./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound100.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 787aa3251fe70c0757344936f9e5c92841f1fb61138cb758df556e9684a50783 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:19:41,688 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:19:41,764 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 20:19:41,770 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:19:41,771 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:19:41,798 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:19:41,799 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:19:41,799 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:19:41,800 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:19:41,800 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:19:41,800 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:19:41,800 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:19:41,801 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 20:19:41,801 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:19:41,801 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 20:19:41,801 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:19:41,801 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:19:41,801 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:19:41,801 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:19:41,801 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:19:41,802 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 20:19:41,802 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:19:41,802 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:19:41,802 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:19:41,803 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:19:41,803 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:19:41,803 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:19:41,803 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:19:41,803 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:19:41,804 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:19:41,804 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:19:41,804 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:19:41,804 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:19:41,804 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_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 787aa3251fe70c0757344936f9e5c92841f1fb61138cb758df556e9684a50783 [2024-11-13 20:19:42,192 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:19:42,207 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:19:42,213 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:19:42,215 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:19:42,215 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:19:42,217 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound100.c Unable to find full path for "g++" [2024-11-13 20:19:44,848 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:19:45,101 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:19:45,102 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound100.c [2024-11-13 20:19:45,111 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/data/0a2b4e4c8/aeabd5b2468b4ad49eec641cef7a4a30/FLAGb296f00c8 [2024-11-13 20:19:45,128 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/data/0a2b4e4c8/aeabd5b2468b4ad49eec641cef7a4a30 [2024-11-13 20:19:45,134 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:19:45,136 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:19:45,137 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:19:45,137 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:19:45,143 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:19:45,146 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:19:45" (1/1) ... [2024-11-13 20:19:45,147 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@125d69d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:19:45, skipping insertion in model container [2024-11-13 20:19:45,147 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:19:45" (1/1) ... [2024-11-13 20:19:45,167 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:19:45,371 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_1fe23e30-fa84-461f-ab1c-d0640722cb6c/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound100.c[458,471] [2024-11-13 20:19:45,396 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:19:45,406 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:19:45,418 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_1fe23e30-fa84-461f-ab1c-d0640722cb6c/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound100.c[458,471] [2024-11-13 20:19:45,425 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:19:45,439 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:19:45,440 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:19:45 WrapperNode [2024-11-13 20:19:45,440 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:19:45,441 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:19:45,441 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:19:45,441 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:19:45,448 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:19:45" (1/1) ... [2024-11-13 20:19:45,453 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:19:45" (1/1) ... [2024-11-13 20:19:45,470 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 37 [2024-11-13 20:19:45,470 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:19:45,471 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:19:45,471 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:19:45,472 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:19:45,479 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:19:45" (1/1) ... [2024-11-13 20:19:45,479 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:19:45" (1/1) ... [2024-11-13 20:19:45,480 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:19:45" (1/1) ... [2024-11-13 20:19:45,481 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:19:45" (1/1) ... [2024-11-13 20:19:45,484 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:19:45" (1/1) ... [2024-11-13 20:19:45,487 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:19:45" (1/1) ... [2024-11-13 20:19:45,489 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:19:45" (1/1) ... [2024-11-13 20:19:45,489 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:19:45" (1/1) ... [2024-11-13 20:19:45,491 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:19:45,492 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:19:45,492 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:19:45,492 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:19:45,493 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:19:45" (1/1) ... [2024-11-13 20:19:45,501 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:19:45,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:19:45,538 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:19:45,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:19:45,582 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:19:45,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 20:19:45,583 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:19:45,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:19:45,584 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 20:19:45,584 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 20:19:45,681 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:19:45,683 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:19:45,898 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-13 20:19:45,900 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:19:45,963 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:19:45,964 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 20:19:45,964 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:19:45 BoogieIcfgContainer [2024-11-13 20:19:45,964 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:19:45,965 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:19:45,966 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:19:45,980 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:19:45,980 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:19:45" (1/1) ... [2024-11-13 20:19:45,993 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:19:46,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:19:46,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2024-11-13 20:19:46,069 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2024-11-13 20:19:46,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 20:19:46,074 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:19:46,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:19:46,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:19:46,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:19:46,278 INFO L255 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 20:19:46,286 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:19:46,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:19:46,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:19:46,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 18 states and 25 transitions. [2024-11-13 20:19:46,656 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 25 transitions. [2024-11-13 20:19:46,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 20:19:46,660 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:19:46,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:19:46,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:19:46,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:19:46,731 INFO L255 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 20:19:46,733 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:19:46,809 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:19:46,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:19:46,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 20 states and 30 transitions. [2024-11-13 20:19:46,895 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 30 transitions. [2024-11-13 20:19:46,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 20:19:46,895 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:19:46,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:19:46,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:19:46,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:19:46,956 INFO L255 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-13 20:19:46,959 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:19:47,224 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:19:47,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:19:47,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 25 states and 40 transitions. [2024-11-13 20:19:47,839 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 40 transitions. [2024-11-13 20:19:47,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 20:19:47,841 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:19:47,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:19:47,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:19:48,127 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 20:19:48,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:19:48,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 23 states and 32 transitions. [2024-11-13 20:19:48,499 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 32 transitions. [2024-11-13 20:19:48,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 20:19:48,500 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:19:48,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:19:48,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:19:48,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:19:48,557 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-13 20:19:48,559 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:19:48,921 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 20:19:49,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:19:49,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 30 states and 48 transitions. [2024-11-13 20:19:49,753 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 48 transitions. [2024-11-13 20:19:49,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 20:19:49,754 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:19:49,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:19:49,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:19:49,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:19:49,844 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:19:49,847 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:19:49,980 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 20:19:50,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:19:50,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 32 states and 52 transitions. [2024-11-13 20:19:50,396 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 52 transitions. [2024-11-13 20:19:50,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 20:19:50,400 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:19:50,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:19:50,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:19:50,592 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-13 20:19:50,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:19:50,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 33 states and 54 transitions. [2024-11-13 20:19:50,869 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 54 transitions. [2024-11-13 20:19:50,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-13 20:19:50,871 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:19:50,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:19:50,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:19:50,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:19:50,930 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 20:19:50,932 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:19:51,237 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 20:19:52,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:19:52,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 40 states and 68 transitions. [2024-11-13 20:19:52,378 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 68 transitions. [2024-11-13 20:19:52,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 20:19:52,382 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:19:52,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:19:52,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:19:52,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:19:52,489 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-13 20:19:52,493 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:19:52,661 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 6 proven. 15 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 20:19:53,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:19:53,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 42 states and 72 transitions. [2024-11-13 20:19:53,133 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 72 transitions. [2024-11-13 20:19:53,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 20:19:53,135 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:19:53,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:19:53,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:19:53,343 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 20:19:53,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:19:53,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 43 states and 74 transitions. [2024-11-13 20:19:53,681 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 74 transitions. [2024-11-13 20:19:53,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-13 20:19:53,684 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:19:53,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:19:53,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:19:53,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:19:53,767 INFO L255 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-13 20:19:53,769 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:19:54,119 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 18 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-13 20:19:55,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:19:55,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 50 states and 88 transitions. [2024-11-13 20:19:55,551 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 88 transitions. [2024-11-13 20:19:55,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-13 20:19:55,555 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:19:55,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:19:55,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:19:55,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:19:55,666 INFO L255 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-13 20:19:55,669 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:19:55,890 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 8 proven. 26 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-13 20:19:56,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:19:56,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 52 states and 92 transitions. [2024-11-13 20:19:56,458 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 92 transitions. [2024-11-13 20:19:56,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-13 20:19:56,459 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:19:56,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:19:56,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:19:56,590 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 21 proven. 4 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-11-13 20:19:56,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:19:56,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 53 states and 94 transitions. [2024-11-13 20:19:56,966 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 94 transitions. [2024-11-13 20:19:56,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-13 20:19:56,970 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:19:56,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:19:57,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:19:57,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:19:57,051 INFO L255 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-13 20:19:57,053 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:19:57,468 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 10 proven. 30 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-13 20:19:59,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:19:59,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 60 states and 108 transitions. [2024-11-13 20:19:59,170 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 108 transitions. [2024-11-13 20:19:59,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-13 20:19:59,175 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:19:59,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:19:59,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:19:59,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:19:59,313 INFO L255 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-13 20:19:59,316 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:19:59,541 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 10 proven. 40 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-13 20:20:00,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:20:00,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 62 states and 112 transitions. [2024-11-13 20:20:00,167 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 112 transitions. [2024-11-13 20:20:00,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-13 20:20:00,169 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:20:00,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:20:00,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:20:00,330 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 27 proven. 4 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2024-11-13 20:20:00,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:20:00,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 63 states and 114 transitions. [2024-11-13 20:20:00,739 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 114 transitions. [2024-11-13 20:20:00,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-13 20:20:00,740 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:20:00,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:20:00,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:20:00,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:20:00,813 INFO L255 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-13 20:20:00,815 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:20:01,279 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 12 proven. 45 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 20:20:03,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:20:03,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 70 states and 128 transitions. [2024-11-13 20:20:03,055 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 128 transitions. [2024-11-13 20:20:03,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-13 20:20:03,057 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:20:03,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:20:03,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:20:03,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:20:03,550 INFO L255 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-13 20:20:03,553 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:20:04,360 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 26 proven. 58 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-13 20:20:05,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:20:05,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 72 states and 132 transitions. [2024-11-13 20:20:05,605 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 132 transitions. [2024-11-13 20:20:05,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-13 20:20:05,606 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:20:05,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:20:05,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:20:05,763 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 33 proven. 4 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2024-11-13 20:20:06,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:20:06,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 73 states and 134 transitions. [2024-11-13 20:20:06,152 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 134 transitions. [2024-11-13 20:20:06,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-13 20:20:06,154 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:20:06,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:20:06,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:20:06,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:20:06,216 INFO L255 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 44 conjuncts are in the unsatisfiable core [2024-11-13 20:20:06,218 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:20:06,825 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 42 proven. 65 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-11-13 20:20:08,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:20:08,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 80 states and 148 transitions. [2024-11-13 20:20:08,461 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 148 transitions. [2024-11-13 20:20:08,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-13 20:20:08,462 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:20:08,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:20:08,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:20:08,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:20:08,858 INFO L255 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-13 20:20:08,860 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:20:09,623 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 31 proven. 78 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-13 20:20:10,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:20:10,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 82 states and 152 transitions. [2024-11-13 20:20:10,767 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 152 transitions. [2024-11-13 20:20:10,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-13 20:20:10,768 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:20:10,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:20:10,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:20:10,913 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 39 proven. 4 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-13 20:20:11,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:20:11,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 83 states and 154 transitions. [2024-11-13 20:20:11,304 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 154 transitions. [2024-11-13 20:20:11,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-13 20:20:11,305 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:20:11,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:20:11,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:20:11,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:20:11,376 INFO L255 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-13 20:20:11,378 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:20:11,805 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 16 proven. 84 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-13 20:20:13,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:20:13,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 90 states and 168 transitions. [2024-11-13 20:20:13,563 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 168 transitions. [2024-11-13 20:20:13,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-13 20:20:13,564 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:20:13,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:20:13,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:20:13,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:20:13,995 INFO L255 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-13 20:20:13,996 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:20:14,277 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 36 proven. 101 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2024-11-13 20:20:15,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:20:15,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 92 states and 172 transitions. [2024-11-13 20:20:15,128 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 172 transitions. [2024-11-13 20:20:15,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-13 20:20:15,129 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:20:15,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:20:15,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:20:15,239 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 45 proven. 4 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2024-11-13 20:20:15,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:20:15,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 93 states and 174 transitions. [2024-11-13 20:20:15,705 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 174 transitions. [2024-11-13 20:20:15,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-13 20:20:15,706 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:20:15,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:20:15,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:20:15,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:20:15,775 INFO L255 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-11-13 20:20:15,777 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:20:16,263 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 18 proven. 108 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-13 20:20:18,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:20:18,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 100 states and 188 transitions. [2024-11-13 20:20:18,309 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 188 transitions. [2024-11-13 20:20:18,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-13 20:20:18,310 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:20:18,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:20:18,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:20:18,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:20:18,856 INFO L255 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-13 20:20:18,858 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:20:19,238 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 41 proven. 127 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-13 20:20:20,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:20:20,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 102 states and 192 transitions. [2024-11-13 20:20:20,211 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 192 transitions. [2024-11-13 20:20:20,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-13 20:20:20,212 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:20:20,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:20:20,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:20:20,347 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 51 proven. 4 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2024-11-13 20:20:20,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:20:20,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 103 states and 194 transitions. [2024-11-13 20:20:20,954 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 194 transitions. [2024-11-13 20:20:20,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-13 20:20:20,955 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:20:20,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:20:20,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:20:21,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:20:21,043 INFO L255 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 44 conjuncts are in the unsatisfiable core [2024-11-13 20:20:21,045 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:20:21,687 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 20 proven. 135 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-13 20:20:24,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:20:24,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 110 states and 208 transitions. [2024-11-13 20:20:24,265 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 208 transitions. [2024-11-13 20:20:24,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-13 20:20:24,266 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:20:24,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:20:24,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:20:24,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:20:24,602 INFO L255 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-13 20:20:24,603 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:20:24,967 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 46 proven. 156 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2024-11-13 20:20:25,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:20:25,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 112 states and 212 transitions. [2024-11-13 20:20:25,971 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 212 transitions. [2024-11-13 20:20:25,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-13 20:20:25,971 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:20:25,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:20:25,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:20:26,063 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 57 proven. 4 refuted. 0 times theorem prover too weak. 316 trivial. 0 not checked. [2024-11-13 20:20:26,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:20:26,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 113 states and 214 transitions. [2024-11-13 20:20:26,695 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 214 transitions. [2024-11-13 20:20:26,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-13 20:20:26,700 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:20:26,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:20:26,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:20:26,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:20:26,804 INFO L255 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-11-13 20:20:26,806 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:20:27,446 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 22 proven. 165 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-13 20:20:30,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:20:30,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 120 states and 228 transitions. [2024-11-13 20:20:30,268 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 228 transitions. [2024-11-13 20:20:30,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-13 20:20:30,269 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:20:30,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:20:30,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:20:31,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:20:31,595 INFO L255 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-13 20:20:31,597 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:20:31,972 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 51 proven. 188 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-13 20:20:33,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:20:33,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 122 states and 232 transitions. [2024-11-13 20:20:33,039 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 232 transitions. [2024-11-13 20:20:33,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-13 20:20:33,040 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:20:33,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:20:33,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:20:33,123 INFO L134 CoverageAnalysis]: Checked inductivity of 453 backedges. 63 proven. 4 refuted. 0 times theorem prover too weak. 386 trivial. 0 not checked. [2024-11-13 20:20:33,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:20:33,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 123 states and 234 transitions. [2024-11-13 20:20:33,705 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 234 transitions. [2024-11-13 20:20:33,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-13 20:20:33,706 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:20:33,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:20:33,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:20:33,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:20:33,798 INFO L255 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 52 conjuncts are in the unsatisfiable core [2024-11-13 20:20:33,801 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:20:34,433 INFO L134 CoverageAnalysis]: Checked inductivity of 486 backedges. 24 proven. 198 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-13 20:20:37,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:20:37,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 130 states and 248 transitions. [2024-11-13 20:20:37,289 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 248 transitions. [2024-11-13 20:20:37,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-13 20:20:37,290 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:20:37,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:20:37,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:20:37,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:20:37,921 INFO L255 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-13 20:20:37,922 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:20:38,334 INFO L134 CoverageAnalysis]: Checked inductivity of 510 backedges. 56 proven. 223 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2024-11-13 20:20:39,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:20:39,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 132 states and 252 transitions. [2024-11-13 20:20:39,495 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 252 transitions. [2024-11-13 20:20:39,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-13 20:20:39,495 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:20:39,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:20:39,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:20:39,582 INFO L134 CoverageAnalysis]: Checked inductivity of 536 backedges. 69 proven. 4 refuted. 0 times theorem prover too weak. 463 trivial. 0 not checked. [2024-11-13 20:20:40,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:20:40,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 133 states and 254 transitions. [2024-11-13 20:20:40,253 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 254 transitions. [2024-11-13 20:20:40,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-13 20:20:40,254 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:20:40,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:20:40,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:20:40,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:20:40,354 INFO L255 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 56 conjuncts are in the unsatisfiable core [2024-11-13 20:20:40,356 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:20:41,026 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 26 proven. 234 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-13 20:20:44,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:20:44,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 140 states and 268 transitions. [2024-11-13 20:20:44,304 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 268 transitions. [2024-11-13 20:20:44,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-13 20:20:44,305 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:20:44,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:20:44,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:20:47,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:20:47,482 INFO L255 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-11-13 20:20:47,484 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:20:47,953 INFO L134 CoverageAnalysis]: Checked inductivity of 598 backedges. 61 proven. 261 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2024-11-13 20:20:49,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:20:49,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 142 states and 272 transitions. [2024-11-13 20:20:49,251 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 272 transitions. [2024-11-13 20:20:49,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-13 20:20:49,252 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:20:49,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:20:49,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:20:49,340 INFO L134 CoverageAnalysis]: Checked inductivity of 626 backedges. 75 proven. 4 refuted. 0 times theorem prover too weak. 547 trivial. 0 not checked. [2024-11-13 20:20:50,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:20:50,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 143 states and 274 transitions. [2024-11-13 20:20:50,137 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 274 transitions. [2024-11-13 20:20:50,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-13 20:20:50,137 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:20:50,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:20:50,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:20:50,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:20:50,265 INFO L255 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 60 conjuncts are in the unsatisfiable core [2024-11-13 20:20:50,268 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:20:51,015 INFO L134 CoverageAnalysis]: Checked inductivity of 665 backedges. 28 proven. 273 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-13 20:20:54,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:20:54,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 150 states and 288 transitions. [2024-11-13 20:20:54,456 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 288 transitions. [2024-11-13 20:20:54,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-13 20:20:54,457 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:20:54,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:20:54,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:20:55,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:20:55,223 INFO L255 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-11-13 20:20:55,225 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:20:55,718 INFO L134 CoverageAnalysis]: Checked inductivity of 693 backedges. 66 proven. 302 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2024-11-13 20:20:57,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:20:57,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 152 states and 292 transitions. [2024-11-13 20:20:57,193 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 292 transitions. [2024-11-13 20:20:57,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-13 20:20:57,194 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:20:57,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:20:57,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:20:57,314 INFO L134 CoverageAnalysis]: Checked inductivity of 723 backedges. 81 proven. 4 refuted. 0 times theorem prover too weak. 638 trivial. 0 not checked. [2024-11-13 20:20:58,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:20:58,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 153 states and 294 transitions. [2024-11-13 20:20:58,104 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 294 transitions. [2024-11-13 20:20:58,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-13 20:20:58,104 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:20:58,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:20:58,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:20:58,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:20:58,283 INFO L255 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 64 conjuncts are in the unsatisfiable core [2024-11-13 20:20:58,286 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:20:59,077 INFO L134 CoverageAnalysis]: Checked inductivity of 765 backedges. 30 proven. 315 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-13 20:21:03,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:21:03,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 160 states and 308 transitions. [2024-11-13 20:21:03,202 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 308 transitions. [2024-11-13 20:21:03,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-13 20:21:03,203 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:21:03,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:21:03,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:21:03,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:21:03,890 INFO L255 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 52 conjuncts are in the unsatisfiable core [2024-11-13 20:21:03,891 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:21:04,395 INFO L134 CoverageAnalysis]: Checked inductivity of 795 backedges. 67 proven. 386 refuted. 0 times theorem prover too weak. 342 trivial. 0 not checked. [2024-11-13 20:21:05,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:21:05,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 162 states and 312 transitions. [2024-11-13 20:21:05,979 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 312 transitions. [2024-11-13 20:21:05,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-13 20:21:05,979 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:21:05,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:21:05,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:21:06,078 INFO L134 CoverageAnalysis]: Checked inductivity of 827 backedges. 87 proven. 4 refuted. 0 times theorem prover too weak. 736 trivial. 0 not checked. [2024-11-13 20:21:06,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:21:06,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 163 states and 314 transitions. [2024-11-13 20:21:06,968 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 314 transitions. [2024-11-13 20:21:06,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-13 20:21:06,970 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:21:06,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:21:06,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:21:07,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:21:07,063 INFO L255 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 68 conjuncts are in the unsatisfiable core [2024-11-13 20:21:07,066 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:21:07,896 INFO L134 CoverageAnalysis]: Checked inductivity of 872 backedges. 32 proven. 360 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-13 20:21:12,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:21:12,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 170 states and 328 transitions. [2024-11-13 20:21:12,086 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 328 transitions. [2024-11-13 20:21:12,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-13 20:21:12,087 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:21:12,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:21:12,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:21:22,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:21:22,173 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) [2024-11-13 20:21:22,178 INFO L158 Benchmark]: Toolchain (without parser) took 97042.23ms. Allocated memory was 117.4MB in the beginning and 478.2MB in the end (delta: 360.7MB). Free memory was 92.3MB in the beginning and 285.0MB in the end (delta: -192.8MB). Peak memory consumption was 172.2MB. Max. memory is 16.1GB. [2024-11-13 20:21:22,179 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 117.4MB. Free memory is still 72.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:21:22,179 INFO L158 Benchmark]: CACSL2BoogieTranslator took 303.26ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 81.1MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:21:22,180 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.82ms. Allocated memory is still 117.4MB. Free memory was 81.1MB in the beginning and 80.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:21:22,180 INFO L158 Benchmark]: Boogie Preprocessor took 19.73ms. Allocated memory is still 117.4MB. Free memory was 80.1MB in the beginning and 79.5MB in the end (delta: 574.1kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:21:22,181 INFO L158 Benchmark]: RCFGBuilder took 472.82ms. Allocated memory is still 117.4MB. Free memory was 79.5MB in the beginning and 68.0MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:21:22,182 INFO L158 Benchmark]: CodeCheck took 96211.58ms. Allocated memory was 117.4MB in the beginning and 478.2MB in the end (delta: 360.7MB). Free memory was 68.0MB in the beginning and 285.0MB in the end (delta: -217.0MB). Peak memory consumption was 147.0MB. Max. memory is 16.1GB. [2024-11-13 20:21:22,184 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 0.40ms. Allocated memory is still 117.4MB. Free memory is still 72.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 303.26ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 81.1MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.82ms. Allocated memory is still 117.4MB. Free memory was 81.1MB in the beginning and 80.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 19.73ms. Allocated memory is still 117.4MB. Free memory was 80.1MB in the beginning and 79.5MB in the end (delta: 574.1kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 472.82ms. Allocated memory is still 117.4MB. Free memory was 79.5MB in the beginning and 68.0MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 96211.58ms. Allocated memory was 117.4MB in the beginning and 478.2MB in the end (delta: 360.7MB). Free memory was 68.0MB in the beginning and 285.0MB in the end (delta: -217.0MB). Peak memory consumption was 147.0MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-13 20:21:22,217 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/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_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 787aa3251fe70c0757344936f9e5c92841f1fb61138cb758df556e9684a50783 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:21:24,720 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:21:24,847 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-13 20:21:24,895 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:21:24,897 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:21:24,897 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:21:24,897 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:21:24,897 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:21:24,898 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:21:24,898 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:21:24,898 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 20:21:24,898 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 20:21:24,898 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:21:24,898 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:21:24,898 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:21:24,898 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:21:24,899 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 20:21:24,899 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 20:21:24,899 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:21:24,899 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 20:21:24,899 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 20:21:24,899 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:21:24,899 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:21:24,899 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:21:24,899 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:21:24,900 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:21:24,900 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:21:24,900 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 20:21:24,901 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:21:24,902 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:21:24,902 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:21:24,902 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:21:24,902 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:21:24,902 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 20:21:24,903 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:21:24,903 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 20:21:24,903 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_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 787aa3251fe70c0757344936f9e5c92841f1fb61138cb758df556e9684a50783 [2024-11-13 20:21:25,251 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:21:25,259 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:21:25,261 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:21:25,266 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:21:25,267 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:21:25,268 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound100.c Unable to find full path for "g++" [2024-11-13 20:21:27,199 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:21:27,435 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:21:27,438 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound100.c [2024-11-13 20:21:27,449 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/data/2e687a083/b5242ecb3c024c468ce590502b4da25e/FLAG8e33225bb [2024-11-13 20:21:27,473 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/data/2e687a083/b5242ecb3c024c468ce590502b4da25e [2024-11-13 20:21:27,476 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:21:27,477 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:21:27,481 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:21:27,483 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:21:27,488 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:21:27,489 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:21:27" (1/1) ... [2024-11-13 20:21:27,491 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7de05e38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:21:27, skipping insertion in model container [2024-11-13 20:21:27,491 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:21:27" (1/1) ... [2024-11-13 20:21:27,507 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:21:27,680 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_1fe23e30-fa84-461f-ab1c-d0640722cb6c/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound100.c[458,471] [2024-11-13 20:21:27,711 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:21:27,725 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:21:27,740 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_1fe23e30-fa84-461f-ab1c-d0640722cb6c/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound100.c[458,471] [2024-11-13 20:21:27,754 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:21:27,775 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:21:27,776 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:21:27 WrapperNode [2024-11-13 20:21:27,777 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:21:27,778 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:21:27,778 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:21:27,779 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:21:27,785 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:21:27" (1/1) ... [2024-11-13 20:21:27,794 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:21:27" (1/1) ... [2024-11-13 20:21:27,812 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 36 [2024-11-13 20:21:27,814 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:21:27,815 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:21:27,815 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:21:27,816 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:21:27,823 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:21:27" (1/1) ... [2024-11-13 20:21:27,824 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:21:27" (1/1) ... [2024-11-13 20:21:27,826 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:21:27" (1/1) ... [2024-11-13 20:21:27,828 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:21:27" (1/1) ... [2024-11-13 20:21:27,838 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:21:27" (1/1) ... [2024-11-13 20:21:27,845 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:21:27" (1/1) ... [2024-11-13 20:21:27,846 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:21:27" (1/1) ... [2024-11-13 20:21:27,847 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:21:27" (1/1) ... [2024-11-13 20:21:27,852 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:21:27,853 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:21:27,854 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:21:27,854 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:21:27,858 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:21:27" (1/1) ... [2024-11-13 20:21:27,864 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:21:27,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:21:27,896 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:21:27,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:21:27,931 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:21:27,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 20:21:27,931 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:21:27,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:21:27,932 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 20:21:27,932 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 20:21:28,017 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:21:28,019 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:21:28,326 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-13 20:21:28,326 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:21:28,391 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:21:28,392 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 20:21:28,392 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:21:28 BoogieIcfgContainer [2024-11-13 20:21:28,392 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:21:28,393 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:21:28,393 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:21:28,405 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:21:28,405 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:21:28" (1/1) ... [2024-11-13 20:21:28,414 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:21:28,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:21:28,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2024-11-13 20:21:28,469 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2024-11-13 20:21:28,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 20:21:28,473 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:21:28,473 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:21:28,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:21:28,478 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:21:28,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 20:21:28,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:21:28,768 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:21:28,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:21:28,913 INFO L255 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 20:21:28,920 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:21:29,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:21:29,193 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 20:21:30,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:21:30,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 18 states and 25 transitions. [2024-11-13 20:21:30,681 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 25 transitions. [2024-11-13 20:21:30,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 20:21:30,686 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:21:30,686 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:21:30,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:21:30,689 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:21:30,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 20:21:31,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:21:31,129 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:21:31,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:21:31,348 INFO L255 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 20:21:31,351 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:21:31,801 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:21:31,807 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-13 20:21:36,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:21:36,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 24 states and 40 transitions. [2024-11-13 20:21:36,045 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 40 transitions. [2024-11-13 20:21:36,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 20:21:36,046 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:21:36,046 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:21:36,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:21:36,049 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:21:36,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-13 20:21:36,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:21:36,600 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:21:36,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:21:36,876 INFO L255 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 20:21:36,879 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:21:37,226 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:21:37,233 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-13 20:21:39,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:21:39,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 27 states and 46 transitions. [2024-11-13 20:21:39,941 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 46 transitions. [2024-11-13 20:21:39,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 20:21:39,943 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:21:39,943 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:21:39,943 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:21:39,948 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:21:39,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-13 20:21:40,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:21:40,008 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:21:40,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:21:40,135 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 20:21:40,137 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:21:52,418 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 20:21:52,424 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-13 20:22:16,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:22:16,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 29 states and 51 transitions. [2024-11-13 20:22:16,913 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 51 transitions. [2024-11-13 20:22:16,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 20:22:16,914 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:22:16,914 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:22:16,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:22:16,917 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:22:16,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-13 20:22:17,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:22:17,559 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:22:17,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:22:17,872 INFO L255 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 20:22:17,874 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:22:20,793 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 20:22:20,801 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2024-11-13 20:22:35,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:22:35,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 36 states and 68 transitions. [2024-11-13 20:22:35,467 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 68 transitions. [2024-11-13 20:22:35,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 20:22:35,468 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:22:35,468 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:22:35,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:22:35,470 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:22:35,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-13 20:22:36,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:22:36,218 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:22:36,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:22:36,671 INFO L255 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 20:22:36,673 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:22:38,079 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 20:22:38,089 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2024-11-13 20:22:44,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:22:44,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 39 states and 74 transitions. [2024-11-13 20:22:44,043 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 74 transitions. [2024-11-13 20:22:44,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 20:22:44,044 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:22:44,044 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:22:44,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:22:44,046 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:22:44,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-13 20:22:44,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:22:44,089 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:22:44,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:22:44,306 INFO L255 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 20:22:44,308 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:22:47,507 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-13 20:22:47,510 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-13 20:23:02,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:23:02,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 40 states and 77 transitions. [2024-11-13 20:23:02,577 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 77 transitions. [2024-11-13 20:23:02,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-13 20:23:02,578 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:23:02,578 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:23:02,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:23:02,582 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:23:02,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-13 20:23:03,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:23:03,344 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:23:03,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:23:03,734 INFO L255 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:23:03,737 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:23:07,305 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 5 proven. 16 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 20:23:07,316 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-13 20:23:21,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:23:21,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 44 states and 88 transitions. [2024-11-13 20:23:21,469 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 88 transitions. [2024-11-13 20:23:21,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 20:23:21,470 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:23:21,471 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:23:21,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:23:21,475 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:23:21,476 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-13 20:23:22,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:23:22,429 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:23:22,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:23:22,915 INFO L255 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 20:23:22,918 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:23:24,340 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 7 proven. 20 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 20:23:24,355 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-11-13 20:23:33,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:23:33,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 47 states and 94 transitions. [2024-11-13 20:23:33,724 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 94 transitions. [2024-11-13 20:23:33,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 20:23:33,725 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:23:33,726 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:23:33,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:23:33,730 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:23:33,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-13 20:23:33,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:23:33,787 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:23:34,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:23:34,136 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 20:23:34,137 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:23:37,808 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 20:23:37,810 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-11-13 20:23:54,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:23:54,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 48 states and 97 transitions. [2024-11-13 20:23:54,048 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 97 transitions. [2024-11-13 20:23:54,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-13 20:23:54,050 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:23:54,050 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:23:54,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:23:54,055 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:23:54,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-13 20:23:54,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:23:54,952 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:23:55,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:23:55,393 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-13 20:23:55,395 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:23:58,420 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 7 proven. 28 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-13 20:23:58,431 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-11-13 20:24:14,793 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 20:24:15,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:24:15,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 52 states and 108 transitions. [2024-11-13 20:24:15,787 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 108 transitions. [2024-11-13 20:24:15,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-13 20:24:15,788 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:24:15,788 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:24:15,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:24:15,791 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:24:15,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-13 20:24:16,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:24:16,986 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:24:17,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:24:17,556 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-13 20:24:17,558 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:24:19,521 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 9 proven. 37 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 20:24:19,534 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-11-13 20:24:28,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:24:28,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 55 states and 114 transitions. [2024-11-13 20:24:28,500 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 114 transitions. [2024-11-13 20:24:28,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-13 20:24:28,503 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:24:28,503 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:24:28,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:24:28,509 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:24:28,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-13 20:24:28,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:24:28,577 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:24:28,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:24:28,985 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 20:24:28,987 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:24:32,045 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 21 proven. 4 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-11-13 20:24:32,047 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (14)] Forceful destruction successful, exit code 0 [2024-11-13 20:24:51,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:24:51,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 56 states and 117 transitions. [2024-11-13 20:24:51,167 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 117 transitions. [2024-11-13 20:24:51,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-13 20:24:51,169 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:24:51,169 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:24:51,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:24:51,173 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:24:51,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-13 20:24:52,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:24:52,370 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:24:52,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:24:52,938 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-13 20:24:52,940 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:25:00,084 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 9 proven. 43 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-13 20:25:00,098 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-11-13 20:25:22,078 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 20:25:22,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:25:22,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 60 states and 128 transitions. [2024-11-13 20:25:22,704 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 128 transitions. [2024-11-13 20:25:22,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-13 20:25:22,705 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:25:22,705 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:25:22,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:25:22,708 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:25:22,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-13 20:25:24,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:25:24,289 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:25:25,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:25:25,127 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-13 20:25:25,129 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:25:27,671 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 11 proven. 57 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 20:25:27,707 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-11-13 20:25:38,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:25:38,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 63 states and 134 transitions. [2024-11-13 20:25:38,740 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 134 transitions. [2024-11-13 20:25:38,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-13 20:25:38,741 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:25:38,741 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:25:38,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:25:38,743 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:25:38,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-13 20:25:38,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:25:38,796 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:25:39,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:25:39,238 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 20:25:39,240 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:25:41,597 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 27 proven. 4 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2024-11-13 20:25:41,599 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-11-13 20:26:00,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:26:00,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 64 states and 137 transitions. [2024-11-13 20:26:00,562 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 137 transitions. [2024-11-13 20:26:00,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-13 20:26:00,563 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:26:00,563 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:26:00,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:26:00,569 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:26:00,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-11-13 20:26:02,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:26:02,065 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:26:02,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:26:02,697 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-13 20:26:02,700 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:26:07,623 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 11 proven. 61 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-13 20:26:07,651 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-11-13 20:26:28,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:26:29,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 68 states and 148 transitions. [2024-11-13 20:26:29,000 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 148 transitions. [2024-11-13 20:26:29,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-13 20:26:29,000 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:26:29,000 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:26:29,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:26:29,003 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:26:29,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-11-13 20:26:30,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:26:30,736 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:26:31,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:26:31,506 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-13 20:26:31,508 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:26:34,440 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 13 proven. 80 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-13 20:26:34,457 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (19)] Forceful destruction successful, exit code 0 [2024-11-13 20:26:47,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:26:47,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 71 states and 154 transitions. [2024-11-13 20:26:47,072 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 154 transitions. [2024-11-13 20:26:47,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-13 20:26:47,074 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:26:47,074 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:26:47,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:26:47,076 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:26:47,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-11-13 20:26:47,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:26:47,141 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:26:47,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:26:47,739 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 20:26:47,740 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:26:50,561 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 33 proven. 4 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2024-11-13 20:26:50,562 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (20)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 20:26:50,562 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-11-13 20:27:08,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:27:08,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 72 states and 157 transitions. [2024-11-13 20:27:08,023 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 157 transitions. [2024-11-13 20:27:08,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-13 20:27:08,024 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:27:08,024 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:27:08,024 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:27:08,028 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:27:08,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-11-13 20:27:09,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:27:09,625 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:27:10,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:27:10,497 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-13 20:27:10,499 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:27:18,388 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 13 proven. 82 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-13 20:27:18,412 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-11-13 20:27:47,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:27:47,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 76 states and 168 transitions. [2024-11-13 20:27:47,401 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 168 transitions. [2024-11-13 20:27:47,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-13 20:27:47,402 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:27:47,403 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:27:47,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:27:47,406 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:27:47,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-11-13 20:27:49,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:27:49,115 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:27:49,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:27:50,002 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-13 20:27:50,004 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:27:53,553 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 15 proven. 106 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-11-13 20:27:53,573 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2024-11-13 20:28:08,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:28:08,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 79 states and 174 transitions. [2024-11-13 20:28:08,594 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 174 transitions. [2024-11-13 20:28:08,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-13 20:28:08,595 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:28:08,596 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:28:08,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:28:08,597 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:28:08,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-11-13 20:28:08,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:28:08,656 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:28:09,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:28:09,260 INFO L255 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 20:28:09,261 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:28:12,169 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 39 proven. 4 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-13 20:28:12,171 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (23)] Forceful destruction successful, exit code 0 [2024-11-13 20:28:32,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:28:32,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 80 states and 177 transitions. [2024-11-13 20:28:32,369 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 177 transitions. [2024-11-13 20:28:32,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-13 20:28:32,370 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:28:32,370 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:28:32,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:28:32,372 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:28:32,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-11-13 20:28:34,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:28:34,115 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:28:34,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:28:34,993 INFO L255 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-13 20:28:34,995 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:28:43,102 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 15 proven. 106 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2024-11-13 20:28:43,131 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2024-11-13 20:29:14,925 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 20:29:15,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:29:15,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 84 states and 188 transitions. [2024-11-13 20:29:15,787 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 188 transitions. [2024-11-13 20:29:15,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-13 20:29:15,788 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:29:15,789 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:29:15,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:29:15,791 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:29:15,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-11-13 20:29:17,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:29:17,682 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:29:18,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:29:18,682 INFO L255 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-13 20:29:18,684 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:29:23,381 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 17 proven. 135 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-11-13 20:29:23,404 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2024-11-13 20:29:41,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:29:41,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 87 states and 194 transitions. [2024-11-13 20:29:41,543 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 194 transitions. [2024-11-13 20:29:41,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-13 20:29:41,544 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:29:41,544 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:29:41,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:29:41,550 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:29:41,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-11-13 20:29:41,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:29:41,619 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:29:42,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:29:42,301 INFO L255 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 20:29:42,303 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:29:45,433 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 45 proven. 4 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2024-11-13 20:29:45,436 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2024-11-13 20:30:06,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:30:06,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 88 states and 197 transitions. [2024-11-13 20:30:06,929 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 197 transitions. [2024-11-13 20:30:06,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-13 20:30:06,930 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:30:06,930 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:30:06,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:30:06,932 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:30:06,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-11-13 20:30:09,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:30:09,378 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:30:10,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:30:10,565 INFO L255 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-13 20:30:10,567 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:30:30,886 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 17 proven. 133 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-13 20:30:30,918 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (27)] Forceful destruction successful, exit code 0 [2024-11-13 20:31:21,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:31:21,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 92 states and 208 transitions. [2024-11-13 20:31:21,257 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 208 transitions. [2024-11-13 20:31:21,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-13 20:31:21,258 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:31:21,258 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:31:21,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:31:21,260 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:31:21,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-11-13 20:31:23,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:31:23,556 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:31:24,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:31:24,590 INFO L255 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-13 20:31:24,592 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:31:29,866 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 36 proven. 162 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2024-11-13 20:31:29,889 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2024-11-13 20:31:49,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:31:49,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 95 states and 214 transitions. [2024-11-13 20:31:49,326 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 214 transitions. [2024-11-13 20:31:49,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-13 20:31:49,327 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:31:49,327 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:31:49,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:31:49,333 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:31:49,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-11-13 20:31:49,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:31:49,396 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:31:50,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:31:50,223 INFO L255 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 20:31:50,224 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:31:53,397 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 51 proven. 4 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2024-11-13 20:31:53,398 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (29)] Forceful destruction successful, exit code 0 [2024-11-13 20:32:17,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:32:17,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 96 states and 217 transitions. [2024-11-13 20:32:17,637 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 217 transitions. [2024-11-13 20:32:17,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-13 20:32:17,638 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:32:17,638 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:32:17,638 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:32:17,645 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:32:17,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-11-13 20:32:19,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:32:19,925 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:32:20,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:32:21,054 INFO L255 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-13 20:32:21,056 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:32:32,602 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 19 proven. 163 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2024-11-13 20:32:32,632 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2024-11-13 20:33:15,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:33:15,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 100 states and 228 transitions. [2024-11-13 20:33:15,522 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 228 transitions. [2024-11-13 20:33:15,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-13 20:33:15,523 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:33:15,523 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:33:15,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:33:15,526 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:33:15,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-11-13 20:33:17,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:33:17,965 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:33:18,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:33:19,138 INFO L255 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-13 20:33:19,140 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:33:25,755 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 21 proven. 202 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2024-11-13 20:33:25,779 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2024-11-13 20:33:49,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:33:49,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 103 states and 234 transitions. [2024-11-13 20:33:49,082 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 234 transitions. [2024-11-13 20:33:49,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-13 20:33:49,083 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:33:49,083 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:33:49,083 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:33:49,085 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:33:49,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-11-13 20:33:49,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:33:49,153 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:33:49,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:33:50,073 INFO L255 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 20:33:50,074 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:33:53,226 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 57 proven. 4 refuted. 0 times theorem prover too weak. 316 trivial. 0 not checked. [2024-11-13 20:33:53,227 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2024-11-13 20:34:18,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:34:18,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 104 states and 237 transitions. [2024-11-13 20:34:18,494 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 237 transitions. [2024-11-13 20:34:18,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-13 20:34:18,495 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:34:18,495 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:34:18,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:34:18,497 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:34:18,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe23e30-fa84-461f-ab1c-d0640722cb6c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2024-11-13 20:34:21,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:34:21,219 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:34:22,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:34:22,487 INFO L255 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-13 20:34:22,489 INFO L278 TraceCheckSpWp]: Computing forward predicates...