./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test5-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) 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_66933152-f6c2-48c0-8ed4-c169e9fdb7e1/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66933152-f6c2-48c0-8ed4-c169e9fdb7e1/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_66933152-f6c2-48c0-8ed4-c169e9fdb7e1/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66933152-f6c2-48c0-8ed4-c169e9fdb7e1/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test5-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66933152-f6c2-48c0-8ed4-c169e9fdb7e1/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66933152-f6c2-48c0-8ed4-c169e9fdb7e1/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c7b5cea41c34641368705a00e3051c009f6877551b3530b7d4fceaf386f5f58c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:08:03,861 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:08:04,006 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66933152-f6c2-48c0-8ed4-c169e9fdb7e1/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-19 04:08:04,011 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:08:04,012 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 04:08:04,065 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:08:04,067 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:08:04,069 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:08:04,070 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:08:04,076 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:08:04,078 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:08:04,078 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:08:04,079 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:08:04,085 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 04:08:04,085 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 04:08:04,086 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 04:08:04,086 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:08:04,087 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 04:08:04,088 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:08:04,088 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:08:04,089 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:08:04,089 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:08:04,090 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:08:04,091 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:08:04,092 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:08:04,093 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:08:04,093 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:08:04,094 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 04:08:04,094 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:08:04,095 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_66933152-f6c2-48c0-8ed4-c169e9fdb7e1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66933152-f6c2-48c0-8ed4-c169e9fdb7e1/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c7b5cea41c34641368705a00e3051c009f6877551b3530b7d4fceaf386f5f58c [2023-11-19 04:08:04,425 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:08:04,451 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:08:04,454 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:08:04,456 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:08:04,456 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:08:04,458 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66933152-f6c2-48c0-8ed4-c169e9fdb7e1/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test5-1.i [2023-11-19 04:08:07,856 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:08:08,377 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:08:08,378 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66933152-f6c2-48c0-8ed4-c169e9fdb7e1/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test5-1.i [2023-11-19 04:08:08,413 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66933152-f6c2-48c0-8ed4-c169e9fdb7e1/bin/ukojak-verify-G8NBE6pJGL/data/3c2a4dd16/96b86beefb8f44cf813f20ee353e0796/FLAG6c3c92d37 [2023-11-19 04:08:08,431 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66933152-f6c2-48c0-8ed4-c169e9fdb7e1/bin/ukojak-verify-G8NBE6pJGL/data/3c2a4dd16/96b86beefb8f44cf813f20ee353e0796 [2023-11-19 04:08:08,435 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:08:08,437 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:08:08,439 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:08:08,439 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:08:08,445 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:08:08,447 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:08:08" (1/1) ... [2023-11-19 04:08:08,448 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ef31391 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:08, skipping insertion in model container [2023-11-19 04:08:08,448 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:08:08" (1/1) ... [2023-11-19 04:08:08,551 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:08:09,270 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:08:09,297 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:08:09,498 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:08:09,578 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:08:09,588 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:08:09,589 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:09 WrapperNode [2023-11-19 04:08:09,589 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:08:09,590 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:08:09,590 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:08:09,590 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:08:09,613 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:09" (1/1) ... [2023-11-19 04:08:09,654 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:09" (1/1) ... [2023-11-19 04:08:09,769 INFO L138 Inliner]: procedures = 177, calls = 390, calls flagged for inlining = 16, calls inlined = 20, statements flattened = 1970 [2023-11-19 04:08:09,771 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:08:09,772 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:08:09,772 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:08:09,772 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:08:09,790 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:09" (1/1) ... [2023-11-19 04:08:09,790 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:09" (1/1) ... [2023-11-19 04:08:09,827 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:09" (1/1) ... [2023-11-19 04:08:09,828 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:09" (1/1) ... [2023-11-19 04:08:09,915 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:09" (1/1) ... [2023-11-19 04:08:09,943 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:09" (1/1) ... [2023-11-19 04:08:09,962 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:09" (1/1) ... [2023-11-19 04:08:09,978 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:09" (1/1) ... [2023-11-19 04:08:10,006 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:08:10,008 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:08:10,008 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:08:10,009 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:08:10,009 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:09" (1/1) ... [2023-11-19 04:08:10,015 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:08:10,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66933152-f6c2-48c0-8ed4-c169e9fdb7e1/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:08:10,045 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66933152-f6c2-48c0-8ed4-c169e9fdb7e1/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:08:10,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66933152-f6c2-48c0-8ed4-c169e9fdb7e1/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:08:10,091 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 04:08:10,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 04:08:10,091 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 04:08:10,091 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:08:10,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 04:08:10,092 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:08:10,092 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-19 04:08:10,092 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 04:08:10,093 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:08:10,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:08:10,093 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:08:10,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:08:10,349 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:08:10,351 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:08:13,476 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:08:15,986 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:08:15,986 INFO L302 CfgBuilder]: Removed 83 assume(true) statements. [2023-11-19 04:08:16,001 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:08:16 BoogieIcfgContainer [2023-11-19 04:08:16,001 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:08:16,002 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:08:16,002 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:08:16,015 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:08:16,015 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:08:16" (1/1) ... [2023-11-19 04:08:16,027 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:08:16,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:16,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1507 states to 1337 states and 1507 transitions. [2023-11-19 04:08:16,138 INFO L276 IsEmpty]: Start isEmpty. Operand 1337 states and 1507 transitions. [2023-11-19 04:08:16,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 04:08:16,140 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:16,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:16,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:16,410 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 04:08:16,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:16,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1506 states to 1336 states and 1506 transitions. [2023-11-19 04:08:16,459 INFO L276 IsEmpty]: Start isEmpty. Operand 1336 states and 1506 transitions. [2023-11-19 04:08:16,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 04:08:16,460 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:16,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:16,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:16,606 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 04:08:16,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:16,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1505 states to 1335 states and 1505 transitions. [2023-11-19 04:08:16,729 INFO L276 IsEmpty]: Start isEmpty. Operand 1335 states and 1505 transitions. [2023-11-19 04:08:16,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 04:08:16,729 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:16,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:16,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:16,817 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 04:08:16,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:16,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1507 states to 1336 states and 1507 transitions. [2023-11-19 04:08:16,883 INFO L276 IsEmpty]: Start isEmpty. Operand 1336 states and 1507 transitions. [2023-11-19 04:08:16,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 04:08:16,883 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:16,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:16,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:16,957 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 04:08:16,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:16,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1506 states to 1335 states and 1506 transitions. [2023-11-19 04:08:16,990 INFO L276 IsEmpty]: Start isEmpty. Operand 1335 states and 1506 transitions. [2023-11-19 04:08:16,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 04:08:16,990 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:16,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:17,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:17,150 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 04:08:17,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:17,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1505 states to 1334 states and 1505 transitions. [2023-11-19 04:08:17,184 INFO L276 IsEmpty]: Start isEmpty. Operand 1334 states and 1505 transitions. [2023-11-19 04:08:17,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 04:08:17,190 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:17,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:17,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:17,304 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:08:17,313 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:08:17,326 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 04:08:17,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:17,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1499 states to 1334 states and 1499 transitions. [2023-11-19 04:08:17,343 INFO L276 IsEmpty]: Start isEmpty. Operand 1334 states and 1499 transitions. [2023-11-19 04:08:17,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 04:08:17,344 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:17,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:17,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:17,461 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:08:17,469 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:08:17,476 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 04:08:17,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:17,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1497 states to 1334 states and 1497 transitions. [2023-11-19 04:08:17,497 INFO L276 IsEmpty]: Start isEmpty. Operand 1334 states and 1497 transitions. [2023-11-19 04:08:17,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 04:08:17,498 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:17,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:17,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:17,601 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 04:08:17,605 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:08:17,661 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2023-11-19 04:08:17,700 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 04:08:17,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:17,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1501 states to 1336 states and 1501 transitions. [2023-11-19 04:08:17,758 INFO L276 IsEmpty]: Start isEmpty. Operand 1336 states and 1501 transitions. [2023-11-19 04:08:17,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 04:08:17,759 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:17,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:17,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:17,868 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 04:08:17,872 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:08:17,895 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 8 treesize of output 1 [2023-11-19 04:08:17,963 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 04:08:18,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:18,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1505 states to 1338 states and 1505 transitions. [2023-11-19 04:08:18,209 INFO L276 IsEmpty]: Start isEmpty. Operand 1338 states and 1505 transitions. [2023-11-19 04:08:18,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 04:08:18,210 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:18,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:18,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:18,313 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 04:08:18,317 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:08:18,371 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 04:08:18,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:18,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1511 states to 1340 states and 1511 transitions. [2023-11-19 04:08:18,614 INFO L276 IsEmpty]: Start isEmpty. Operand 1340 states and 1511 transitions. [2023-11-19 04:08:18,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 04:08:18,615 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:18,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:18,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:18,720 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 04:08:18,724 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:08:18,737 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 8 treesize of output 1 [2023-11-19 04:08:18,861 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 04:08:18,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:18,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1513 states to 1341 states and 1513 transitions. [2023-11-19 04:08:18,979 INFO L276 IsEmpty]: Start isEmpty. Operand 1341 states and 1513 transitions. [2023-11-19 04:08:18,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 04:08:18,980 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:18,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:19,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:19,089 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 04:08:19,093 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:08:19,099 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 04:08:19,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:19,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1512 states to 1341 states and 1512 transitions. [2023-11-19 04:08:19,186 INFO L276 IsEmpty]: Start isEmpty. Operand 1341 states and 1512 transitions. [2023-11-19 04:08:19,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 04:08:19,187 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:19,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:19,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:19,289 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 04:08:19,293 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:08:19,301 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 04:08:19,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:19,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1511 states to 1340 states and 1511 transitions. [2023-11-19 04:08:19,330 INFO L276 IsEmpty]: Start isEmpty. Operand 1340 states and 1511 transitions. [2023-11-19 04:08:19,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 04:08:19,331 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:19,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:19,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:19,438 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 04:08:19,443 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:08:19,458 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 8 treesize of output 1 [2023-11-19 04:08:19,558 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 04:08:19,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:19,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1513 states to 1341 states and 1513 transitions. [2023-11-19 04:08:19,818 INFO L276 IsEmpty]: Start isEmpty. Operand 1341 states and 1513 transitions. [2023-11-19 04:08:19,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 04:08:19,819 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:19,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:19,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:19,920 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 04:08:19,924 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:08:19,981 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 04:08:20,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:20,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1519 states to 1344 states and 1519 transitions. [2023-11-19 04:08:20,148 INFO L276 IsEmpty]: Start isEmpty. Operand 1344 states and 1519 transitions. [2023-11-19 04:08:20,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 04:08:20,149 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:20,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:20,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:20,245 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 04:08:20,249 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:08:20,257 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 04:08:20,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:20,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1518 states to 1343 states and 1518 transitions. [2023-11-19 04:08:20,284 INFO L276 IsEmpty]: Start isEmpty. Operand 1343 states and 1518 transitions. [2023-11-19 04:08:20,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 04:08:20,285 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:20,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:20,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:20,389 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 04:08:20,398 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:08:20,417 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 8 treesize of output 1 [2023-11-19 04:08:20,534 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 04:08:20,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:20,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1520 states to 1344 states and 1520 transitions. [2023-11-19 04:08:20,810 INFO L276 IsEmpty]: Start isEmpty. Operand 1344 states and 1520 transitions. [2023-11-19 04:08:20,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 04:08:20,811 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:20,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:20,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:20,905 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 04:08:20,908 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:08:20,918 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 04:08:20,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:20,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1519 states to 1343 states and 1519 transitions. [2023-11-19 04:08:20,945 INFO L276 IsEmpty]: Start isEmpty. Operand 1343 states and 1519 transitions. [2023-11-19 04:08:20,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 04:08:20,946 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:20,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:21,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:21,042 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 04:08:21,045 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:08:21,054 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 8 treesize of output 1 [2023-11-19 04:08:21,158 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 04:08:21,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:21,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1521 states to 1344 states and 1521 transitions. [2023-11-19 04:08:21,455 INFO L276 IsEmpty]: Start isEmpty. Operand 1344 states and 1521 transitions. [2023-11-19 04:08:21,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 04:08:21,464 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:21,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:21,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:21,642 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 04:08:21,644 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:08:21,662 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 04:08:21,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:21,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1525 states to 1347 states and 1525 transitions. [2023-11-19 04:08:21,715 INFO L276 IsEmpty]: Start isEmpty. Operand 1347 states and 1525 transitions. [2023-11-19 04:08:21,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 04:08:21,716 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:21,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:21,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:21,812 INFO L262 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 04:08:21,815 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:08:21,826 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 04:08:21,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:21,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1524 states to 1346 states and 1524 transitions. [2023-11-19 04:08:21,864 INFO L276 IsEmpty]: Start isEmpty. Operand 1346 states and 1524 transitions. [2023-11-19 04:08:21,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 04:08:21,867 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:21,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:21,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:21,965 INFO L262 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 04:08:21,968 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:08:21,983 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 8 treesize of output 1 [2023-11-19 04:08:22,096 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 04:08:22,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:22,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1526 states to 1347 states and 1526 transitions. [2023-11-19 04:08:22,388 INFO L276 IsEmpty]: Start isEmpty. Operand 1347 states and 1526 transitions. [2023-11-19 04:08:22,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 04:08:22,388 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:22,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:22,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:22,486 INFO L262 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 04:08:22,489 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:08:22,499 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 8 treesize of output 1 [2023-11-19 04:08:22,636 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 04:08:22,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:22,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1529 states to 1348 states and 1529 transitions. [2023-11-19 04:08:22,769 INFO L276 IsEmpty]: Start isEmpty. Operand 1348 states and 1529 transitions. [2023-11-19 04:08:22,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 04:08:22,769 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:22,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:22,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:22,867 INFO L262 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 04:08:22,870 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:08:22,884 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 04:08:23,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:23,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1528 states to 1348 states and 1528 transitions. [2023-11-19 04:08:23,097 INFO L276 IsEmpty]: Start isEmpty. Operand 1348 states and 1528 transitions. [2023-11-19 04:08:23,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 04:08:23,097 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:23,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:23,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:23,206 INFO L262 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 04:08:23,209 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:08:23,230 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 04:08:23,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:23,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1532 states to 1351 states and 1532 transitions. [2023-11-19 04:08:23,273 INFO L276 IsEmpty]: Start isEmpty. Operand 1351 states and 1532 transitions. [2023-11-19 04:08:23,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 04:08:23,274 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:23,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:23,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:23,375 INFO L262 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 04:08:23,378 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:08:23,392 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 04:08:23,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:23,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1531 states to 1350 states and 1531 transitions. [2023-11-19 04:08:23,428 INFO L276 IsEmpty]: Start isEmpty. Operand 1350 states and 1531 transitions. [2023-11-19 04:08:23,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 04:08:23,429 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:23,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:23,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:23,533 INFO L262 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 04:08:23,546 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:08:23,559 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 8 treesize of output 1 [2023-11-19 04:08:23,694 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 04:08:23,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:23,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1533 states to 1351 states and 1533 transitions. [2023-11-19 04:08:24,000 INFO L276 IsEmpty]: Start isEmpty. Operand 1351 states and 1533 transitions. [2023-11-19 04:08:24,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 04:08:24,000 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:24,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:24,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:24,098 INFO L262 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 04:08:24,101 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:08:24,118 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 04:08:24,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:24,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1532 states to 1350 states and 1532 transitions. [2023-11-19 04:08:24,148 INFO L276 IsEmpty]: Start isEmpty. Operand 1350 states and 1532 transitions. [2023-11-19 04:08:24,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 04:08:24,149 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:24,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:24,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:24,254 INFO L262 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 04:08:24,257 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:08:24,265 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 8 treesize of output 1 [2023-11-19 04:08:24,408 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 04:08:24,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:24,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1534 states to 1351 states and 1534 transitions. [2023-11-19 04:08:24,802 INFO L276 IsEmpty]: Start isEmpty. Operand 1351 states and 1534 transitions. [2023-11-19 04:08:24,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 04:08:24,804 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:24,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:24,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:24,900 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 04:08:24,902 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:08:24,926 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 04:08:24,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:24,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1538 states to 1354 states and 1538 transitions. [2023-11-19 04:08:24,974 INFO L276 IsEmpty]: Start isEmpty. Operand 1354 states and 1538 transitions. [2023-11-19 04:08:24,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 04:08:24,975 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:24,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:25,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:25,075 INFO L262 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 04:08:25,078 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:08:25,094 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 04:08:25,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:25,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1537 states to 1353 states and 1537 transitions. [2023-11-19 04:08:25,117 INFO L276 IsEmpty]: Start isEmpty. Operand 1353 states and 1537 transitions. [2023-11-19 04:08:25,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 04:08:25,117 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:25,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:25,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:25,210 INFO L262 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 04:08:25,212 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:08:25,219 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 8 treesize of output 1 [2023-11-19 04:08:25,359 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 04:08:25,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:25,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1539 states to 1354 states and 1539 transitions. [2023-11-19 04:08:25,696 INFO L276 IsEmpty]: Start isEmpty. Operand 1354 states and 1539 transitions. [2023-11-19 04:08:25,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 04:08:25,696 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:25,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:25,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:25,798 INFO L262 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 04:08:25,801 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:08:25,822 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 04:08:25,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:25,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1538 states to 1353 states and 1538 transitions. [2023-11-19 04:08:25,849 INFO L276 IsEmpty]: Start isEmpty. Operand 1353 states and 1538 transitions. [2023-11-19 04:08:25,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 04:08:25,850 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:25,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:25,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:25,954 INFO L262 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 04:08:25,957 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:08:25,965 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 8 treesize of output 1 [2023-11-19 04:08:26,121 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 04:08:26,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:26,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1540 states to 1354 states and 1540 transitions. [2023-11-19 04:08:26,510 INFO L276 IsEmpty]: Start isEmpty. Operand 1354 states and 1540 transitions. [2023-11-19 04:08:26,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 04:08:26,511 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:26,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:26,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:26,614 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 04:08:26,617 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:08:26,643 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 04:08:26,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:26,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1544 states to 1357 states and 1544 transitions. [2023-11-19 04:08:26,687 INFO L276 IsEmpty]: Start isEmpty. Operand 1357 states and 1544 transitions. [2023-11-19 04:08:26,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 04:08:26,688 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:26,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:26,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:26,798 INFO L262 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 04:08:26,801 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:08:26,809 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 8 treesize of output 1 [2023-11-19 04:08:26,986 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 04:08:27,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:27,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1547 states to 1358 states and 1547 transitions. [2023-11-19 04:08:27,133 INFO L276 IsEmpty]: Start isEmpty. Operand 1358 states and 1547 transitions. [2023-11-19 04:08:27,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 04:08:27,134 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:27,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:27,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:27,235 INFO L262 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 04:08:27,237 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:08:27,260 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 04:08:27,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:27,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1546 states to 1358 states and 1546 transitions. [2023-11-19 04:08:27,570 INFO L276 IsEmpty]: Start isEmpty. Operand 1358 states and 1546 transitions. [2023-11-19 04:08:27,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 04:08:27,571 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:27,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:27,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:27,660 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 04:08:27,663 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:08:27,691 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 04:08:27,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:27,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1550 states to 1361 states and 1550 transitions. [2023-11-19 04:08:27,744 INFO L276 IsEmpty]: Start isEmpty. Operand 1361 states and 1550 transitions. [2023-11-19 04:08:27,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 04:08:27,745 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:27,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:27,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:27,832 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 04:08:27,835 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:08:27,840 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2023-11-19 04:08:27,881 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 04:08:28,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:28,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1568 states to 1377 states and 1568 transitions. [2023-11-19 04:08:28,351 INFO L276 IsEmpty]: Start isEmpty. Operand 1377 states and 1568 transitions. [2023-11-19 04:08:28,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 04:08:28,351 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:28,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:28,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:28,446 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 04:08:28,450 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:08:28,463 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 8 treesize of output 1 [2023-11-19 04:08:28,564 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 04:08:29,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:29,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1593 states to 1393 states and 1593 transitions. [2023-11-19 04:08:29,135 INFO L276 IsEmpty]: Start isEmpty. Operand 1393 states and 1593 transitions. [2023-11-19 04:08:29,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 04:08:29,137 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:29,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:29,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:29,248 INFO L262 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:08:29,251 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:08:29,253 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 04:08:32,083 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.82s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:08:32,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:32,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1591 states to 1393 states and 1591 transitions. [2023-11-19 04:08:32,102 INFO L276 IsEmpty]: Start isEmpty. Operand 1393 states and 1591 transitions. [2023-11-19 04:08:32,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 04:08:32,103 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:32,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:32,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:32,269 INFO L262 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 04:08:32,271 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:08:32,307 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:08:42,341 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 04:08:52,349 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 04:09:02,360 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []