./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/readlink-2.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_8ddaa24b-9e01-4cc2-94ad-f34c7273cd8e/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ddaa24b-9e01-4cc2-94ad-f34c7273cd8e/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_8ddaa24b-9e01-4cc2-94ad-f34c7273cd8e/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ddaa24b-9e01-4cc2-94ad-f34c7273cd8e/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/readlink-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ddaa24b-9e01-4cc2-94ad-f34c7273cd8e/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_8ddaa24b-9e01-4cc2-94ad-f34c7273cd8e/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 46eaa86a058d5f8f9ac1a5b9efbcb664547df2e8af2d76b8a7d936d3418cf7e2 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:51:57,136 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:51:57,272 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ddaa24b-9e01-4cc2-94ad-f34c7273cd8e/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf [2023-11-19 02:51:57,281 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:51:57,282 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:51:57,324 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:51:57,326 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:51:57,327 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:51:57,328 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:51:57,333 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:51:57,334 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:51:57,334 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 02:51:57,335 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 02:51:57,337 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 02:51:57,338 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:51:57,338 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:51:57,339 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:51:57,339 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:51:57,340 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:51:57,341 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:51:57,342 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:51:57,342 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:51:57,343 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:51:57,343 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:51:57,344 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:51:57,345 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:51:57,345 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_8ddaa24b-9e01-4cc2-94ad-f34c7273cd8e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ddaa24b-9e01-4cc2-94ad-f34c7273cd8e/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 46eaa86a058d5f8f9ac1a5b9efbcb664547df2e8af2d76b8a7d936d3418cf7e2 [2023-11-19 02:51:57,685 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:51:57,718 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:51:57,722 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:51:57,723 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:51:57,723 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:51:57,725 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ddaa24b-9e01-4cc2-94ad-f34c7273cd8e/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2023-11-19 02:52:00,997 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:52:01,604 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:52:01,604 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ddaa24b-9e01-4cc2-94ad-f34c7273cd8e/sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2023-11-19 02:52:01,637 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ddaa24b-9e01-4cc2-94ad-f34c7273cd8e/bin/ukojak-verify-G8NBE6pJGL/data/128e41424/64ee76b317e941c0bbdd1deaac27f955/FLAGccffb3485 [2023-11-19 02:52:01,652 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ddaa24b-9e01-4cc2-94ad-f34c7273cd8e/bin/ukojak-verify-G8NBE6pJGL/data/128e41424/64ee76b317e941c0bbdd1deaac27f955 [2023-11-19 02:52:01,655 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:52:01,656 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:52:01,661 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:52:01,661 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:52:01,666 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:52:01,668 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:52:01" (1/1) ... [2023-11-19 02:52:01,669 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ae6357a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:01, skipping insertion in model container [2023-11-19 02:52:01,669 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:52:01" (1/1) ... [2023-11-19 02:52:01,771 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:52:03,212 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:52:03,242 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:52:03,408 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:52:03,672 WARN L675 CHandler]: The function fflush is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:52:03,673 WARN L675 CHandler]: The function strerror is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:52:03,673 WARN L675 CHandler]: The function strtoul is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:52:03,681 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:52:03,682 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:03 WrapperNode [2023-11-19 02:52:03,682 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:52:03,683 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:52:03,684 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:52:03,685 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:52:03,693 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:03" (1/1) ... [2023-11-19 02:52:03,781 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:03" (1/1) ... [2023-11-19 02:52:03,932 INFO L138 Inliner]: procedures = 575, calls = 398, calls flagged for inlining = 58, calls inlined = 142, statements flattened = 4065 [2023-11-19 02:52:03,932 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:52:03,933 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:52:03,933 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:52:03,933 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:52:03,944 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:03" (1/1) ... [2023-11-19 02:52:03,944 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:03" (1/1) ... [2023-11-19 02:52:03,978 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:03" (1/1) ... [2023-11-19 02:52:03,979 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:03" (1/1) ... [2023-11-19 02:52:04,204 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:03" (1/1) ... [2023-11-19 02:52:04,237 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:03" (1/1) ... [2023-11-19 02:52:04,266 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:03" (1/1) ... [2023-11-19 02:52:04,297 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:03" (1/1) ... [2023-11-19 02:52:04,342 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:52:04,344 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:52:04,345 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:52:04,345 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:52:04,346 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:03" (1/1) ... [2023-11-19 02:52:04,353 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:52:04,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ddaa24b-9e01-4cc2-94ad-f34c7273cd8e/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:52:04,382 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ddaa24b-9e01-4cc2-94ad-f34c7273cd8e/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:52:04,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ddaa24b-9e01-4cc2-94ad-f34c7273cd8e/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:52:04,431 INFO L130 BoogieDeclarations]: Found specification of procedure strerror [2023-11-19 02:52:04,431 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:52:04,432 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 02:52:04,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 02:52:04,432 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 02:52:04,432 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 02:52:04,432 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2023-11-19 02:52:04,433 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:52:04,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 02:52:04,433 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:52:04,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:52:04,433 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 02:52:04,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 02:52:04,434 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 02:52:04,435 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 02:52:04,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 02:52:04,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 02:52:04,435 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2023-11-19 02:52:04,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:52:04,878 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:52:04,880 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:52:10,343 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:52:11,787 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:52:11,788 INFO L302 CfgBuilder]: Removed 80 assume(true) statements. [2023-11-19 02:52:11,811 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:52:11 BoogieIcfgContainer [2023-11-19 02:52:11,811 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:52:11,813 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:52:11,813 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:52:11,826 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:52:11,827 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:52:11" (1/1) ... [2023-11-19 02:52:11,838 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:52:11,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:11,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2581 states to 2240 states and 2581 transitions. [2023-11-19 02:52:11,972 INFO L276 IsEmpty]: Start isEmpty. Operand 2240 states and 2581 transitions. [2023-11-19 02:52:11,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-19 02:52:11,975 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:11,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:12,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:12,624 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 02:52:12,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:12,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2580 states to 2239 states and 2580 transitions. [2023-11-19 02:52:12,706 INFO L276 IsEmpty]: Start isEmpty. Operand 2239 states and 2580 transitions. [2023-11-19 02:52:12,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-19 02:52:12,706 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:12,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:12,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:12,905 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 02:52:13,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:13,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2579 states to 2238 states and 2579 transitions. [2023-11-19 02:52:13,038 INFO L276 IsEmpty]: Start isEmpty. Operand 2238 states and 2579 transitions. [2023-11-19 02:52:13,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 02:52:13,039 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:13,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:13,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:13,152 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 02:52:13,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:13,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2581 states to 2239 states and 2581 transitions. [2023-11-19 02:52:13,213 INFO L276 IsEmpty]: Start isEmpty. Operand 2239 states and 2581 transitions. [2023-11-19 02:52:13,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 02:52:13,216 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:13,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:13,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:13,299 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 02:52:13,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:13,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2583 states to 2240 states and 2583 transitions. [2023-11-19 02:52:13,398 INFO L276 IsEmpty]: Start isEmpty. Operand 2240 states and 2583 transitions. [2023-11-19 02:52:13,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 02:52:13,398 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:13,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:13,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:13,708 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 02:52:14,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:14,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2585 states to 2242 states and 2585 transitions. [2023-11-19 02:52:14,133 INFO L276 IsEmpty]: Start isEmpty. Operand 2242 states and 2585 transitions. [2023-11-19 02:52:14,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 02:52:14,134 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:14,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:14,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:14,321 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 02:52:14,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:14,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2588 states to 2243 states and 2588 transitions. [2023-11-19 02:52:14,420 INFO L276 IsEmpty]: Start isEmpty. Operand 2243 states and 2588 transitions. [2023-11-19 02:52:14,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 02:52:14,421 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:14,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:14,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:14,534 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 02:52:14,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:14,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2587 states to 2243 states and 2587 transitions. [2023-11-19 02:52:14,660 INFO L276 IsEmpty]: Start isEmpty. Operand 2243 states and 2587 transitions. [2023-11-19 02:52:14,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 02:52:14,661 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:14,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:14,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:15,010 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 02:52:15,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:15,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2590 states to 2245 states and 2590 transitions. [2023-11-19 02:52:15,564 INFO L276 IsEmpty]: Start isEmpty. Operand 2245 states and 2590 transitions. [2023-11-19 02:52:15,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 02:52:15,565 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:15,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:15,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:15,751 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 02:52:15,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:15,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2595 states to 2247 states and 2595 transitions. [2023-11-19 02:52:15,986 INFO L276 IsEmpty]: Start isEmpty. Operand 2247 states and 2595 transitions. [2023-11-19 02:52:15,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 02:52:15,987 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:15,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:16,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:16,092 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 02:52:16,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:16,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2594 states to 2247 states and 2594 transitions. [2023-11-19 02:52:16,254 INFO L276 IsEmpty]: Start isEmpty. Operand 2247 states and 2594 transitions. [2023-11-19 02:52:16,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 02:52:16,254 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:16,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:16,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:16,668 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 02:52:17,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:17,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2598 states to 2249 states and 2598 transitions. [2023-11-19 02:52:17,368 INFO L276 IsEmpty]: Start isEmpty. Operand 2249 states and 2598 transitions. [2023-11-19 02:52:17,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 02:52:17,369 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:17,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:17,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:17,607 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 02:52:17,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:17,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2605 states to 2251 states and 2605 transitions. [2023-11-19 02:52:17,985 INFO L276 IsEmpty]: Start isEmpty. Operand 2251 states and 2605 transitions. [2023-11-19 02:52:17,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 02:52:17,986 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:17,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:18,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:18,454 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 02:52:18,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:18,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2606 states to 2253 states and 2606 transitions. [2023-11-19 02:52:18,969 INFO L276 IsEmpty]: Start isEmpty. Operand 2253 states and 2606 transitions. [2023-11-19 02:52:18,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 02:52:18,970 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:18,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:18,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:19,047 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 02:52:19,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:19,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2605 states to 2253 states and 2605 transitions. [2023-11-19 02:52:19,241 INFO L276 IsEmpty]: Start isEmpty. Operand 2253 states and 2605 transitions. [2023-11-19 02:52:19,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 02:52:19,242 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:19,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:19,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:19,434 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 02:52:19,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:19,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2612 states to 2255 states and 2612 transitions. [2023-11-19 02:52:19,745 INFO L276 IsEmpty]: Start isEmpty. Operand 2255 states and 2612 transitions. [2023-11-19 02:52:19,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 02:52:19,746 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:19,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:19,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:20,128 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:52:20,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:20,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2616 states to 2257 states and 2616 transitions. [2023-11-19 02:52:20,880 INFO L276 IsEmpty]: Start isEmpty. Operand 2257 states and 2616 transitions. [2023-11-19 02:52:20,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 02:52:20,882 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:20,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:20,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:20,979 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 02:52:21,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:21,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2615 states to 2257 states and 2615 transitions. [2023-11-19 02:52:21,246 INFO L276 IsEmpty]: Start isEmpty. Operand 2257 states and 2615 transitions. [2023-11-19 02:52:21,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 02:52:21,248 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:21,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:21,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:21,884 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 02:52:22,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:22,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2615 states to 2258 states and 2615 transitions. [2023-11-19 02:52:22,455 INFO L276 IsEmpty]: Start isEmpty. Operand 2258 states and 2615 transitions. [2023-11-19 02:52:22,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 02:52:22,456 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:22,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:22,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:23,094 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 02:52:25,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:25,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2627 states to 2261 states and 2627 transitions. [2023-11-19 02:52:25,999 INFO L276 IsEmpty]: Start isEmpty. Operand 2261 states and 2627 transitions. [2023-11-19 02:52:25,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 02:52:26,000 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:26,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:26,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:26,308 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 02:52:26,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:26,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2636 states to 2263 states and 2636 transitions. [2023-11-19 02:52:26,979 INFO L276 IsEmpty]: Start isEmpty. Operand 2263 states and 2636 transitions. [2023-11-19 02:52:26,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 02:52:26,981 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:26,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:27,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:27,352 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 02:52:27,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:27,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2637 states to 2264 states and 2637 transitions. [2023-11-19 02:52:27,767 INFO L276 IsEmpty]: Start isEmpty. Operand 2264 states and 2637 transitions. [2023-11-19 02:52:27,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 02:52:27,767 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:27,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:27,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:27,897 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 02:52:28,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:28,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2636 states to 2264 states and 2636 transitions. [2023-11-19 02:52:28,286 INFO L276 IsEmpty]: Start isEmpty. Operand 2264 states and 2636 transitions. [2023-11-19 02:52:28,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 02:52:28,293 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:28,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:28,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:28,634 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 02:52:29,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:29,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2645 states to 2266 states and 2645 transitions. [2023-11-19 02:52:29,367 INFO L276 IsEmpty]: Start isEmpty. Operand 2266 states and 2645 transitions. [2023-11-19 02:52:29,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 02:52:29,368 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:29,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:29,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:29,981 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 02:52:30,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:30,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2646 states to 2267 states and 2646 transitions. [2023-11-19 02:52:30,634 INFO L276 IsEmpty]: Start isEmpty. Operand 2267 states and 2646 transitions. [2023-11-19 02:52:30,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 02:52:30,634 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:30,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:30,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:30,785 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 02:52:31,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:31,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2645 states to 2267 states and 2645 transitions. [2023-11-19 02:52:31,217 INFO L276 IsEmpty]: Start isEmpty. Operand 2267 states and 2645 transitions. [2023-11-19 02:52:31,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 02:52:31,217 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:31,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:31,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:31,574 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 02:52:32,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:32,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2654 states to 2269 states and 2654 transitions. [2023-11-19 02:52:32,333 INFO L276 IsEmpty]: Start isEmpty. Operand 2269 states and 2654 transitions. [2023-11-19 02:52:32,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 02:52:32,334 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:32,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:32,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:33,017 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 02:52:33,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:33,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2655 states to 2270 states and 2655 transitions. [2023-11-19 02:52:33,808 INFO L276 IsEmpty]: Start isEmpty. Operand 2270 states and 2655 transitions. [2023-11-19 02:52:33,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 02:52:33,809 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:33,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:33,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:33,923 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 02:52:34,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:34,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2654 states to 2270 states and 2654 transitions. [2023-11-19 02:52:34,370 INFO L276 IsEmpty]: Start isEmpty. Operand 2270 states and 2654 transitions. [2023-11-19 02:52:34,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 02:52:34,371 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:34,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:34,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:34,730 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 02:52:35,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:35,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2663 states to 2272 states and 2663 transitions. [2023-11-19 02:52:35,485 INFO L276 IsEmpty]: Start isEmpty. Operand 2272 states and 2663 transitions. [2023-11-19 02:52:35,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 02:52:35,486 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:35,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:35,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:35,599 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 02:52:36,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:36,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2662 states to 2272 states and 2662 transitions. [2023-11-19 02:52:36,096 INFO L276 IsEmpty]: Start isEmpty. Operand 2272 states and 2662 transitions. [2023-11-19 02:52:36,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 02:52:36,096 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:36,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:36,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:36,856 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 02:52:37,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:37,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2662 states to 2273 states and 2662 transitions. [2023-11-19 02:52:37,596 INFO L276 IsEmpty]: Start isEmpty. Operand 2273 states and 2662 transitions. [2023-11-19 02:52:37,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 02:52:37,596 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:37,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:37,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:37,951 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 02:52:38,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:38,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2666 states to 2275 states and 2666 transitions. [2023-11-19 02:52:38,696 INFO L276 IsEmpty]: Start isEmpty. Operand 2275 states and 2666 transitions. [2023-11-19 02:52:38,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 02:52:38,697 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:38,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:38,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:39,352 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 02:52:40,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:40,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2597 states to 2257 states and 2597 transitions. [2023-11-19 02:52:40,072 INFO L276 IsEmpty]: Start isEmpty. Operand 2257 states and 2597 transitions. [2023-11-19 02:52:40,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 02:52:40,073 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:40,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:40,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:40,178 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 02:52:40,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:40,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2594 states to 2254 states and 2594 transitions. [2023-11-19 02:52:40,437 INFO L276 IsEmpty]: Start isEmpty. Operand 2254 states and 2594 transitions. [2023-11-19 02:52:40,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 02:52:40,437 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:40,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:40,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:41,124 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked.