./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/head-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ee9825a-314e-4397-8278-5ad61183605a/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ee9825a-314e-4397-8278-5ad61183605a/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_0ee9825a-314e-4397-8278-5ad61183605a/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ee9825a-314e-4397-8278-5ad61183605a/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/head-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ee9825a-314e-4397-8278-5ad61183605a/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_0ee9825a-314e-4397-8278-5ad61183605a/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 e7c6e6d6b508cc7e8b4b8b024471ff0eb17f579c7977a910bbe95623e5bb1a4e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:09:19,201 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:09:19,305 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ee9825a-314e-4397-8278-5ad61183605a/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf [2023-11-19 03:09:19,311 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:09:19,312 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:09:19,354 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:09:19,360 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:09:19,361 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:09:19,362 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:09:19,368 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:09:19,369 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:09:19,369 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 03:09:19,370 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 03:09:19,372 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 03:09:19,372 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:09:19,373 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:09:19,373 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:09:19,374 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:09:19,374 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:09:19,375 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:09:19,376 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:09:19,377 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:09:19,377 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:09:19,378 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:09:19,378 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:09:19,378 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:09:19,379 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_0ee9825a-314e-4397-8278-5ad61183605a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ee9825a-314e-4397-8278-5ad61183605a/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e7c6e6d6b508cc7e8b4b8b024471ff0eb17f579c7977a910bbe95623e5bb1a4e [2023-11-19 03:09:19,643 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:09:19,675 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:09:19,677 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:09:19,679 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:09:19,681 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:09:19,682 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ee9825a-314e-4397-8278-5ad61183605a/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/busybox-1.22.0/head-2.i [2023-11-19 03:09:22,853 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:09:23,385 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:09:23,386 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ee9825a-314e-4397-8278-5ad61183605a/sv-benchmarks/c/busybox-1.22.0/head-2.i [2023-11-19 03:09:23,419 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ee9825a-314e-4397-8278-5ad61183605a/bin/ukojak-verify-G8NBE6pJGL/data/c5b32ad49/f741e25165c84c62b938024cb4973dbb/FLAG44133623f [2023-11-19 03:09:23,441 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ee9825a-314e-4397-8278-5ad61183605a/bin/ukojak-verify-G8NBE6pJGL/data/c5b32ad49/f741e25165c84c62b938024cb4973dbb [2023-11-19 03:09:23,446 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:09:23,448 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:09:23,452 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:09:23,453 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:09:23,458 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:09:23,459 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:09:23" (1/1) ... [2023-11-19 03:09:23,461 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e5be092 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:23, skipping insertion in model container [2023-11-19 03:09:23,461 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:09:23" (1/1) ... [2023-11-19 03:09:23,572 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:09:25,105 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:09:25,139 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:09:25,295 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:09:25,655 WARN L675 CHandler]: The function fflush is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:09:25,656 WARN L675 CHandler]: The function strtoull is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:09:25,656 WARN L675 CHandler]: The function strerror is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:09:25,657 WARN L675 CHandler]: The function fopen is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:09:25,657 WARN L675 CHandler]: The function ferror is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:09:25,657 WARN L675 CHandler]: The function fclose is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:09:25,657 WARN L675 CHandler]: The function putchar is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:09:25,658 WARN L675 CHandler]: The function fputs is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:09:25,658 WARN L675 CHandler]: The function fgetc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:09:25,666 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:09:25,667 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:25 WrapperNode [2023-11-19 03:09:25,667 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:09:25,669 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:09:25,669 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:09:25,669 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:09:25,678 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:25" (1/1) ... [2023-11-19 03:09:25,742 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:25" (1/1) ... [2023-11-19 03:09:25,973 INFO L138 Inliner]: procedures = 581, calls = 371, calls flagged for inlining = 66, calls inlined = 234, statements flattened = 5640 [2023-11-19 03:09:25,973 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:09:25,974 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:09:25,974 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:09:25,975 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:09:25,984 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:25" (1/1) ... [2023-11-19 03:09:25,985 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:25" (1/1) ... [2023-11-19 03:09:26,018 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:25" (1/1) ... [2023-11-19 03:09:26,019 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:25" (1/1) ... [2023-11-19 03:09:26,204 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:25" (1/1) ... [2023-11-19 03:09:26,253 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:25" (1/1) ... [2023-11-19 03:09:26,275 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:25" (1/1) ... [2023-11-19 03:09:26,305 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:25" (1/1) ... [2023-11-19 03:09:26,344 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:09:26,346 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:09:26,346 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:09:26,346 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:09:26,347 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:25" (1/1) ... [2023-11-19 03:09:26,353 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:09:26,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ee9825a-314e-4397-8278-5ad61183605a/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:09:26,377 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ee9825a-314e-4397-8278-5ad61183605a/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:09:26,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ee9825a-314e-4397-8278-5ad61183605a/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:09:26,421 INFO L130 BoogieDeclarations]: Found specification of procedure putchar [2023-11-19 03:09:26,421 INFO L130 BoogieDeclarations]: Found specification of procedure strerror [2023-11-19 03:09:26,421 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:09:26,422 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 03:09:26,422 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc [2023-11-19 03:09:26,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 03:09:26,422 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:09:26,423 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:09:26,423 INFO L130 BoogieDeclarations]: Found specification of procedure fputs [2023-11-19 03:09:26,423 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2023-11-19 03:09:26,423 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:09:26,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 03:09:26,424 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:09:26,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:09:26,424 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 03:09:26,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 03:09:26,424 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2023-11-19 03:09:26,425 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:09:26,425 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 03:09:26,425 INFO L130 BoogieDeclarations]: Found specification of procedure ferror [2023-11-19 03:09:26,425 INFO L130 BoogieDeclarations]: Found specification of procedure fclose [2023-11-19 03:09:26,427 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2023-11-19 03:09:26,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:09:26,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:09:26,914 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:09:26,918 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:09:33,976 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:09:35,811 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:09:35,811 INFO L302 CfgBuilder]: Removed 110 assume(true) statements. [2023-11-19 03:09:35,833 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:09:35 BoogieIcfgContainer [2023-11-19 03:09:35,833 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:09:35,835 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:09:35,835 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:09:35,845 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:09:35,845 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:09:35" (1/1) ... [2023-11-19 03:09:35,855 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:09:35,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:35,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3526 states to 3062 states and 3526 transitions. [2023-11-19 03:09:35,973 INFO L276 IsEmpty]: Start isEmpty. Operand 3062 states and 3526 transitions. [2023-11-19 03:09:35,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-19 03:09:35,975 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:35,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:36,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:36,549 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 03:09:36,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:36,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3525 states to 3061 states and 3525 transitions. [2023-11-19 03:09:36,633 INFO L276 IsEmpty]: Start isEmpty. Operand 3061 states and 3525 transitions. [2023-11-19 03:09:36,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-19 03:09:36,633 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:36,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:36,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:36,956 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 03:09:37,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:37,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3524 states to 3060 states and 3524 transitions. [2023-11-19 03:09:37,094 INFO L276 IsEmpty]: Start isEmpty. Operand 3060 states and 3524 transitions. [2023-11-19 03:09:37,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:09:37,094 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:37,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:37,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:37,238 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 03:09:37,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:37,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3526 states to 3061 states and 3526 transitions. [2023-11-19 03:09:37,292 INFO L276 IsEmpty]: Start isEmpty. Operand 3061 states and 3526 transitions. [2023-11-19 03:09:37,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:09:37,297 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:37,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:37,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:37,416 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 03:09:37,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:37,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3528 states to 3062 states and 3528 transitions. [2023-11-19 03:09:37,539 INFO L276 IsEmpty]: Start isEmpty. Operand 3062 states and 3528 transitions. [2023-11-19 03:09:37,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:09:37,540 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:37,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:37,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:37,849 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 03:09:38,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:38,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3530 states to 3064 states and 3530 transitions. [2023-11-19 03:09:38,104 INFO L276 IsEmpty]: Start isEmpty. Operand 3064 states and 3530 transitions. [2023-11-19 03:09:38,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:09:38,105 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:38,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:38,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:38,268 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 03:09:38,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:38,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3533 states to 3065 states and 3533 transitions. [2023-11-19 03:09:38,353 INFO L276 IsEmpty]: Start isEmpty. Operand 3065 states and 3533 transitions. [2023-11-19 03:09:38,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:09:38,354 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:38,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:38,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:38,444 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 03:09:38,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:38,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3532 states to 3065 states and 3532 transitions. [2023-11-19 03:09:38,557 INFO L276 IsEmpty]: Start isEmpty. Operand 3065 states and 3532 transitions. [2023-11-19 03:09:38,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:09:38,557 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:38,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:38,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:38,824 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 03:09:39,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:39,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3536 states to 3067 states and 3536 transitions. [2023-11-19 03:09:39,372 INFO L276 IsEmpty]: Start isEmpty. Operand 3067 states and 3536 transitions. [2023-11-19 03:09:39,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:09:39,372 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:39,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:39,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:39,530 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 03:09:39,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:39,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3541 states to 3069 states and 3541 transitions. [2023-11-19 03:09:39,715 INFO L276 IsEmpty]: Start isEmpty. Operand 3069 states and 3541 transitions. [2023-11-19 03:09:39,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:09:39,716 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:39,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:39,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:39,806 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 03:09:39,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:39,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3540 states to 3069 states and 3540 transitions. [2023-11-19 03:09:39,955 INFO L276 IsEmpty]: Start isEmpty. Operand 3069 states and 3540 transitions. [2023-11-19 03:09:39,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:09:39,955 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:39,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:39,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:40,394 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:09:41,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:41,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3545 states to 3073 states and 3545 transitions. [2023-11-19 03:09:41,197 INFO L276 IsEmpty]: Start isEmpty. Operand 3073 states and 3545 transitions. [2023-11-19 03:09:41,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:09:41,197 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:41,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:41,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:41,483 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 03:09:41,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:41,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3552 states to 3075 states and 3552 transitions. [2023-11-19 03:09:41,765 INFO L276 IsEmpty]: Start isEmpty. Operand 3075 states and 3552 transitions. [2023-11-19 03:09:41,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:09:41,766 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:41,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:41,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:41,853 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 03:09:42,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:42,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3551 states to 3075 states and 3551 transitions. [2023-11-19 03:09:42,066 INFO L276 IsEmpty]: Start isEmpty. Operand 3075 states and 3551 transitions. [2023-11-19 03:09:42,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:09:42,067 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:42,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:42,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:42,485 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 03:09:42,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:42,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3551 states to 3076 states and 3551 transitions. [2023-11-19 03:09:42,811 INFO L276 IsEmpty]: Start isEmpty. Operand 3076 states and 3551 transitions. [2023-11-19 03:09:42,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:09:42,812 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:42,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:42,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:42,998 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 03:09:43,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:43,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3558 states to 3078 states and 3558 transitions. [2023-11-19 03:09:43,359 INFO L276 IsEmpty]: Start isEmpty. Operand 3078 states and 3558 transitions. [2023-11-19 03:09:43,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:09:43,364 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:43,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:43,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:43,895 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 03:09:44,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:44,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3559 states to 3079 states and 3559 transitions. [2023-11-19 03:09:44,301 INFO L276 IsEmpty]: Start isEmpty. Operand 3079 states and 3559 transitions. [2023-11-19 03:09:44,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:09:44,307 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:44,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:44,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:44,427 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 03:09:44,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:44,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3558 states to 3079 states and 3558 transitions. [2023-11-19 03:09:44,651 INFO L276 IsEmpty]: Start isEmpty. Operand 3079 states and 3558 transitions. [2023-11-19 03:09:44,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:09:44,652 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:44,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:44,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:45,321 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 03:09:48,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:48,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3568 states to 3082 states and 3568 transitions. [2023-11-19 03:09:48,115 INFO L276 IsEmpty]: Start isEmpty. Operand 3082 states and 3568 transitions. [2023-11-19 03:09:48,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:09:48,116 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:48,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:48,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:48,382 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 03:09:49,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:49,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3575 states to 3084 states and 3575 transitions. [2023-11-19 03:09:49,024 INFO L276 IsEmpty]: Start isEmpty. Operand 3084 states and 3575 transitions. [2023-11-19 03:09:49,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:09:49,025 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:49,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:49,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:49,550 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 03:09:50,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:50,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3576 states to 3085 states and 3576 transitions. [2023-11-19 03:09:50,071 INFO L276 IsEmpty]: Start isEmpty. Operand 3085 states and 3576 transitions. [2023-11-19 03:09:50,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:09:50,072 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:50,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:50,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:50,162 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 03:09:50,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:50,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3575 states to 3085 states and 3575 transitions. [2023-11-19 03:09:50,547 INFO L276 IsEmpty]: Start isEmpty. Operand 3085 states and 3575 transitions. [2023-11-19 03:09:50,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:09:50,549 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:50,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:50,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:50,828 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 03:09:51,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:51,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3582 states to 3087 states and 3582 transitions. [2023-11-19 03:09:51,435 INFO L276 IsEmpty]: Start isEmpty. Operand 3087 states and 3582 transitions. [2023-11-19 03:09:51,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:09:51,436 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:51,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:51,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:51,530 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 03:09:51,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:51,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3581 states to 3087 states and 3581 transitions. [2023-11-19 03:09:51,889 INFO L276 IsEmpty]: Start isEmpty. Operand 3087 states and 3581 transitions. [2023-11-19 03:09:51,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:09:51,890 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:51,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:51,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:52,783 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:09:54,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:54,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3587 states to 3089 states and 3587 transitions. [2023-11-19 03:09:54,306 INFO L276 IsEmpty]: Start isEmpty. Operand 3089 states and 3587 transitions. [2023-11-19 03:09:54,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:09:54,307 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:54,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:54,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:54,620 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 03:09:55,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:55,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3598 states to 3091 states and 3598 transitions. [2023-11-19 03:09:55,506 INFO L276 IsEmpty]: Start isEmpty. Operand 3091 states and 3598 transitions. [2023-11-19 03:09:55,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:09:55,507 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:55,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:55,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:55,626 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 03:09:55,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:55,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3597 states to 3091 states and 3597 transitions. [2023-11-19 03:09:55,958 INFO L276 IsEmpty]: Start isEmpty. Operand 3091 states and 3597 transitions. [2023-11-19 03:09:55,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:09:55,959 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:55,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:55,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:56,168 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 03:09:56,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:56,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3606 states to 3093 states and 3606 transitions. [2023-11-19 03:09:56,997 INFO L276 IsEmpty]: Start isEmpty. Operand 3093 states and 3606 transitions. [2023-11-19 03:09:56,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:09:56,998 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:56,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:57,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:57,808 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 42 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:09:58,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:58,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3606 states to 3094 states and 3606 transitions. [2023-11-19 03:09:58,674 INFO L276 IsEmpty]: Start isEmpty. Operand 3094 states and 3606 transitions. [2023-11-19 03:09:58,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:09:58,675 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:58,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:58,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:58,885 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 03:09:59,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:59,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3606 states to 3095 states and 3606 transitions. [2023-11-19 03:09:59,175 INFO L276 IsEmpty]: Start isEmpty. Operand 3095 states and 3606 transitions. [2023-11-19 03:09:59,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:09:59,175 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:59,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:59,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:59,560 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 42 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:10:00,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:00,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3606 states to 3096 states and 3606 transitions. [2023-11-19 03:10:00,031 INFO L276 IsEmpty]: Start isEmpty. Operand 3096 states and 3606 transitions. [2023-11-19 03:10:00,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:10:00,032 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:00,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:00,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:00,444 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 03:10:01,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:01,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3615 states to 3098 states and 3615 transitions. [2023-11-19 03:10:01,222 INFO L276 IsEmpty]: Start isEmpty. Operand 3098 states and 3615 transitions. [2023-11-19 03:10:01,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:10:01,223 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:01,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:01,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:01,853 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 03:10:02,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:02,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3616 states to 3099 states and 3616 transitions. [2023-11-19 03:10:02,563 INFO L276 IsEmpty]: Start isEmpty. Operand 3099 states and 3616 transitions. [2023-11-19 03:10:02,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:10:02,567 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:02,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:02,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:02,674 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 03:10:03,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:03,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3615 states to 3099 states and 3615 transitions. [2023-11-19 03:10:03,085 INFO L276 IsEmpty]: Start isEmpty. Operand 3099 states and 3615 transitions. [2023-11-19 03:10:03,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:10:03,085 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:03,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:03,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:10:03,416 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 03:10:04,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:10:04,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3619 states to 3101 states and 3619 transitions. [2023-11-19 03:10:04,183 INFO L276 IsEmpty]: Start isEmpty. Operand 3101 states and 3619 transitions. [2023-11-19 03:10:04,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:10:04,183 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:10:04,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:10:04,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat