./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/yes-2.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_28fe6b18-48c5-4121-bd14-5b0846385c26/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28fe6b18-48c5-4121-bd14-5b0846385c26/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_28fe6b18-48c5-4121-bd14-5b0846385c26/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28fe6b18-48c5-4121-bd14-5b0846385c26/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/yes-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28fe6b18-48c5-4121-bd14-5b0846385c26/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_28fe6b18-48c5-4121-bd14-5b0846385c26/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 7dd0f599801267a2b289825c69f0bbe5634e253432346cc86e17f834b155b990 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:43:50,209 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:43:50,318 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28fe6b18-48c5-4121-bd14-5b0846385c26/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf [2023-11-19 03:43:50,328 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:43:50,329 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:43:50,363 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:43:50,365 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:43:50,366 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:43:50,366 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:43:50,371 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:43:50,372 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:43:50,373 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 03:43:50,373 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 03:43:50,375 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 03:43:50,375 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:43:50,376 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:43:50,376 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:43:50,377 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:43:50,377 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:43:50,378 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:43:50,379 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:43:50,380 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:43:50,380 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:43:50,381 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:43:50,381 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:43:50,381 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:43:50,382 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_28fe6b18-48c5-4121-bd14-5b0846385c26/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28fe6b18-48c5-4121-bd14-5b0846385c26/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7dd0f599801267a2b289825c69f0bbe5634e253432346cc86e17f834b155b990 [2023-11-19 03:43:50,725 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:43:50,759 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:43:50,762 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:43:50,763 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:43:50,764 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:43:50,765 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28fe6b18-48c5-4121-bd14-5b0846385c26/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/busybox-1.22.0/yes-2.i [2023-11-19 03:43:53,908 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:43:54,329 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:43:54,331 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28fe6b18-48c5-4121-bd14-5b0846385c26/sv-benchmarks/c/busybox-1.22.0/yes-2.i [2023-11-19 03:43:54,371 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28fe6b18-48c5-4121-bd14-5b0846385c26/bin/ukojak-verify-G8NBE6pJGL/data/c465baa8c/a994b1c08b6b4044a2f6ec39ce08e091/FLAG7b02f7242 [2023-11-19 03:43:54,389 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28fe6b18-48c5-4121-bd14-5b0846385c26/bin/ukojak-verify-G8NBE6pJGL/data/c465baa8c/a994b1c08b6b4044a2f6ec39ce08e091 [2023-11-19 03:43:54,393 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:43:54,394 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:43:54,396 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:43:54,396 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:43:54,401 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:43:54,402 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:43:54" (1/1) ... [2023-11-19 03:43:54,403 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31f084e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:54, skipping insertion in model container [2023-11-19 03:43:54,403 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:43:54" (1/1) ... [2023-11-19 03:43:54,490 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:43:55,792 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:43:55,847 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:43:56,005 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:43:56,179 WARN L675 CHandler]: The function fflush is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:43:56,180 WARN L675 CHandler]: The function strerror is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:43:56,181 WARN L675 CHandler]: The function putchar is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:43:56,181 WARN L675 CHandler]: The function fputs is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:43:56,189 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:43:56,189 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:56 WrapperNode [2023-11-19 03:43:56,190 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:43:56,191 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:43:56,191 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:43:56,191 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:43:56,197 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:56" (1/1) ... [2023-11-19 03:43:56,252 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:56" (1/1) ... [2023-11-19 03:43:56,325 INFO L138 Inliner]: procedures = 596, calls = 150, calls flagged for inlining = 27, calls inlined = 21, statements flattened = 557 [2023-11-19 03:43:56,325 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:43:56,326 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:43:56,326 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:43:56,326 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:43:56,349 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:56" (1/1) ... [2023-11-19 03:43:56,350 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:56" (1/1) ... [2023-11-19 03:43:56,388 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:56" (1/1) ... [2023-11-19 03:43:56,389 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:56" (1/1) ... [2023-11-19 03:43:56,458 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:56" (1/1) ... [2023-11-19 03:43:56,465 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:56" (1/1) ... [2023-11-19 03:43:56,485 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:56" (1/1) ... [2023-11-19 03:43:56,504 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:56" (1/1) ... [2023-11-19 03:43:56,516 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:43:56,528 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:43:56,528 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:43:56,528 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:43:56,529 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:56" (1/1) ... [2023-11-19 03:43:56,549 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:43:56,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28fe6b18-48c5-4121-bd14-5b0846385c26/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:43:56,585 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28fe6b18-48c5-4121-bd14-5b0846385c26/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:43:56,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28fe6b18-48c5-4121-bd14-5b0846385c26/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:43:56,631 INFO L130 BoogieDeclarations]: Found specification of procedure putchar [2023-11-19 03:43:56,631 INFO L130 BoogieDeclarations]: Found specification of procedure strerror [2023-11-19 03:43:56,631 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:43:56,631 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 03:43:56,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 03:43:56,632 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:43:56,632 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:43:56,632 INFO L130 BoogieDeclarations]: Found specification of procedure fputs [2023-11-19 03:43:56,632 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2023-11-19 03:43:56,633 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:43:56,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 03:43:56,634 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:43:56,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:43:56,634 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 03:43:56,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 03:43:56,635 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:43:56,635 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 03:43:56,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:43:56,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:43:57,102 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:43:57,105 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:43:58,360 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:43:58,567 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:43:58,567 INFO L302 CfgBuilder]: Removed 14 assume(true) statements. [2023-11-19 03:43:58,576 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:43:58 BoogieIcfgContainer [2023-11-19 03:43:58,576 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:43:58,581 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:43:58,581 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:43:58,593 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:43:58,596 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:43:58" (1/1) ... [2023-11-19 03:43:58,608 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:43:58,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:43:58,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 312 states and 350 transitions. [2023-11-19 03:43:58,712 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 350 transitions. [2023-11-19 03:43:58,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-19 03:43:58,714 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:43:58,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:43:58,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:43:59,383 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 03:43:59,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:43:59,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 311 states and 349 transitions. [2023-11-19 03:43:59,460 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 349 transitions. [2023-11-19 03:43:59,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-19 03:43:59,461 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:43:59,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:43:59,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:43:59,749 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 03:43:59,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:43:59,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 310 states and 348 transitions. [2023-11-19 03:43:59,864 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 348 transitions. [2023-11-19 03:43:59,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:43:59,865 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:43:59,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:43:59,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:44:00,045 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 03:44:00,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:44:00,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 311 states and 350 transitions. [2023-11-19 03:44:00,094 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 350 transitions. [2023-11-19 03:44:00,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:44:00,097 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:44:00,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:44:00,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:44:00,245 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 03:44:00,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:44:00,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 312 states and 352 transitions. [2023-11-19 03:44:00,356 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 352 transitions. [2023-11-19 03:44:00,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:44:00,357 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:44:00,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:44:00,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:44:00,617 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 03:44:01,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:44:01,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 314 states and 354 transitions. [2023-11-19 03:44:01,096 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 354 transitions. [2023-11-19 03:44:01,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:44:01,096 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:44:01,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:44:01,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:44:01,400 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 03:44:01,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:44:01,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 315 states and 357 transitions. [2023-11-19 03:44:01,510 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 357 transitions. [2023-11-19 03:44:01,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:44:01,511 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:44:01,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:44:01,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:44:01,633 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 03:44:01,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:44:01,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 315 states and 356 transitions. [2023-11-19 03:44:01,771 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 356 transitions. [2023-11-19 03:44:01,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:44:01,772 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:44:01,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:44:01,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:44:02,138 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 03:44:02,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:44:02,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 317 states and 359 transitions. [2023-11-19 03:44:02,723 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 359 transitions. [2023-11-19 03:44:02,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:44:02,724 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:44:02,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:44:02,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:44:02,961 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 03:44:03,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:44:03,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 319 states and 364 transitions. [2023-11-19 03:44:03,226 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 364 transitions. [2023-11-19 03:44:03,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:44:03,227 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:44:03,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:44:03,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:44:03,318 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 03:44:03,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:44:03,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 319 states and 363 transitions. [2023-11-19 03:44:03,490 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 363 transitions. [2023-11-19 03:44:03,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:44:03,490 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:44:03,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:44:03,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:44:03,923 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:44:04,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:44:04,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 321 states and 367 transitions. [2023-11-19 03:44:04,763 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 367 transitions. [2023-11-19 03:44:04,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:44:04,764 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:44:04,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:44:04,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:44:04,978 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 03:44:05,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:44:05,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 323 states and 374 transitions. [2023-11-19 03:44:05,407 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 374 transitions. [2023-11-19 03:44:05,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:44:05,407 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:44:05,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:44:05,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:44:05,503 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 03:44:05,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:44:05,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 323 states and 373 transitions. [2023-11-19 03:44:05,714 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 373 transitions. [2023-11-19 03:44:05,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:44:05,716 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:44:05,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:44:05,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:44:06,236 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 03:44:06,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:44:06,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 325 states and 373 transitions. [2023-11-19 03:44:06,950 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 373 transitions. [2023-11-19 03:44:06,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:44:06,953 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:44:06,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:44:07,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:44:07,200 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 03:44:07,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:44:07,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 327 states and 380 transitions. [2023-11-19 03:44:07,654 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 380 transitions. [2023-11-19 03:44:07,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:44:07,656 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:44:07,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:44:07,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:44:07,800 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 03:44:08,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:44:08,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 327 states and 379 transitions. [2023-11-19 03:44:08,031 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 379 transitions. [2023-11-19 03:44:08,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:44:08,032 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:44:08,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:44:08,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:44:08,471 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 03:44:09,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:44:09,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 329 states and 382 transitions. [2023-11-19 03:44:09,470 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 382 transitions. [2023-11-19 03:44:09,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:44:09,471 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:44:09,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:44:09,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:44:09,861 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:44:10,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:44:10,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 331 states and 384 transitions. [2023-11-19 03:44:10,938 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 384 transitions. [2023-11-19 03:44:10,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:44:10,939 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:44:10,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:44:10,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:44:11,209 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 03:44:11,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:44:11,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 333 states and 393 transitions. [2023-11-19 03:44:11,781 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 393 transitions. [2023-11-19 03:44:11,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:44:11,782 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:44:11,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:44:11,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:44:11,881 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 03:44:12,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:44:12,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 333 states and 392 transitions. [2023-11-19 03:44:12,159 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 392 transitions. [2023-11-19 03:44:12,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:44:12,160 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:44:12,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:44:12,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:44:12,415 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 03:44:12,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:44:12,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 334 states and 392 transitions. [2023-11-19 03:44:12,753 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 392 transitions. [2023-11-19 03:44:12,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:44:12,754 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:44:12,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:44:12,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:44:13,049 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:44:13,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:44:13,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 335 states and 392 transitions. [2023-11-19 03:44:13,444 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 392 transitions. [2023-11-19 03:44:13,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:44:13,444 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:44:13,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:44:13,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:44:13,765 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 03:44:14,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:44:14,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 336 states and 392 transitions. [2023-11-19 03:44:14,168 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 392 transitions. [2023-11-19 03:44:14,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:44:14,171 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:44:14,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:44:14,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:44:14,512 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 03:44:15,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:44:15,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 338 states and 402 transitions. [2023-11-19 03:44:15,179 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 402 transitions. [2023-11-19 03:44:15,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:44:15,179 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:44:15,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:44:15,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:44:15,308 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 03:44:15,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:44:15,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 338 states and 401 transitions. [2023-11-19 03:44:15,619 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 401 transitions. [2023-11-19 03:44:15,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:44:15,620 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:44:15,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:44:15,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:44:15,814 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 03:44:16,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:44:16,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 339 states and 401 transitions. [2023-11-19 03:44:16,183 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 401 transitions. [2023-11-19 03:44:16,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:44:16,186 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:44:16,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:44:16,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:44:16,954 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 03:44:18,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:44:18,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 342 states and 401 transitions. [2023-11-19 03:44:18,147 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 401 transitions. [2023-11-19 03:44:18,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:44:18,148 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:44:18,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:44:18,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:44:18,551 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 03:44:19,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:44:19,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 344 states and 412 transitions. [2023-11-19 03:44:19,156 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 412 transitions. [2023-11-19 03:44:19,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:44:19,157 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:44:19,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:44:19,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:44:19,270 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 03:44:19,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:44:19,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 344 states and 411 transitions. [2023-11-19 03:44:19,548 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 411 transitions. [2023-11-19 03:44:19,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:44:19,550 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:44:19,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:44:19,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:44:20,067 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 03:44:21,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:44:21,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 346 states and 414 transitions. [2023-11-19 03:44:21,227 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 414 transitions. [2023-11-19 03:44:21,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:44:21,229 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:44:21,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:44:21,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:44:21,497 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 03:44:22,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:44:22,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 348 states and 427 transitions. [2023-11-19 03:44:22,114 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 427 transitions. [2023-11-19 03:44:22,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:44:22,115 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:44:22,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:44:22,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:44:22,203 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 03:44:22,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:44:22,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 348 states and 426 transitions. [2023-11-19 03:44:22,492 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 426 transitions. [2023-11-19 03:44:22,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:44:22,492 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:44:22,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:44:22,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:44:22,678 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 03:44:23,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:44:23,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 349 states and 426 transitions. [2023-11-19 03:44:23,041 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 426 transitions. [2023-11-19 03:44:23,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:44:23,041 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:44:23,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:44:23,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:44:23,699 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 03:44:24,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:44:24,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 351 states and 426 transitions. [2023-11-19 03:44:24,796 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 426 transitions. [2023-11-19 03:44:24,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:44:24,797 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:44:24,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:44:24,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:44:25,166 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 03:44:25,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:44:25,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 352 states and 426 transitions. [2023-11-19 03:44:25,411 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 426 transitions. [2023-11-19 03:44:25,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:44:25,412 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:44:25,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:44:25,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:44:25,698 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:44:26,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:44:26,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 354 states and 432 transitions. [2023-11-19 03:44:26,228 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 432 transitions. [2023-11-19 03:44:26,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:44:26,228 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:44:26,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:44:26,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:44:26,318 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2023-11-19 03:44:26,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:44:26,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 352 states and 429 transitions. [2023-11-19 03:44:26,685 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 429 transitions. [2023-11-19 03:44:26,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:44:26,685 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:44:26,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:44:26,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:44:27,295 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:44:28,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:44:28,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 354 states and 431 transitions. [2023-11-19 03:44:28,660 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 431 transitions. [2023-11-19 03:44:28,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 03:44:28,660 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:44:28,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:44:28,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:44:29,426 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-11-19 03:44:34,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:44:34,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 358 states and 452 transitions. [2023-11-19 03:44:34,623 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 452 transitions. [2023-11-19 03:44:34,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 03:44:34,624 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:44:34,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:44:34,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:44:35,208 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked.