./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/basename-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_120497b4-d187-4446-ac3d-c2aedd0fd135/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_120497b4-d187-4446-ac3d-c2aedd0fd135/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_120497b4-d187-4446-ac3d-c2aedd0fd135/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_120497b4-d187-4446-ac3d-c2aedd0fd135/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/basename-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_120497b4-d187-4446-ac3d-c2aedd0fd135/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_120497b4-d187-4446-ac3d-c2aedd0fd135/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 551f956fc33a4b91d0a606a408c53a95b3cc64f8bde6794c363f5ce84e19f38f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:19:20,628 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:19:20,710 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_120497b4-d187-4446-ac3d-c2aedd0fd135/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf [2023-11-19 03:19:20,716 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:19:20,717 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:19:20,749 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:19:20,751 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:19:20,752 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:19:20,753 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:19:20,754 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:19:20,754 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:19:20,755 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 03:19:20,756 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 03:19:20,757 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 03:19:20,758 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:19:20,759 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:19:20,760 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:19:20,761 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:19:20,761 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:19:20,762 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:19:20,763 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:19:20,764 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:19:20,765 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:19:20,766 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:19:20,767 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:19:20,768 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:19:20,768 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_120497b4-d187-4446-ac3d-c2aedd0fd135/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_120497b4-d187-4446-ac3d-c2aedd0fd135/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 551f956fc33a4b91d0a606a408c53a95b3cc64f8bde6794c363f5ce84e19f38f [2023-11-19 03:19:21,104 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:19:21,138 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:19:21,142 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:19:21,144 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:19:21,145 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:19:21,176 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_120497b4-d187-4446-ac3d-c2aedd0fd135/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/busybox-1.22.0/basename-2.i [2023-11-19 03:19:24,708 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:19:25,069 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:19:25,070 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_120497b4-d187-4446-ac3d-c2aedd0fd135/sv-benchmarks/c/busybox-1.22.0/basename-2.i [2023-11-19 03:19:25,102 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_120497b4-d187-4446-ac3d-c2aedd0fd135/bin/ukojak-verify-G8NBE6pJGL/data/45dd8d6ac/bd8bbf5d2f0345589493db520fe23c8a/FLAGe1b936ea1 [2023-11-19 03:19:25,128 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_120497b4-d187-4446-ac3d-c2aedd0fd135/bin/ukojak-verify-G8NBE6pJGL/data/45dd8d6ac/bd8bbf5d2f0345589493db520fe23c8a [2023-11-19 03:19:25,138 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:19:25,140 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:19:25,143 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:19:25,143 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:19:25,149 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:19:25,151 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:19:25" (1/1) ... [2023-11-19 03:19:25,152 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f48df24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:25, skipping insertion in model container [2023-11-19 03:19:25,153 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:19:25" (1/1) ... [2023-11-19 03:19:25,259 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:19:26,093 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:19:26,110 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:19:26,259 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:19:26,427 WARN L675 CHandler]: The function strrchr is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:19:26,437 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:19:26,438 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:26 WrapperNode [2023-11-19 03:19:26,439 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:19:26,440 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:19:26,440 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:19:26,440 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:19:26,449 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:26" (1/1) ... [2023-11-19 03:19:26,518 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:26" (1/1) ... [2023-11-19 03:19:26,564 INFO L138 Inliner]: procedures = 350, calls = 122, calls flagged for inlining = 18, calls inlined = 12, statements flattened = 399 [2023-11-19 03:19:26,564 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:19:26,565 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:19:26,565 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:19:26,566 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:19:26,576 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:26" (1/1) ... [2023-11-19 03:19:26,576 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:26" (1/1) ... [2023-11-19 03:19:26,584 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:26" (1/1) ... [2023-11-19 03:19:26,584 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:26" (1/1) ... [2023-11-19 03:19:26,607 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:26" (1/1) ... [2023-11-19 03:19:26,613 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:26" (1/1) ... [2023-11-19 03:19:26,618 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:26" (1/1) ... [2023-11-19 03:19:26,622 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:26" (1/1) ... [2023-11-19 03:19:26,631 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:19:26,632 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:19:26,632 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:19:26,633 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:19:26,633 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:26" (1/1) ... [2023-11-19 03:19:26,639 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:19:26,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_120497b4-d187-4446-ac3d-c2aedd0fd135/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:19:26,670 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_120497b4-d187-4446-ac3d-c2aedd0fd135/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:19:26,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_120497b4-d187-4446-ac3d-c2aedd0fd135/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:19:26,740 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 03:19:26,740 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:19:26,741 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:19:26,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:19:26,741 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:19:26,741 INFO L130 BoogieDeclarations]: Found specification of procedure strrchr [2023-11-19 03:19:26,742 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:19:26,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 03:19:26,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:19:26,742 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:19:26,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:19:27,189 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:19:27,194 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:19:28,108 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:19:28,307 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:19:28,308 INFO L302 CfgBuilder]: Removed 9 assume(true) statements. [2023-11-19 03:19:28,316 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:19:28 BoogieIcfgContainer [2023-11-19 03:19:28,316 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:19:28,317 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:19:28,318 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:19:28,331 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:19:28,331 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:19:28" (1/1) ... [2023-11-19 03:19:28,343 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:19:28,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:28,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 200 states and 230 transitions. [2023-11-19 03:19:28,420 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 230 transitions. [2023-11-19 03:19:28,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-19 03:19:28,423 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:28,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:28,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:28,911 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 03:19:28,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:28,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 199 states and 229 transitions. [2023-11-19 03:19:28,952 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 229 transitions. [2023-11-19 03:19:28,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-19 03:19:28,953 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:28,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:28,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:29,169 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 03:19:29,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:29,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 198 states and 228 transitions. [2023-11-19 03:19:29,275 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 228 transitions. [2023-11-19 03:19:29,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:19:29,275 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:29,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:29,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:29,442 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 03:19:29,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:29,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 199 states and 230 transitions. [2023-11-19 03:19:29,487 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 230 transitions. [2023-11-19 03:19:29,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:19:29,490 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:29,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:29,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:29,602 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 03:19:29,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:29,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 200 states and 232 transitions. [2023-11-19 03:19:29,704 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 232 transitions. [2023-11-19 03:19:29,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:19:29,705 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:29,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:29,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:29,982 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 03:19:30,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:30,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 202 states and 234 transitions. [2023-11-19 03:19:30,270 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 234 transitions. [2023-11-19 03:19:30,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:19:30,271 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:30,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:30,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:30,402 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 03:19:30,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:30,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 203 states and 237 transitions. [2023-11-19 03:19:30,481 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 237 transitions. [2023-11-19 03:19:30,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:19:30,481 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:30,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:30,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:30,553 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 03:19:30,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:30,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 203 states and 236 transitions. [2023-11-19 03:19:30,678 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 236 transitions. [2023-11-19 03:19:30,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:19:30,678 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:30,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:30,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:30,989 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 03:19:31,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:31,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 205 states and 239 transitions. [2023-11-19 03:19:31,778 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 239 transitions. [2023-11-19 03:19:31,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:19:31,779 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:31,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:31,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:31,944 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 03:19:32,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:32,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 207 states and 244 transitions. [2023-11-19 03:19:32,199 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 244 transitions. [2023-11-19 03:19:32,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:19:32,200 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:32,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:32,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:32,288 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 03:19:32,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:32,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 207 states and 243 transitions. [2023-11-19 03:19:32,464 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 243 transitions. [2023-11-19 03:19:32,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:19:32,465 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:32,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:32,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:32,768 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:19:33,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:33,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 209 states and 247 transitions. [2023-11-19 03:19:33,539 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 247 transitions. [2023-11-19 03:19:33,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:19:33,539 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:33,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:33,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:33,778 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 03:19:34,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:34,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 211 states and 254 transitions. [2023-11-19 03:19:34,231 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 254 transitions. [2023-11-19 03:19:34,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:19:34,232 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:34,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:34,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:34,337 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 03:19:34,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:34,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 211 states and 253 transitions. [2023-11-19 03:19:34,563 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 253 transitions. [2023-11-19 03:19:34,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:19:34,564 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:34,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:34,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:35,054 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 03:19:35,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:35,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 213 states and 253 transitions. [2023-11-19 03:19:35,765 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 253 transitions. [2023-11-19 03:19:35,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:19:35,766 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:35,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:35,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:36,028 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 03:19:36,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:36,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 215 states and 260 transitions. [2023-11-19 03:19:36,380 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 260 transitions. [2023-11-19 03:19:36,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:19:36,380 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:36,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:36,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:36,804 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 03:19:37,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:37,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 216 states and 261 transitions. [2023-11-19 03:19:37,268 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 261 transitions. [2023-11-19 03:19:37,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:19:37,268 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:37,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:37,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:37,358 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 03:19:37,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:37,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 216 states and 260 transitions. [2023-11-19 03:19:37,601 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 260 transitions. [2023-11-19 03:19:37,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:19:37,602 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:37,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:37,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:38,255 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 03:19:41,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:41,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 219 states and 270 transitions. [2023-11-19 03:19:41,435 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 270 transitions. [2023-11-19 03:19:41,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:19:41,436 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:41,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:41,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:41,740 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 03:19:42,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:42,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 221 states and 277 transitions. [2023-11-19 03:19:42,520 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 277 transitions. [2023-11-19 03:19:42,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:19:42,521 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:42,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:42,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:42,625 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 03:19:42,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:42,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 221 states and 276 transitions. [2023-11-19 03:19:42,992 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 276 transitions. [2023-11-19 03:19:42,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:19:42,993 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:42,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:43,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:43,578 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 03:19:44,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:44,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 222 states and 276 transitions. [2023-11-19 03:19:44,309 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 276 transitions. [2023-11-19 03:19:44,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:19:44,315 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:44,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:44,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:44,661 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 03:19:45,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:45,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 224 states and 283 transitions. [2023-11-19 03:19:45,440 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 283 transitions. [2023-11-19 03:19:45,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:19:45,440 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:45,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:45,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:45,571 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 03:19:45,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:45,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 224 states and 282 transitions. [2023-11-19 03:19:45,951 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 282 transitions. [2023-11-19 03:19:45,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:19:45,952 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:45,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:45,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:46,575 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 03:19:47,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:47,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 225 states and 282 transitions. [2023-11-19 03:19:47,338 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 282 transitions. [2023-11-19 03:19:47,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:19:47,342 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:47,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:47,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:47,710 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 03:19:48,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:48,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 227 states and 289 transitions. [2023-11-19 03:19:48,482 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 289 transitions. [2023-11-19 03:19:48,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:19:48,487 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:48,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:48,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:49,177 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 03:19:49,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:49,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 228 states and 290 transitions. [2023-11-19 03:19:49,919 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 290 transitions. [2023-11-19 03:19:49,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:19:49,919 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:49,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:49,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:50,044 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 03:19:50,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:50,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 228 states and 289 transitions. [2023-11-19 03:19:50,508 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 289 transitions. [2023-11-19 03:19:50,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:19:50,509 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:50,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:50,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:50,908 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 03:19:51,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:51,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 230 states and 296 transitions. [2023-11-19 03:19:51,655 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 296 transitions. [2023-11-19 03:19:51,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:19:51,656 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:51,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:51,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:52,987 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:19:54,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:54,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 232 states and 303 transitions. [2023-11-19 03:19:54,972 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 303 transitions. [2023-11-19 03:19:54,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:19:54,973 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:54,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:55,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:55,097 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 03:19:55,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:55,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 232 states and 302 transitions. [2023-11-19 03:19:55,629 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 302 transitions. [2023-11-19 03:19:55,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:19:55,630 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:55,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:55,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:55,989 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 03:19:57,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:57,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 234 states and 308 transitions. [2023-11-19 03:19:57,052 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 308 transitions. [2023-11-19 03:19:57,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:19:57,053 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:57,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:57,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:57,302 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 03:19:58,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:58,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 236 states and 311 transitions. [2023-11-19 03:19:58,329 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 311 transitions. [2023-11-19 03:19:58,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:19:58,330 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:58,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:58,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:58,894 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:20:00,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:00,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 237 states and 312 transitions. [2023-11-19 03:20:00,398 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 312 transitions. [2023-11-19 03:20:00,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:20:00,398 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:20:00,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:20:00,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:20:01,229 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 03:20:01,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:01,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 238 states and 312 transitions. [2023-11-19 03:20:01,917 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 312 transitions. [2023-11-19 03:20:01,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:20:01,917 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:20:01,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:20:01,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:20:02,059 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 03:20:02,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:02,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 238 states and 311 transitions. [2023-11-19 03:20:02,727 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 311 transitions. [2023-11-19 03:20:02,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 03:20:02,728 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:20:02,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:20:02,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:20:03,114 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 03:20:03,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:03,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 239 states and 311 transitions. [2023-11-19 03:20:03,600 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 311 transitions. [2023-11-19 03:20:03,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 03:20:03,601 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:20:03,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:20:03,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:20:04,263 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked.