./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench/ps4-ll.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/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_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/ps4-ll.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/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_58d99590-859d-4edb-8dc4-97356ee5f29d/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 ef01badb7f90b6597aa83d48583be40b7afc9a4c054f915d626bd89be70c7009 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:27:05,948 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:27:06,058 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 03:27:06,064 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 03:27:06,064 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 03:27:06,104 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:27:06,105 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:27:06,106 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:27:06,107 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:27:06,107 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:27:06,108 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:27:06,109 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:27:06,109 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 03:27:06,109 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 03:27:06,110 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 03:27:06,110 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:27:06,111 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:27:06,111 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:27:06,111 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:27:06,111 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 03:27:06,111 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:27:06,111 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:27:06,111 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:27:06,112 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:27:06,112 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:27:06,112 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:27:06,112 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:27:06,112 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:27:06,113 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:27:06,113 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:27:06,113 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:27:06,113 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 03:27:06,113 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 03:27:06,113 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_58d99590-859d-4edb-8dc4-97356ee5f29d/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 -> ef01badb7f90b6597aa83d48583be40b7afc9a4c054f915d626bd89be70c7009 [2024-11-25 03:27:06,446 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:27:06,457 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:27:06,460 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:27:06,461 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:27:06,462 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:27:06,463 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/nla-digbench/ps4-ll.c [2024-11-25 03:27:09,539 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/data/539a98543/b3efb33dda994f60bf9e3d259c7116de/FLAGbde2bf17d [2024-11-25 03:27:09,896 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:27:09,897 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/sv-benchmarks/c/nla-digbench/ps4-ll.c [2024-11-25 03:27:09,905 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/data/539a98543/b3efb33dda994f60bf9e3d259c7116de/FLAGbde2bf17d [2024-11-25 03:27:09,921 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/data/539a98543/b3efb33dda994f60bf9e3d259c7116de [2024-11-25 03:27:09,924 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:27:09,926 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:27:09,928 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:27:09,928 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:27:09,934 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:27:09,935 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:27:09" (1/1) ... [2024-11-25 03:27:09,936 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c03fdc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:27:09, skipping insertion in model container [2024-11-25 03:27:09,936 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:27:09" (1/1) ... [2024-11-25 03:27:09,955 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:27:10,161 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_58d99590-859d-4edb-8dc4-97356ee5f29d/sv-benchmarks/c/nla-digbench/ps4-ll.c[458,471] [2024-11-25 03:27:10,189 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:27:10,205 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:27:10,219 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_58d99590-859d-4edb-8dc4-97356ee5f29d/sv-benchmarks/c/nla-digbench/ps4-ll.c[458,471] [2024-11-25 03:27:10,229 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:27:10,248 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:27:10,248 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:27:10 WrapperNode [2024-11-25 03:27:10,249 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:27:10,250 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:27:10,250 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:27:10,251 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:27:10,259 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:27:10" (1/1) ... [2024-11-25 03:27:10,266 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:27:10" (1/1) ... [2024-11-25 03:27:10,286 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 33 [2024-11-25 03:27:10,287 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:27:10,287 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:27:10,287 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:27:10,287 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:27:10,296 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:27:10" (1/1) ... [2024-11-25 03:27:10,297 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:27:10" (1/1) ... [2024-11-25 03:27:10,302 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:27:10" (1/1) ... [2024-11-25 03:27:10,303 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:27:10" (1/1) ... [2024-11-25 03:27:10,310 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:27:10" (1/1) ... [2024-11-25 03:27:10,311 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:27:10" (1/1) ... [2024-11-25 03:27:10,317 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:27:10" (1/1) ... [2024-11-25 03:27:10,318 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:27:10" (1/1) ... [2024-11-25 03:27:10,319 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:27:10" (1/1) ... [2024-11-25 03:27:10,323 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:27:10,324 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:27:10,324 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:27:10,324 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:27:10,326 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:27:10" (1/1) ... [2024-11-25 03:27:10,336 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:27:10,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:27:10,366 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:27:10,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:27:10,402 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:27:10,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 03:27:10,402 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:27:10,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:27:10,402 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-25 03:27:10,403 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-25 03:27:10,478 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:27:10,480 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:27:10,656 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-11-25 03:27:10,656 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:27:10,692 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:27:10,692 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-25 03:27:10,693 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:27:10 BoogieIcfgContainer [2024-11-25 03:27:10,693 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:27:10,694 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:27:10,694 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:27:10,711 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:27:10,711 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:27:10" (1/1) ... [2024-11-25 03:27:10,722 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:27:10,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:27:10,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 13 states and 17 transitions. [2024-11-25 03:27:10,801 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 17 transitions. [2024-11-25 03:27:10,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 03:27:10,807 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:27:10,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:27:10,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:27:10,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:27:10,982 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-25 03:27:10,987 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:27:11,139 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 03:27:11,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:27:11,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 16 states and 23 transitions. [2024-11-25 03:27:11,321 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 23 transitions. [2024-11-25 03:27:11,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-25 03:27:11,322 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:27:11,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:27:11,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:27:11,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:27:11,424 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 03:27:11,427 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:27:11,532 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 03:27:11,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:27:11,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 18 states and 27 transitions. [2024-11-25 03:27:11,722 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 27 transitions. [2024-11-25 03:27:11,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-25 03:27:11,725 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:27:11,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:27:11,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:27:11,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:27:11,772 INFO L256 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-25 03:27:11,774 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:27:11,856 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 03:27:11,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:27:11,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 19 states and 30 transitions. [2024-11-25 03:27:11,899 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 30 transitions. [2024-11-25 03:27:11,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-25 03:27:11,902 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:27:11,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:27:11,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:27:12,220 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 03:27:12,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:27:12,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 21 states and 32 transitions. [2024-11-25 03:27:12,785 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 32 transitions. [2024-11-25 03:27:12,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-25 03:27:12,786 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:27:12,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:27:12,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:27:12,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:27:12,858 INFO L256 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 03:27:12,860 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:27:12,965 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 03:27:13,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:27:13,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 23 states and 36 transitions. [2024-11-25 03:27:13,178 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 36 transitions. [2024-11-25 03:27:13,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-25 03:27:13,179 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:27:13,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:27:13,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:27:13,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:27:13,260 INFO L256 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-25 03:27:13,262 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:27:13,447 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 03:27:14,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:27:14,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 28 states and 51 transitions. [2024-11-25 03:27:14,012 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 51 transitions. [2024-11-25 03:27:14,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-25 03:27:14,015 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:27:14,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:27:14,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:27:14,182 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 03:27:14,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:27:14,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 29 states and 52 transitions. [2024-11-25 03:27:14,406 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 52 transitions. [2024-11-25 03:27:14,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 03:27:14,407 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:27:14,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:27:14,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:27:14,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:27:14,482 INFO L256 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 03:27:14,485 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:27:14,622 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 03:27:14,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:27:14,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 31 states and 56 transitions. [2024-11-25 03:27:14,896 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 56 transitions. [2024-11-25 03:27:14,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 03:27:14,897 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:27:14,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:27:14,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:27:14,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:27:14,960 INFO L256 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-25 03:27:14,962 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:27:15,278 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 03:27:16,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:27:16,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 36 states and 69 transitions. [2024-11-25 03:27:16,245 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 69 transitions. [2024-11-25 03:27:16,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-25 03:27:16,249 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:27:16,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:27:16,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:27:16,449 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 03:27:16,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:27:16,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 37 states and 70 transitions. [2024-11-25 03:27:16,707 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 70 transitions. [2024-11-25 03:27:16,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 03:27:16,708 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:27:16,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:27:16,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:27:16,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:27:16,798 INFO L256 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-25 03:27:16,801 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:27:16,968 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 03:27:17,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:27:17,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 39 states and 74 transitions. [2024-11-25 03:27:17,324 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 74 transitions. [2024-11-25 03:27:17,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 03:27:17,325 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:27:17,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:27:17,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:27:17,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:27:17,385 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-25 03:27:17,390 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:27:17,698 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 8 proven. 12 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-25 03:27:18,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:27:18,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 44 states and 87 transitions. [2024-11-25 03:27:18,690 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 87 transitions. [2024-11-25 03:27:18,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-25 03:27:18,691 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:27:18,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:27:18,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:27:18,787 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 03:27:19,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:27:19,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 45 states and 88 transitions. [2024-11-25 03:27:19,121 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 88 transitions. [2024-11-25 03:27:19,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-25 03:27:19,123 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:27:19,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:27:19,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:27:19,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:27:19,246 INFO L256 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-25 03:27:19,248 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:27:19,429 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 03:27:19,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:27:19,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 47 states and 92 transitions. [2024-11-25 03:27:19,823 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 92 transitions. [2024-11-25 03:27:19,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-25 03:27:19,825 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:27:19,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:27:19,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:27:19,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:27:19,888 INFO L256 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-25 03:27:19,890 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:27:20,241 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 03:27:21,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:27:21,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 52 states and 105 transitions. [2024-11-25 03:27:21,341 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 105 transitions. [2024-11-25 03:27:21,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-25 03:27:21,343 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:27:21,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:27:21,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:27:21,471 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 03:27:21,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:27:21,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 53 states and 106 transitions. [2024-11-25 03:27:21,814 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 106 transitions. [2024-11-25 03:27:21,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-25 03:27:21,815 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:27:21,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:27:21,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:27:22,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:27:22,042 INFO L256 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-25 03:27:22,044 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:27:22,239 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 03:27:22,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:27:22,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 55 states and 110 transitions. [2024-11-25 03:27:22,631 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 110 transitions. [2024-11-25 03:27:22,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-25 03:27:22,632 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:27:22,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:27:22,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:27:22,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:27:22,679 INFO L256 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-25 03:27:22,681 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:27:23,047 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 03:27:24,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:27:24,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 60 states and 123 transitions. [2024-11-25 03:27:24,073 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 123 transitions. [2024-11-25 03:27:24,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-25 03:27:24,074 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:27:24,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:27:24,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:27:24,184 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 03:27:24,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:27:24,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 61 states and 124 transitions. [2024-11-25 03:27:24,472 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 124 transitions. [2024-11-25 03:27:24,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-25 03:27:24,473 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:27:24,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:27:24,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:27:24,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:27:24,768 INFO L256 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-25 03:27:24,771 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:27:25,479 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 03:27:26,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:27:26,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 63 states and 128 transitions. [2024-11-25 03:27:26,452 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 128 transitions. [2024-11-25 03:27:26,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-25 03:27:26,453 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:27:26,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:27:26,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:27:26,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:27:26,508 INFO L256 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-11-25 03:27:26,510 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:27:26,905 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 13 proven. 61 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-25 03:27:28,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:27:28,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 68 states and 141 transitions. [2024-11-25 03:27:28,062 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 141 transitions. [2024-11-25 03:27:28,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-25 03:27:28,063 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:27:28,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:27:28,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:27:28,164 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 03:27:28,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:27:28,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 69 states and 142 transitions. [2024-11-25 03:27:28,513 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 142 transitions. [2024-11-25 03:27:28,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-25 03:27:28,514 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:27:28,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:27:28,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:27:29,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:27:29,081 INFO L256 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-25 03:27:29,083 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:27:29,349 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 03:27:29,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:27:29,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 71 states and 146 transitions. [2024-11-25 03:27:29,876 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 146 transitions. [2024-11-25 03:27:29,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-25 03:27:29,877 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:27:29,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:27:29,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:27:29,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:27:29,955 INFO L256 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-25 03:27:29,956 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:27:30,347 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 03:27:31,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:27:31,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 76 states and 159 transitions. [2024-11-25 03:27:31,630 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 159 transitions. [2024-11-25 03:27:31,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-25 03:27:31,631 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:27:31,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:27:31,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:27:31,737 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 03:27:32,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:27:32,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 77 states and 160 transitions. [2024-11-25 03:27:32,094 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 160 transitions. [2024-11-25 03:27:32,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-25 03:27:32,096 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:27:32,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:27:32,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:27:32,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:27:32,678 INFO L256 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-25 03:27:32,680 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:27:32,921 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 03:27:33,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:27:33,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 79 states and 164 transitions. [2024-11-25 03:27:33,671 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 164 transitions. [2024-11-25 03:27:33,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-25 03:27:33,673 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:27:33,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:27:33,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:27:33,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:27:33,757 INFO L256 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-11-25 03:27:33,760 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:27:34,222 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 18 proven. 72 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-25 03:27:35,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:27:35,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 84 states and 177 transitions. [2024-11-25 03:27:35,855 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 177 transitions. [2024-11-25 03:27:35,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-25 03:27:35,856 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:27:35,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:27:35,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:27:35,988 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 03:27:36,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:27:36,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 85 states and 178 transitions. [2024-11-25 03:27:36,559 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 178 transitions. [2024-11-25 03:27:36,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-25 03:27:36,560 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:27:36,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:27:36,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:27:37,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:27:37,214 INFO L256 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-25 03:27:37,215 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:27:37,483 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 03:27:38,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:27:38,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 87 states and 182 transitions. [2024-11-25 03:27:38,214 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 182 transitions. [2024-11-25 03:27:38,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-25 03:27:38,215 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:27:38,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:27:38,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:27:38,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:27:38,275 INFO L256 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 54 conjuncts are in the unsatisfiable core [2024-11-25 03:27:38,277 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:27:38,845 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 03:27:40,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:27:40,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 92 states and 195 transitions. [2024-11-25 03:27:40,433 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 195 transitions. [2024-11-25 03:27:40,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-25 03:27:40,434 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:27:40,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:27:40,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:27:40,597 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 03:27:41,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:27:41,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 93 states and 196 transitions. [2024-11-25 03:27:41,127 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 196 transitions. [2024-11-25 03:27:41,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-25 03:27:41,128 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:27:41,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:27:41,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:27:42,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:27:42,217 INFO L256 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 44 conjuncts are in the unsatisfiable core [2024-11-25 03:27:42,218 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:27:42,551 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 47 proven. 150 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2024-11-25 03:27:43,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:27:43,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 95 states and 200 transitions. [2024-11-25 03:27:43,292 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 200 transitions. [2024-11-25 03:27:43,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-25 03:27:43,293 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:27:43,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:27:43,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:27:43,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:27:43,368 INFO L256 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 58 conjuncts are in the unsatisfiable core [2024-11-25 03:27:43,371 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:27:43,900 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 21 proven. 141 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-25 03:27:45,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:27:45,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 100 states and 213 transitions. [2024-11-25 03:27:45,666 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 213 transitions. [2024-11-25 03:27:45,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-25 03:27:45,667 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:27:45,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:27:45,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:27:45,777 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 03:27:46,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:27:46,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 101 states and 214 transitions. [2024-11-25 03:27:46,258 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 214 transitions. [2024-11-25 03:27:46,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-25 03:27:46,259 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:27:46,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:27:46,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:27:49,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:27:49,126 INFO L256 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 46 conjuncts are in the unsatisfiable core [2024-11-25 03:27:49,128 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:27:49,483 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 52 proven. 176 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2024-11-25 03:27:50,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:27:50,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 103 states and 218 transitions. [2024-11-25 03:27:50,281 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 218 transitions. [2024-11-25 03:27:50,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-25 03:27:50,282 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:27:50,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:27:50,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:27:50,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:27:50,354 INFO L256 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 52 conjuncts are in the unsatisfiable core [2024-11-25 03:27:50,356 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:27:50,956 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 24 proven. 132 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-25 03:27:52,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:27:52,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 108 states and 231 transitions. [2024-11-25 03:27:52,767 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 231 transitions. [2024-11-25 03:27:52,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-25 03:27:52,768 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:27:52,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:27:52,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:27:52,863 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 03:27:53,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:27:53,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 109 states and 232 transitions. [2024-11-25 03:27:53,341 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 232 transitions. [2024-11-25 03:27:53,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-25 03:27:53,342 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:27:53,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:27:53,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:28:00,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:28:00,058 INFO L256 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-11-25 03:28:00,059 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:28:00,401 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 03:28:01,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:28:01,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 111 states and 236 transitions. [2024-11-25 03:28:01,278 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 236 transitions. [2024-11-25 03:28:01,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-25 03:28:01,278 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:28:01,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:28:01,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:28:01,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:28:01,356 INFO L256 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 56 conjuncts are in the unsatisfiable core [2024-11-25 03:28:01,359 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:28:01,890 INFO L134 CoverageAnalysis]: Checked inductivity of 494 backedges. 26 proven. 156 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-25 03:28:03,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:28:03,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 116 states and 249 transitions. [2024-11-25 03:28:03,875 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 249 transitions. [2024-11-25 03:28:03,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-25 03:28:03,876 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:28:03,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:28:03,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:28:03,967 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 03:28:04,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:28:04,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 117 states and 250 transitions. [2024-11-25 03:28:04,515 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 250 transitions. [2024-11-25 03:28:04,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-25 03:28:04,516 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:28:04,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:28:04,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:28:14,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:28:14,596 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 03:28:14,602 INFO L158 Benchmark]: Toolchain (without parser) took 64675.64ms. Allocated memory was 117.4MB in the beginning and 377.5MB in the end (delta: 260.0MB). Free memory was 93.9MB in the beginning and 311.6MB in the end (delta: -217.7MB). Peak memory consumption was 45.1MB. Max. memory is 16.1GB. [2024-11-25 03:28:14,602 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 142.6MB. Free memory is still 79.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:28:14,603 INFO L158 Benchmark]: CACSL2BoogieTranslator took 322.01ms. Allocated memory is still 117.4MB. Free memory was 93.6MB in the beginning and 82.8MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 03:28:14,603 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.38ms. Allocated memory is still 117.4MB. Free memory was 82.6MB in the beginning and 81.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:28:14,603 INFO L158 Benchmark]: Boogie Preprocessor took 36.37ms. Allocated memory is still 117.4MB. Free memory was 81.5MB in the beginning and 80.9MB in the end (delta: 551.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:28:14,604 INFO L158 Benchmark]: RCFGBuilder took 368.92ms. Allocated memory is still 117.4MB. Free memory was 80.9MB in the beginning and 70.0MB in the end (delta: 10.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 03:28:14,605 INFO L158 Benchmark]: CodeCheck took 63906.78ms. Allocated memory was 117.4MB in the beginning and 377.5MB in the end (delta: 260.0MB). Free memory was 70.0MB in the beginning and 311.6MB in the end (delta: -241.6MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. [2024-11-25 03:28:14,607 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 0.42ms. Allocated memory is still 142.6MB. Free memory is still 79.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 322.01ms. Allocated memory is still 117.4MB. Free memory was 93.6MB in the beginning and 82.8MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.38ms. Allocated memory is still 117.4MB. Free memory was 82.6MB in the beginning and 81.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 36.37ms. Allocated memory is still 117.4MB. Free memory was 81.5MB in the beginning and 80.9MB in the end (delta: 551.9kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 368.92ms. Allocated memory is still 117.4MB. Free memory was 80.9MB in the beginning and 70.0MB in the end (delta: 10.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 63906.78ms. Allocated memory was 117.4MB in the beginning and 377.5MB in the end (delta: 260.0MB). Free memory was 70.0MB in the beginning and 311.6MB in the end (delta: -241.6MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-25 03:28:14,635 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/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_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/ps4-ll.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/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_58d99590-859d-4edb-8dc4-97356ee5f29d/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 ef01badb7f90b6597aa83d48583be40b7afc9a4c054f915d626bd89be70c7009 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:28:17,693 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:28:17,845 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-25 03:28:17,897 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:28:17,898 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:28:17,898 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:28:17,899 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:28:17,899 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:28:17,899 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:28:17,900 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:28:17,900 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 03:28:17,901 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 03:28:17,901 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:28:17,901 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:28:17,901 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:28:17,901 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:28:17,901 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 03:28:17,901 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 03:28:17,901 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 03:28:17,901 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 03:28:17,901 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:28:17,901 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:28:17,902 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:28:17,902 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:28:17,902 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:28:17,902 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:28:17,902 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 03:28:17,902 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 03:28:17,902 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:28:17,902 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:28:17,903 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:28:17,903 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:28:17,903 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:28:17,903 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 03:28:17,903 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 03:28:17,903 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 03:28:17,903 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_58d99590-859d-4edb-8dc4-97356ee5f29d/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 -> ef01badb7f90b6597aa83d48583be40b7afc9a4c054f915d626bd89be70c7009 [2024-11-25 03:28:18,280 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:28:18,296 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:28:18,298 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:28:18,301 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:28:18,302 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:28:18,305 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/nla-digbench/ps4-ll.c [2024-11-25 03:28:21,574 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/data/e76b39810/3b3f83d1d8e640c4b690473e338b23ae/FLAGe20ce0791 [2024-11-25 03:28:21,859 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:28:21,860 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/sv-benchmarks/c/nla-digbench/ps4-ll.c [2024-11-25 03:28:21,868 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/data/e76b39810/3b3f83d1d8e640c4b690473e338b23ae/FLAGe20ce0791 [2024-11-25 03:28:21,884 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/data/e76b39810/3b3f83d1d8e640c4b690473e338b23ae [2024-11-25 03:28:21,887 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:28:21,888 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:28:21,890 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:28:21,890 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:28:21,895 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:28:21,896 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:28:21" (1/1) ... [2024-11-25 03:28:21,898 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71636879 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:28:21, skipping insertion in model container [2024-11-25 03:28:21,898 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:28:21" (1/1) ... [2024-11-25 03:28:21,914 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:28:22,107 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_58d99590-859d-4edb-8dc4-97356ee5f29d/sv-benchmarks/c/nla-digbench/ps4-ll.c[458,471] [2024-11-25 03:28:22,138 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:28:22,153 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:28:22,167 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_58d99590-859d-4edb-8dc4-97356ee5f29d/sv-benchmarks/c/nla-digbench/ps4-ll.c[458,471] [2024-11-25 03:28:22,180 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:28:22,202 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:28:22,203 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:28:22 WrapperNode [2024-11-25 03:28:22,204 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:28:22,205 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:28:22,205 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:28:22,205 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:28:22,215 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:28:22" (1/1) ... [2024-11-25 03:28:22,226 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:28:22" (1/1) ... [2024-11-25 03:28:22,248 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 32 [2024-11-25 03:28:22,249 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:28:22,250 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:28:22,250 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:28:22,251 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:28:22,258 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:28:22" (1/1) ... [2024-11-25 03:28:22,258 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:28:22" (1/1) ... [2024-11-25 03:28:22,260 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:28:22" (1/1) ... [2024-11-25 03:28:22,263 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:28:22" (1/1) ... [2024-11-25 03:28:22,269 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:28:22" (1/1) ... [2024-11-25 03:28:22,274 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:28:22" (1/1) ... [2024-11-25 03:28:22,281 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:28:22" (1/1) ... [2024-11-25 03:28:22,283 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:28:22" (1/1) ... [2024-11-25 03:28:22,283 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:28:22" (1/1) ... [2024-11-25 03:28:22,289 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:28:22,290 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:28:22,290 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:28:22,291 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:28:22,292 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:28:22" (1/1) ... [2024-11-25 03:28:22,301 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:28:22,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:28:22,336 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:28:22,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:28:22,384 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:28:22,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 03:28:22,384 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:28:22,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:28:22,385 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-25 03:28:22,386 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-25 03:28:22,467 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:28:22,469 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:28:22,910 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-11-25 03:28:22,911 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:28:22,950 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:28:22,950 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-25 03:28:22,951 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:28:22 BoogieIcfgContainer [2024-11-25 03:28:22,951 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:28:22,952 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:28:22,952 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:28:22,965 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:28:22,965 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:28:22" (1/1) ... [2024-11-25 03:28:22,976 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:28:23,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:28:23,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 13 states and 17 transitions. [2024-11-25 03:28:23,036 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 17 transitions. [2024-11-25 03:28:23,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 03:28:23,041 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:28:23,042 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:28:23,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:28:23,044 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:28:23,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 03:28:23,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:28:23,129 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:28:23,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:28:23,259 INFO L256 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-25 03:28:23,265 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:28:23,460 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 03:28:23,464 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 03:28:24,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:28:24,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 16 states and 23 transitions. [2024-11-25 03:28:24,493 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 23 transitions. [2024-11-25 03:28:24,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-25 03:28:24,494 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:28:24,494 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:28:24,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:28:24,498 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:28:24,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-25 03:28:24,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:28:24,956 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:28:25,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:28:25,190 INFO L256 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:28:25,194 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:28:25,629 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 03:28:25,638 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-25 03:28:28,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:28:28,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 20 states and 32 transitions. [2024-11-25 03:28:28,707 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 32 transitions. [2024-11-25 03:28:28,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-25 03:28:28,707 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:28:28,707 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:28:28,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:28:28,713 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:28:28,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-25 03:28:29,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:28:29,103 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:28:29,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:28:29,343 INFO L256 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-25 03:28:29,346 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:28:29,627 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 03:28:29,636 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-11-25 03:28:30,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:28:30,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 21 states and 35 transitions. [2024-11-25 03:28:30,744 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 35 transitions. [2024-11-25 03:28:30,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-25 03:28:30,745 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:28:30,745 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:28:30,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:28:30,747 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:28:30,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-25 03:28:30,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:28:30,804 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:28:30,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:28:30,933 INFO L256 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-25 03:28:30,935 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:28:45,709 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 03:28:45,714 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-25 03:29:13,271 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 03:29:14,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:29:14,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 23 states and 40 transitions. [2024-11-25 03:29:14,851 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 40 transitions. [2024-11-25 03:29:14,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-25 03:29:14,852 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:29:14,852 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:29:14,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:29:14,854 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:29:14,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-25 03:29:15,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:29:15,534 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:29:15,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:29:15,899 INFO L256 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-25 03:29:15,902 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:29:16,773 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 03:29:16,786 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-25 03:29:23,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:29:23,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 25 states and 44 transitions. [2024-11-25 03:29:23,684 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 44 transitions. [2024-11-25 03:29:23,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-25 03:29:23,685 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:29:23,685 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:29:23,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:29:23,688 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:29:23,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-25 03:29:24,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:29:24,244 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:29:24,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:29:24,505 INFO L256 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-25 03:29:24,507 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:29:27,046 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 03:29:27,054 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-25 03:29:37,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:29:37,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 30 states and 58 transitions. [2024-11-25 03:29:37,413 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 58 transitions. [2024-11-25 03:29:37,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-25 03:29:37,414 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:29:37,415 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:29:37,415 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:29:37,418 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:29:37,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-25 03:29:37,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:29:37,479 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:29:37,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:29:37,706 INFO L256 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-25 03:29:37,707 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:29:41,293 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 03:29:41,295 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-25 03:29:54,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:29:54,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 31 states and 60 transitions. [2024-11-25 03:29:54,318 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 60 transitions. [2024-11-25 03:29:54,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 03:29:54,319 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:29:54,319 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:29:54,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:29:54,322 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:29:54,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-25 03:29:55,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:29:55,255 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:29:55,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:29:55,792 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-25 03:29:55,794 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:29:56,987 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 03:29:57,001 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-25 03:30:03,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:30:03,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 33 states and 64 transitions. [2024-11-25 03:30:03,865 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 64 transitions. [2024-11-25 03:30:03,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 03:30:03,866 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:30:03,867 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:30:03,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:30:03,872 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:30:03,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-25 03:30:04,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:30:04,623 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:30:04,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:30:05,000 INFO L256 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 03:30:05,002 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:30:07,266 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 03:30:07,276 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-11-25 03:30:15,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:30:15,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 36 states and 73 transitions. [2024-11-25 03:30:15,564 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 73 transitions. [2024-11-25 03:30:15,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-25 03:30:15,567 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:30:15,567 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:30:15,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:30:15,571 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:30:15,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-25 03:30:15,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:30:15,628 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:30:15,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:30:15,953 INFO L256 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-25 03:30:15,954 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:30:19,316 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 03:30:19,319 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-11-25 03:30:35,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:30:35,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 37 states and 75 transitions. [2024-11-25 03:30:35,628 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 75 transitions. [2024-11-25 03:30:35,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 03:30:35,629 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:30:35,630 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:30:35,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:30:35,636 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:30:35,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-25 03:30:37,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:30:37,105 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:30:37,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:30:37,845 INFO L256 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 03:30:37,847 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:30:39,369 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 03:30:39,384 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2024-11-25 03:30:48,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:30:48,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 39 states and 79 transitions. [2024-11-25 03:30:48,602 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 79 transitions. [2024-11-25 03:30:48,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 03:30:48,604 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:30:48,604 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:30:48,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:30:48,606 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:30:48,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-25 03:30:49,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:30:49,727 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:30:50,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:30:50,203 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-25 03:30:50,204 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:30:53,074 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 03:30:53,088 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-11-25 03:31:04,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:31:04,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 42 states and 88 transitions. [2024-11-25 03:31:04,216 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 88 transitions. [2024-11-25 03:31:04,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-25 03:31:04,217 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:31:04,217 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:31:04,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:31:04,221 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:31:04,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-25 03:31:04,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:31:04,292 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:31:04,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:31:04,796 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-25 03:31:04,798 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:31:08,369 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 03:31:08,371 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-11-25 03:31:25,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:31:25,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 43 states and 90 transitions. [2024-11-25 03:31:25,954 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 90 transitions. [2024-11-25 03:31:25,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-25 03:31:25,956 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:31:25,956 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:31:25,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:31:25,959 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:31:25,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-25 03:31:27,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:31:27,484 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:31:28,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:31:28,223 INFO L256 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-25 03:31:28,225 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:31:30,062 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 9 proven. 38 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-25 03:31:30,079 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (15)] Forceful destruction successful, exit code 0 [2024-11-25 03:31:39,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:31:39,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 45 states and 94 transitions. [2024-11-25 03:31:39,472 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 94 transitions. [2024-11-25 03:31:39,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-25 03:31:39,473 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:31:39,473 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:31:39,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:31:39,477 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:31:39,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-25 03:31:40,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:31:40,760 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:31:41,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:31:41,367 INFO L256 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 03:31:41,368 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:31:47,317 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 03:31:47,340 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-11-25 03:32:02,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:32:02,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 48 states and 103 transitions. [2024-11-25 03:32:02,604 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 103 transitions. [2024-11-25 03:32:02,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-25 03:32:02,605 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:32:02,606 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:32:02,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:32:02,608 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:32:02,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-25 03:32:02,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:32:02,671 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:32:03,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:32:03,199 INFO L256 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-25 03:32:03,200 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:32:06,725 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 03:32:06,728 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-11-25 03:32:26,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:32:26,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 49 states and 105 transitions. [2024-11-25 03:32:26,862 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 105 transitions. [2024-11-25 03:32:26,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-25 03:32:26,863 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:32:26,863 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:32:26,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:32:26,867 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:32:26,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-11-25 03:32:28,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:32:28,612 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:32:29,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:32:29,563 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-25 03:32:29,565 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:32:31,939 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 03:32:31,958 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (18)] Forceful destruction successful, exit code 0 [2024-11-25 03:32:43,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:32:43,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 51 states and 109 transitions. [2024-11-25 03:32:43,005 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 109 transitions. [2024-11-25 03:32:43,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-25 03:32:43,005 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:32:43,006 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:32:43,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:32:43,008 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:32:43,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-11-25 03:32:44,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:32:44,680 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:32:45,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:32:45,572 INFO L256 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-25 03:32:45,574 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:32:50,641 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 03:32:50,659 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-11-25 03:33:05,629 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 03:33:06,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:33:06,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 54 states and 118 transitions. [2024-11-25 03:33:06,615 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 118 transitions. [2024-11-25 03:33:06,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-25 03:33:06,616 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:33:06,617 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:33:06,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:33:06,619 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:33:06,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-11-25 03:33:06,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:33:06,679 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:33:07,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:33:07,335 INFO L256 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-25 03:33:07,337 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:33:10,866 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 03:33:10,867 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-11-25 03:33:30,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:33:30,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 55 states and 120 transitions. [2024-11-25 03:33:30,788 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 120 transitions. [2024-11-25 03:33:30,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-25 03:33:30,791 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:33:30,792 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:33:30,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:33:30,795 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:33:30,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-11-25 03:33:33,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:33:33,149 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:33:34,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:33:34,411 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-25 03:33:34,413 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:33:37,932 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 03:33:37,954 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-11-25 03:33:52,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:33:52,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 57 states and 124 transitions. [2024-11-25 03:33:52,049 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 124 transitions. [2024-11-25 03:33:52,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-25 03:33:52,050 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:33:52,050 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:33:52,051 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:33:52,054 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:33:52,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-11-25 03:33:54,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:33:54,250 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:33:55,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:33:55,152 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-25 03:33:55,154 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:34:09,285 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 03:34:09,307 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2024-11-25 03:34:34,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:34:34,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 60 states and 133 transitions. [2024-11-25 03:34:34,748 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 133 transitions. [2024-11-25 03:34:34,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-25 03:34:34,749 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:34:34,749 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:34:34,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:34:34,751 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:34:34,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-11-25 03:34:34,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:34:34,823 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:34:35,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:34:35,526 INFO L256 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-25 03:34:35,528 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:34:39,645 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 03:34:39,647 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2024-11-25 03:35:01,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:35:01,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 61 states and 135 transitions. [2024-11-25 03:35:01,065 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 135 transitions. [2024-11-25 03:35:01,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-25 03:35:01,067 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:35:01,067 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:35:01,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:35:01,069 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:35:01,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-11-25 03:35:03,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:35:03,559 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:35:04,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:35:04,640 INFO L256 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-25 03:35:04,642 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:35:08,592 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 03:35:08,624 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2024-11-25 03:35:25,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:35:25,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 63 states and 139 transitions. [2024-11-25 03:35:25,585 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 139 transitions. [2024-11-25 03:35:25,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-25 03:35:25,586 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:35:25,586 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:35:25,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:35:25,590 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:35:25,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-11-25 03:35:27,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:35:27,970 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:35:28,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:35:29,030 INFO L256 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-25 03:35:29,032 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:35:38,586 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 03:35:38,612 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (25)] Forceful destruction successful, exit code 0 [2024-11-25 03:36:03,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:36:03,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 66 states and 148 transitions. [2024-11-25 03:36:03,705 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 148 transitions. [2024-11-25 03:36:03,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-25 03:36:03,706 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:36:03,706 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:36:03,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:36:03,710 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:36:03,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-11-25 03:36:03,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:36:03,776 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:36:04,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:36:04,526 INFO L256 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-25 03:36:04,527 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:36:09,902 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 03:36:09,904 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2024-11-25 03:36:32,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:36:32,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 67 states and 150 transitions. [2024-11-25 03:36:32,884 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 150 transitions. [2024-11-25 03:36:32,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-25 03:36:32,885 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:36:32,886 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:36:32,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:36:32,888 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:36:32,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-11-25 03:36:35,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:36:35,788 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:36:36,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:36:37,142 INFO L256 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-25 03:36:37,145 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:36:41,880 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 03:36:41,938 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2024-11-25 03:36:59,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:36:59,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 69 states and 154 transitions. [2024-11-25 03:36:59,471 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 154 transitions. [2024-11-25 03:36:59,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-25 03:36:59,472 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:36:59,472 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:36:59,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:36:59,477 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:36:59,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-11-25 03:37:02,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:37:02,029 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:37:02,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:37:03,166 INFO L256 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-25 03:37:03,167 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:37:21,238 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 03:37:21,265 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (28)] Forceful destruction successful, exit code 0 [2024-11-25 03:37:57,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:37:57,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 72 states and 163 transitions. [2024-11-25 03:37:57,160 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 163 transitions. [2024-11-25 03:37:57,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-25 03:37:57,162 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:37:57,162 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:37:57,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:37:57,165 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:37:57,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-11-25 03:37:57,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:37:57,251 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:37:57,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:37:58,182 INFO L256 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-25 03:37:58,183 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:38:03,316 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 03:38:03,324 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (29)] Forceful destruction successful, exit code 0 [2024-11-25 03:38:27,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:38:27,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 73 states and 165 transitions. [2024-11-25 03:38:27,207 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 165 transitions. [2024-11-25 03:38:27,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-25 03:38:27,208 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:38:27,209 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:38:27,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:38:27,213 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:38:27,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-11-25 03:38:29,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:38:29,979 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:38:31,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:38:31,358 INFO L256 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-25 03:38:31,361 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:38:36,572 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 03:38:36,594 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2024-11-25 03:38:55,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:38:55,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 75 states and 169 transitions. [2024-11-25 03:38:55,585 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 169 transitions. [2024-11-25 03:38:55,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-25 03:38:55,586 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:38:55,586 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:38:55,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:38:55,588 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:38:55,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-11-25 03:38:58,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:38:58,042 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:38:59,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:38:59,281 INFO L256 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-25 03:38:59,283 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:39:07,795 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 03:39:07,821 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2024-11-25 03:39:37,797 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.36s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 03:39:38,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:39:38,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 78 states and 178 transitions. [2024-11-25 03:39:38,604 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 178 transitions. [2024-11-25 03:39:38,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-25 03:39:38,605 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:39:38,606 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:39:38,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:39:38,608 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:39:38,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-11-25 03:39:38,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:39:38,702 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:39:39,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:39:39,793 INFO L256 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-25 03:39:39,794 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:39:44,499 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 03:39:44,501 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2024-11-25 03:40:11,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:40:11,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 79 states and 180 transitions. [2024-11-25 03:40:11,638 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 180 transitions. [2024-11-25 03:40:11,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-25 03:40:11,639 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:40:11,639 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:40:11,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:40:11,642 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:40:11,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2024-11-25 03:40:14,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:40:14,976 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:40:16,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:40:16,611 INFO L256 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-25 03:40:16,613 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:40:23,298 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 60 proven. 167 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-25 03:40:23,328 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (33)] Forceful destruction successful, exit code 0 [2024-11-25 03:40:46,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:40:46,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 81 states and 184 transitions. [2024-11-25 03:40:46,098 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 184 transitions. [2024-11-25 03:40:46,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-25 03:40:46,099 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:40:46,099 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:40:46,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:40:46,104 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:40:46,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2024-11-25 03:40:49,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:40:49,248 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:40:50,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:40:50,683 INFO L256 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 46 conjuncts are in the unsatisfiable core [2024-11-25 03:40:50,685 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:41:23,520 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 47 proven. 139 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2024-11-25 03:41:23,547 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d99590-859d-4edb-8dc4-97356ee5f29d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0