./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound100.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_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 787aa3251fe70c0757344936f9e5c92841f1fb61138cb758df556e9684a50783 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:05:44,881 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:05:44,960 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 03:05:44,964 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 03:05:44,965 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 03:05:44,985 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:05:44,985 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:05:44,985 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:05:44,986 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:05:44,986 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:05:44,986 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:05:44,986 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:05:44,986 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 03:05:44,986 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 03:05:44,986 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 03:05:44,987 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:05:44,987 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:05:44,987 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:05:44,987 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:05:44,987 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 03:05:44,987 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:05:44,987 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:05:44,987 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:05:44,987 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:05:44,987 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:05:44,988 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:05:44,988 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:05:44,988 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:05:44,988 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:05:44,988 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:05:44,988 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:05:44,988 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 03:05:44,988 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 03:05:44,989 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_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 787aa3251fe70c0757344936f9e5c92841f1fb61138cb758df556e9684a50783 [2024-11-25 03:05:45,282 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:05:45,291 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:05:45,293 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:05:45,294 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:05:45,295 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:05:45,296 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound100.c [2024-11-25 03:05:48,225 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3/data/c7faa214d/a2b7bd746f7e4b3080939794fc52a79e/FLAG6fe6fd159 [2024-11-25 03:05:48,458 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:05:48,459 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound100.c [2024-11-25 03:05:48,468 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3/data/c7faa214d/a2b7bd746f7e4b3080939794fc52a79e/FLAG6fe6fd159 [2024-11-25 03:05:48,790 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3/data/c7faa214d/a2b7bd746f7e4b3080939794fc52a79e [2024-11-25 03:05:48,792 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:05:48,794 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:05:48,795 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:05:48,795 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:05:48,798 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:05:48,799 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:05:48" (1/1) ... [2024-11-25 03:05:48,800 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53fe699e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:05:48, skipping insertion in model container [2024-11-25 03:05:48,800 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:05:48" (1/1) ... [2024-11-25 03:05:48,815 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:05:49,000 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_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound100.c[458,471] [2024-11-25 03:05:49,017 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:05:49,027 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:05:49,039 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_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound100.c[458,471] [2024-11-25 03:05:49,045 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:05:49,056 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:05:49,056 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:05:49 WrapperNode [2024-11-25 03:05:49,056 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:05:49,057 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:05:49,057 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:05:49,057 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:05:49,062 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:05:49" (1/1) ... [2024-11-25 03:05:49,066 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:05:49" (1/1) ... [2024-11-25 03:05:49,079 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 37 [2024-11-25 03:05:49,079 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:05:49,080 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:05:49,080 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:05:49,080 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:05:49,085 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:05:49" (1/1) ... [2024-11-25 03:05:49,085 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:05:49" (1/1) ... [2024-11-25 03:05:49,086 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:05:49" (1/1) ... [2024-11-25 03:05:49,086 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:05:49" (1/1) ... [2024-11-25 03:05:49,089 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:05:49" (1/1) ... [2024-11-25 03:05:49,090 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:05:49" (1/1) ... [2024-11-25 03:05:49,093 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:05:49" (1/1) ... [2024-11-25 03:05:49,094 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:05:49" (1/1) ... [2024-11-25 03:05:49,094 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:05:49" (1/1) ... [2024-11-25 03:05:49,095 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:05:49,096 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:05:49,096 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:05:49,096 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:05:49,097 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:05:49" (1/1) ... [2024-11-25 03:05:49,102 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:05:49,121 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:05:49,135 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:05:49,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:05:49,172 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:05:49,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 03:05:49,173 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:05:49,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:05:49,173 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-25 03:05:49,173 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-25 03:05:49,235 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:05:49,237 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:05:49,350 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-25 03:05:49,350 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:05:49,401 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:05:49,402 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-25 03:05:49,402 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:05:49 BoogieIcfgContainer [2024-11-25 03:05:49,402 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:05:49,403 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:05:49,403 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:05:49,414 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:05:49,414 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:05:49" (1/1) ... [2024-11-25 03:05:49,422 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:05:49,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:05:49,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 13 states and 17 transitions. [2024-11-25 03:05:49,468 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 17 transitions. [2024-11-25 03:05:49,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 03:05:49,470 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:05:49,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:05:49,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:05:49,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:05:49,595 INFO L256 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-25 03:05:49,599 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:05:49,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:05:49,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:05:49,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 16 states and 23 transitions. [2024-11-25 03:05:49,846 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 23 transitions. [2024-11-25 03:05:49,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-25 03:05:49,850 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:05:49,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:05:49,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:05:49,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:05:49,921 INFO L256 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-25 03:05:49,922 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:05:50,001 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:05:50,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:05:50,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 18 states and 28 transitions. [2024-11-25 03:05:50,088 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 28 transitions. [2024-11-25 03:05:50,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-25 03:05:50,088 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:05:50,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:05:50,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:05:50,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:05:50,133 INFO L256 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 03:05:50,135 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:05:50,222 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:05:50,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:05:50,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 20 states and 32 transitions. [2024-11-25 03:05:50,397 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 32 transitions. [2024-11-25 03:05:50,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-25 03:05:50,397 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:05:50,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:05:50,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:05:50,640 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 03:05:51,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:05:51,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 20 states and 29 transitions. [2024-11-25 03:05:51,066 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 29 transitions. [2024-11-25 03:05:51,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-25 03:05:51,067 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:05:51,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:05:51,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:05:51,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:05:51,128 INFO L256 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-25 03:05:51,129 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:05:51,302 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-25 03:05:51,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:05:51,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 25 states and 43 transitions. [2024-11-25 03:05:51,983 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 43 transitions. [2024-11-25 03:05:51,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-25 03:05:51,985 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:05:51,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:05:52,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:05:52,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:05:52,055 INFO L256 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 03:05:52,060 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:05:52,160 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-25 03:05:52,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:05:52,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 26 states and 46 transitions. [2024-11-25 03:05:52,460 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 46 transitions. [2024-11-25 03:05:52,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-25 03:05:52,461 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:05:52,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:05:52,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:05:52,633 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-25 03:05:52,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:05:52,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 27 states and 48 transitions. [2024-11-25 03:05:52,833 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 48 transitions. [2024-11-25 03:05:52,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 03:05:52,833 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:05:52,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:05:52,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:05:52,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:05:52,870 INFO L256 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 03:05:52,872 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:05:53,096 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-25 03:05:53,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:05:53,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 32 states and 60 transitions. [2024-11-25 03:05:53,986 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 60 transitions. [2024-11-25 03:05:53,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 03:05:53,986 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:05:53,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:05:54,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:05:54,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:05:54,043 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 03:05:54,045 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:05:54,176 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-25 03:05:54,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:05:54,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 33 states and 63 transitions. [2024-11-25 03:05:54,538 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 63 transitions. [2024-11-25 03:05:54,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-25 03:05:54,539 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:05:54,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:05:54,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:05:54,679 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-25 03:05:54,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:05:54,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 34 states and 65 transitions. [2024-11-25 03:05:54,914 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 65 transitions. [2024-11-25 03:05:54,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 03:05:54,915 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:05:54,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:05:54,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:05:54,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:05:54,955 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-25 03:05:54,958 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:05:55,220 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 7 proven. 22 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-25 03:05:56,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:05:56,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 39 states and 77 transitions. [2024-11-25 03:05:56,292 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 77 transitions. [2024-11-25 03:05:56,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 03:05:56,293 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:05:56,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:05:56,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:05:57,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:05:57,266 INFO L256 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-25 03:05:57,268 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:05:57,398 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 8 proven. 16 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-25 03:05:57,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:05:57,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 40 states and 80 transitions. [2024-11-25 03:05:57,853 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 80 transitions. [2024-11-25 03:05:57,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-25 03:05:57,856 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:05:57,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:05:57,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:05:57,975 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 21 proven. 4 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-11-25 03:05:58,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:05:58,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 41 states and 82 transitions. [2024-11-25 03:05:58,263 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 82 transitions. [2024-11-25 03:05:58,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-25 03:05:58,265 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:05:58,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:05:58,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:05:58,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:05:58,345 INFO L256 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-25 03:05:58,347 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:05:58,650 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 9 proven. 33 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-25 03:05:59,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:05:59,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 46 states and 94 transitions. [2024-11-25 03:05:59,898 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 94 transitions. [2024-11-25 03:05:59,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-25 03:05:59,899 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:05:59,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:05:59,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:06:00,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:06:00,001 INFO L256 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-25 03:06:00,003 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:06:00,137 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 10 proven. 25 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-25 03:06:00,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:06:00,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 47 states and 97 transitions. [2024-11-25 03:06:00,624 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 97 transitions. [2024-11-25 03:06:00,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-25 03:06:00,624 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:06:00,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:06:00,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:06:00,736 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 27 proven. 4 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2024-11-25 03:06:01,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:06:01,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 48 states and 99 transitions. [2024-11-25 03:06:01,068 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 99 transitions. [2024-11-25 03:06:01,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-25 03:06:01,069 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:06:01,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:06:01,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:06:01,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:06:01,132 INFO L256 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-25 03:06:01,133 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:06:01,476 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 12 proven. 30 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-25 03:06:02,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:06:02,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 53 states and 111 transitions. [2024-11-25 03:06:02,816 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 111 transitions. [2024-11-25 03:06:02,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-25 03:06:02,817 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:06:02,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:06:02,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:06:02,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:06:02,952 INFO L256 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-25 03:06:02,953 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:06:03,121 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 12 proven. 36 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-25 03:06:03,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:06:03,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 54 states and 114 transitions. [2024-11-25 03:06:03,650 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 114 transitions. [2024-11-25 03:06:03,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-25 03:06:03,650 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:06:03,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:06:03,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:06:03,738 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 33 proven. 4 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2024-11-25 03:06:04,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:06:04,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 55 states and 116 transitions. [2024-11-25 03:06:04,049 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 116 transitions. [2024-11-25 03:06:04,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-25 03:06:04,050 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:06:04,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:06:04,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:06:04,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:06:04,099 INFO L256 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-25 03:06:04,101 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:06:04,424 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 14 proven. 42 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-25 03:06:05,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:06:05,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 60 states and 128 transitions. [2024-11-25 03:06:05,992 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 128 transitions. [2024-11-25 03:06:05,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-25 03:06:05,993 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:06:05,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:06:06,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:06:06,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:06:06,334 INFO L256 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-25 03:06:06,337 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:06:06,928 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 31 proven. 50 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-25 03:06:07,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:06:07,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 61 states and 131 transitions. [2024-11-25 03:06:07,928 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 131 transitions. [2024-11-25 03:06:07,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-25 03:06:07,929 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:06:07,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:06:07,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:06:08,009 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 39 proven. 4 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2024-11-25 03:06:08,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:06:08,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 62 states and 133 transitions. [2024-11-25 03:06:08,361 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 133 transitions. [2024-11-25 03:06:08,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-25 03:06:08,361 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:06:08,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:06:08,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:06:08,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:06:08,425 INFO L256 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-25 03:06:08,427 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:06:08,847 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 16 proven. 56 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-25 03:06:10,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:06:10,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 67 states and 145 transitions. [2024-11-25 03:06:10,605 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 145 transitions. [2024-11-25 03:06:10,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-25 03:06:10,606 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:06:10,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:06:10,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:06:11,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:06:11,090 INFO L256 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-25 03:06:11,091 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:06:11,365 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 36 proven. 65 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2024-11-25 03:06:12,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:06:12,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 68 states and 148 transitions. [2024-11-25 03:06:12,101 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 148 transitions. [2024-11-25 03:06:12,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-25 03:06:12,102 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:06:12,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:06:12,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:06:12,239 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 45 proven. 4 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2024-11-25 03:06:12,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:06:12,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 69 states and 150 transitions. [2024-11-25 03:06:12,772 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 150 transitions. [2024-11-25 03:06:12,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-25 03:06:12,775 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:06:12,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:06:12,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:06:12,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:06:12,844 INFO L256 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-11-25 03:06:12,847 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:06:13,281 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 17 proven. 97 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-25 03:06:15,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:06:15,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 74 states and 162 transitions. [2024-11-25 03:06:15,281 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 162 transitions. [2024-11-25 03:06:15,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-25 03:06:15,281 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:06:15,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:06:15,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:06:15,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:06:15,827 INFO L256 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-25 03:06:15,829 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:06:16,138 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 41 proven. 82 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-25 03:06:16,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:06:16,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 75 states and 165 transitions. [2024-11-25 03:06:16,994 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 165 transitions. [2024-11-25 03:06:16,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-25 03:06:16,995 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:06:16,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:06:17,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:06:17,077 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 51 proven. 4 refuted. 0 times theorem prover too weak. 217 trivial. 0 not checked. [2024-11-25 03:06:17,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:06:17,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 76 states and 167 transitions. [2024-11-25 03:06:17,622 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 167 transitions. [2024-11-25 03:06:17,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-25 03:06:17,624 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:06:17,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:06:17,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:06:17,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:06:17,680 INFO L256 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 54 conjuncts are in the unsatisfiable core [2024-11-25 03:06:17,682 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:06:18,185 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 19 proven. 118 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2024-11-25 03:06:20,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:06:20,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 81 states and 179 transitions. [2024-11-25 03:06:20,430 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 179 transitions. [2024-11-25 03:06:20,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-25 03:06:20,431 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:06:20,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:06:20,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:06:20,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:06:20,867 INFO L256 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-25 03:06:20,868 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:06:21,199 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 46 proven. 101 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2024-11-25 03:06:22,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:06:22,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 82 states and 182 transitions. [2024-11-25 03:06:22,244 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 182 transitions. [2024-11-25 03:06:22,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-25 03:06:22,245 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:06:22,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:06:22,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:06:22,340 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 57 proven. 4 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked. [2024-11-25 03:06:22,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:06:22,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 83 states and 184 transitions. [2024-11-25 03:06:22,862 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 184 transitions. [2024-11-25 03:06:22,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-25 03:06:22,863 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:06:22,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:06:22,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:06:22,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:06:22,931 INFO L256 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-11-25 03:06:22,933 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:06:23,435 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 22 proven. 110 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-25 03:06:25,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:06:25,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 88 states and 196 transitions. [2024-11-25 03:06:25,899 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 196 transitions. [2024-11-25 03:06:25,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-25 03:06:25,899 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:06:25,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:06:25,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:06:26,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:06:26,942 INFO L256 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-25 03:06:26,943 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:06:27,282 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 51 proven. 122 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-25 03:06:28,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:06:28,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 89 states and 199 transitions. [2024-11-25 03:06:28,378 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 199 transitions. [2024-11-25 03:06:28,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-25 03:06:28,380 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:06:28,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:06:28,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:06:28,505 INFO L134 CoverageAnalysis]: Checked inductivity of 398 backedges. 63 proven. 4 refuted. 0 times theorem prover too weak. 331 trivial. 0 not checked. [2024-11-25 03:06:29,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:06:29,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 90 states and 201 transitions. [2024-11-25 03:06:29,138 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 201 transitions. [2024-11-25 03:06:29,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-25 03:06:29,139 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:06:29,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:06:29,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:06:29,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:06:29,202 INFO L256 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 62 conjuncts are in the unsatisfiable core [2024-11-25 03:06:29,205 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:06:29,797 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 23 proven. 166 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2024-11-25 03:06:32,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:06:32,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 95 states and 213 transitions. [2024-11-25 03:06:32,608 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 213 transitions. [2024-11-25 03:06:32,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-25 03:06:32,608 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:06:32,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:06:32,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:06:32,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:06:32,964 INFO L256 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-25 03:06:32,965 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:06:33,348 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 56 proven. 145 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2024-11-25 03:06:34,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:06:34,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 96 states and 216 transitions. [2024-11-25 03:06:34,465 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 216 transitions. [2024-11-25 03:06:34,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-25 03:06:34,466 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:06:34,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:06:34,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:06:34,574 INFO L134 CoverageAnalysis]: Checked inductivity of 470 backedges. 69 proven. 4 refuted. 0 times theorem prover too weak. 397 trivial. 0 not checked. [2024-11-25 03:06:35,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:06:35,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 97 states and 218 transitions. [2024-11-25 03:06:35,251 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 218 transitions. [2024-11-25 03:06:35,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-25 03:06:35,252 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:06:35,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:06:35,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:06:35,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:06:35,323 INFO L256 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 66 conjuncts are in the unsatisfiable core [2024-11-25 03:06:35,326 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:06:35,996 INFO L134 CoverageAnalysis]: Checked inductivity of 494 backedges. 25 proven. 193 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2024-11-25 03:06:39,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:06:39,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 102 states and 230 transitions. [2024-11-25 03:06:39,064 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 230 transitions. [2024-11-25 03:06:39,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-25 03:06:39,065 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:06:39,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:06:39,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:06:42,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:06:42,302 INFO L256 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-11-25 03:06:42,304 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:06:42,706 INFO L134 CoverageAnalysis]: Checked inductivity of 507 backedges. 61 proven. 170 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2024-11-25 03:06:43,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:06:43,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 103 states and 233 transitions. [2024-11-25 03:06:43,975 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 233 transitions. [2024-11-25 03:06:43,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-25 03:06:43,976 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:06:43,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:06:43,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:06:44,072 INFO L134 CoverageAnalysis]: Checked inductivity of 548 backedges. 75 proven. 4 refuted. 0 times theorem prover too weak. 469 trivial. 0 not checked. [2024-11-25 03:06:44,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:06:44,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 104 states and 235 transitions. [2024-11-25 03:06:44,702 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 235 transitions. [2024-11-25 03:06:44,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-25 03:06:44,703 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:06:44,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:06:44,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:06:44,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:06:44,801 INFO L256 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 70 conjuncts are in the unsatisfiable core [2024-11-25 03:06:44,803 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:06:45,474 INFO L134 CoverageAnalysis]: Checked inductivity of 574 backedges. 27 proven. 222 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2024-11-25 03:06:48,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:06:48,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 109 states and 247 transitions. [2024-11-25 03:06:48,873 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 247 transitions. [2024-11-25 03:06:48,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-25 03:06:48,874 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:06:48,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:06:48,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:06:53,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:06:53,065 INFO L256 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 70 conjuncts are in the unsatisfiable core [2024-11-25 03:06:53,068 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:06:53,395 INFO L134 CoverageAnalysis]: Checked inductivity of 588 backedges. 88 proven. 235 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2024-11-25 03:06:54,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:06:54,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 110 states and 250 transitions. [2024-11-25 03:06:54,626 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 250 transitions. [2024-11-25 03:06:54,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-25 03:06:54,626 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:06:54,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:06:54,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:06:54,712 INFO L134 CoverageAnalysis]: Checked inductivity of 632 backedges. 81 proven. 4 refuted. 0 times theorem prover too weak. 547 trivial. 0 not checked. [2024-11-25 03:06:55,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:06:55,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 111 states and 252 transitions. [2024-11-25 03:06:55,440 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 252 transitions. [2024-11-25 03:06:55,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-25 03:06:55,441 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:06:55,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:06:55,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:06:55,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:06:55,528 INFO L256 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 64 conjuncts are in the unsatisfiable core [2024-11-25 03:06:55,531 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:06:56,284 INFO L134 CoverageAnalysis]: Checked inductivity of 660 backedges. 30 proven. 210 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-25 03:06:59,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:06:59,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 116 states and 264 transitions. [2024-11-25 03:06:59,913 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 264 transitions. [2024-11-25 03:06:59,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-25 03:06:59,913 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:06:59,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:06:59,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:07:08,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:07:08,306 INFO L256 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-11-25 03:07:08,309 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:07:09,008 INFO L134 CoverageAnalysis]: Checked inductivity of 675 backedges. 71 proven. 226 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2024-11-25 03:07:10,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:07:10,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 117 states and 267 transitions. [2024-11-25 03:07:10,651 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 267 transitions. [2024-11-25 03:07:10,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-25 03:07:10,652 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:07:10,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:07:10,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:07:10,736 INFO L134 CoverageAnalysis]: Checked inductivity of 722 backedges. 87 proven. 4 refuted. 0 times theorem prover too weak. 631 trivial. 0 not checked. [2024-11-25 03:07:11,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:07:11,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 118 states and 269 transitions. [2024-11-25 03:07:11,486 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 269 transitions. [2024-11-25 03:07:11,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-25 03:07:11,486 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:07:11,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:07:11,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:07:11,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:07:11,575 INFO L256 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 68 conjuncts are in the unsatisfiable core [2024-11-25 03:07:11,578 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:07:12,382 INFO L134 CoverageAnalysis]: Checked inductivity of 752 backedges. 32 proven. 240 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-25 03:07:16,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:07:16,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 123 states and 281 transitions. [2024-11-25 03:07:16,350 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 281 transitions. [2024-11-25 03:07:16,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-25 03:07:16,351 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:07:16,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:07:16,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:07:26,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:07:26,430 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-25 03:07:26,434 INFO L158 Benchmark]: Toolchain (without parser) took 97640.17ms. Allocated memory was 117.4MB in the beginning and 478.2MB in the end (delta: 360.7MB). Free memory was 92.8MB in the beginning and 316.9MB in the end (delta: -224.1MB). Peak memory consumption was 136.0MB. Max. memory is 16.1GB. [2024-11-25 03:07:26,434 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 117.4MB. Free memory is still 75.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:07:26,435 INFO L158 Benchmark]: CACSL2BoogieTranslator took 261.45ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 81.4MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 03:07:26,435 INFO L158 Benchmark]: Boogie Procedure Inliner took 22.19ms. Allocated memory is still 117.4MB. Free memory was 81.4MB in the beginning and 80.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:07:26,435 INFO L158 Benchmark]: Boogie Preprocessor took 15.68ms. Allocated memory is still 117.4MB. Free memory was 80.3MB in the beginning and 79.7MB in the end (delta: 688.6kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 03:07:26,436 INFO L158 Benchmark]: RCFGBuilder took 306.32ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 68.2MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 03:07:26,436 INFO L158 Benchmark]: CodeCheck took 97030.15ms. Allocated memory was 117.4MB in the beginning and 478.2MB in the end (delta: 360.7MB). Free memory was 68.2MB in the beginning and 316.9MB in the end (delta: -248.7MB). Peak memory consumption was 110.8MB. Max. memory is 16.1GB. [2024-11-25 03:07:26,439 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 0.39ms. Allocated memory is still 117.4MB. Free memory is still 75.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 261.45ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 81.4MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 22.19ms. Allocated memory is still 117.4MB. Free memory was 81.4MB in the beginning and 80.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 15.68ms. Allocated memory is still 117.4MB. Free memory was 80.3MB in the beginning and 79.7MB in the end (delta: 688.6kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 306.32ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 68.2MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 97030.15ms. Allocated memory was 117.4MB in the beginning and 478.2MB in the end (delta: 360.7MB). Free memory was 68.2MB in the beginning and 316.9MB in the end (delta: -248.7MB). Peak memory consumption was 110.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-25 03:07:26,470 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3/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_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 787aa3251fe70c0757344936f9e5c92841f1fb61138cb758df556e9684a50783 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:07:28,983 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:07:29,085 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-25 03:07:29,152 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:07:29,153 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:07:29,153 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:07:29,153 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:07:29,153 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:07:29,154 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:07:29,154 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:07:29,154 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 03:07:29,154 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 03:07:29,154 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:07:29,154 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:07:29,154 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:07:29,154 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:07:29,154 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 03:07:29,155 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 03:07:29,160 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 03:07:29,161 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 03:07:29,161 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:07:29,161 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:07:29,161 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:07:29,161 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:07:29,161 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:07:29,161 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:07:29,161 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 03:07:29,161 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 03:07:29,162 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:07:29,162 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:07:29,162 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:07:29,162 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:07:29,162 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:07:29,162 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 03:07:29,162 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 03:07:29,162 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 03:07:29,162 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_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 787aa3251fe70c0757344936f9e5c92841f1fb61138cb758df556e9684a50783 [2024-11-25 03:07:29,496 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:07:29,505 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:07:29,507 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:07:29,509 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:07:29,509 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:07:29,510 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound100.c [2024-11-25 03:07:32,445 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3/data/49bee4d98/b381f6cecfc04238963385c2a73be7f9/FLAG619120059 [2024-11-25 03:07:32,682 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:07:32,683 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound100.c [2024-11-25 03:07:32,694 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3/data/49bee4d98/b381f6cecfc04238963385c2a73be7f9/FLAG619120059 [2024-11-25 03:07:32,734 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3/data/49bee4d98/b381f6cecfc04238963385c2a73be7f9 [2024-11-25 03:07:32,737 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:07:32,739 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:07:32,740 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:07:32,740 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:07:32,744 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:07:32,744 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:07:32" (1/1) ... [2024-11-25 03:07:32,745 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ab7d22a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:07:32, skipping insertion in model container [2024-11-25 03:07:32,745 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:07:32" (1/1) ... [2024-11-25 03:07:32,758 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:07:32,894 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_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound100.c[458,471] [2024-11-25 03:07:32,914 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:07:32,924 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:07:32,935 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound100.c[458,471] [2024-11-25 03:07:32,942 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:07:32,960 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:07:32,961 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:07:32 WrapperNode [2024-11-25 03:07:32,961 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:07:32,962 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:07:32,962 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:07:32,962 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:07:32,969 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:07:32" (1/1) ... [2024-11-25 03:07:32,977 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:07:32" (1/1) ... [2024-11-25 03:07:32,997 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 36 [2024-11-25 03:07:32,999 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:07:33,000 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:07:33,000 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:07:33,000 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:07:33,008 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:07:32" (1/1) ... [2024-11-25 03:07:33,009 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:07:32" (1/1) ... [2024-11-25 03:07:33,012 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:07:32" (1/1) ... [2024-11-25 03:07:33,012 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:07:32" (1/1) ... [2024-11-25 03:07:33,023 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:07:32" (1/1) ... [2024-11-25 03:07:33,024 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:07:32" (1/1) ... [2024-11-25 03:07:33,031 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:07:32" (1/1) ... [2024-11-25 03:07:33,032 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:07:32" (1/1) ... [2024-11-25 03:07:33,036 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:07:32" (1/1) ... [2024-11-25 03:07:33,038 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:07:33,039 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:07:33,039 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:07:33,039 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:07:33,044 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:07:32" (1/1) ... [2024-11-25 03:07:33,053 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:07:33,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:07:33,084 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:07:33,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:07:33,122 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:07:33,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 03:07:33,123 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:07:33,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:07:33,124 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-25 03:07:33,124 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-25 03:07:33,199 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:07:33,202 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:07:33,447 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-25 03:07:33,447 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:07:33,516 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:07:33,516 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-25 03:07:33,517 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:07:33 BoogieIcfgContainer [2024-11-25 03:07:33,517 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:07:33,518 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:07:33,518 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:07:33,528 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:07:33,529 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:07:33" (1/1) ... [2024-11-25 03:07:33,537 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:07:33,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:07:33,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 13 states and 17 transitions. [2024-11-25 03:07:33,582 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 17 transitions. [2024-11-25 03:07:33,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 03:07:33,583 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:07:33,584 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:07:33,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:07:33,586 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:07:33,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 03:07:33,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:07:33,846 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:07:33,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:07:33,960 INFO L256 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-25 03:07:33,966 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:07:34,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:07:34,133 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 03:07:35,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:07:35,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 16 states and 23 transitions. [2024-11-25 03:07:35,139 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 23 transitions. [2024-11-25 03:07:35,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-25 03:07:35,141 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:07:35,141 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:07:35,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:07:35,143 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:07:35,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-25 03:07:35,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:07:35,588 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:07:35,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:07:35,741 INFO L256 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-25 03:07:35,743 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:07:36,158 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:07:36,165 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-25 03:07:39,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:07:39,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 21 states and 37 transitions. [2024-11-25 03:07:39,196 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 37 transitions. [2024-11-25 03:07:39,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-25 03:07:39,196 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:07:39,197 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:07:39,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:07:39,201 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:07:39,205 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-25 03:07:39,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:07:39,657 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:07:39,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:07:39,875 INFO L256 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:07:39,877 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:07:40,139 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:07:40,145 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-25 03:07:42,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:07:42,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 23 states and 42 transitions. [2024-11-25 03:07:42,586 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 42 transitions. [2024-11-25 03:07:42,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-25 03:07:42,588 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:07:42,588 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:07:42,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:07:42,590 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:07:42,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-25 03:07:42,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:07:42,633 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:07:42,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:07:42,745 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-25 03:07:42,747 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:07:54,698 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 03:07:54,699 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-25 03:08:19,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:08:19,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 25 states and 47 transitions. [2024-11-25 03:08:19,003 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 47 transitions. [2024-11-25 03:08:19,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-25 03:08:19,004 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:08:19,004 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:08:19,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:08:19,006 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:08:19,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-25 03:08:19,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:08:19,518 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:08:19,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:08:19,749 INFO L256 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-25 03:08:19,752 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:08:22,097 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 03:08:22,107 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2024-11-25 03:08:33,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:08:33,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 30 states and 62 transitions. [2024-11-25 03:08:33,512 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 62 transitions. [2024-11-25 03:08:33,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-25 03:08:33,512 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:08:33,512 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:08:33,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:08:33,516 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:08:33,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-25 03:08:34,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:08:34,156 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:08:34,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:08:34,455 INFO L256 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-25 03:08:34,457 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:08:35,473 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 03:08:35,480 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-25 03:08:42,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:08:42,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 32 states and 67 transitions. [2024-11-25 03:08:42,052 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 67 transitions. [2024-11-25 03:08:42,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-25 03:08:42,052 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:08:42,053 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:08:42,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:08:42,055 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:08:42,057 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-25 03:08:42,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:08:42,102 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:08:42,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:08:42,296 INFO L256 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-25 03:08:42,298 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:08:45,114 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-25 03:08:45,116 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-25 03:08:57,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:08:57,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 33 states and 70 transitions. [2024-11-25 03:08:57,868 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 70 transitions. [2024-11-25 03:08:57,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 03:08:57,869 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:08:57,869 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:08:57,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:08:57,871 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:08:57,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-25 03:08:58,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:08:58,638 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:08:58,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:08:58,989 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 03:08:58,991 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:09:01,979 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 5 proven. 13 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-25 03:09:01,987 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2024-11-25 03:09:15,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:09:15,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 36 states and 80 transitions. [2024-11-25 03:09:15,143 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 80 transitions. [2024-11-25 03:09:15,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 03:09:15,143 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:09:15,143 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:09:15,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:09:15,146 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:09:15,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-25 03:09:15,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:09:15,985 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:09:16,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:09:16,469 INFO L256 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-25 03:09:16,472 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:09:17,628 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 5 proven. 16 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-25 03:09:17,643 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-11-25 03:09:25,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:09:25,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 38 states and 85 transitions. [2024-11-25 03:09:25,633 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 85 transitions. [2024-11-25 03:09:25,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-25 03:09:25,634 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:09:25,635 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:09:25,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:09:25,637 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:09:25,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-25 03:09:25,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:09:25,687 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:09:25,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:09:26,014 INFO L256 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-25 03:09:26,016 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:09:29,219 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-25 03:09:29,222 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-11-25 03:09:44,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:09:44,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 39 states and 88 transitions. [2024-11-25 03:09:44,186 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 88 transitions. [2024-11-25 03:09:44,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 03:09:44,187 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:09:44,187 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:09:44,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:09:44,190 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:09:44,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-25 03:09:45,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:09:45,145 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:09:45,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:09:45,647 INFO L256 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-25 03:09:45,652 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:09:48,588 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 7 proven. 22 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-25 03:09:48,599 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-11-25 03:10:02,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:10:02,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 42 states and 98 transitions. [2024-11-25 03:10:02,898 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 98 transitions. [2024-11-25 03:10:02,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 03:10:02,901 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:10:02,901 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:10:02,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:10:02,902 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:10:02,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-25 03:10:04,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:10:04,055 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:10:04,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:10:04,570 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 03:10:04,571 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:10:06,438 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 7 proven. 26 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-25 03:10:06,450 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-11-25 03:10:14,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:10:14,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 44 states and 103 transitions. [2024-11-25 03:10:14,630 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 103 transitions. [2024-11-25 03:10:14,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-25 03:10:14,630 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:10:14,631 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:10:14,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:10:14,635 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:10:14,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-25 03:10:14,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:10:14,686 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:10:15,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:10:15,090 INFO L256 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-25 03:10:15,091 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:10:18,239 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 21 proven. 4 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-11-25 03:10:18,241 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (14)] Exception during sending of exit command (exit): Broken pipe [2024-11-25 03:10:18,244 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-11-25 03:10:35,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:10:35,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 45 states and 106 transitions. [2024-11-25 03:10:35,852 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 106 transitions. [2024-11-25 03:10:35,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-25 03:10:35,853 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:10:35,853 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:10:35,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:10:35,855 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:10:35,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-25 03:10:37,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:10:37,019 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:10:37,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:10:37,539 INFO L256 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 03:10:37,540 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:10:43,526 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 9 proven. 33 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-25 03:10:43,544 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (15)] Forceful destruction successful, exit code 0 [2024-11-25 03:11:04,421 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 03:11:05,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:11:05,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 48 states and 116 transitions. [2024-11-25 03:11:05,470 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 116 transitions. [2024-11-25 03:11:05,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-25 03:11:05,473 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:11:05,473 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:11:05,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:11:05,475 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:11:05,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-25 03:11:06,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:11:06,930 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:11:07,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:11:07,735 INFO L256 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-25 03:11:07,737 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:11:09,698 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 17 proven. 36 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:11:09,732 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-11-25 03:11:20,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:11:21,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 50 states and 121 transitions. [2024-11-25 03:11:21,000 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 121 transitions. [2024-11-25 03:11:21,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-25 03:11:21,001 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:11:21,001 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:11:21,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:11:21,004 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:11:21,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-25 03:11:21,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:11:21,059 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:11:21,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:11:21,515 INFO L256 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-25 03:11:21,516 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:11:24,697 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 27 proven. 4 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2024-11-25 03:11:24,699 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (17)] Exception during sending of exit command (exit): Broken pipe [2024-11-25 03:11:24,699 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-11-25 03:11:42,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:11:42,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 51 states and 124 transitions. [2024-11-25 03:11:42,439 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 124 transitions. [2024-11-25 03:11:42,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-25 03:11:42,439 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:11:42,440 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:11:42,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:11:42,442 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:11:42,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-11-25 03:11:43,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:11:43,795 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:11:44,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:11:44,430 INFO L256 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-25 03:11:44,432 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:11:49,084 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 11 proven. 46 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-25 03:11:49,104 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-11-25 03:12:12,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:12:12,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 54 states and 134 transitions. [2024-11-25 03:12:12,233 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 134 transitions. [2024-11-25 03:12:12,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-25 03:12:12,234 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:12:12,234 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:12:12,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:12:12,237 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:12:12,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-11-25 03:12:13,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:12:13,793 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:12:14,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:12:14,554 INFO L256 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-25 03:12:14,556 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:12:17,072 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 19 proven. 53 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-25 03:12:17,086 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-11-25 03:12:29,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:12:29,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 56 states and 139 transitions. [2024-11-25 03:12:29,392 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 139 transitions. [2024-11-25 03:12:29,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-25 03:12:29,392 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:12:29,392 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:12:29,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:12:29,394 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:12:29,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-11-25 03:12:29,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:12:29,451 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:12:29,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:12:29,975 INFO L256 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-25 03:12:29,976 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:12:33,296 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 33 proven. 4 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2024-11-25 03:12:33,298 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-11-25 03:12:51,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:12:51,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 57 states and 142 transitions. [2024-11-25 03:12:51,888 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 142 transitions. [2024-11-25 03:12:51,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-25 03:12:51,889 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:12:51,889 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:12:51,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:12:51,893 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:12:51,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-11-25 03:12:53,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:12:53,484 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:12:54,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:12:54,324 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-25 03:12:54,326 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:13:10,215 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 27 proven. 59 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-11-25 03:13:10,232 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-11-25 03:13:42,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:13:42,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 60 states and 152 transitions. [2024-11-25 03:13:42,788 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 152 transitions. [2024-11-25 03:13:42,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-25 03:13:42,789 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:13:42,789 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:13:42,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:13:42,792 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:13:42,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-11-25 03:13:44,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:13:44,525 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:13:45,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:13:45,379 INFO L256 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-25 03:13:45,381 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:13:48,797 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 32 proven. 67 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-25 03:13:48,815 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2024-11-25 03:14:03,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:14:03,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 62 states and 157 transitions. [2024-11-25 03:14:03,598 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 157 transitions. [2024-11-25 03:14:03,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-25 03:14:03,599 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:14:03,599 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:14:03,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:14:03,602 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:14:03,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-11-25 03:14:03,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:14:03,658 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:14:04,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:14:04,255 INFO L256 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-25 03:14:04,257 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:14:08,196 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 39 proven. 4 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2024-11-25 03:14:08,198 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2024-11-25 03:14:31,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:14:31,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 63 states and 160 transitions. [2024-11-25 03:14:31,775 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 160 transitions. [2024-11-25 03:14:31,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-25 03:14:31,776 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:14:31,776 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:14:31,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:14:31,778 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:14:31,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-11-25 03:14:33,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:14:33,570 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:14:34,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:14:34,512 INFO L256 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-25 03:14:34,514 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:14:45,045 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 15 proven. 78 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2024-11-25 03:14:45,069 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2024-11-25 03:15:23,801 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 03:15:23,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:15:23,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 66 states and 170 transitions. [2024-11-25 03:15:23,838 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 170 transitions. [2024-11-25 03:15:23,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-25 03:15:23,839 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:15:23,839 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:15:23,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:15:23,841 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:15:23,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-11-25 03:15:26,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:15:26,129 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:15:27,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:15:27,363 INFO L256 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-25 03:15:27,365 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:15:32,472 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 34 proven. 91 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2024-11-25 03:15:32,515 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (25)] Forceful destruction successful, exit code 0 [2024-11-25 03:15:53,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:15:53,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 68 states and 175 transitions. [2024-11-25 03:15:53,296 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 175 transitions. [2024-11-25 03:15:53,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-25 03:15:53,297 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:15:53,297 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:15:53,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:15:53,299 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:15:53,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-11-25 03:15:53,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:15:53,365 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:15:53,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:15:54,151 INFO L256 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-25 03:15:54,153 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:15:57,991 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 45 proven. 4 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2024-11-25 03:15:57,993 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (26)] Forceful destruction successful, exit code 0 [2024-11-25 03:16:25,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:16:25,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 69 states and 178 transitions. [2024-11-25 03:16:25,250 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 178 transitions. [2024-11-25 03:16:25,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-25 03:16:25,251 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:16:25,252 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:16:25,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:16:25,254 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:16:25,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-11-25 03:16:27,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:16:27,731 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:16:28,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:16:28,902 INFO L256 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-25 03:16:28,904 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:16:51,814 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 17 proven. 97 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-25 03:16:51,839 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (27)] Forceful destruction successful, exit code 0 [2024-11-25 03:17:55,412 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 03:17:56,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:17:56,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 72 states and 188 transitions. [2024-11-25 03:17:56,826 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 188 transitions. [2024-11-25 03:17:56,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-25 03:17:56,827 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:17:56,827 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:17:56,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:17:56,830 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:17:56,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-11-25 03:17:59,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:17:59,660 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:18:00,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:18:01,019 INFO L256 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-25 03:18:01,021 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:18:07,879 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 36 proven. 117 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2024-11-25 03:18:07,922 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2024-11-25 03:18:34,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:18:34,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 74 states and 193 transitions. [2024-11-25 03:18:34,913 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 193 transitions. [2024-11-25 03:18:34,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-25 03:18:34,914 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:18:34,915 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:18:34,915 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:18:34,917 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:18:34,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-11-25 03:18:34,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:18:34,994 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:18:35,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:18:35,880 INFO L256 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-25 03:18:35,881 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:18:40,931 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 51 proven. 4 refuted. 0 times theorem prover too weak. 217 trivial. 0 not checked. [2024-11-25 03:18:40,933 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2024-11-25 03:19:15,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:19:15,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 75 states and 196 transitions. [2024-11-25 03:19:15,553 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 196 transitions. [2024-11-25 03:19:15,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-25 03:19:15,555 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:19:15,556 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:19:15,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:19:15,559 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:19:15,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-11-25 03:19:19,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:19:19,748 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:19:21,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:19:21,479 INFO L256 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-25 03:19:21,481 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:19:31,646 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 19 proven. 118 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2024-11-25 03:19:31,671 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2024-11-25 03:20:20,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:20:20,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 78 states and 206 transitions. [2024-11-25 03:20:20,196 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 206 transitions. [2024-11-25 03:20:20,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-25 03:20:20,197 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:20:20,197 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:20:20,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:20:20,198 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:20:20,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-11-25 03:20:22,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:20:22,886 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:20:24,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:20:24,239 INFO L256 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-25 03:20:24,241 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:20:30,723 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 38 proven. 145 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2024-11-25 03:20:30,751 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6acad5f-5aaa-4100-a43a-5c40ec6c7f88/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0