./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/echo-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bdffede-60c8-4544-ac07-cf9c918651b9/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bdffede-60c8-4544-ac07-cf9c918651b9/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_3bdffede-60c8-4544-ac07-cf9c918651b9/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bdffede-60c8-4544-ac07-cf9c918651b9/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/echo-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bdffede-60c8-4544-ac07-cf9c918651b9/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_3bdffede-60c8-4544-ac07-cf9c918651b9/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 24c3343366bdbf4dd89f66ad3070a02eea0c95edcbe495c88adf06ab42a9e64f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:02:27,441 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:02:27,559 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bdffede-60c8-4544-ac07-cf9c918651b9/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf [2023-11-19 03:02:27,564 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:02:27,564 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:02:27,601 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:02:27,604 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:02:27,605 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:02:27,606 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:02:27,611 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:02:27,612 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:02:27,613 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 03:02:27,613 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 03:02:27,615 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 03:02:27,615 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:02:27,616 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:02:27,616 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:02:27,616 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:02:27,617 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:02:27,617 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:02:27,618 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:02:27,619 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:02:27,619 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:02:27,620 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:02:27,620 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:02:27,621 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:02:27,621 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_3bdffede-60c8-4544-ac07-cf9c918651b9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bdffede-60c8-4544-ac07-cf9c918651b9/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 24c3343366bdbf4dd89f66ad3070a02eea0c95edcbe495c88adf06ab42a9e64f [2023-11-19 03:02:27,912 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:02:27,948 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:02:27,950 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:02:27,952 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:02:27,953 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:02:27,954 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bdffede-60c8-4544-ac07-cf9c918651b9/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/busybox-1.22.0/echo-1.i [2023-11-19 03:02:31,041 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:02:31,524 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:02:31,525 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bdffede-60c8-4544-ac07-cf9c918651b9/sv-benchmarks/c/busybox-1.22.0/echo-1.i [2023-11-19 03:02:31,563 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bdffede-60c8-4544-ac07-cf9c918651b9/bin/ukojak-verify-G8NBE6pJGL/data/d3b548235/f583918d19ea47d5b3b39cd2529b61be/FLAG4327e73c1 [2023-11-19 03:02:31,586 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bdffede-60c8-4544-ac07-cf9c918651b9/bin/ukojak-verify-G8NBE6pJGL/data/d3b548235/f583918d19ea47d5b3b39cd2529b61be [2023-11-19 03:02:31,592 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:02:31,594 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:02:31,595 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:02:31,598 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:02:31,602 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:02:31,603 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:02:31" (1/1) ... [2023-11-19 03:02:31,604 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d6ffb7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:31, skipping insertion in model container [2023-11-19 03:02:31,604 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:02:31" (1/1) ... [2023-11-19 03:02:31,698 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:02:33,221 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:02:33,247 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:02:33,393 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:02:33,634 WARN L675 CHandler]: The function fflush is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:02:33,635 WARN L675 CHandler]: The function strerror is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:02:33,641 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:02:33,641 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:33 WrapperNode [2023-11-19 03:02:33,641 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:02:33,642 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:02:33,642 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:02:33,643 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:02:33,648 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:33" (1/1) ... [2023-11-19 03:02:33,705 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:33" (1/1) ... [2023-11-19 03:02:33,782 INFO L138 Inliner]: procedures = 599, calls = 218, calls flagged for inlining = 32, calls inlined = 43, statements flattened = 1262 [2023-11-19 03:02:33,782 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:02:33,783 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:02:33,783 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:02:33,783 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:02:33,794 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:33" (1/1) ... [2023-11-19 03:02:33,794 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:33" (1/1) ... [2023-11-19 03:02:33,818 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:33" (1/1) ... [2023-11-19 03:02:33,818 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:33" (1/1) ... [2023-11-19 03:02:33,896 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:33" (1/1) ... [2023-11-19 03:02:33,929 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:33" (1/1) ... [2023-11-19 03:02:33,939 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:33" (1/1) ... [2023-11-19 03:02:34,019 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:33" (1/1) ... [2023-11-19 03:02:34,035 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:02:34,036 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:02:34,036 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:02:34,036 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:02:34,042 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:33" (1/1) ... [2023-11-19 03:02:34,048 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:02:34,061 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bdffede-60c8-4544-ac07-cf9c918651b9/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:02:34,108 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bdffede-60c8-4544-ac07-cf9c918651b9/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:02:34,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bdffede-60c8-4544-ac07-cf9c918651b9/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:02:34,162 INFO L130 BoogieDeclarations]: Found specification of procedure strerror [2023-11-19 03:02:34,163 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:02:34,163 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 03:02:34,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 03:02:34,163 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:02:34,164 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:02:34,165 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2023-11-19 03:02:34,165 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:02:34,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 03:02:34,165 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:02:34,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:02:34,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 03:02:34,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 03:02:34,167 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:02:34,167 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 03:02:34,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 03:02:34,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:02:34,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:02:34,605 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:02:34,607 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:02:36,406 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:02:36,750 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:02:36,750 INFO L302 CfgBuilder]: Removed 30 assume(true) statements. [2023-11-19 03:02:36,768 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:02:36 BoogieIcfgContainer [2023-11-19 03:02:36,768 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:02:36,770 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:02:36,770 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:02:36,780 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:02:36,781 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:02:36" (1/1) ... [2023-11-19 03:02:36,797 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:02:36,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:36,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 774 states to 668 states and 774 transitions. [2023-11-19 03:02:36,880 INFO L276 IsEmpty]: Start isEmpty. Operand 668 states and 774 transitions. [2023-11-19 03:02:36,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-19 03:02:36,882 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:36,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:37,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:37,408 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 03:02:37,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:37,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 773 states to 667 states and 773 transitions. [2023-11-19 03:02:37,459 INFO L276 IsEmpty]: Start isEmpty. Operand 667 states and 773 transitions. [2023-11-19 03:02:37,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-19 03:02:37,459 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:37,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:37,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:37,652 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 03:02:37,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:37,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 772 states to 666 states and 772 transitions. [2023-11-19 03:02:37,750 INFO L276 IsEmpty]: Start isEmpty. Operand 666 states and 772 transitions. [2023-11-19 03:02:37,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:02:37,750 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:37,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:37,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:37,887 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 03:02:37,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:37,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 774 states to 667 states and 774 transitions. [2023-11-19 03:02:37,926 INFO L276 IsEmpty]: Start isEmpty. Operand 667 states and 774 transitions. [2023-11-19 03:02:37,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:02:37,931 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:37,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:37,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:38,031 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 03:02:38,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:38,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 776 states to 668 states and 776 transitions. [2023-11-19 03:02:38,115 INFO L276 IsEmpty]: Start isEmpty. Operand 668 states and 776 transitions. [2023-11-19 03:02:38,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:02:38,115 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:38,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:38,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:38,399 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 03:02:38,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:38,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 778 states to 670 states and 778 transitions. [2023-11-19 03:02:38,778 INFO L276 IsEmpty]: Start isEmpty. Operand 670 states and 778 transitions. [2023-11-19 03:02:38,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:02:38,779 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:38,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:38,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:38,914 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 03:02:38,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:38,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 781 states to 671 states and 781 transitions. [2023-11-19 03:02:38,995 INFO L276 IsEmpty]: Start isEmpty. Operand 671 states and 781 transitions. [2023-11-19 03:02:38,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:02:38,996 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:38,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:39,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:39,078 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 03:02:39,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:39,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 780 states to 671 states and 780 transitions. [2023-11-19 03:02:39,193 INFO L276 IsEmpty]: Start isEmpty. Operand 671 states and 780 transitions. [2023-11-19 03:02:39,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:02:39,193 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:39,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:39,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:39,483 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:02:39,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:39,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 783 states to 673 states and 783 transitions. [2023-11-19 03:02:39,892 INFO L276 IsEmpty]: Start isEmpty. Operand 673 states and 783 transitions. [2023-11-19 03:02:39,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:02:39,893 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:39,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:39,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:40,089 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 03:02:40,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:40,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 788 states to 675 states and 788 transitions. [2023-11-19 03:02:40,303 INFO L276 IsEmpty]: Start isEmpty. Operand 675 states and 788 transitions. [2023-11-19 03:02:40,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:02:40,303 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:40,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:40,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:40,411 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 03:02:40,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:40,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 787 states to 675 states and 787 transitions. [2023-11-19 03:02:40,545 INFO L276 IsEmpty]: Start isEmpty. Operand 675 states and 787 transitions. [2023-11-19 03:02:40,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:02:40,546 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:40,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:40,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:40,868 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 03:02:41,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:41,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 787 states to 676 states and 787 transitions. [2023-11-19 03:02:41,143 INFO L276 IsEmpty]: Start isEmpty. Operand 676 states and 787 transitions. [2023-11-19 03:02:41,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:02:41,144 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:41,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:41,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:41,357 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 03:02:41,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:41,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 792 states to 678 states and 792 transitions. [2023-11-19 03:02:41,599 INFO L276 IsEmpty]: Start isEmpty. Operand 678 states and 792 transitions. [2023-11-19 03:02:41,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:02:41,599 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:41,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:41,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:41,693 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 03:02:41,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:41,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 791 states to 678 states and 791 transitions. [2023-11-19 03:02:41,840 INFO L276 IsEmpty]: Start isEmpty. Operand 678 states and 791 transitions. [2023-11-19 03:02:41,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:02:41,840 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:41,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:41,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:42,199 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 03:02:42,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:42,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 791 states to 679 states and 791 transitions. [2023-11-19 03:02:42,547 INFO L276 IsEmpty]: Start isEmpty. Operand 679 states and 791 transitions. [2023-11-19 03:02:42,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:02:42,548 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:42,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:42,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:42,792 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 03:02:43,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:43,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 796 states to 681 states and 796 transitions. [2023-11-19 03:02:43,041 INFO L276 IsEmpty]: Start isEmpty. Operand 681 states and 796 transitions. [2023-11-19 03:02:43,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:02:43,042 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:43,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:43,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:43,134 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 03:02:43,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:43,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 795 states to 681 states and 795 transitions. [2023-11-19 03:02:43,285 INFO L276 IsEmpty]: Start isEmpty. Operand 681 states and 795 transitions. [2023-11-19 03:02:43,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:02:43,286 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:43,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:43,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:43,736 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 03:02:44,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:44,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 795 states to 682 states and 795 transitions. [2023-11-19 03:02:44,083 INFO L276 IsEmpty]: Start isEmpty. Operand 682 states and 795 transitions. [2023-11-19 03:02:44,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:02:44,085 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:44,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:44,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:44,402 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 03:02:44,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:44,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 800 states to 684 states and 800 transitions. [2023-11-19 03:02:44,668 INFO L276 IsEmpty]: Start isEmpty. Operand 684 states and 800 transitions. [2023-11-19 03:02:44,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:02:44,668 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:44,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:44,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:44,766 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 03:02:44,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:44,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 799 states to 684 states and 799 transitions. [2023-11-19 03:02:44,961 INFO L276 IsEmpty]: Start isEmpty. Operand 684 states and 799 transitions. [2023-11-19 03:02:44,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:02:44,961 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:44,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:44,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:45,680 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:02:46,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:46,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 803 states to 686 states and 803 transitions. [2023-11-19 03:02:46,745 INFO L276 IsEmpty]: Start isEmpty. Operand 686 states and 803 transitions. [2023-11-19 03:02:46,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:02:46,747 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:46,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:46,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:46,990 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 03:02:47,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:47,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 810 states to 688 states and 810 transitions. [2023-11-19 03:02:47,405 INFO L276 IsEmpty]: Start isEmpty. Operand 688 states and 810 transitions. [2023-11-19 03:02:47,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:02:47,406 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:47,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:47,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:47,501 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 03:02:47,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:47,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 809 states to 688 states and 809 transitions. [2023-11-19 03:02:47,713 INFO L276 IsEmpty]: Start isEmpty. Operand 688 states and 809 transitions. [2023-11-19 03:02:47,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:02:47,714 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:47,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:47,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:48,354 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 30 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:02:49,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:49,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 809 states to 690 states and 809 transitions. [2023-11-19 03:02:49,109 INFO L276 IsEmpty]: Start isEmpty. Operand 690 states and 809 transitions. [2023-11-19 03:02:49,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:02:49,110 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:49,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:49,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:49,422 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 03:02:49,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:49,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 816 states to 692 states and 816 transitions. [2023-11-19 03:02:49,782 INFO L276 IsEmpty]: Start isEmpty. Operand 692 states and 816 transitions. [2023-11-19 03:02:49,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:02:49,783 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:49,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:49,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:49,872 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 03:02:50,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:50,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 815 states to 692 states and 815 transitions. [2023-11-19 03:02:50,120 INFO L276 IsEmpty]: Start isEmpty. Operand 692 states and 815 transitions. [2023-11-19 03:02:50,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:02:50,120 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:50,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:50,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:50,612 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 03:02:51,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:51,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 815 states to 693 states and 815 transitions. [2023-11-19 03:02:51,125 INFO L276 IsEmpty]: Start isEmpty. Operand 693 states and 815 transitions. [2023-11-19 03:02:51,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:02:51,127 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:51,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:51,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:51,423 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 03:02:51,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:51,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 822 states to 695 states and 822 transitions. [2023-11-19 03:02:51,815 INFO L276 IsEmpty]: Start isEmpty. Operand 695 states and 822 transitions. [2023-11-19 03:02:51,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:02:51,815 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:51,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:51,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:51,917 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 03:02:52,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:52,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 821 states to 695 states and 821 transitions. [2023-11-19 03:02:52,164 INFO L276 IsEmpty]: Start isEmpty. Operand 695 states and 821 transitions. [2023-11-19 03:02:52,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:02:52,165 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:52,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:52,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:52,718 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 03:02:53,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:53,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 821 states to 696 states and 821 transitions. [2023-11-19 03:02:53,244 INFO L276 IsEmpty]: Start isEmpty. Operand 696 states and 821 transitions. [2023-11-19 03:02:53,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:02:53,245 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:53,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:53,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:53,619 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 03:02:54,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:54,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 824 states to 698 states and 824 transitions. [2023-11-19 03:02:54,068 INFO L276 IsEmpty]: Start isEmpty. Operand 698 states and 824 transitions. [2023-11-19 03:02:54,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:02:54,069 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:54,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:54,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:54,176 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2023-11-19 03:02:54,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:54,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 821 states to 696 states and 821 transitions. [2023-11-19 03:02:54,426 INFO L276 IsEmpty]: Start isEmpty. Operand 696 states and 821 transitions. [2023-11-19 03:02:54,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:02:54,427 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:54,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:54,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:55,074 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 72 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:02:55,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:55,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 788 states to 683 states and 788 transitions. [2023-11-19 03:02:55,479 INFO L276 IsEmpty]: Start isEmpty. Operand 683 states and 788 transitions. [2023-11-19 03:02:55,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 03:02:55,480 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:55,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:55,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:56,092 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-11-19 03:02:59,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:59,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 787 states to 682 states and 787 transitions. [2023-11-19 03:02:59,989 INFO L276 IsEmpty]: Start isEmpty. Operand 682 states and 787 transitions. [2023-11-19 03:02:59,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 03:02:59,989 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:59,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:00,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:00,542 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-11-19 03:03:05,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:05,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 786 states to 681 states and 786 transitions. [2023-11-19 03:03:05,788 INFO L276 IsEmpty]: Start isEmpty. Operand 681 states and 786 transitions. [2023-11-19 03:03:05,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 03:03:05,789 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:05,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:05,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:06,250 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-11-19 03:03:06,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:06,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 785 states to 680 states and 785 transitions. [2023-11-19 03:03:06,480 INFO L276 IsEmpty]: Start isEmpty. Operand 680 states and 785 transitions. [2023-11-19 03:03:06,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 03:03:06,480 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:06,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:06,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:07,218 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-11-19 03:03:08,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:08,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 784 states to 679 states and 784 transitions. [2023-11-19 03:03:08,472 INFO L276 IsEmpty]: Start isEmpty. Operand 679 states and 784 transitions. [2023-11-19 03:03:08,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 03:03:08,472 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:08,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:08,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:08,665 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-11-19 03:03:08,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:08,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 681 states and 789 transitions. [2023-11-19 03:03:08,704 INFO L276 IsEmpty]: Start isEmpty. Operand 681 states and 789 transitions. [2023-11-19 03:03:08,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 03:03:08,704 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:08,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:08,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:09,722 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-11-19 03:03:10,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:10,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 793 states to 683 states and 793 transitions. [2023-11-19 03:03:10,752 INFO L276 IsEmpty]: Start isEmpty. Operand 683 states and 793 transitions. [2023-11-19 03:03:10,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 03:03:10,753 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:10,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:10,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:11,260 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-11-19 03:03:12,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:12,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 793 states to 684 states and 793 transitions. [2023-11-19 03:03:12,365 INFO L276 IsEmpty]: Start isEmpty. Operand 684 states and 793 transitions. [2023-11-19 03:03:12,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 03:03:12,366 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:12,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:12,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:12,478 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-11-19 03:03:12,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:12,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 792 states to 683 states and 792 transitions. [2023-11-19 03:03:12,530 INFO L276 IsEmpty]: Start isEmpty. Operand 683 states and 792 transitions. [2023-11-19 03:03:12,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 03:03:12,530 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:12,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:12,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:13,314 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-11-19 03:03:14,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:14,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 794 states to 684 states and 794 transitions. [2023-11-19 03:03:14,613 INFO L276 IsEmpty]: Start isEmpty. Operand 684 states and 794 transitions. [2023-11-19 03:03:14,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 03:03:14,613 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:14,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms