./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_nondet_test4-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e02f23-62ba-4428-bd06-38098aa7882b/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e02f23-62ba-4428-bd06-38098aa7882b/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_e5e02f23-62ba-4428-bd06-38098aa7882b/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e02f23-62ba-4428-bd06-38098aa7882b/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_nondet_test4-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e02f23-62ba-4428-bd06-38098aa7882b/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_e5e02f23-62ba-4428-bd06-38098aa7882b/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 ad1cff32d745d4f106cd2272d34984c4724156cea3537acaf98384a0b708b01e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:16:55,651 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:16:55,723 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e02f23-62ba-4428-bd06-38098aa7882b/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:16:55,728 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:16:55,729 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:16:55,754 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:16:55,755 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:16:55,756 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:16:55,757 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:16:55,758 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:16:55,758 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:16:55,759 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:16:55,760 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:16:55,760 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:16:55,761 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:16:55,762 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:16:55,762 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:16:55,763 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:16:55,764 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:16:55,764 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:16:55,765 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:16:55,766 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:16:55,767 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:16:55,767 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:16:55,768 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:16:55,769 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:16:55,769 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:16:55,770 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:16:55,770 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:16:55,795 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:16:55,795 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:16:55,796 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:16:55,796 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:16:55,797 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_e5e02f23-62ba-4428-bd06-38098aa7882b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e02f23-62ba-4428-bd06-38098aa7882b/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ad1cff32d745d4f106cd2272d34984c4724156cea3537acaf98384a0b708b01e [2023-11-19 03:16:56,140 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:16:56,176 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:16:56,180 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:16:56,181 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:16:56,182 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:16:56,184 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e02f23-62ba-4428-bd06-38098aa7882b/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_nondet_test4-2.i [2023-11-19 03:16:59,471 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:16:59,847 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:16:59,848 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e02f23-62ba-4428-bd06-38098aa7882b/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_nondet_test4-2.i [2023-11-19 03:16:59,872 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e02f23-62ba-4428-bd06-38098aa7882b/bin/ukojak-verify-G8NBE6pJGL/data/278369883/f221761d7c87451a9b52a79951fa600e/FLAGe3a0a5caa [2023-11-19 03:16:59,890 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e02f23-62ba-4428-bd06-38098aa7882b/bin/ukojak-verify-G8NBE6pJGL/data/278369883/f221761d7c87451a9b52a79951fa600e [2023-11-19 03:16:59,893 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:16:59,895 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:16:59,897 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:16:59,897 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:16:59,908 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:16:59,909 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:16:59" (1/1) ... [2023-11-19 03:16:59,910 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73d31432 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:59, skipping insertion in model container [2023-11-19 03:16:59,910 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:16:59" (1/1) ... [2023-11-19 03:17:00,001 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:17:00,376 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:17:00,557 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_e5e02f23-62ba-4428-bd06-38098aa7882b/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_nondet_test4-2.i[33510,33523] [2023-11-19 03:17:00,776 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:17:00,797 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:17:00,832 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:17:00,858 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_e5e02f23-62ba-4428-bd06-38098aa7882b/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_nondet_test4-2.i[33510,33523] [2023-11-19 03:17:01,006 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:17:01,062 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:17:01,071 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:17:01,072 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:17:01 WrapperNode [2023-11-19 03:17:01,072 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:17:01,074 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:17:01,074 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:17:01,075 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:17:01,082 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:17:01" (1/1) ... [2023-11-19 03:17:01,165 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:17:01" (1/1) ... [2023-11-19 03:17:01,295 INFO L138 Inliner]: procedures = 178, calls = 391, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1622 [2023-11-19 03:17:01,296 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:17:01,297 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:17:01,297 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:17:01,297 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:17:01,308 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:17:01" (1/1) ... [2023-11-19 03:17:01,308 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:17:01" (1/1) ... [2023-11-19 03:17:01,319 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:17:01" (1/1) ... [2023-11-19 03:17:01,320 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:17:01" (1/1) ... [2023-11-19 03:17:01,467 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:17:01" (1/1) ... [2023-11-19 03:17:01,497 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:17:01" (1/1) ... [2023-11-19 03:17:01,527 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:17:01" (1/1) ... [2023-11-19 03:17:01,534 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:17:01" (1/1) ... [2023-11-19 03:17:01,554 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:17:01,555 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:17:01,556 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:17:01,556 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:17:01,568 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:17:01" (1/1) ... [2023-11-19 03:17:01,574 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:17:01,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e02f23-62ba-4428-bd06-38098aa7882b/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:17:01,614 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e02f23-62ba-4428-bd06-38098aa7882b/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:17:01,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e02f23-62ba-4428-bd06-38098aa7882b/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:17:01,668 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:17:01,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:17:01,669 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 03:17:01,669 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 03:17:01,670 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:17:01,670 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:17:01,671 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:17:01,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 03:17:01,672 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 03:17:01,672 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:17:01,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:17:01,673 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:17:01,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:17:01,956 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:17:01,958 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:17:04,181 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:17:06,462 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:17:06,462 INFO L302 CfgBuilder]: Removed 69 assume(true) statements. [2023-11-19 03:17:06,473 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:17:06 BoogieIcfgContainer [2023-11-19 03:17:06,473 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:17:06,474 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:17:06,474 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:17:06,486 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:17:06,486 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:17:06" (1/1) ... [2023-11-19 03:17:06,498 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:17:06,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:06,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 129 states and 219 transitions. [2023-11-19 03:17:06,590 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 219 transitions. [2023-11-19 03:17:06,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:17:06,593 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:06,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:06,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:07,055 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 03:17:07,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:07,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 131 states and 222 transitions. [2023-11-19 03:17:07,133 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 222 transitions. [2023-11-19 03:17:07,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:17:07,135 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:07,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:07,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:07,257 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:17:07,265 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:17:07,274 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:17:07,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:07,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 131 states and 218 transitions. [2023-11-19 03:17:07,285 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 218 transitions. [2023-11-19 03:17:07,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:17:07,291 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:07,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:07,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:07,386 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:17:07,389 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:17:07,394 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:17:07,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:07,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 131 states and 210 transitions. [2023-11-19 03:17:07,407 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 210 transitions. [2023-11-19 03:17:07,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 03:17:07,410 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:07,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:07,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:07,559 INFO L262 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:17:07,563 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:17:07,569 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:17:07,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:07,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 131 states and 198 transitions. [2023-11-19 03:17:07,582 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 198 transitions. [2023-11-19 03:17:07,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 03:17:07,586 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:07,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:07,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:07,872 INFO L262 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:17:07,877 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:17:07,884 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:17:17,909 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:17:18,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:18,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 131 states and 184 transitions. [2023-11-19 03:17:18,481 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 184 transitions. [2023-11-19 03:17:18,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-19 03:17:18,485 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:18,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:18,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:18,988 INFO L262 TraceCheckSpWp]: Trace formula consists of 521 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:17:18,995 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:17:19,269 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:17:29,306 WARN L539 Checker$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 03:17:39,315 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:17:49,332 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 03:17:53,440 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.11s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []