./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/cut-3.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48392ee-d714-47fb-9941-b70d4e9f7bf7/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48392ee-d714-47fb-9941-b70d4e9f7bf7/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_b48392ee-d714-47fb-9941-b70d4e9f7bf7/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48392ee-d714-47fb-9941-b70d4e9f7bf7/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/cut-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48392ee-d714-47fb-9941-b70d4e9f7bf7/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_b48392ee-d714-47fb-9941-b70d4e9f7bf7/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 acfe637d8173d077e02b78ce91ba4a7c6687b6a4bde786279a65675146edec40 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:40:53,721 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:40:53,871 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48392ee-d714-47fb-9941-b70d4e9f7bf7/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf [2023-11-19 03:40:53,884 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:40:53,887 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:40:53,935 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:40:53,938 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:40:53,939 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:40:53,940 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:40:53,946 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:40:53,948 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:40:53,948 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 03:40:53,949 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 03:40:53,951 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 03:40:53,952 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:40:53,952 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:40:53,953 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:40:53,953 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:40:53,954 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:40:53,954 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:40:53,956 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:40:53,956 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:40:53,957 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:40:53,958 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:40:53,958 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:40:53,959 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:40:53,959 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_b48392ee-d714-47fb-9941-b70d4e9f7bf7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48392ee-d714-47fb-9941-b70d4e9f7bf7/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> acfe637d8173d077e02b78ce91ba4a7c6687b6a4bde786279a65675146edec40 [2023-11-19 03:40:54,258 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:40:54,298 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:40:54,301 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:40:54,303 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:40:54,303 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:40:54,305 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48392ee-d714-47fb-9941-b70d4e9f7bf7/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/busybox-1.22.0/cut-3.i [2023-11-19 03:40:57,803 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:40:58,478 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:40:58,480 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48392ee-d714-47fb-9941-b70d4e9f7bf7/sv-benchmarks/c/busybox-1.22.0/cut-3.i [2023-11-19 03:40:58,525 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48392ee-d714-47fb-9941-b70d4e9f7bf7/bin/ukojak-verify-G8NBE6pJGL/data/f9e4bfb00/99587f79f2d54e469dcf9d3bc1dbd75d/FLAG56dd2709b [2023-11-19 03:40:58,544 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48392ee-d714-47fb-9941-b70d4e9f7bf7/bin/ukojak-verify-G8NBE6pJGL/data/f9e4bfb00/99587f79f2d54e469dcf9d3bc1dbd75d [2023-11-19 03:40:58,552 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:40:58,554 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:40:58,556 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:40:58,556 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:40:58,562 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:40:58,563 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:40:58" (1/1) ... [2023-11-19 03:40:58,565 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d7a443d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:58, skipping insertion in model container [2023-11-19 03:40:58,565 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:40:58" (1/1) ... [2023-11-19 03:40:58,686 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:41:00,804 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:41:00,861 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:41:01,145 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:41:01,313 WARN L675 CHandler]: The function fflush is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:41:01,360 WARN L675 CHandler]: The function strerror is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:41:01,360 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:41:01,360 WARN L675 CHandler]: The function fopen is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:41:01,361 WARN L675 CHandler]: The function ferror is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:41:01,361 WARN L675 CHandler]: The function fclose is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:41:01,361 WARN L675 CHandler]: The function putchar is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:41:01,361 WARN L675 CHandler]: The function strtoul is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:41:01,361 WARN L675 CHandler]: The function fputs is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:41:01,361 WARN L675 CHandler]: The function strtok is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:41:01,362 WARN L675 CHandler]: The function fgetc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:41:01,371 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:41:01,372 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:01 WrapperNode [2023-11-19 03:41:01,372 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:41:01,374 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:41:01,374 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:41:01,374 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:41:01,384 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:01" (1/1) ... [2023-11-19 03:41:01,476 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:01" (1/1) ... [2023-11-19 03:41:01,808 INFO L138 Inliner]: procedures = 581, calls = 575, calls flagged for inlining = 76, calls inlined = 355, statements flattened = 9463 [2023-11-19 03:41:01,809 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:41:01,810 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:41:01,810 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:41:01,810 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:41:01,822 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:01" (1/1) ... [2023-11-19 03:41:01,822 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:01" (1/1) ... [2023-11-19 03:41:01,898 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:01" (1/1) ... [2023-11-19 03:41:01,899 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:01" (1/1) ... [2023-11-19 03:41:02,234 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:01" (1/1) ... [2023-11-19 03:41:02,387 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:01" (1/1) ... [2023-11-19 03:41:02,423 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:01" (1/1) ... [2023-11-19 03:41:02,466 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:01" (1/1) ... [2023-11-19 03:41:02,526 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:41:02,527 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:41:02,527 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:41:02,527 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:41:02,528 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:01" (1/1) ... [2023-11-19 03:41:02,536 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:41:02,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48392ee-d714-47fb-9941-b70d4e9f7bf7/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:41:02,565 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48392ee-d714-47fb-9941-b70d4e9f7bf7/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:41:02,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b48392ee-d714-47fb-9941-b70d4e9f7bf7/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:41:02,624 INFO L130 BoogieDeclarations]: Found specification of procedure putchar [2023-11-19 03:41:02,624 INFO L130 BoogieDeclarations]: Found specification of procedure strerror [2023-11-19 03:41:02,625 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:41:02,625 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 03:41:02,625 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc [2023-11-19 03:41:02,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 03:41:02,626 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:41:02,626 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:41:02,626 INFO L130 BoogieDeclarations]: Found specification of procedure fputs [2023-11-19 03:41:02,626 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2023-11-19 03:41:02,626 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:41:02,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 03:41:02,627 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:41:02,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:41:02,627 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 03:41:02,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 03:41:02,628 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2023-11-19 03:41:02,628 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:41:02,628 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 03:41:02,628 INFO L130 BoogieDeclarations]: Found specification of procedure ferror [2023-11-19 03:41:02,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 03:41:02,629 INFO L130 BoogieDeclarations]: Found specification of procedure fclose [2023-11-19 03:41:02,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:41:02,629 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-11-19 03:41:02,630 INFO L130 BoogieDeclarations]: Found specification of procedure strtok [2023-11-19 03:41:02,630 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2023-11-19 03:41:02,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:41:03,350 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:41:03,354 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:41:17,174 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:41:21,181 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:41:21,182 INFO L302 CfgBuilder]: Removed 185 assume(true) statements. [2023-11-19 03:41:21,220 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:41:21 BoogieIcfgContainer [2023-11-19 03:41:21,220 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:41:21,223 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:41:21,224 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:41:21,236 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:41:21,237 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:41:21" (1/1) ... [2023-11-19 03:41:21,249 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:41:21,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:21,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6115 states to 5321 states and 6115 transitions. [2023-11-19 03:41:21,434 INFO L276 IsEmpty]: Start isEmpty. Operand 5321 states and 6115 transitions. [2023-11-19 03:41:21,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-19 03:41:21,437 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:41:21,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:41:21,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:22,142 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 03:41:22,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:22,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6114 states to 5320 states and 6114 transitions. [2023-11-19 03:41:22,295 INFO L276 IsEmpty]: Start isEmpty. Operand 5320 states and 6114 transitions. [2023-11-19 03:41:22,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-19 03:41:22,296 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:41:22,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:41:22,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:22,533 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 03:41:22,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:22,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6113 states to 5319 states and 6113 transitions. [2023-11-19 03:41:22,684 INFO L276 IsEmpty]: Start isEmpty. Operand 5319 states and 6113 transitions. [2023-11-19 03:41:22,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:41:22,684 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:41:22,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:41:22,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:22,796 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 03:41:22,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:22,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6115 states to 5320 states and 6115 transitions. [2023-11-19 03:41:22,860 INFO L276 IsEmpty]: Start isEmpty. Operand 5320 states and 6115 transitions. [2023-11-19 03:41:22,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:41:22,862 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:41:22,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:41:22,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:22,949 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 03:41:23,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:23,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6117 states to 5321 states and 6117 transitions. [2023-11-19 03:41:23,059 INFO L276 IsEmpty]: Start isEmpty. Operand 5321 states and 6117 transitions. [2023-11-19 03:41:23,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:41:23,060 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:41:23,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:41:23,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:23,289 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 03:41:23,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:23,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6119 states to 5323 states and 6119 transitions. [2023-11-19 03:41:23,517 INFO L276 IsEmpty]: Start isEmpty. Operand 5323 states and 6119 transitions. [2023-11-19 03:41:23,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:41:23,518 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:41:23,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:41:23,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:23,710 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 03:41:23,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:23,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6122 states to 5324 states and 6122 transitions. [2023-11-19 03:41:23,821 INFO L276 IsEmpty]: Start isEmpty. Operand 5324 states and 6122 transitions. [2023-11-19 03:41:23,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:41:23,822 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:41:23,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:41:23,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:23,969 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 03:41:24,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:24,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6121 states to 5324 states and 6121 transitions. [2023-11-19 03:41:24,075 INFO L276 IsEmpty]: Start isEmpty. Operand 5324 states and 6121 transitions. [2023-11-19 03:41:24,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:41:24,075 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:41:24,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:41:24,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:24,363 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 03:41:24,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:24,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6125 states to 5326 states and 6125 transitions. [2023-11-19 03:41:24,815 INFO L276 IsEmpty]: Start isEmpty. Operand 5326 states and 6125 transitions. [2023-11-19 03:41:24,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:41:24,816 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:41:24,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:41:24,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:24,991 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 03:41:25,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:25,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6130 states to 5328 states and 6130 transitions. [2023-11-19 03:41:25,186 INFO L276 IsEmpty]: Start isEmpty. Operand 5328 states and 6130 transitions. [2023-11-19 03:41:25,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:41:25,186 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:41:25,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:41:25,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:25,280 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 03:41:25,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:25,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6129 states to 5328 states and 6129 transitions. [2023-11-19 03:41:25,435 INFO L276 IsEmpty]: Start isEmpty. Operand 5328 states and 6129 transitions. [2023-11-19 03:41:25,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:41:25,436 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:41:25,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:41:25,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:25,746 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 03:41:26,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:26,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6132 states to 5330 states and 6132 transitions. [2023-11-19 03:41:26,381 INFO L276 IsEmpty]: Start isEmpty. Operand 5330 states and 6132 transitions. [2023-11-19 03:41:26,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:41:26,381 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:41:26,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:41:26,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:26,637 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 03:41:27,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:27,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6139 states to 5332 states and 6139 transitions. [2023-11-19 03:41:27,020 INFO L276 IsEmpty]: Start isEmpty. Operand 5332 states and 6139 transitions. [2023-11-19 03:41:27,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:41:27,021 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:41:27,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:41:27,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:27,281 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 03:41:27,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:27,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6138 states to 5332 states and 6138 transitions. [2023-11-19 03:41:27,491 INFO L276 IsEmpty]: Start isEmpty. Operand 5332 states and 6138 transitions. [2023-11-19 03:41:27,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:41:27,493 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:41:27,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:41:27,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:28,185 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 03:41:29,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:29,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6143 states to 5337 states and 6143 transitions. [2023-11-19 03:41:29,353 INFO L276 IsEmpty]: Start isEmpty. Operand 5337 states and 6143 transitions. [2023-11-19 03:41:29,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:41:29,353 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:41:29,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:41:29,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:29,509 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 03:41:29,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:29,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6143 states to 5338 states and 6143 transitions. [2023-11-19 03:41:29,684 INFO L276 IsEmpty]: Start isEmpty. Operand 5338 states and 6143 transitions. [2023-11-19 03:41:29,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:41:29,685 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:41:29,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:41:29,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:29,923 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 03:41:30,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:30,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6152 states to 5340 states and 6152 transitions. [2023-11-19 03:41:30,216 INFO L276 IsEmpty]: Start isEmpty. Operand 5340 states and 6152 transitions. [2023-11-19 03:41:30,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:41:30,217 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:41:30,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:41:30,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:30,314 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 03:41:30,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:30,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6151 states to 5340 states and 6151 transitions. [2023-11-19 03:41:30,500 INFO L276 IsEmpty]: Start isEmpty. Operand 5340 states and 6151 transitions. [2023-11-19 03:41:30,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:41:30,501 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:41:30,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:41:30,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:31,209 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 03:41:31,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:31,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6151 states to 5341 states and 6151 transitions. [2023-11-19 03:41:31,638 INFO L276 IsEmpty]: Start isEmpty. Operand 5341 states and 6151 transitions. [2023-11-19 03:41:31,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:41:31,639 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:41:31,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:41:31,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:32,283 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-19 03:41:35,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:35,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6163 states to 5344 states and 6163 transitions. [2023-11-19 03:41:35,103 INFO L276 IsEmpty]: Start isEmpty. Operand 5344 states and 6163 transitions. [2023-11-19 03:41:35,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:41:35,103 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:41:35,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:41:35,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:35,370 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 03:41:35,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:35,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6172 states to 5346 states and 6172 transitions. [2023-11-19 03:41:35,909 INFO L276 IsEmpty]: Start isEmpty. Operand 5346 states and 6172 transitions. [2023-11-19 03:41:35,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:41:35,911 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:41:35,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:41:35,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:36,493 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 20 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:41:37,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:37,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6173 states to 5347 states and 6173 transitions. [2023-11-19 03:41:37,060 INFO L276 IsEmpty]: Start isEmpty. Operand 5347 states and 6173 transitions. [2023-11-19 03:41:37,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:41:37,061 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:41:37,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:41:37,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:37,156 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 03:41:37,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:37,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6172 states to 5347 states and 6172 transitions. [2023-11-19 03:41:37,500 INFO L276 IsEmpty]: Start isEmpty. Operand 5347 states and 6172 transitions. [2023-11-19 03:41:37,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:41:37,501 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:41:37,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:41:37,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:37,770 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.