./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/uudecode-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_5af02de6-dc0d-46fc-81f1-bfcc947f9cc4/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5af02de6-dc0d-46fc-81f1-bfcc947f9cc4/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_5af02de6-dc0d-46fc-81f1-bfcc947f9cc4/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5af02de6-dc0d-46fc-81f1-bfcc947f9cc4/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/uudecode-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5af02de6-dc0d-46fc-81f1-bfcc947f9cc4/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_5af02de6-dc0d-46fc-81f1-bfcc947f9cc4/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 fb9014c2bb85c9a9ac54681a12eb8ca24c098d06a79f65deadf00655e1ea97ed --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:02:37,454 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:02:37,572 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5af02de6-dc0d-46fc-81f1-bfcc947f9cc4/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf [2023-11-19 04:02:37,581 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:02:37,581 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 04:02:37,610 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:02:37,611 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:02:37,612 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:02:37,612 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:02:37,614 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:02:37,615 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:02:37,615 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 04:02:37,616 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 04:02:37,621 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 04:02:37,622 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:02:37,622 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 04:02:37,624 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:02:37,624 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:02:37,625 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:02:37,625 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:02:37,626 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:02:37,626 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:02:37,627 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:02:37,627 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:02:37,628 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 04:02:37,628 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:02:37,629 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_5af02de6-dc0d-46fc-81f1-bfcc947f9cc4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5af02de6-dc0d-46fc-81f1-bfcc947f9cc4/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fb9014c2bb85c9a9ac54681a12eb8ca24c098d06a79f65deadf00655e1ea97ed [2023-11-19 04:02:37,930 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:02:37,968 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:02:37,971 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:02:37,973 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:02:37,973 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:02:37,975 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5af02de6-dc0d-46fc-81f1-bfcc947f9cc4/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/busybox-1.22.0/uudecode-1.i [2023-11-19 04:02:41,165 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:02:41,674 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:02:41,675 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5af02de6-dc0d-46fc-81f1-bfcc947f9cc4/sv-benchmarks/c/busybox-1.22.0/uudecode-1.i [2023-11-19 04:02:41,714 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5af02de6-dc0d-46fc-81f1-bfcc947f9cc4/bin/ukojak-verify-G8NBE6pJGL/data/dbea26521/84e503952acf4d0a8e4e29c430527b39/FLAG64edcee34 [2023-11-19 04:02:41,738 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5af02de6-dc0d-46fc-81f1-bfcc947f9cc4/bin/ukojak-verify-G8NBE6pJGL/data/dbea26521/84e503952acf4d0a8e4e29c430527b39 [2023-11-19 04:02:41,744 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:02:41,747 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:02:41,752 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:02:41,752 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:02:41,757 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:02:41,758 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:02:41" (1/1) ... [2023-11-19 04:02:41,761 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57126e88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:41, skipping insertion in model container [2023-11-19 04:02:41,761 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:02:41" (1/1) ... [2023-11-19 04:02:41,865 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:02:43,525 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:02:43,557 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:02:43,746 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:02:44,057 WARN L675 CHandler]: The function fflush is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:02:44,061 WARN L675 CHandler]: The function strerror is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:02:44,061 WARN L675 CHandler]: The function strncmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:02:44,061 WARN L675 CHandler]: The function decode_fn_ptr is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:02:44,062 WARN L675 CHandler]: The function fopen is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:02:44,062 WARN L675 CHandler]: The function strtoul is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:02:44,062 WARN L675 CHandler]: The function fwrite is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:02:44,063 WARN L675 CHandler]: The function fgetc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:02:44,071 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:02:44,072 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:44 WrapperNode [2023-11-19 04:02:44,072 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:02:44,074 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:02:44,074 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:02:44,074 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:02:44,082 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:44" (1/1) ... [2023-11-19 04:02:44,162 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:44" (1/1) ... [2023-11-19 04:02:44,513 INFO L138 Inliner]: procedures = 620, calls = 857, calls flagged for inlining = 82, calls inlined = 297, statements flattened = 8551 [2023-11-19 04:02:44,514 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:02:44,515 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:02:44,515 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:02:44,515 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:02:44,525 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:44" (1/1) ... [2023-11-19 04:02:44,525 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:44" (1/1) ... [2023-11-19 04:02:44,587 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:44" (1/1) ... [2023-11-19 04:02:44,587 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:44" (1/1) ... [2023-11-19 04:02:44,849 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:44" (1/1) ... [2023-11-19 04:02:44,905 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:44" (1/1) ... [2023-11-19 04:02:44,946 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:44" (1/1) ... [2023-11-19 04:02:44,975 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:44" (1/1) ... [2023-11-19 04:02:45,046 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:02:45,047 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:02:45,047 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:02:45,047 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:02:45,048 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:44" (1/1) ... [2023-11-19 04:02:45,054 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:02:45,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5af02de6-dc0d-46fc-81f1-bfcc947f9cc4/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:02:45,079 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5af02de6-dc0d-46fc-81f1-bfcc947f9cc4/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:02:45,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5af02de6-dc0d-46fc-81f1-bfcc947f9cc4/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:02:45,121 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2023-11-19 04:02:45,122 INFO L130 BoogieDeclarations]: Found specification of procedure strerror [2023-11-19 04:02:45,122 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:02:45,122 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 04:02:45,122 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc [2023-11-19 04:02:45,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 04:02:45,122 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 04:02:45,123 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 04:02:45,123 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2023-11-19 04:02:45,123 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:02:45,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 04:02:45,123 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:02:45,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:02:45,124 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 04:02:45,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 04:02:45,124 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2023-11-19 04:02:45,124 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:02:45,124 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 04:02:45,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 04:02:45,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 04:02:45,125 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2023-11-19 04:02:45,125 INFO L130 BoogieDeclarations]: Found specification of procedure fwrite [2023-11-19 04:02:45,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:02:45,668 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:02:45,670 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:02:56,717 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:03:00,625 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:03:00,625 INFO L302 CfgBuilder]: Removed 160 assume(true) statements. [2023-11-19 04:03:00,650 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:03:00 BoogieIcfgContainer [2023-11-19 04:03:00,650 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:03:00,652 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:03:00,652 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:03:00,663 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:03:00,663 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:03:00" (1/1) ... [2023-11-19 04:03:00,674 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:03:00,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:00,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5389 states to 4696 states and 5389 transitions. [2023-11-19 04:03:00,830 INFO L276 IsEmpty]: Start isEmpty. Operand 4696 states and 5389 transitions. [2023-11-19 04:03:00,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-19 04:03:00,832 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:00,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:01,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:01,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:03:01,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:01,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5388 states to 4695 states and 5388 transitions. [2023-11-19 04:03:01,749 INFO L276 IsEmpty]: Start isEmpty. Operand 4695 states and 5388 transitions. [2023-11-19 04:03:01,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-19 04:03:01,749 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:01,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:01,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:02,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:03:02,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:02,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5387 states to 4694 states and 5387 transitions. [2023-11-19 04:03:02,550 INFO L276 IsEmpty]: Start isEmpty. Operand 4694 states and 5387 transitions. [2023-11-19 04:03:02,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 04:03:02,551 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:02,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:02,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:02,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:03:02,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:02,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5386 states to 4693 states and 5386 transitions. [2023-11-19 04:03:02,766 INFO L276 IsEmpty]: Start isEmpty. Operand 4693 states and 5386 transitions. [2023-11-19 04:03:02,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 04:03:02,766 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:02,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:02,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:02,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:03:03,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:03,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5388 states to 4694 states and 5388 transitions. [2023-11-19 04:03:03,109 INFO L276 IsEmpty]: Start isEmpty. Operand 4694 states and 5388 transitions. [2023-11-19 04:03:03,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 04:03:03,109 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:03,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:03,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:03,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:03:03,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:03,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5390 states to 4696 states and 5390 transitions. [2023-11-19 04:03:03,667 INFO L276 IsEmpty]: Start isEmpty. Operand 4696 states and 5390 transitions. [2023-11-19 04:03:03,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 04:03:03,668 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:03,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:03,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:03,859 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 04:03:03,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:03,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5392 states to 4697 states and 5392 transitions. [2023-11-19 04:03:03,993 INFO L276 IsEmpty]: Start isEmpty. Operand 4697 states and 5392 transitions. [2023-11-19 04:03:03,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 04:03:03,996 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:03,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:04,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:04,483 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 04:03:04,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:04,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5395 states to 4699 states and 5395 transitions. [2023-11-19 04:03:04,895 INFO L276 IsEmpty]: Start isEmpty. Operand 4699 states and 5395 transitions. [2023-11-19 04:03:04,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 04:03:04,896 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:04,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:05,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:05,188 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 04:03:05,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:05,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5399 states to 4701 states and 5399 transitions. [2023-11-19 04:03:05,445 INFO L276 IsEmpty]: Start isEmpty. Operand 4701 states and 5399 transitions. [2023-11-19 04:03:05,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 04:03:05,446 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:05,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:05,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:05,896 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 04:03:06,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:06,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5399 states to 4702 states and 5399 transitions. [2023-11-19 04:03:06,189 INFO L276 IsEmpty]: Start isEmpty. Operand 4702 states and 5399 transitions. [2023-11-19 04:03:06,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 04:03:06,190 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:06,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:06,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:06,733 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:03:07,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:07,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5406 states to 4705 states and 5406 transitions. [2023-11-19 04:03:07,578 INFO L276 IsEmpty]: Start isEmpty. Operand 4705 states and 5406 transitions. [2023-11-19 04:03:07,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 04:03:07,579 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:07,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:07,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:07,829 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 04:03:08,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:08,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5407 states to 4706 states and 5407 transitions. [2023-11-19 04:03:08,117 INFO L276 IsEmpty]: Start isEmpty. Operand 4706 states and 5407 transitions. [2023-11-19 04:03:08,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 04:03:08,118 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:08,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:08,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:08,817 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 04:03:09,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:09,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5392 states to 4699 states and 5392 transitions. [2023-11-19 04:03:09,521 INFO L276 IsEmpty]: Start isEmpty. Operand 4699 states and 5392 transitions. [2023-11-19 04:03:09,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 04:03:09,522 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:09,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:09,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:09,868 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 04:03:10,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:10,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5394 states to 4701 states and 5394 transitions. [2023-11-19 04:03:10,375 INFO L276 IsEmpty]: Start isEmpty. Operand 4701 states and 5394 transitions. [2023-11-19 04:03:10,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 04:03:10,376 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:10,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:10,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:11,132 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 04:03:13,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:13,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5393 states to 4700 states and 5393 transitions. [2023-11-19 04:03:13,781 INFO L276 IsEmpty]: Start isEmpty. Operand 4700 states and 5393 transitions. [2023-11-19 04:03:13,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 04:03:13,782 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:13,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:13,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:14,123 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 04:03:14,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:14,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5395 states to 4702 states and 5395 transitions. [2023-11-19 04:03:14,819 INFO L276 IsEmpty]: Start isEmpty. Operand 4702 states and 5395 transitions. [2023-11-19 04:03:14,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 04:03:14,820 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:14,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:14,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:15,186 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 04:03:15,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:15,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5397 states to 4704 states and 5397 transitions. [2023-11-19 04:03:15,892 INFO L276 IsEmpty]: Start isEmpty. Operand 4704 states and 5397 transitions. [2023-11-19 04:03:15,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 04:03:15,895 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:15,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:15,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:16,317 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 04:03:17,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:17,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5399 states to 4706 states and 5399 transitions. [2023-11-19 04:03:17,095 INFO L276 IsEmpty]: Start isEmpty. Operand 4706 states and 5399 transitions. [2023-11-19 04:03:17,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 04:03:17,097 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:17,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:17,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:17,542 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 04:03:18,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:18,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5401 states to 4708 states and 5401 transitions. [2023-11-19 04:03:18,362 INFO L276 IsEmpty]: Start isEmpty. Operand 4708 states and 5401 transitions. [2023-11-19 04:03:18,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 04:03:18,363 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:18,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:18,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:18,869 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 04:03:19,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:03:19,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5402 states to 4710 states and 5402 transitions. [2023-11-19 04:03:19,416 INFO L276 IsEmpty]: Start isEmpty. Operand 4710 states and 5402 transitions. [2023-11-19 04:03:19,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 04:03:19,417 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:03:19,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:03:19,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:03:20,085 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked.