,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:43:28,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 219 states and 447 transitions. [2024-12-06 01:43:28,670 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 447 transitions. [2024-12-06 01:43:28,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-12-06 01:43:28,671 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:43:28,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:43:28,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:43:28,713 INFO L134 CoverageAnalysis]: Checked inductivity of 602 backedges. 69 proven. 4 refuted. 0 times theorem prover too weak. 529 trivial. 0 not checked. [2024-12-06 01:43:29,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:43:29,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 220 states and 449 transitions. [2024-12-06 01:43:29,439 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 449 transitions. [2024-12-06 01:43:29,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-12-06 01:43:29,439 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:43:29,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:43:29,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:43:29,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:43:29,497 INFO L256 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 56 conjuncts are in the unsatisfiable core [2024-12-06 01:43:29,499 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:43:30,313 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 26 proven. 312 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-12-06 01:43:36,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:43:36,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 229 states and 469 transitions. [2024-12-06 01:43:36,618 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 469 transitions. [2024-12-06 01:43:36,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-12-06 01:43:36,619 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:43:36,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:43:36,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:43:36,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:43:36,757 INFO L256 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 89 conjuncts are in the unsatisfiable core [2024-12-06 01:43:36,759 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:43:37,172 INFO L134 CoverageAnalysis]: Checked inductivity of 689 backedges. 86 proven. 417 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-12-06 01:43:38,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:43:38,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 232 states and 475 transitions. [2024-12-06 01:43:38,520 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 475 transitions. [2024-12-06 01:43:38,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-12-06 01:43:38,521 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:43:38,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:43:38,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:43:39,176 INFO L134 CoverageAnalysis]: Checked inductivity of 676 backedges. 26 proven. 338 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-12-06 01:43:42,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:43:42,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 236 states and 483 transitions. [2024-12-06 01:43:42,370 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 483 transitions. [2024-12-06 01:43:42,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-12-06 01:43:42,370 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:43:42,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:43:42,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:43:42,415 INFO L134 CoverageAnalysis]: Checked inductivity of 704 backedges. 75 proven. 4 refuted. 0 times theorem prover too weak. 625 trivial. 0 not checked. [2024-12-06 01:43:43,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:43:43,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 237 states and 485 transitions. [2024-12-06 01:43:43,154 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 485 transitions. [2024-12-06 01:43:43,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-12-06 01:43:43,154 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:43:43,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:43:43,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:43:43,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:43:43,213 INFO L256 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 60 conjuncts are in the unsatisfiable core [2024-12-06 01:43:43,215 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:43:44,103 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 28 proven. 364 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-12-06 01:43:51,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:43:51,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 246 states and 505 transitions. [2024-12-06 01:43:51,507 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 505 transitions. [2024-12-06 01:43:51,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-12-06 01:43:51,507 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:43:51,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:43:51,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:43:57,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:43:57,737 INFO L256 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 44 conjuncts are in the unsatisfiable core [2024-12-06 01:43:57,739 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:43:58,039 INFO L134 CoverageAnalysis]: Checked inductivity of 798 backedges. 60 proven. 413 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2024-12-06 01:43:59,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:43:59,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 249 states and 511 transitions. [2024-12-06 01:43:59,376 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 511 transitions. [2024-12-06 01:43:59,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-12-06 01:43:59,376 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:43:59,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:43:59,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:44:00,212 INFO L134 CoverageAnalysis]: Checked inductivity of 784 backedges. 28 proven. 392 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-12-06 01:44:03,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:44:03,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 253 states and 519 transitions. [2024-12-06 01:44:03,561 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 519 transitions. [2024-12-06 01:44:03,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-12-06 01:44:03,601 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:44:03,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:44:03,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:44:03,648 INFO L134 CoverageAnalysis]: Checked inductivity of 814 backedges. 81 proven. 4 refuted. 0 times theorem prover too weak. 729 trivial. 0 not checked. [2024-12-06 01:44:04,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:44:04,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 254 states and 521 transitions. [2024-12-06 01:44:04,417 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 521 transitions. [2024-12-06 01:44:04,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-12-06 01:44:04,417 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:44:04,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:44:04,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:44:04,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:44:04,481 INFO L256 TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 74 conjuncts are in the unsatisfiable core [2024-12-06 01:44:04,482 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:44:05,412 INFO L134 CoverageAnalysis]: Checked inductivity of 870 backedges. 29 proven. 463 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2024-12-06 01:44:13,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:44:13,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 263 states and 541 transitions. [2024-12-06 01:44:13,303 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 541 transitions. [2024-12-06 01:44:13,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-12-06 01:44:13,303 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:44:13,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:44:13,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:44:13,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:44:13,379 INFO L256 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-12-06 01:44:13,381 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:44:14,252 INFO L134 CoverageAnalysis]: Checked inductivity of 915 backedges. 106 proven. 467 refuted. 0 times theorem prover too weak. 342 trivial. 0 not checked. [2024-12-06 01:44:16,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:44:16,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 266 states and 547 transitions. [2024-12-06 01:44:16,223 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 547 transitions. [2024-12-06 01:44:16,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-12-06 01:44:16,224 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:44:16,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:44:16,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:44:16,987 INFO L134 CoverageAnalysis]: Checked inductivity of 900 backedges. 30 proven. 450 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-12-06 01:44:20,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:44:20,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 270 states and 555 transitions. [2024-12-06 01:44:20,687 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 555 transitions. [2024-12-06 01:44:20,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-12-06 01:44:20,687 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:44:20,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:44:20,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:44:20,760 INFO L134 CoverageAnalysis]: Checked inductivity of 932 backedges. 87 proven. 4 refuted. 0 times theorem prover too weak. 841 trivial. 0 not checked. [2024-12-06 01:44:21,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:44:21,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 271 states and 557 transitions. [2024-12-06 01:44:21,560 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 557 transitions. [2024-12-06 01:44:21,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-12-06 01:44:21,561 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:44:21,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:44:21,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:44:21,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:44:21,629 INFO L256 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 78 conjuncts are in the unsatisfiable core [2024-12-06 01:44:21,632 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:44:22,624 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 31 proven. 526 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2024-12-06 01:44:31,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:44:31,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 280 states and 577 transitions. [2024-12-06 01:44:31,488 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 577 transitions. [2024-12-06 01:44:31,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-12-06 01:44:31,488 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:44:31,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:44:31,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:44:32,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:44:32,311 INFO L256 TraceCheckSpWp]: Trace formula consists of 381 conjuncts, 44 conjuncts are in the unsatisfiable core [2024-12-06 01:44:32,313 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:44:33,201 INFO L134 CoverageAnalysis]: Checked inductivity of 1040 backedges. 76 proven. 529 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2024-12-06 01:44:35,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:44:35,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 283 states and 583 transitions. [2024-12-06 01:44:35,369 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 583 transitions. [2024-12-06 01:44:35,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-12-06 01:44:35,369 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:44:35,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:44:35,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:44:36,196 INFO L134 CoverageAnalysis]: Checked inductivity of 1024 backedges. 32 proven. 512 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-12-06 01:44:40,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:44:40,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 287 states and 591 transitions. [2024-12-06 01:44:40,443 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 591 transitions. [2024-12-06 01:44:40,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-12-06 01:44:40,443 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:44:40,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:44:40,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:44:40,498 INFO L134 CoverageAnalysis]: Checked inductivity of 1058 backedges. 93 proven. 4 refuted. 0 times theorem prover too weak. 961 trivial. 0 not checked. [2024-12-06 01:44:41,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:44:41,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 288 states and 593 transitions. [2024-12-06 01:44:41,420 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 593 transitions. [2024-12-06 01:44:41,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-12-06 01:44:41,421 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:44:41,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:44:41,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:44:41,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:44:41,504 INFO L256 TraceCheckSpWp]: Trace formula consists of 391 conjuncts, 82 conjuncts are in the unsatisfiable core [2024-12-06 01:44:41,508 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:44:42,597 INFO L134 CoverageAnalysis]: Checked inductivity of 1122 backedges. 33 proven. 593 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2024-12-06 01:44:51,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:44:51,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 297 states and 613 transitions. [2024-12-06 01:44:51,774 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 613 transitions. [2024-12-06 01:44:51,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-12-06 01:44:51,774 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:44:51,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:44:51,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:44:51,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:44:51,870 INFO L256 TraceCheckSpWp]: Trace formula consists of 402 conjuncts, 117 conjuncts are in the unsatisfiable core [2024-12-06 01:44:51,873 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:44:52,450 INFO L134 CoverageAnalysis]: Checked inductivity of 1173 backedges. 175 proven. 670 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked. [2024-12-06 01:44:54,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:44:54,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 300 states and 619 transitions. [2024-12-06 01:44:54,275 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 619 transitions. [2024-12-06 01:44:54,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-12-06 01:44:54,276 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:44:54,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:44:54,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:44:55,242 INFO L134 CoverageAnalysis]: Checked inductivity of 1156 backedges. 34 proven. 578 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-06 01:44:59,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:44:59,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 304 states and 627 transitions. [2024-12-06 01:44:59,420 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 627 transitions. [2024-12-06 01:44:59,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-12-06 01:44:59,421 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:44:59,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:44:59,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:44:59,481 INFO L134 CoverageAnalysis]: Checked inductivity of 1192 backedges. 99 proven. 4 refuted. 0 times theorem prover too weak. 1089 trivial. 0 not checked. [2024-12-06 01:45:00,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:45:00,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 629 states to 305 states and 629 transitions. [2024-12-06 01:45:00,427 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 629 transitions. [2024-12-06 01:45:00,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-12-06 01:45:00,428 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:45:00,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:45:00,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:45:00,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:45:00,499 INFO L256 TraceCheckSpWp]: Trace formula consists of 412 conjuncts, 76 conjuncts are in the unsatisfiable core [2024-12-06 01:45:00,501 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:45:01,666 INFO L134 CoverageAnalysis]: Checked inductivity of 1260 backedges. 36 proven. 612 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-12-06 01:45:11,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:45:11,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 649 states to 314 states and 649 transitions. [2024-12-06 01:45:11,513 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 649 transitions. [2024-12-06 01:45:11,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-12-06 01:45:11,514 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:45:11,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:45:11,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:45:21,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:45:21,598 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 01:45:21,601 INFO L158 Benchmark]: Toolchain (without parser) took 202389.52ms. Allocated memory was 142.6MB in the beginning and 1.5GB in the end (delta: 1.3GB). Free memory was 117.1MB in the beginning and 646.3MB in the end (delta: -529.2MB). Peak memory consumption was 782.2MB. Max. memory is 16.1GB. [2024-12-06 01:45:21,602 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 142.6MB. Free memory is still 83.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:45:21,602 INFO L158 Benchmark]: CACSL2BoogieTranslator took 188.58ms. Allocated memory is still 142.6MB. Free memory was 116.8MB in the beginning and 105.9MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:45:21,602 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.98ms. Allocated memory is still 142.6MB. Free memory was 105.9MB in the beginning and 104.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:45:21,602 INFO L158 Benchmark]: Boogie Preprocessor took 19.41ms. Allocated memory is still 142.6MB. Free memory was 104.8MB in the beginning and 103.9MB in the end (delta: 840.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:45:21,602 INFO L158 Benchmark]: RCFGBuilder took 246.80ms. Allocated memory is still 142.6MB. Free memory was 103.9MB in the beginning and 92.7MB in the end (delta: 11.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 01:45:21,603 INFO L158 Benchmark]: CodeCheck took 201901.29ms. Allocated memory was 142.6MB in the beginning and 1.5GB in the end (delta: 1.3GB). Free memory was 92.7MB in the beginning and 646.3MB in the end (delta: -553.6MB). Peak memory consumption was 757.1MB. Max. memory is 16.1GB. [2024-12-06 01:45:21,604 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 0.32ms. Allocated memory is still 142.6MB. Free memory is still 83.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 188.58ms. Allocated memory is still 142.6MB. Free memory was 116.8MB in the beginning and 105.9MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.98ms. Allocated memory is still 142.6MB. Free memory was 105.9MB in the beginning and 104.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 19.41ms. Allocated memory is still 142.6MB. Free memory was 104.8MB in the beginning and 103.9MB in the end (delta: 840.9kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 246.80ms. Allocated memory is still 142.6MB. Free memory was 103.9MB in the beginning and 92.7MB in the end (delta: 11.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 201901.29ms. Allocated memory was 142.6MB in the beginning and 1.5GB in the end (delta: 1.3GB). Free memory was 92.7MB in the beginning and 646.3MB in the end (delta: -553.6MB). Peak memory consumption was 757.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 01:45:21,654 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476a7c18-5862-4498-a10e-75fef11e79af/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476a7c18-5862-4498-a10e-75fef11e79af/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476a7c18-5862-4498-a10e-75fef11e79af/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_476a7c18-5862-4498-a10e-75fef11e79af/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476a7c18-5862-4498-a10e-75fef11e79af/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476a7c18-5862-4498-a10e-75fef11e79af/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_476a7c18-5862-4498-a10e-75fef11e79af/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 99e5cccea54789cc7c8b01ece41ae38ca7afc8c38f73e2884988b8ff4c6bfc25 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:45:23,675 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:45:23,757 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476a7c18-5862-4498-a10e-75fef11e79af/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 01:45:23,784 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:45:23,785 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:45:23,785 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:45:23,785 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:45:23,786 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:45:23,786 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:45:23,786 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:45:23,786 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 01:45:23,786 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 01:45:23,786 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:45:23,787 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:45:23,787 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:45:23,787 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:45:23,787 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 01:45:23,787 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 01:45:23,787 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 01:45:23,788 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 01:45:23,788 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:45:23,788 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:45:23,788 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:45:23,788 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:45:23,788 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:45:23,789 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:45:23,789 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 01:45:23,789 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 01:45:23,789 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:45:23,789 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:45:23,789 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:45:23,789 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:45:23,789 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:45:23,790 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 01:45:23,790 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 01:45:23,790 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 01:45:23,790 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_476a7c18-5862-4498-a10e-75fef11e79af/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 -> 99e5cccea54789cc7c8b01ece41ae38ca7afc8c38f73e2884988b8ff4c6bfc25 [2024-12-06 01:45:24,044 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:45:24,053 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:45:24,056 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:45:24,057 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:45:24,058 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:45:24,059 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476a7c18-5862-4498-a10e-75fef11e79af/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound20.c [2024-12-06 01:45:26,917 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476a7c18-5862-4498-a10e-75fef11e79af/bin/ukojak-verify-CZk0znPC7b/data/52de17954/da88ef2c8d91470692ba453be9af9eb2/FLAG322eeb99f [2024-12-06 01:45:27,114 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:45:27,114 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476a7c18-5862-4498-a10e-75fef11e79af/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound20.c [2024-12-06 01:45:27,121 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476a7c18-5862-4498-a10e-75fef11e79af/bin/ukojak-verify-CZk0znPC7b/data/52de17954/da88ef2c8d91470692ba453be9af9eb2/FLAG322eeb99f [2024-12-06 01:45:27,135 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476a7c18-5862-4498-a10e-75fef11e79af/bin/ukojak-verify-CZk0znPC7b/data/52de17954/da88ef2c8d91470692ba453be9af9eb2 [2024-12-06 01:45:27,137 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:45:27,138 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:45:27,140 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:45:27,140 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:45:27,144 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:45:27,145 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:45:27" (1/1) ... [2024-12-06 01:45:27,145 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ec17538 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:45:27, skipping insertion in model container [2024-12-06 01:45:27,146 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:45:27" (1/1) ... [2024-12-06 01:45:27,161 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:45:27,302 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_476a7c18-5862-4498-a10e-75fef11e79af/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound20.c[458,471] [2024-12-06 01:45:27,318 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:45:27,327 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:45:27,337 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_476a7c18-5862-4498-a10e-75fef11e79af/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound20.c[458,471] [2024-12-06 01:45:27,344 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:45:27,358 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:45:27,358 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:45:27 WrapperNode [2024-12-06 01:45:27,358 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:45:27,359 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:45:27,359 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:45:27,359 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:45:27,366 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:45:27" (1/1) ... [2024-12-06 01:45:27,372 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:45:27" (1/1) ... [2024-12-06 01:45:27,385 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 37 [2024-12-06 01:45:27,385 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:45:27,386 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:45:27,386 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:45:27,386 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:45:27,392 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:45:27" (1/1) ... [2024-12-06 01:45:27,393 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:45:27" (1/1) ... [2024-12-06 01:45:27,395 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:45:27" (1/1) ... [2024-12-06 01:45:27,395 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:45:27" (1/1) ... [2024-12-06 01:45:27,400 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:45:27" (1/1) ... [2024-12-06 01:45:27,401 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:45:27" (1/1) ... [2024-12-06 01:45:27,405 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:45:27" (1/1) ... [2024-12-06 01:45:27,406 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:45:27" (1/1) ... [2024-12-06 01:45:27,407 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:45:27" (1/1) ... [2024-12-06 01:45:27,408 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:45:27,409 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:45:27,409 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:45:27,409 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:45:27,411 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:45:27" (1/1) ... [2024-12-06 01:45:27,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:45:27,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476a7c18-5862-4498-a10e-75fef11e79af/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:45:27,438 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476a7c18-5862-4498-a10e-75fef11e79af/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:45:27,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476a7c18-5862-4498-a10e-75fef11e79af/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:45:27,466 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:45:27,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 01:45:27,466 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:45:27,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:45:27,466 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 01:45:27,466 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 01:45:27,514 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:45:27,516 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:45:27,703 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-12-06 01:45:27,703 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:45:27,730 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:45:27,730 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 01:45:27,731 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:45:27 BoogieIcfgContainer [2024-12-06 01:45:27,731 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:45:27,731 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:45:27,732 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:45:27,740 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:45:27,740 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:45:27" (1/1) ... [2024-12-06 01:45:27,747 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:45:27,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:45:27,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2024-12-06 01:45:27,790 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2024-12-06 01:45:27,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 01:45:27,795 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:45:27,796 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:45:27,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476a7c18-5862-4498-a10e-75fef11e79af/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:45:27,798 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476a7c18-5862-4498-a10e-75fef11e79af/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:45:27,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476a7c18-5862-4498-a10e-75fef11e79af/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 01:45:27,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:45:27,866 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:45:27,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:45:27,918 INFO L256 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-06 01:45:27,920 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:45:27,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:45:27,938 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476a7c18-5862-4498-a10e-75fef11e79af/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 01:45:27,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:45:27,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2024-12-06 01:45:27,955 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2024-12-06 01:45:27,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 01:45:27,956 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:45:27,956 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:45:27,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476a7c18-5862-4498-a10e-75fef11e79af/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:45:27,958 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476a7c18-5862-4498-a10e-75fef11e79af/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:45:27,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476a7c18-5862-4498-a10e-75fef11e79af/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 01:45:28,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:45:28,211 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:45:28,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:45:28,350 INFO L256 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-06 01:45:28,353 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:45:28,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:45:28,584 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476a7c18-5862-4498-a10e-75fef11e79af/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 01:45:29,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:45:29,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 20 states and 30 transitions. [2024-12-06 01:45:29,998 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 30 transitions. [2024-12-06 01:45:29,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 01:45:29,998 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:45:29,999 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:45:29,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476a7c18-5862-4498-a10e-75fef11e79af/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:45:30,000 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476a7c18-5862-4498-a10e-75fef11e79af/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:45:30,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476a7c18-5862-4498-a10e-75fef11e79af/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 01:45:30,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:45:30,125 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:45:30,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:45:30,162 INFO L256 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 01:45:30,163 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:45:30,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:45:30,260 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476a7c18-5862-4498-a10e-75fef11e79af/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-06 01:45:30,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:45:30,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-12-06 01:45:30,676 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-12-06 01:45:30,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 01:45:30,677 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:45:30,677 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:45:30,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476a7c18-5862-4498-a10e-75fef11e79af/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:45:30,679 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476a7c18-5862-4498-a10e-75fef11e79af/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:45:30,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476a7c18-5862-4498-a10e-75fef11e79af/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-06 01:45:30,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:45:30,966 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:45:31,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:45:31,081 INFO L256 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 01:45:31,083 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:45:31,356 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:45:31,360 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476a7c18-5862-4498-a10e-75fef11e79af/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-06 01:45:33,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:45:33,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 25 states and 43 transitions. [2024-12-06 01:45:33,263 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 43 transitions. [2024-12-06 01:45:33,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-06 01:45:33,264 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:45:33,264 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:45:33,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476a7c18-5862-4498-a10e-75fef11e79af/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:45:33,265 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476a7c18-5862-4498-a10e-75fef11e79af/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:45:33,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476a7c18-5862-4498-a10e-75fef11e79af/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-06 01:45:33,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:45:33,660 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:45:33,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:45:33,851 INFO L256 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 01:45:33,853 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:45:34,198 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:45:34,204 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476a7c18-5862-4498-a10e-75fef11e79af/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-12-06 01:45:36,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:45:36,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 29 states and 50 transitions. [2024-12-06 01:45:36,507 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 50 transitions. [2024-12-06 01:45:36,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-06 01:45:36,507 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:45:36,507 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:45:36,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476a7c18-5862-4498-a10e-75fef11e79af/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:45:36,509 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476a7c18-5862-4498-a10e-75fef11e79af/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:45:36,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476a7c18-5862-4498-a10e-75fef11e79af/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-06 01:45:36,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:45:36,881 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:45:37,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:45:37,036 INFO L256 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 01:45:37,036 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:45:37,427 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:45:37,433 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476a7c18-5862-4498-a10e-75fef11e79af/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-12-06 01:45:45,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:45:45,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 37 states and 72 transitions. [2024-12-06 01:45:45,277 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 72 transitions. [2024-12-06 01:45:45,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-06 01:45:45,277 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:45:45,277 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:45:45,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476a7c18-5862-4498-a10e-75fef11e79af/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:45:45,279 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476a7c18-5862-4498-a10e-75fef11e79af/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:45:45,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476a7c18-5862-4498-a10e-75fef11e79af/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-06 01:45:45,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:45:45,320 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:45:45,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:45:45,413 INFO L256 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-06 01:45:45,415 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:46:04,134 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 01:46:04,135 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476a7c18-5862-4498-a10e-75fef11e79af/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-12-06 01:46:45,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:46:45,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 39 states and 81 transitions. [2024-12-06 01:46:45,440 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 81 transitions. [2024-12-06 01:46:45,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-06 01:46:45,441 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:46:45,441 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:46:45,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476a7c18-5862-4498-a10e-75fef11e79af/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:46:45,443 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476a7c18-5862-4498-a10e-75fef11e79af/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:46:45,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476a7c18-5862-4498-a10e-75fef11e79af/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-12-06 01:46:45,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:46:45,897 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:46:46,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:46:46,175 INFO L256 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 01:46:46,176 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:46:48,764 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 01:46:48,771 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476a7c18-5862-4498-a10e-75fef11e79af/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-12-06 01:47:12,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:47:12,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 48 states and 110 transitions. [2024-12-06 01:47:12,941 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 110 transitions. [2024-12-06 01:47:12,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 01:47:12,942 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:47:12,942 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:47:12,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476a7c18-5862-4498-a10e-75fef11e79af/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:47:12,944 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476a7c18-5862-4498-a10e-75fef11e79af/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:47:12,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476a7c18-5862-4498-a10e-75fef11e79af/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-12-06 01:47:13,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:47:13,694 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:47:13,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:47:14,020 INFO L256 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 01:47:14,022 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:47:15,235 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 01:47:15,243 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476a7c18-5862-4498-a10e-75fef11e79af/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-12-06 01:47:24,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:47:24,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 52 states and 120 transitions. [2024-12-06 01:47:24,637 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 120 transitions. [2024-12-06 01:47:24,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 01:47:24,637 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:47:24,638 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:47:24,638 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476a7c18-5862-4498-a10e-75fef11e79af/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:47:24,640 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476a7c18-5862-4498-a10e-75fef11e79af/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:47:24,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476a7c18-5862-4498-a10e-75fef11e79af/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-12-06 01:47:25,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:47:25,298 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:47:25,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:47:25,658 INFO L256 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 01:47:25,659 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:47:29,082 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:47:29,091 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476a7c18-5862-4498-a10e-75fef11e79af/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-12-06 01:47:59,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:47:59,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 60 states and 154 transitions. [2024-12-06 01:47:59,547 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 154 transitions. [2024-12-06 01:47:59,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-06 01:47:59,548 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:47:59,548 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:47:59,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476a7c18-5862-4498-a10e-75fef11e79af/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:47:59,550 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476a7c18-5862-4498-a10e-75fef11e79af/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:47:59,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476a7c18-5862-4498-a10e-75fef11e79af/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-12-06 01:47:59,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:47:59,597 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:47:59,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:47:59,795 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-06 01:47:59,796 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:48:02,381 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-12-06 01:48:02,382 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476a7c18-5862-4498-a10e-75fef11e79af/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-12-06 01:48:29,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:48:29,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 61 states and 160 transitions. [2024-12-06 01:48:29,619 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 160 transitions. [2024-12-06 01:48:29,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-12-06 01:48:29,620 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:48:29,620 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:48:29,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476a7c18-5862-4498-a10e-75fef11e79af/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:48:29,622 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476a7c18-5862-4498-a10e-75fef11e79af/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:48:29,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476a7c18-5862-4498-a10e-75fef11e79af/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-12-06 01:48:30,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:48:30,248 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:48:30,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:48:30,578 INFO L256 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 01:48:30,579 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:48:33,425 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 19 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-06 01:48:33,433 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476a7c18-5862-4498-a10e-75fef11e79af/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-12-06 01:48:55,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:48:55,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 66 states and 187 transitions. [2024-12-06 01:48:55,387 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 187 transitions. [2024-12-06 01:48:55,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-06 01:48:55,389 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:48:55,389 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:48:55,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476a7c18-5862-4498-a10e-75fef11e79af/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:48:55,391 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476a7c18-5862-4498-a10e-75fef11e79af/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:48:55,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476a7c18-5862-4498-a10e-75fef11e79af/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-12-06 01:48:56,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:48:56,239 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:48:56,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:48:56,650 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-06 01:48:56,652 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:48:58,396 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 5 proven. 28 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-06 01:48:58,407 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476a7c18-5862-4498-a10e-75fef11e79af/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-12-06 01:49:11,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:49:11,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 70 states and 199 transitions. [2024-12-06 01:49:11,223 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 199 transitions. [2024-12-06 01:49:11,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-06 01:49:11,225 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:49:11,225 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:49:11,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476a7c18-5862-4498-a10e-75fef11e79af/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:49:11,227 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476a7c18-5862-4498-a10e-75fef11e79af/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:49:11,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476a7c18-5862-4498-a10e-75fef11e79af/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-12-06 01:49:12,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:49:12,038 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:49:12,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:49:12,406 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 01:49:12,407 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:49:18,539 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:49:18,550 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476a7c18-5862-4498-a10e-75fef11e79af/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-12-06 01:49:40,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:49:40,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 74 states and 207 transitions. [2024-12-06 01:49:40,472 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 207 transitions. [2024-12-06 01:49:40,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-12-06 01:49:40,473 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:49:40,473 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:49:40,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476a7c18-5862-4498-a10e-75fef11e79af/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:49:40,475 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476a7c18-5862-4498-a10e-75fef11e79af/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:49:40,476 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476a7c18-5862-4498-a10e-75fef11e79af/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-12-06 01:49:40,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:49:40,520 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:49:40,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:49:40,793 INFO L256 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-06 01:49:40,795 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:49:43,931 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 01:49:43,933 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476a7c18-5862-4498-a10e-75fef11e79af/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-12-06 01:50:20,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:50:20,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 75 states and 213 transitions. [2024-12-06 01:50:20,419 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 213 transitions. [2024-12-06 01:50:20,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-12-06 01:50:20,421 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:50:20,421 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:50:20,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476a7c18-5862-4498-a10e-75fef11e79af/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:50:20,423 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476a7c18-5862-4498-a10e-75fef11e79af/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:50:20,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476a7c18-5862-4498-a10e-75fef11e79af/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-12-06 01:50:21,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:50:21,334 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:50:21,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:50:21,798 INFO L256 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-06 01:50:21,799 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:50:25,790 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 7 proven. 34 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-12-06 01:50:25,801 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476a7c18-5862-4498-a10e-75fef11e79af/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-12-06 01:50:55,471 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 01:50:58,194 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 01:50:58,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:50:58,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 80 states and 240 transitions. [2024-12-06 01:50:58,731 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 240 transitions. [2024-12-06 01:50:58,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-12-06 01:50:58,732 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:50:58,732 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:50:58,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476a7c18-5862-4498-a10e-75fef11e79af/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:50:58,734 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476a7c18-5862-4498-a10e-75fef11e79af/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:50:58,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476a7c18-5862-4498-a10e-75fef11e79af/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-12-06 01:50:59,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:50:59,907 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:51:00,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:51:00,482 INFO L256 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 01:51:00,484 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:51:03,111 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 7 proven. 46 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-12-06 01:51:03,127 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476a7c18-5862-4498-a10e-75fef11e79af/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-12-06 01:51:20,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:51:20,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 84 states and 252 transitions. [2024-12-06 01:51:20,379 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 252 transitions. [2024-12-06 01:51:20,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-12-06 01:51:20,380 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:51:20,380 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:51:20,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476a7c18-5862-4498-a10e-75fef11e79af/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:51:20,382 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476a7c18-5862-4498-a10e-75fef11e79af/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:51:20,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476a7c18-5862-4498-a10e-75fef11e79af/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-12-06 01:51:21,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:51:21,471 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:51:21,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:51:21,978 INFO L256 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 01:51:21,979 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:51:27,482 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:51:27,494 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476a7c18-5862-4498-a10e-75fef11e79af/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-12-06 01:52:27,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:52:27,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 92 states and 304 transitions. [2024-12-06 01:52:27,107 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 304 transitions. [2024-12-06 01:52:27,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-12-06 01:52:27,107 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:52:27,107 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:52:27,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476a7c18-5862-4498-a10e-75fef11e79af/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:52:27,109 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476a7c18-5862-4498-a10e-75fef11e79af/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:52:27,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476a7c18-5862-4498-a10e-75fef11e79af/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-12-06 01:52:27,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:52:27,161 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:52:27,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:52:27,532 INFO L256 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-06 01:52:27,533 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:52:30,059 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 21 proven. 4 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-12-06 01:52:30,061 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476a7c18-5862-4498-a10e-75fef11e79af/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Forceful destruction successful, exit code 0 [2024-12-06 01:53:14,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:53:14,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 93 states and 311 transitions. [2024-12-06 01:53:14,685 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 311 transitions. [2024-12-06 01:53:14,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-12-06 01:53:14,686 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:53:14,686 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:53:14,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476a7c18-5862-4498-a10e-75fef11e79af/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:53:14,688 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476a7c18-5862-4498-a10e-75fef11e79af/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:53:14,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476a7c18-5862-4498-a10e-75fef11e79af/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-12-06 01:53:15,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:53:15,996 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:53:16,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:53:16,597 INFO L256 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 01:53:16,599 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:53:28,180 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 9 proven. 53 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-12-06 01:53:28,195 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476a7c18-5862-4498-a10e-75fef11e79af/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-12-06 01:54:22,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:54:22,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 98 states and 344 transitions. [2024-12-06 01:54:22,153 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 344 transitions. [2024-12-06 01:54:22,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-12-06 01:54:22,155 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:54:22,155 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:54:22,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476a7c18-5862-4498-a10e-75fef11e79af/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:54:22,157 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476a7c18-5862-4498-a10e-75fef11e79af/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:54:22,158 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476a7c18-5862-4498-a10e-75fef11e79af/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-12-06 01:54:23,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:54:23,628 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:54:24,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:54:24,338 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-12-06 01:54:24,340 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:54:28,668 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 17 proven. 66 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-06 01:54:28,685 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476a7c18-5862-4498-a10e-75fef11e79af/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (22)] Forceful destruction successful, exit code 0 [2024-12-06 01:54:53,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:54:53,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 102 states and 358 transitions. [2024-12-06 01:54:53,118 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 358 transitions. [2024-12-06 01:54:53,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-12-06 01:54:53,118 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:54:53,118 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:54:53,118 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476a7c18-5862-4498-a10e-75fef11e79af/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:54:53,120 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476a7c18-5862-4498-a10e-75fef11e79af/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:54:53,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476a7c18-5862-4498-a10e-75fef11e79af/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-12-06 01:54:54,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:54:54,575 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:54:55,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:54:55,211 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-06 01:54:55,212 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:55:06,670 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:55:06,688 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_476a7c18-5862-4498-a10e-75fef11e79af/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0