./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/tee-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cee6df3-3794-4467-9504-17736d1e3f80/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cee6df3-3794-4467-9504-17736d1e3f80/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_8cee6df3-3794-4467-9504-17736d1e3f80/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cee6df3-3794-4467-9504-17736d1e3f80/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/tee-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cee6df3-3794-4467-9504-17736d1e3f80/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cee6df3-3794-4467-9504-17736d1e3f80/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 64bit --witnessprinter.graph.data.programhash bab52eb5923c15e4bc9c70f58b3e07f531d9c2f4fa12be32117f6f5f5ee2181e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:02:04,218 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:02:04,324 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cee6df3-3794-4467-9504-17736d1e3f80/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf [2023-11-19 03:02:04,328 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:02:04,329 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:02:04,357 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:02:04,359 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:02:04,359 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:02:04,360 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:02:04,360 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:02:04,361 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:02:04,362 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 03:02:04,362 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 03:02:04,363 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 03:02:04,363 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:02:04,364 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:02:04,364 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:02:04,365 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:02:04,366 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:02:04,366 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:02:04,367 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:02:04,368 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:02:04,368 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:02:04,369 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:02:04,369 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:02:04,370 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:02:04,371 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_8cee6df3-3794-4467-9504-17736d1e3f80/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cee6df3-3794-4467-9504-17736d1e3f80/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bab52eb5923c15e4bc9c70f58b3e07f531d9c2f4fa12be32117f6f5f5ee2181e [2023-11-19 03:02:04,612 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:02:04,646 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:02:04,648 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:02:04,650 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:02:04,650 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:02:04,652 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cee6df3-3794-4467-9504-17736d1e3f80/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/busybox-1.22.0/tee-2.i [2023-11-19 03:02:07,677 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:02:08,195 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:02:08,197 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cee6df3-3794-4467-9504-17736d1e3f80/sv-benchmarks/c/busybox-1.22.0/tee-2.i [2023-11-19 03:02:08,243 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cee6df3-3794-4467-9504-17736d1e3f80/bin/ukojak-verify-G8NBE6pJGL/data/b75f16c79/66ebd0372b294422bf126409daa8c7ce/FLAG47cd24bfa [2023-11-19 03:02:08,264 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cee6df3-3794-4467-9504-17736d1e3f80/bin/ukojak-verify-G8NBE6pJGL/data/b75f16c79/66ebd0372b294422bf126409daa8c7ce [2023-11-19 03:02:08,271 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:02:08,274 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:02:08,279 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:02:08,280 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:02:08,288 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:02:08,289 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:02:08" (1/1) ... [2023-11-19 03:02:08,290 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43844b23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:08, skipping insertion in model container [2023-11-19 03:02:08,291 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:02:08" (1/1) ... [2023-11-19 03:02:08,394 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:02:10,051 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:02:10,078 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:02:10,219 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:02:10,499 WARN L675 CHandler]: The function fflush is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:02:10,501 WARN L675 CHandler]: The function strerror is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:02:10,501 WARN L675 CHandler]: The function fopen is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:02:10,501 WARN L675 CHandler]: The function ferror is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:02:10,501 WARN L675 CHandler]: The function setbuf is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:02:10,501 WARN L675 CHandler]: The function strtoul is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:02:10,502 WARN L675 CHandler]: The function fwrite is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:02:10,510 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:02:10,510 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:10 WrapperNode [2023-11-19 03:02:10,511 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:02:10,512 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:02:10,512 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:02:10,512 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:02:10,520 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:10" (1/1) ... [2023-11-19 03:02:10,602 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:10" (1/1) ... [2023-11-19 03:02:10,745 INFO L138 Inliner]: procedures = 575, calls = 420, calls flagged for inlining = 55, calls inlined = 159, statements flattened = 4507 [2023-11-19 03:02:10,745 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:02:10,746 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:02:10,746 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:02:10,747 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:02:10,757 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:10" (1/1) ... [2023-11-19 03:02:10,757 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:10" (1/1) ... [2023-11-19 03:02:10,780 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:10" (1/1) ... [2023-11-19 03:02:10,781 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:10" (1/1) ... [2023-11-19 03:02:10,881 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:10" (1/1) ... [2023-11-19 03:02:10,976 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:10" (1/1) ... [2023-11-19 03:02:10,999 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:10" (1/1) ... [2023-11-19 03:02:11,031 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:10" (1/1) ... [2023-11-19 03:02:11,076 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:02:11,077 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:02:11,078 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:02:11,078 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:02:11,078 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:10" (1/1) ... [2023-11-19 03:02:11,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:02:11,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cee6df3-3794-4467-9504-17736d1e3f80/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:02:11,109 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cee6df3-3794-4467-9504-17736d1e3f80/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:02:11,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8cee6df3-3794-4467-9504-17736d1e3f80/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:02:11,196 INFO L130 BoogieDeclarations]: Found specification of procedure strerror [2023-11-19 03:02:11,196 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:02:11,196 INFO L130 BoogieDeclarations]: Found specification of procedure setbuf [2023-11-19 03:02:11,196 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 03:02:11,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 03:02:11,197 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:02:11,197 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:02:11,198 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2023-11-19 03:02:11,198 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:02:11,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 03:02:11,199 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:02:11,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:02:11,199 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 03:02:11,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 03:02:11,200 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2023-11-19 03:02:11,200 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:02:11,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 03:02:11,200 INFO L130 BoogieDeclarations]: Found specification of procedure ferror [2023-11-19 03:02:11,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 03:02:11,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:02:11,201 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2023-11-19 03:02:11,201 INFO L130 BoogieDeclarations]: Found specification of procedure fwrite [2023-11-19 03:02:11,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:02:11,705 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:02:11,707 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:02:17,737 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:02:19,326 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:02:19,326 INFO L302 CfgBuilder]: Removed 90 assume(true) statements. [2023-11-19 03:02:19,343 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:02:19 BoogieIcfgContainer [2023-11-19 03:02:19,343 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:02:19,344 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:02:19,344 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:02:19,355 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:02:19,356 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:02:19" (1/1) ... [2023-11-19 03:02:19,366 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:02:19,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:19,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2896 states to 2516 states and 2896 transitions. [2023-11-19 03:02:19,482 INFO L276 IsEmpty]: Start isEmpty. Operand 2516 states and 2896 transitions. [2023-11-19 03:02:19,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-19 03:02:19,485 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:19,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:19,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:20,044 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 03:02:20,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:20,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2895 states to 2515 states and 2895 transitions. [2023-11-19 03:02:20,136 INFO L276 IsEmpty]: Start isEmpty. Operand 2515 states and 2895 transitions. [2023-11-19 03:02:20,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-19 03:02:20,137 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:20,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:20,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:20,334 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 03:02:20,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:20,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2894 states to 2514 states and 2894 transitions. [2023-11-19 03:02:20,462 INFO L276 IsEmpty]: Start isEmpty. Operand 2514 states and 2894 transitions. [2023-11-19 03:02:20,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:02:20,463 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:20,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:20,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:20,580 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 03:02:20,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:20,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2896 states to 2515 states and 2896 transitions. [2023-11-19 03:02:20,631 INFO L276 IsEmpty]: Start isEmpty. Operand 2515 states and 2896 transitions. [2023-11-19 03:02:20,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:02:20,633 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:20,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:20,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:20,720 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 03:02:20,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:20,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2898 states to 2516 states and 2898 transitions. [2023-11-19 03:02:20,856 INFO L276 IsEmpty]: Start isEmpty. Operand 2516 states and 2898 transitions. [2023-11-19 03:02:20,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:02:20,856 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:20,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:20,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:21,175 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 03:02:21,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:21,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2900 states to 2518 states and 2900 transitions. [2023-11-19 03:02:21,437 INFO L276 IsEmpty]: Start isEmpty. Operand 2518 states and 2900 transitions. [2023-11-19 03:02:21,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:02:21,437 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:21,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:21,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:21,580 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:02:21,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:21,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2903 states to 2519 states and 2903 transitions. [2023-11-19 03:02:21,668 INFO L276 IsEmpty]: Start isEmpty. Operand 2519 states and 2903 transitions. [2023-11-19 03:02:21,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:02:21,669 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:21,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:21,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:21,767 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:02:21,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:21,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2902 states to 2519 states and 2902 transitions. [2023-11-19 03:02:21,883 INFO L276 IsEmpty]: Start isEmpty. Operand 2519 states and 2902 transitions. [2023-11-19 03:02:21,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:02:21,883 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:21,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:21,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:22,212 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:02:22,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:22,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2905 states to 2521 states and 2905 transitions. [2023-11-19 03:02:22,630 INFO L276 IsEmpty]: Start isEmpty. Operand 2521 states and 2905 transitions. [2023-11-19 03:02:22,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:02:22,630 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:22,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:22,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:22,790 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:02:23,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:23,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2910 states to 2523 states and 2910 transitions. [2023-11-19 03:02:23,048 INFO L276 IsEmpty]: Start isEmpty. Operand 2523 states and 2910 transitions. [2023-11-19 03:02:23,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:02:23,048 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:23,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:23,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:23,164 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:02:23,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:23,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2909 states to 2523 states and 2909 transitions. [2023-11-19 03:02:23,317 INFO L276 IsEmpty]: Start isEmpty. Operand 2523 states and 2909 transitions. [2023-11-19 03:02:23,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:02:23,318 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:23,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:23,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:23,712 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:02:23,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:24,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2909 states to 2524 states and 2909 transitions. [2023-11-19 03:02:24,002 INFO L276 IsEmpty]: Start isEmpty. Operand 2524 states and 2909 transitions. [2023-11-19 03:02:24,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:02:24,003 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:24,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:24,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:24,211 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:02:24,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:24,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2914 states to 2526 states and 2914 transitions. [2023-11-19 03:02:24,443 INFO L276 IsEmpty]: Start isEmpty. Operand 2526 states and 2914 transitions. [2023-11-19 03:02:24,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:02:24,444 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:24,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:24,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:24,537 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:02:24,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:24,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2913 states to 2526 states and 2913 transitions. [2023-11-19 03:02:24,683 INFO L276 IsEmpty]: Start isEmpty. Operand 2526 states and 2913 transitions. [2023-11-19 03:02:24,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:02:24,684 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:24,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:24,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:25,091 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:02:25,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:25,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2913 states to 2527 states and 2913 transitions. [2023-11-19 03:02:25,453 INFO L276 IsEmpty]: Start isEmpty. Operand 2527 states and 2913 transitions. [2023-11-19 03:02:25,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:02:25,455 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:25,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:25,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:25,679 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:02:25,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:25,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2918 states to 2529 states and 2918 transitions. [2023-11-19 03:02:25,949 INFO L276 IsEmpty]: Start isEmpty. Operand 2529 states and 2918 transitions. [2023-11-19 03:02:25,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:02:25,952 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:25,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:25,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:26,055 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 03:02:26,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:26,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2917 states to 2529 states and 2917 transitions. [2023-11-19 03:02:26,231 INFO L276 IsEmpty]: Start isEmpty. Operand 2529 states and 2917 transitions. [2023-11-19 03:02:26,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:02:26,232 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:26,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:26,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:26,811 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:02:27,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:27,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2921 states to 2531 states and 2921 transitions. [2023-11-19 03:02:27,742 INFO L276 IsEmpty]: Start isEmpty. Operand 2531 states and 2921 transitions. [2023-11-19 03:02:27,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:02:27,744 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:27,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:27,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:28,310 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-19 03:02:30,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:30,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2934 states to 2535 states and 2934 transitions. [2023-11-19 03:02:30,677 INFO L276 IsEmpty]: Start isEmpty. Operand 2535 states and 2934 transitions. [2023-11-19 03:02:30,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:02:30,678 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:30,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:30,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:31,064 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:02:31,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:31,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2942 states to 2537 states and 2942 transitions. [2023-11-19 03:02:31,827 INFO L276 IsEmpty]: Start isEmpty. Operand 2537 states and 2942 transitions. [2023-11-19 03:02:31,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:02:31,828 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:31,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:31,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:32,492 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 20 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:02:33,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:33,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2943 states to 2539 states and 2943 transitions. [2023-11-19 03:02:33,559 INFO L276 IsEmpty]: Start isEmpty. Operand 2539 states and 2943 transitions. [2023-11-19 03:02:33,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:02:33,560 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:33,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:33,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:33,771 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:02:34,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:34,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2943 states to 2540 states and 2943 transitions. [2023-11-19 03:02:34,033 INFO L276 IsEmpty]: Start isEmpty. Operand 2540 states and 2943 transitions. [2023-11-19 03:02:34,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:02:34,035 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:34,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:34,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:34,134 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-19 03:02:34,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:34,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2942 states to 2540 states and 2942 transitions. [2023-11-19 03:02:34,540 INFO L276 IsEmpty]: Start isEmpty. Operand 2540 states and 2942 transitions. [2023-11-19 03:02:34,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:02:34,543 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:34,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:34,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:34,836 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:02:35,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:35,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2949 states to 2542 states and 2949 transitions. [2023-11-19 03:02:35,494 INFO L276 IsEmpty]: Start isEmpty. Operand 2542 states and 2949 transitions. [2023-11-19 03:02:35,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:02:35,495 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:35,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:35,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:36,053 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:02:37,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:37,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2955 states to 2544 states and 2955 transitions. [2023-11-19 03:02:37,253 INFO L276 IsEmpty]: Start isEmpty. Operand 2544 states and 2955 transitions. [2023-11-19 03:02:37,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:02:37,255 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:37,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:37,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:37,365 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-11-19 03:02:37,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:37,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2954 states to 2544 states and 2954 transitions. [2023-11-19 03:02:37,852 INFO L276 IsEmpty]: Start isEmpty. Operand 2544 states and 2954 transitions. [2023-11-19 03:02:37,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:02:37,852 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:37,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:37,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:38,173 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:02:38,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:38,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2965 states to 2546 states and 2965 transitions. [2023-11-19 03:02:38,978 INFO L276 IsEmpty]: Start isEmpty. Operand 2546 states and 2965 transitions. [2023-11-19 03:02:38,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:02:38,979 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:38,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:39,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:39,189 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:02:39,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:39,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2973 states to 2548 states and 2973 transitions. [2023-11-19 03:02:39,975 INFO L276 IsEmpty]: Start isEmpty. Operand 2548 states and 2973 transitions. [2023-11-19 03:02:39,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:02:39,977 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:39,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:40,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:40,485 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:02:41,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:41,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2982 states to 2550 states and 2982 transitions. [2023-11-19 03:02:41,679 INFO L276 IsEmpty]: Start isEmpty. Operand 2550 states and 2982 transitions. [2023-11-19 03:02:41,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:02:41,679 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:41,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:41,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:41,788 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-19 03:02:42,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:42,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2981 states to 2550 states and 2981 transitions. [2023-11-19 03:02:42,241 INFO L276 IsEmpty]: Start isEmpty. Operand 2550 states and 2981 transitions. [2023-11-19 03:02:42,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:02:42,244 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:42,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:42,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:42,355 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-19 03:02:42,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:42,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2980 states to 2550 states and 2980 transitions. [2023-11-19 03:02:42,758 INFO L276 IsEmpty]: Start isEmpty. Operand 2550 states and 2980 transitions. [2023-11-19 03:02:42,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:02:42,758 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:42,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:42,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:42,971 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:02:43,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:43,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2980 states to 2551 states and 2980 transitions. [2023-11-19 03:02:43,384 INFO L276 IsEmpty]: Start isEmpty. Operand 2551 states and 2980 transitions. [2023-11-19 03:02:43,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:02:43,385 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:43,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:43,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:43,547 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-19 03:02:44,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:44,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2979 states to 2551 states and 2979 transitions. [2023-11-19 03:02:44,052 INFO L276 IsEmpty]: Start isEmpty. Operand 2551 states and 2979 transitions. [2023-11-19 03:02:44,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:02:44,053 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:44,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:44,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:44,876 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 42 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:02:46,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:46,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2979 states to 2553 states and 2979 transitions. [2023-11-19 03:02:46,043 INFO L276 IsEmpty]: Start isEmpty. Operand 2553 states and 2979 transitions. [2023-11-19 03:02:46,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:02:46,044 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:46,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:46,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:46,367 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:02:47,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:47,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2989 states to 2555 states and 2989 transitions. [2023-11-19 03:02:47,159 INFO L276 IsEmpty]: Start isEmpty. Operand 2555 states and 2989 transitions. [2023-11-19 03:02:47,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:02:47,160 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:47,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:47,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:47,883 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 56 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:02:48,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:48,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2990 states to 2556 states and 2990 transitions. [2023-11-19 03:02:48,600 INFO L276 IsEmpty]: Start isEmpty. Operand 2556 states and 2990 transitions. [2023-11-19 03:02:48,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:02:48,600 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:48,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:48,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:48,702 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-11-19 03:02:49,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:49,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2989 states to 2556 states and 2989 transitions. [2023-11-19 03:02:49,128 INFO L276 IsEmpty]: Start isEmpty. Operand 2556 states and 2989 transitions. [2023-11-19 03:02:49,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:02:49,129 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:49,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:49,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:49,506 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.