./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test3-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56054f8b-608e-4a08-9e56-f9eb511f5eca/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56054f8b-608e-4a08-9e56-f9eb511f5eca/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56054f8b-608e-4a08-9e56-f9eb511f5eca/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56054f8b-608e-4a08-9e56-f9eb511f5eca/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test3-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56054f8b-608e-4a08-9e56-f9eb511f5eca/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56054f8b-608e-4a08-9e56-f9eb511f5eca/bin/ukojak-verify-G8NBE6pJGL --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 f6bf6d70eb07e52125f91259e05d2dabd63dc1b16a64b1f25a229511f6ff83f8 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:10:58,374 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:10:58,455 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56054f8b-608e-4a08-9e56-f9eb511f5eca/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:10:58,461 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:10:58,461 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:10:58,488 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:10:58,489 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:10:58,489 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:10:58,490 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:10:58,491 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:10:58,491 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:10:58,492 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:10:58,492 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:10:58,493 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:10:58,494 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:10:58,494 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:10:58,495 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:10:58,495 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:10:58,495 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:10:58,496 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:10:58,496 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:10:58,497 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:10:58,498 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:10:58,498 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:10:58,499 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:10:58,499 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:10:58,499 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:10:58,500 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:10:58,500 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:10:58,501 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:10:58,501 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:10:58,502 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:10:58,502 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:10:58,502 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56054f8b-608e-4a08-9e56-f9eb511f5eca/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56054f8b-608e-4a08-9e56-f9eb511f5eca/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f6bf6d70eb07e52125f91259e05d2dabd63dc1b16a64b1f25a229511f6ff83f8 [2023-11-19 03:10:58,801 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:10:58,838 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:10:58,841 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:10:58,843 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:10:58,843 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:10:58,845 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56054f8b-608e-4a08-9e56-f9eb511f5eca/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test3-1.i [2023-11-19 03:11:01,924 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:11:02,274 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:11:02,275 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56054f8b-608e-4a08-9e56-f9eb511f5eca/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test3-1.i [2023-11-19 03:11:02,315 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56054f8b-608e-4a08-9e56-f9eb511f5eca/bin/ukojak-verify-G8NBE6pJGL/data/fe1b013ed/3afc713ba11245e18b91cef43ab43b09/FLAG6fd258f24 [2023-11-19 03:11:02,335 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56054f8b-608e-4a08-9e56-f9eb511f5eca/bin/ukojak-verify-G8NBE6pJGL/data/fe1b013ed/3afc713ba11245e18b91cef43ab43b09 [2023-11-19 03:11:02,340 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:11:02,342 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:11:02,344 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:11:02,344 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:11:02,349 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:11:02,350 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:11:02" (1/1) ... [2023-11-19 03:11:02,351 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29972b98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:11:02, skipping insertion in model container [2023-11-19 03:11:02,351 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:11:02" (1/1) ... [2023-11-19 03:11:02,435 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:11:02,890 WARN L240 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_56054f8b-608e-4a08-9e56-f9eb511f5eca/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test3-1.i[33021,33034] [2023-11-19 03:11:03,064 WARN L240 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_56054f8b-608e-4a08-9e56-f9eb511f5eca/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test3-1.i[44590,44603] [2023-11-19 03:11:03,075 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:11:03,085 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:11:03,121 WARN L240 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_56054f8b-608e-4a08-9e56-f9eb511f5eca/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test3-1.i[33021,33034] [2023-11-19 03:11:03,208 WARN L240 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_56054f8b-608e-4a08-9e56-f9eb511f5eca/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test3-1.i[44590,44603] [2023-11-19 03:11:03,214 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:11:03,257 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:11:03,265 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:11:03,266 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:11:03 WrapperNode [2023-11-19 03:11:03,266 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:11:03,267 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:11:03,268 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:11:03,268 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:11:03,276 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:11:03" (1/1) ... [2023-11-19 03:11:03,314 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:11:03" (1/1) ... [2023-11-19 03:11:03,399 INFO L138 Inliner]: procedures = 177, calls = 285, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1359 [2023-11-19 03:11:03,400 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:11:03,401 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:11:03,401 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:11:03,401 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:11:03,411 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:11:03" (1/1) ... [2023-11-19 03:11:03,411 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:11:03" (1/1) ... [2023-11-19 03:11:03,425 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:11:03" (1/1) ... [2023-11-19 03:11:03,425 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:11:03" (1/1) ... [2023-11-19 03:11:03,492 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:11:03" (1/1) ... [2023-11-19 03:11:03,512 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:11:03" (1/1) ... [2023-11-19 03:11:03,520 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:11:03" (1/1) ... [2023-11-19 03:11:03,528 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:11:03" (1/1) ... [2023-11-19 03:11:03,541 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:11:03,542 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:11:03,542 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:11:03,542 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:11:03,543 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:11:03" (1/1) ... [2023-11-19 03:11:03,549 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:11:03,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56054f8b-608e-4a08-9e56-f9eb511f5eca/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:11:03,573 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56054f8b-608e-4a08-9e56-f9eb511f5eca/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:11:03,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56054f8b-608e-4a08-9e56-f9eb511f5eca/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:11:03,625 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:11:03,625 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:11:03,626 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:11:03,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:11:03,626 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 03:11:03,627 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 03:11:03,627 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:11:03,628 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:11:03,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 03:11:03,628 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:11:03,628 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-19 03:11:03,629 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 03:11:03,629 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:11:03,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:11:03,629 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:11:03,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:11:03,873 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:11:03,875 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:11:05,625 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:11:07,527 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:11:07,528 INFO L302 CfgBuilder]: Removed 63 assume(true) statements. [2023-11-19 03:11:07,540 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:11:07 BoogieIcfgContainer [2023-11-19 03:11:07,541 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:11:07,543 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:11:07,543 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:11:07,555 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:11:07,557 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:11:07" (1/1) ... [2023-11-19 03:11:07,569 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:11:07,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:07,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 131 states and 222 transitions. [2023-11-19 03:11:07,666 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 222 transitions. [2023-11-19 03:11:07,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:11:07,669 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:07,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:07,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:07,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:11:07,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:07,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 131 states and 217 transitions. [2023-11-19 03:11:07,945 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 217 transitions. [2023-11-19 03:11:07,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:11:07,950 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:07,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:07,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:08,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:11:08,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:08,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 133 states and 219 transitions. [2023-11-19 03:11:08,228 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 219 transitions. [2023-11-19 03:11:08,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:11:08,231 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:08,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:08,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:08,351 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:11:08,358 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:11:08,371 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:11:08,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:08,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 133 states and 217 transitions. [2023-11-19 03:11:08,383 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 217 transitions. [2023-11-19 03:11:08,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:11:08,386 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:08,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:08,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:08,490 INFO L262 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:11:08,494 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:11:08,498 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:11:08,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:08,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 133 states and 213 transitions. [2023-11-19 03:11:08,509 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 213 transitions. [2023-11-19 03:11:08,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 03:11:08,511 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:08,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:08,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:08,646 INFO L262 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:11:08,649 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:11:08,654 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:11:08,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:08,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 133 states and 207 transitions. [2023-11-19 03:11:08,665 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 207 transitions. [2023-11-19 03:11:08,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 03:11:08,668 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:08,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:08,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:08,829 INFO L262 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:11:08,832 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:11:08,838 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:11:10,902 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:11:10,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:10,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 133 states and 199 transitions. [2023-11-19 03:11:10,975 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 199 transitions. [2023-11-19 03:11:10,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-19 03:11:10,977 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:10,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:11,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:11,296 INFO L262 TraceCheckSpWp]: Trace formula consists of 367 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:11:11,309 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:11:11,443 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:11:21,683 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:11:31,692 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:11:40,385 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.69s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:11:40,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:40,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 146 states and 214 transitions. [2023-11-19 03:11:40,428 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 214 transitions. [2023-11-19 03:11:40,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 03:11:40,431 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:40,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:40,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:40,695 INFO L262 TraceCheckSpWp]: Trace formula consists of 367 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:11:40,698 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:11:40,703 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:11:40,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:40,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 146 states and 212 transitions. [2023-11-19 03:11:40,716 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 212 transitions. [2023-11-19 03:11:40,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-19 03:11:40,718 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:40,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:41,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:41,126 INFO L262 TraceCheckSpWp]: Trace formula consists of 381 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:11:41,130 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:11:41,137 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:11:51,160 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:11:51,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:51,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 144 states and 206 transitions. [2023-11-19 03:11:51,171 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 206 transitions. [2023-11-19 03:11:51,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-19 03:11:51,173 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:51,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:51,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:51,492 INFO L262 TraceCheckSpWp]: Trace formula consists of 514 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:11:51,497 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:11:51,567 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-19 03:11:51,594 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-11-19 03:11:51,621 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-19 03:11:51,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:51,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 146 states and 209 transitions. [2023-11-19 03:11:51,722 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 209 transitions. [2023-11-19 03:11:51,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-19 03:11:51,723 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:51,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:52,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:52,121 INFO L262 TraceCheckSpWp]: Trace formula consists of 492 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:11:52,124 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:11:52,129 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-19 03:11:52,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:52,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 146 states and 205 transitions. [2023-11-19 03:11:52,144 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 205 transitions. [2023-11-19 03:11:52,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-19 03:11:52,145 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:52,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:52,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:52,480 INFO L262 TraceCheckSpWp]: Trace formula consists of 502 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:11:52,483 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:11:52,491 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-19 03:11:52,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:52,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 146 states and 203 transitions. [2023-11-19 03:11:52,505 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 203 transitions. [2023-11-19 03:11:52,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-19 03:11:52,507 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:52,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:52,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:52,868 INFO L262 TraceCheckSpWp]: Trace formula consists of 539 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:11:52,871 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:11:52,879 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-19 03:11:54,875 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.98s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:11:54,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:11:54,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 146 states and 201 transitions. [2023-11-19 03:11:54,882 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 201 transitions. [2023-11-19 03:11:54,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-19 03:11:54,883 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:11:54,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:11:55,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:11:55,272 INFO L262 TraceCheckSpWp]: Trace formula consists of 548 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:11:55,275 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:11:55,439 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 03:12:05,609 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []