./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/head-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- 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_14fcdbd0-e613-4e0a-9ed4-9c8beaae8b16/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14fcdbd0-e613-4e0a-9ed4-9c8beaae8b16/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_14fcdbd0-e613-4e0a-9ed4-9c8beaae8b16/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14fcdbd0-e613-4e0a-9ed4-9c8beaae8b16/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/head-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14fcdbd0-e613-4e0a-9ed4-9c8beaae8b16/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_14fcdbd0-e613-4e0a-9ed4-9c8beaae8b16/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 cba5a963119dc53e5779ba4def398ef43e1b516dbff57f313e5d5d7dfbebfbb9 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:36:36,188 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:36:36,282 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14fcdbd0-e613-4e0a-9ed4-9c8beaae8b16/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf [2023-11-19 02:36:36,296 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:36:36,297 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:36:36,345 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:36:36,346 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:36:36,346 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:36:36,347 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:36:36,348 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:36:36,349 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:36:36,349 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 02:36:36,354 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 02:36:36,359 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 02:36:36,360 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:36:36,362 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:36:36,362 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:36:36,363 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:36:36,363 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:36:36,364 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:36:36,365 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:36:36,366 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:36:36,366 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:36:36,367 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:36:36,368 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:36:36,368 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:36:36,369 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_14fcdbd0-e613-4e0a-9ed4-9c8beaae8b16/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14fcdbd0-e613-4e0a-9ed4-9c8beaae8b16/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cba5a963119dc53e5779ba4def398ef43e1b516dbff57f313e5d5d7dfbebfbb9 [2023-11-19 02:36:36,715 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:36:36,748 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:36:36,751 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:36:36,753 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:36:36,754 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:36:36,755 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14fcdbd0-e613-4e0a-9ed4-9c8beaae8b16/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/busybox-1.22.0/head-1.i [2023-11-19 02:36:39,998 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:36:40,568 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:36:40,569 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14fcdbd0-e613-4e0a-9ed4-9c8beaae8b16/sv-benchmarks/c/busybox-1.22.0/head-1.i [2023-11-19 02:36:40,620 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14fcdbd0-e613-4e0a-9ed4-9c8beaae8b16/bin/ukojak-verify-G8NBE6pJGL/data/4bc42a858/04e31b2bd2b94f099013222a9e5ad190/FLAG480265680 [2023-11-19 02:36:40,638 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14fcdbd0-e613-4e0a-9ed4-9c8beaae8b16/bin/ukojak-verify-G8NBE6pJGL/data/4bc42a858/04e31b2bd2b94f099013222a9e5ad190 [2023-11-19 02:36:40,641 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:36:40,643 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:36:40,644 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:36:40,645 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:36:40,655 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:36:40,660 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:36:40" (1/1) ... [2023-11-19 02:36:40,661 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e9f1f50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:36:40, skipping insertion in model container [2023-11-19 02:36:40,662 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:36:40" (1/1) ... [2023-11-19 02:36:40,770 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:36:42,476 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:36:42,528 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:36:42,687 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:36:42,900 WARN L675 CHandler]: The function fflush is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:36:42,900 WARN L675 CHandler]: The function strtoull is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:36:42,901 WARN L675 CHandler]: The function strerror is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:36:42,901 WARN L675 CHandler]: The function fopen is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:36:42,901 WARN L675 CHandler]: The function ferror is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:36:42,901 WARN L675 CHandler]: The function fclose is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:36:42,902 WARN L675 CHandler]: The function putchar is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:36:42,902 WARN L675 CHandler]: The function fputs is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:36:42,902 WARN L675 CHandler]: The function fgetc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:36:42,910 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:36:42,911 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:36:42 WrapperNode [2023-11-19 02:36:42,911 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:36:42,913 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:36:42,913 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:36:42,913 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:36:42,922 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:36:42" (1/1) ... [2023-11-19 02:36:42,982 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:36:42" (1/1) ... [2023-11-19 02:36:43,231 INFO L138 Inliner]: procedures = 581, calls = 371, calls flagged for inlining = 66, calls inlined = 234, statements flattened = 5639 [2023-11-19 02:36:43,232 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:36:43,233 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:36:43,233 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:36:43,233 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:36:43,286 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:36:42" (1/1) ... [2023-11-19 02:36:43,287 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:36:42" (1/1) ... [2023-11-19 02:36:43,359 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:36:42" (1/1) ... [2023-11-19 02:36:43,363 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:36:42" (1/1) ... [2023-11-19 02:36:43,518 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:36:42" (1/1) ... [2023-11-19 02:36:43,565 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:36:42" (1/1) ... [2023-11-19 02:36:43,594 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:36:42" (1/1) ... [2023-11-19 02:36:43,635 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:36:42" (1/1) ... [2023-11-19 02:36:43,677 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:36:43,678 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:36:43,679 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:36:43,679 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:36:43,680 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:36:42" (1/1) ... [2023-11-19 02:36:43,687 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:36:43,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14fcdbd0-e613-4e0a-9ed4-9c8beaae8b16/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:36:43,717 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14fcdbd0-e613-4e0a-9ed4-9c8beaae8b16/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:36:43,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14fcdbd0-e613-4e0a-9ed4-9c8beaae8b16/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:36:43,764 INFO L130 BoogieDeclarations]: Found specification of procedure putchar [2023-11-19 02:36:43,765 INFO L130 BoogieDeclarations]: Found specification of procedure strerror [2023-11-19 02:36:43,765 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:36:43,765 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 02:36:43,765 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc [2023-11-19 02:36:43,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 02:36:43,766 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 02:36:43,767 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 02:36:43,767 INFO L130 BoogieDeclarations]: Found specification of procedure fputs [2023-11-19 02:36:43,767 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2023-11-19 02:36:43,767 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:36:43,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 02:36:43,768 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:36:43,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:36:43,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 02:36:43,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 02:36:43,768 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2023-11-19 02:36:43,769 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 02:36:43,769 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 02:36:43,769 INFO L130 BoogieDeclarations]: Found specification of procedure ferror [2023-11-19 02:36:43,769 INFO L130 BoogieDeclarations]: Found specification of procedure fclose [2023-11-19 02:36:43,771 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2023-11-19 02:36:43,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 02:36:43,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:36:44,282 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:36:44,285 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:36:52,414 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:36:54,220 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:36:54,221 INFO L302 CfgBuilder]: Removed 110 assume(true) statements. [2023-11-19 02:36:54,246 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:36:54 BoogieIcfgContainer [2023-11-19 02:36:54,247 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:36:54,249 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:36:54,249 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:36:54,262 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:36:54,262 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:36:54" (1/1) ... [2023-11-19 02:36:54,275 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:36:54,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:36:54,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3524 states to 3061 states and 3524 transitions. [2023-11-19 02:36:54,434 INFO L276 IsEmpty]: Start isEmpty. Operand 3061 states and 3524 transitions. [2023-11-19 02:36:54,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-19 02:36:54,437 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:36:54,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:36:54,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:36:55,050 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 02:36:55,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:36:55,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3523 states to 3060 states and 3523 transitions. [2023-11-19 02:36:55,175 INFO L276 IsEmpty]: Start isEmpty. Operand 3060 states and 3523 transitions. [2023-11-19 02:36:55,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-19 02:36:55,181 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:36:55,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:36:55,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:36:55,442 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 02:36:55,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:36:55,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3522 states to 3059 states and 3522 transitions. [2023-11-19 02:36:55,578 INFO L276 IsEmpty]: Start isEmpty. Operand 3059 states and 3522 transitions. [2023-11-19 02:36:55,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 02:36:55,578 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:36:55,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:36:55,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:36:55,760 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 02:36:55,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:36:55,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3524 states to 3060 states and 3524 transitions. [2023-11-19 02:36:55,823 INFO L276 IsEmpty]: Start isEmpty. Operand 3060 states and 3524 transitions. [2023-11-19 02:36:55,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 02:36:55,829 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:36:55,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:36:55,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:36:55,927 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 02:36:56,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:36:56,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3526 states to 3061 states and 3526 transitions. [2023-11-19 02:36:56,050 INFO L276 IsEmpty]: Start isEmpty. Operand 3061 states and 3526 transitions. [2023-11-19 02:36:56,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 02:36:56,050 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:36:56,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:36:56,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:36:56,359 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 02:36:56,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:36:56,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3528 states to 3063 states and 3528 transitions. [2023-11-19 02:36:56,630 INFO L276 IsEmpty]: Start isEmpty. Operand 3063 states and 3528 transitions. [2023-11-19 02:36:56,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 02:36:56,631 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:36:56,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:36:56,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:36:56,796 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 02:36:56,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:36:56,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3531 states to 3064 states and 3531 transitions. [2023-11-19 02:36:56,899 INFO L276 IsEmpty]: Start isEmpty. Operand 3064 states and 3531 transitions. [2023-11-19 02:36:56,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 02:36:56,900 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:36:56,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:36:56,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:36:56,986 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 02:36:57,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:36:57,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3530 states to 3064 states and 3530 transitions. [2023-11-19 02:36:57,111 INFO L276 IsEmpty]: Start isEmpty. Operand 3064 states and 3530 transitions. [2023-11-19 02:36:57,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 02:36:57,111 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:36:57,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:36:57,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:36:57,588 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 02:36:58,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:36:58,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3533 states to 3066 states and 3533 transitions. [2023-11-19 02:36:58,071 INFO L276 IsEmpty]: Start isEmpty. Operand 3066 states and 3533 transitions. [2023-11-19 02:36:58,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 02:36:58,071 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:36:58,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:36:58,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:36:58,299 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 02:36:58,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:36:58,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3538 states to 3068 states and 3538 transitions. [2023-11-19 02:36:58,575 INFO L276 IsEmpty]: Start isEmpty. Operand 3068 states and 3538 transitions. [2023-11-19 02:36:58,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 02:36:58,576 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:36:58,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:36:58,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:36:58,695 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 02:36:58,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:36:58,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3537 states to 3068 states and 3537 transitions. [2023-11-19 02:36:58,857 INFO L276 IsEmpty]: Start isEmpty. Operand 3068 states and 3537 transitions. [2023-11-19 02:36:58,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 02:36:58,858 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:36:58,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:36:58,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:36:59,239 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 02:36:59,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:36:59,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3537 states to 3069 states and 3537 transitions. [2023-11-19 02:36:59,604 INFO L276 IsEmpty]: Start isEmpty. Operand 3069 states and 3537 transitions. [2023-11-19 02:36:59,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 02:36:59,605 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:36:59,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:36:59,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:36:59,857 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 02:37:00,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:37:00,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3542 states to 3071 states and 3542 transitions. [2023-11-19 02:37:00,132 INFO L276 IsEmpty]: Start isEmpty. Operand 3071 states and 3542 transitions. [2023-11-19 02:37:00,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 02:37:00,133 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:37:00,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:37:00,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:37:00,242 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 02:37:00,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:37:00,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3541 states to 3071 states and 3541 transitions. [2023-11-19 02:37:00,412 INFO L276 IsEmpty]: Start isEmpty. Operand 3071 states and 3541 transitions. [2023-11-19 02:37:00,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 02:37:00,413 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:37:00,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:37:00,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:37:00,826 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 02:37:01,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:37:01,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3541 states to 3072 states and 3541 transitions. [2023-11-19 02:37:01,198 INFO L276 IsEmpty]: Start isEmpty. Operand 3072 states and 3541 transitions. [2023-11-19 02:37:01,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 02:37:01,199 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:37:01,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:37:01,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:37:01,445 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 02:37:01,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:37:01,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3546 states to 3074 states and 3546 transitions. [2023-11-19 02:37:01,761 INFO L276 IsEmpty]: Start isEmpty. Operand 3074 states and 3546 transitions. [2023-11-19 02:37:01,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 02:37:01,762 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:37:01,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:37:01,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:37:01,883 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 02:37:02,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:37:02,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3545 states to 3074 states and 3545 transitions. [2023-11-19 02:37:02,092 INFO L276 IsEmpty]: Start isEmpty. Operand 3074 states and 3545 transitions. [2023-11-19 02:37:02,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 02:37:02,093 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:37:02,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:37:02,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:37:02,645 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:37:03,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:37:03,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3545 states to 3075 states and 3545 transitions. [2023-11-19 02:37:03,077 INFO L276 IsEmpty]: Start isEmpty. Operand 3075 states and 3545 transitions. [2023-11-19 02:37:03,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 02:37:03,079 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:37:03,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:37:03,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:37:03,703 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 02:37:06,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:37:06,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3553 states to 3078 states and 3553 transitions. [2023-11-19 02:37:06,253 INFO L276 IsEmpty]: Start isEmpty. Operand 3078 states and 3553 transitions. [2023-11-19 02:37:06,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 02:37:06,254 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:37:06,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:37:06,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:37:06,594 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 02:37:07,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:37:07,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3558 states to 3080 states and 3558 transitions. [2023-11-19 02:37:07,129 INFO L276 IsEmpty]: Start isEmpty. Operand 3080 states and 3558 transitions. [2023-11-19 02:37:07,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 02:37:07,130 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:37:07,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:37:07,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:37:07,259 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 02:37:07,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:37:07,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3557 states to 3080 states and 3557 transitions. [2023-11-19 02:37:07,607 INFO L276 IsEmpty]: Start isEmpty. Operand 3080 states and 3557 transitions. [2023-11-19 02:37:07,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 02:37:07,608 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:37:07,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:37:07,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:37:08,305 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 02:37:09,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:37:09,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3557 states to 3081 states and 3557 transitions. [2023-11-19 02:37:09,035 INFO L276 IsEmpty]: Start isEmpty. Operand 3081 states and 3557 transitions. [2023-11-19 02:37:09,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 02:37:09,036 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:37:09,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:37:09,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:37:09,467 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 02:37:10,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:37:10,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3562 states to 3083 states and 3562 transitions. [2023-11-19 02:37:10,090 INFO L276 IsEmpty]: Start isEmpty. Operand 3083 states and 3562 transitions. [2023-11-19 02:37:10,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 02:37:10,091 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:37:10,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:37:10,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:37:10,205 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 02:37:10,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:37:10,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3561 states to 3083 states and 3561 transitions. [2023-11-19 02:37:10,555 INFO L276 IsEmpty]: Start isEmpty. Operand 3083 states and 3561 transitions. [2023-11-19 02:37:10,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 02:37:10,556 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:37:10,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:37:10,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:37:11,201 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 30 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:37:11,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:37:11,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3561 states to 3084 states and 3561 transitions. [2023-11-19 02:37:11,937 INFO L276 IsEmpty]: Start isEmpty. Operand 3084 states and 3561 transitions. [2023-11-19 02:37:11,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 02:37:11,938 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:37:11,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:37:11,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:37:12,309 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 02:37:12,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:37:12,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3566 states to 3086 states and 3566 transitions. [2023-11-19 02:37:12,939 INFO L276 IsEmpty]: Start isEmpty. Operand 3086 states and 3566 transitions. [2023-11-19 02:37:12,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 02:37:12,940 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:37:12,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:37:12,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:37:13,078 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 02:37:13,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:37:13,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3565 states to 3086 states and 3565 transitions. [2023-11-19 02:37:13,441 INFO L276 IsEmpty]: Start isEmpty. Operand 3086 states and 3565 transitions. [2023-11-19 02:37:13,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 02:37:13,441 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:37:13,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:37:13,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:37:14,127 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 02:37:14,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:37:14,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3565 states to 3087 states and 3565 transitions. [2023-11-19 02:37:14,813 INFO L276 IsEmpty]: Start isEmpty. Operand 3087 states and 3565 transitions. [2023-11-19 02:37:14,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 02:37:14,814 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:37:14,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:37:14,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:37:15,253 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 02:37:16,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:37:16,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3570 states to 3089 states and 3570 transitions. [2023-11-19 02:37:16,096 INFO L276 IsEmpty]: Start isEmpty. Operand 3089 states and 3570 transitions. [2023-11-19 02:37:16,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 02:37:16,099 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:37:16,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:37:16,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:37:16,230 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 02:37:16,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:37:16,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3569 states to 3089 states and 3569 transitions. [2023-11-19 02:37:16,635 INFO L276 IsEmpty]: Start isEmpty. Operand 3089 states and 3569 transitions. [2023-11-19 02:37:16,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 02:37:16,640 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:37:16,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:37:16,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:37:18,624 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:37:20,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:37:20,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3575 states to 3091 states and 3575 transitions. [2023-11-19 02:37:20,988 INFO L276 IsEmpty]: Start isEmpty. Operand 3091 states and 3575 transitions. [2023-11-19 02:37:20,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 02:37:20,988 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:37:20,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:37:21,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat