./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/termination-dietlibc/strlcat.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9939b847-39de-4ae0-9c27-052526ee58fe/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9939b847-39de-4ae0-9c27-052526ee58fe/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9939b847-39de-4ae0-9c27-052526ee58fe/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9939b847-39de-4ae0-9c27-052526ee58fe/bin/ukojak-verify-EEHR8qb7sm/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/termination-dietlibc/strlcat.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9939b847-39de-4ae0-9c27-052526ee58fe/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9939b847-39de-4ae0-9c27-052526ee58fe/bin/ukojak-verify-EEHR8qb7sm --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 4a2b4697f5c3b66d485090307ef74ec11d08954b2ae38adb1c0f438a86221c12 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:22:26,149 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:22:26,245 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9939b847-39de-4ae0-9c27-052526ee58fe/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf [2024-11-13 22:22:26,251 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:22:26,251 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:22:26,289 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:22:26,290 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:22:26,291 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:22:26,291 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:22:26,291 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:22:26,293 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:22:26,293 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-13 22:22:26,293 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-13 22:22:26,293 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-13 22:22:26,293 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:22:26,294 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:22:26,294 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 22:22:26,295 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:22:26,295 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:22:26,295 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:22:26,295 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:22:26,295 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:22:26,295 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:22:26,296 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:22:26,296 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:22:26,297 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:22:26,297 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:22:26,297 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_9939b847-39de-4ae0-9c27-052526ee58fe/bin/ukojak-verify-EEHR8qb7sm 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 -> 4a2b4697f5c3b66d485090307ef74ec11d08954b2ae38adb1c0f438a86221c12 [2024-11-13 22:22:26,700 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:22:26,713 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:22:26,718 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:22:26,720 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:22:26,723 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:22:26,725 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9939b847-39de-4ae0-9c27-052526ee58fe/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/termination-dietlibc/strlcat.i Unable to find full path for "g++" [2024-11-13 22:22:28,809 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:22:29,184 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:22:29,188 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9939b847-39de-4ae0-9c27-052526ee58fe/sv-benchmarks/c/termination-dietlibc/strlcat.i [2024-11-13 22:22:29,208 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9939b847-39de-4ae0-9c27-052526ee58fe/bin/ukojak-verify-EEHR8qb7sm/data/7858cbeb7/b126600173c546b7a77f544678a5d85e/FLAG9860df07f [2024-11-13 22:22:29,400 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9939b847-39de-4ae0-9c27-052526ee58fe/bin/ukojak-verify-EEHR8qb7sm/data/7858cbeb7/b126600173c546b7a77f544678a5d85e [2024-11-13 22:22:29,402 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:22:29,404 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:22:29,406 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:22:29,406 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:22:29,412 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:22:29,413 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:22:29" (1/1) ... [2024-11-13 22:22:29,414 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@537d0c0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:22:29, skipping insertion in model container [2024-11-13 22:22:29,414 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:22:29" (1/1) ... [2024-11-13 22:22:29,449 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:22:29,826 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:22:29,840 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:22:29,908 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:22:29,950 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:22:29,950 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:22:29 WrapperNode [2024-11-13 22:22:29,951 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:22:29,952 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:22:29,952 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:22:29,952 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:22:29,960 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:22:29" (1/1) ... [2024-11-13 22:22:29,979 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:22:29" (1/1) ... [2024-11-13 22:22:30,002 INFO L138 Inliner]: procedures = 114, calls = 19, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 111 [2024-11-13 22:22:30,003 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:22:30,004 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:22:30,004 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:22:30,004 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:22:30,010 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:22:29" (1/1) ... [2024-11-13 22:22:30,011 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:22:29" (1/1) ... [2024-11-13 22:22:30,014 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:22:29" (1/1) ... [2024-11-13 22:22:30,015 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:22:29" (1/1) ... [2024-11-13 22:22:30,022 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:22:29" (1/1) ... [2024-11-13 22:22:30,026 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:22:29" (1/1) ... [2024-11-13 22:22:30,028 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:22:29" (1/1) ... [2024-11-13 22:22:30,029 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:22:29" (1/1) ... [2024-11-13 22:22:30,031 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:22:30,033 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:22:30,033 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:22:30,033 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:22:30,034 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:22:29" (1/1) ... [2024-11-13 22:22:30,042 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:22:30,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9939b847-39de-4ae0-9c27-052526ee58fe/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:22:30,079 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9939b847-39de-4ae0-9c27-052526ee58fe/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:22:30,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9939b847-39de-4ae0-9c27-052526ee58fe/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:22:30,122 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 22:22:30,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 22:22:30,124 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 22:22:30,124 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 22:22:30,124 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:22:30,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:22:30,252 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:22:30,254 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:22:30,700 INFO L? ?]: Removed 73 outVars from TransFormulas that were not future-live. [2024-11-13 22:22:30,700 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:22:30,783 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:22:30,783 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-13 22:22:30,783 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:22:30 BoogieIcfgContainer [2024-11-13 22:22:30,784 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:22:30,784 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:22:30,785 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:22:30,799 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:22:30,800 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:22:30" (1/1) ... [2024-11-13 22:22:30,812 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:22:30,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:22:30,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 41 states and 51 transitions. [2024-11-13 22:22:30,869 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 51 transitions. [2024-11-13 22:22:30,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-13 22:22:30,872 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:22:30,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:22:30,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:22:31,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:22:31,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:22:31,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 42 states and 53 transitions. [2024-11-13 22:22:31,081 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 53 transitions. [2024-11-13 22:22:31,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-13 22:22:31,081 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:22:31,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:22:31,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:22:31,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:22:31,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:22:31,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 41 states and 52 transitions. [2024-11-13 22:22:31,242 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 52 transitions. [2024-11-13 22:22:31,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-13 22:22:31,242 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:22:31,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:22:31,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:22:31,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:22:31,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:22:31,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 40 states and 51 transitions. [2024-11-13 22:22:31,990 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 51 transitions. [2024-11-13 22:22:31,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 22:22:31,993 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:22:31,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:22:32,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:22:32,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:22:32,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:22:32,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 39 states and 50 transitions. [2024-11-13 22:22:32,168 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 50 transitions. [2024-11-13 22:22:32,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 22:22:32,168 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:22:32,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:22:32,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:22:32,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:22:32,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:22:32,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 38 states and 49 transitions. [2024-11-13 22:22:32,922 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 49 transitions. [2024-11-13 22:22:32,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 22:22:32,923 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:22:32,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:22:32,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:22:33,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:22:33,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:22:33,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 38 states and 48 transitions. [2024-11-13 22:22:33,602 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 48 transitions. [2024-11-13 22:22:33,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 22:22:33,603 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:22:33,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:22:33,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:22:33,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:22:34,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:22:34,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 39 states and 49 transitions. [2024-11-13 22:22:34,544 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 49 transitions. [2024-11-13 22:22:34,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 22:22:34,544 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:22:34,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:22:34,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:22:35,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:22:36,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:22:36,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 40 states and 51 transitions. [2024-11-13 22:22:36,793 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 51 transitions. [2024-11-13 22:22:36,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 22:22:36,794 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:22:36,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:22:36,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:22:36,857 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:22:36,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:22:36,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 38 states and 48 transitions. [2024-11-13 22:22:36,881 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 48 transitions. [2024-11-13 22:22:36,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 22:22:36,881 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:22:36,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:22:36,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:22:37,910 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:22:40,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:22:40,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 41 states and 54 transitions. [2024-11-13 22:22:40,616 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 54 transitions. [2024-11-13 22:22:40,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 22:22:40,617 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:22:40,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:22:40,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:22:40,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:22:41,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:22:41,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 46 states and 64 transitions. [2024-11-13 22:22:41,577 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 64 transitions. [2024-11-13 22:22:41,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 22:22:41,577 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:22:41,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:22:41,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:22:41,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:22:43,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:22:43,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 51 states and 75 transitions. [2024-11-13 22:22:43,993 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 75 transitions. [2024-11-13 22:22:43,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 22:22:43,994 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:22:43,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:22:44,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:22:45,501 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:22:49,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:22:49,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 55 states and 87 transitions. [2024-11-13 22:22:49,856 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 87 transitions. [2024-11-13 22:22:49,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 22:22:49,858 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:22:49,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:22:49,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:22:50,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:22:50,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:22:50,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 57 states and 90 transitions. [2024-11-13 22:22:50,288 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 90 transitions. [2024-11-13 22:22:50,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 22:22:50,289 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:22:50,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:22:50,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:22:50,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:22:51,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:22:51,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 59 states and 94 transitions. [2024-11-13 22:22:51,411 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 94 transitions. [2024-11-13 22:22:51,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 22:22:51,412 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:22:51,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:22:51,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:22:51,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:22:52,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:22:52,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 62 states and 100 transitions. [2024-11-13 22:22:52,029 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 100 transitions. [2024-11-13 22:22:52,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 22:22:52,030 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:22:52,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:22:52,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:22:52,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:22:54,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:22:54,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 67 states and 109 transitions. [2024-11-13 22:22:54,068 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 109 transitions. [2024-11-13 22:22:54,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 22:22:54,069 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:22:54,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:22:54,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:22:54,114 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 22:22:55,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:22:55,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 69 states and 113 transitions. [2024-11-13 22:22:55,592 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 113 transitions. [2024-11-13 22:22:55,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 22:22:55,594 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:22:55,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:22:55,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:22:55,944 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 22:22:57,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:22:57,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 71 states and 117 transitions. [2024-11-13 22:22:57,421 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 117 transitions. [2024-11-13 22:22:57,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 22:22:57,422 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:22:57,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:22:57,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:22:59,451 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:23:07,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:23:07,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 77 states and 133 transitions. [2024-11-13 22:23:07,582 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 133 transitions. [2024-11-13 22:23:07,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 22:23:07,582 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:23:07,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:23:07,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:23:07,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:23:08,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:23:08,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 79 states and 138 transitions. [2024-11-13 22:23:08,182 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 138 transitions. [2024-11-13 22:23:08,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 22:23:08,183 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:23:08,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:23:08,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:23:08,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:23:09,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:23:09,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 82 states and 145 transitions. [2024-11-13 22:23:09,393 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 145 transitions. [2024-11-13 22:23:09,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 22:23:09,393 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:23:09,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:23:09,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:23:10,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:23:14,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:23:14,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 87 states and 155 transitions. [2024-11-13 22:23:14,869 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 155 transitions. [2024-11-13 22:23:14,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 22:23:14,870 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:23:14,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:23:14,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:23:15,848 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 22:23:22,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:23:22,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 91 states and 164 transitions. [2024-11-13 22:23:22,599 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 164 transitions. [2024-11-13 22:23:22,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 22:23:22,602 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:23:22,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:23:22,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:23:22,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:23:24,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:23:24,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 94 states and 169 transitions. [2024-11-13 22:23:24,065 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 169 transitions. [2024-11-13 22:23:24,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 22:23:24,065 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:23:24,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:23:24,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:23:24,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:23:26,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:23:26,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 97 states and 174 transitions. [2024-11-13 22:23:26,506 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 174 transitions. [2024-11-13 22:23:26,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 22:23:26,507 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:23:26,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:23:26,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:23:26,538 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:23:26,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:23:26,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 98 states and 176 transitions. [2024-11-13 22:23:26,568 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 176 transitions. [2024-11-13 22:23:26,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 22:23:26,569 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:23:26,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:23:26,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:23:28,187 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:23:38,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:23:38,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 107 states and 199 transitions. [2024-11-13 22:23:38,598 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 199 transitions. [2024-11-13 22:23:38,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 22:23:38,599 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:23:38,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:23:38,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:23:39,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:23:51,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:23:51,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 115 states and 219 transitions. [2024-11-13 22:23:51,710 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 219 transitions. [2024-11-13 22:23:51,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 22:23:51,710 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:23:51,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:23:51,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:23:51,996 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 22:23:54,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:23:54,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 120 states and 232 transitions. [2024-11-13 22:23:54,556 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 232 transitions. [2024-11-13 22:23:54,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 22:23:54,557 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:23:54,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:23:54,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:23:54,704 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 22:23:56,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:23:56,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 122 states and 236 transitions. [2024-11-13 22:23:56,648 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 236 transitions. [2024-11-13 22:23:56,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 22:23:56,649 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:23:56,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:23:56,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:23:56,683 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 22:23:59,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:23:59,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 124 states and 238 transitions. [2024-11-13 22:23:59,038 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 238 transitions. [2024-11-13 22:23:59,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 22:23:59,038 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:23:59,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:23:59,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:24:00,860 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:24:04,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:24:04,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 126 states and 241 transitions. [2024-11-13 22:24:04,530 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 241 transitions. [2024-11-13 22:24:04,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 22:24:04,530 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:24:04,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:24:04,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:24:04,580 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 22:24:05,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:24:05,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 127 states and 243 transitions. [2024-11-13 22:24:05,612 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 243 transitions. [2024-11-13 22:24:05,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 22:24:05,613 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:24:05,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:24:05,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:24:05,636 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 22:24:06,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:24:06,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 127 states and 242 transitions. [2024-11-13 22:24:06,383 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 242 transitions. [2024-11-13 22:24:06,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 22:24:06,383 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:24:06,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:24:06,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:24:06,427 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 22:24:10,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:24:10,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 131 states and 252 transitions. [2024-11-13 22:24:10,173 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 252 transitions. [2024-11-13 22:24:10,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 22:24:10,174 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:24:10,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:24:10,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:24:11,695 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 22:24:20,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:24:20,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 139 states and 274 transitions. [2024-11-13 22:24:20,816 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 274 transitions. [2024-11-13 22:24:20,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 22:24:20,817 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:24:20,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:24:20,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:24:20,859 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-13 22:24:22,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:24:22,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 139 states and 273 transitions. [2024-11-13 22:24:22,359 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 273 transitions. [2024-11-13 22:24:22,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 22:24:22,359 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:24:22,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:24:22,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:24:22,396 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:24:23,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:24:23,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 139 states and 272 transitions. [2024-11-13 22:24:23,430 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 272 transitions. [2024-11-13 22:24:23,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 22:24:23,431 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:24:23,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:24:23,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:24:25,672 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:24:41,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:24:41,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 148 states and 292 transitions. [2024-11-13 22:24:41,565 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 292 transitions. [2024-11-13 22:24:41,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 22:24:41,565 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:24:41,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:24:41,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:24:41,585 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 22:24:43,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:24:43,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 150 states and 298 transitions. [2024-11-13 22:24:43,781 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 298 transitions. [2024-11-13 22:24:43,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 22:24:43,781 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:24:43,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:24:43,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:24:43,817 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 22:24:45,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:24:45,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 152 states and 304 transitions. [2024-11-13 22:24:45,421 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 304 transitions. [2024-11-13 22:24:45,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 22:24:45,422 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:24:45,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:24:45,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:24:46,368 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:24:50,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:24:50,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 155 states and 309 transitions. [2024-11-13 22:24:50,105 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 309 transitions. [2024-11-13 22:24:50,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 22:24:50,106 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:24:50,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:24:50,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:24:51,774 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:25:02,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:25:02,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 162 states and 332 transitions. [2024-11-13 22:25:02,051 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 332 transitions. [2024-11-13 22:25:02,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 22:25:02,052 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:25:02,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:25:02,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:25:02,956 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 22:25:13,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:25:13,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 169 states and 354 transitions. [2024-11-13 22:25:13,981 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 354 transitions. [2024-11-13 22:25:13,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 22:25:13,981 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:25:13,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:25:14,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:25:16,986 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:25:24,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:25:24,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 171 states and 358 transitions. [2024-11-13 22:25:24,084 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 358 transitions. [2024-11-13 22:25:24,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 22:25:24,085 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:25:24,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:25:24,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:25:24,159 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 22:25:25,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:25:25,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 171 states and 357 transitions. [2024-11-13 22:25:25,446 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 357 transitions. [2024-11-13 22:25:25,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 22:25:25,447 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:25:25,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:25:25,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:25:25,966 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:25:31,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:25:31,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 175 states and 370 transitions. [2024-11-13 22:25:31,212 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 370 transitions. [2024-11-13 22:25:31,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 22:25:31,213 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:25:31,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:25:31,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:25:31,250 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 22:25:32,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:25:32,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 175 states and 369 transitions. [2024-11-13 22:25:32,757 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 369 transitions. [2024-11-13 22:25:32,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 22:25:32,757 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:25:32,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:25:32,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:25:37,147 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:26:03,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:26:03,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 186 states and 404 transitions. [2024-11-13 22:26:03,471 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 404 transitions. [2024-11-13 22:26:03,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 22:26:03,472 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:26:03,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:26:03,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:26:03,509 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 22:26:06,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:26:06,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 188 states and 406 transitions. [2024-11-13 22:26:06,539 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 406 transitions. [2024-11-13 22:26:06,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 22:26:06,539 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:26:06,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:26:06,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:26:06,577 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 22:26:08,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:26:08,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 190 states and 408 transitions. [2024-11-13 22:26:08,234 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 408 transitions. [2024-11-13 22:26:08,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 22:26:08,235 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:26:08,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:26:08,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:26:11,309 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:26:19,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:26:19,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 194 states and 422 transitions. [2024-11-13 22:26:19,622 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 422 transitions. [2024-11-13 22:26:19,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 22:26:19,623 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:26:19,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:26:19,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:26:20,645 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:26:25,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:26:25,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 196 states and 429 transitions. [2024-11-13 22:26:25,838 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 429 transitions. [2024-11-13 22:26:25,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-13 22:26:25,839 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:26:25,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:26:25,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:26:26,467 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:26:29,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:26:29,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 196 states and 428 transitions. [2024-11-13 22:26:29,038 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 428 transitions. [2024-11-13 22:26:29,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-13 22:26:29,039 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:26:29,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:26:29,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:26:29,057 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:26:29,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:26:29,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:26:29,166 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:26:29,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:26:29,231 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 56 iterations. [2024-11-13 22:26:29,294 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:26:29 ImpRootNode [2024-11-13 22:26:29,294 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:26:29,295 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:26:29,297 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:26:29,298 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:26:29,299 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:22:30" (3/4) ... [2024-11-13 22:26:29,300 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-13 22:26:29,369 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9939b847-39de-4ae0-9c27-052526ee58fe/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 22:26:29,371 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:26:29,372 INFO L158 Benchmark]: Toolchain (without parser) took 239967.89ms. Allocated memory was 117.4MB in the beginning and 1.0GB in the end (delta: 889.2MB). Free memory was 91.8MB in the beginning and 366.6MB in the end (delta: -274.8MB). Peak memory consumption was 610.7MB. Max. memory is 16.1GB. [2024-11-13 22:26:29,374 INFO L158 Benchmark]: CDTParser took 1.77ms. Allocated memory is still 83.9MB. Free memory is still 41.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:26:29,374 INFO L158 Benchmark]: CACSL2BoogieTranslator took 545.26ms. Allocated memory is still 117.4MB. Free memory was 91.8MB in the beginning and 74.8MB in the end (delta: 17.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:26:29,374 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.34ms. Allocated memory is still 117.4MB. Free memory was 74.8MB in the beginning and 73.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:26:29,376 INFO L158 Benchmark]: Boogie Preprocessor took 27.85ms. Allocated memory is still 117.4MB. Free memory was 73.3MB in the beginning and 72.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:26:29,376 INFO L158 Benchmark]: RCFGBuilder took 751.12ms. Allocated memory is still 117.4MB. Free memory was 72.3MB in the beginning and 53.6MB in the end (delta: 18.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 22:26:29,377 INFO L158 Benchmark]: CodeCheck took 238509.50ms. Allocated memory was 117.4MB in the beginning and 1.0GB in the end (delta: 889.2MB). Free memory was 53.6MB in the beginning and 370.0MB in the end (delta: -316.3MB). Peak memory consumption was 568.8MB. Max. memory is 16.1GB. [2024-11-13 22:26:29,379 INFO L158 Benchmark]: Witness Printer took 76.11ms. Allocated memory is still 1.0GB. Free memory was 370.0MB in the beginning and 366.6MB in the end (delta: 3.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:26:29,381 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 41 locations, 17 error locations. Started 1 CEGAR loops. OverallTime: 238.4s, OverallIterations: 56, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 8645 SdHoareTripleChecker+Valid, 82.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7109 mSDsluCounter, 6358 SdHoareTripleChecker+Invalid, 72.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5174 mSDsCounter, 9804 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 37147 IncrementalHoareTripleChecker+Invalid, 46951 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9804 mSolverCounterUnsat, 1184 mSDtfsCounter, 37147 mSolverCounterSat, 1.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7549 GetRequests, 6623 SyntacticMatches, 124 SemanticMatches, 802 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 290594 ImplicationChecksByTransitivity, 225.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 35.7s InterpolantComputationTime, 716 NumberOfCodeBlocks, 716 NumberOfCodeBlocksAsserted, 56 NumberOfCheckSat, 643 ConstructedInterpolants, 0 QuantifiedInterpolants, 4678 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 55 InterpolantComputations, 42 PerfectInterpolantSequences, 68/151 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: -1]: pointer dereference may fail pointer dereference may fail We found a FailurePath: [L538] int in_len = __VERIFIER_nondet_int(); [L539] COND FALSE !(in_len < 1) [L540] char* in = __builtin_alloca (in_len); VAL [in={2:0}, in_len=1] [L541] in[in_len-1]=0 [L542] int out_len = __VERIFIER_nondet_int(); [L543] COND FALSE !(out_len < 1) [L544] char* out = __builtin_alloca (out_len); VAL [in={2:0}, out={3:0}, out_len=16260] [L545] out[out_len-1]=0 [L546] CALL strlcat(in, out, out_len) [L517] register char *d = dst; [L518] register const char *s = src; [L519] register size_t n = siz; [L520] size_t dlen; VAL [d={2:0}, n=16260, s={3:0}, siz=16260] [L521] EXPR \read(*d) [L521] *d != '\0' && n-- != 0 VAL [d={2:0}, n=16260, s={3:0}, siz=16260] [L521] COND FALSE !(*d != '\0' && n-- != 0) [L523] dlen = d - dst [L524] n = siz - dlen VAL [d={2:0}, dlen=0, n=16260, s={3:0}] [L525] COND FALSE !(n == 0) VAL [d={2:0}, dlen=0, n=16260, s={3:0}] [L527] EXPR \read(*s) VAL [d={2:0}, dlen=0, n=16260, s={3:0}] [L527] COND TRUE *s != '\0' [L528] COND TRUE n != 1 [L529] EXPR d++ VAL [d={2:1}, dlen=0, n=16260, s={3:0}] [L529] EXPR \read(*s) VAL [d={2:1}, dlen=0, n=16260, s={3:0}] [L529] *d++ = *s [L530] n-- VAL [d={2:1}, dlen=0, n=16259, s={3:0}] [L532] s++ VAL [d={2:1}, dlen=0, n=16259, s={3:1}] [L527] EXPR \read(*s) VAL [d={2:1}, dlen=0, n=16259, s={3:1}] [L527] COND FALSE !(*s != '\0') [L534] *d = '\0' * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.77ms. Allocated memory is still 83.9MB. Free memory is still 41.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 545.26ms. Allocated memory is still 117.4MB. Free memory was 91.8MB in the beginning and 74.8MB in the end (delta: 17.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.34ms. Allocated memory is still 117.4MB. Free memory was 74.8MB in the beginning and 73.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 27.85ms. Allocated memory is still 117.4MB. Free memory was 73.3MB in the beginning and 72.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 751.12ms. Allocated memory is still 117.4MB. Free memory was 72.3MB in the beginning and 53.6MB in the end (delta: 18.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 238509.50ms. Allocated memory was 117.4MB in the beginning and 1.0GB in the end (delta: 889.2MB). Free memory was 53.6MB in the beginning and 370.0MB in the end (delta: -316.3MB). Peak memory consumption was 568.8MB. Max. memory is 16.1GB. * Witness Printer took 76.11ms. Allocated memory is still 1.0GB. Free memory was 370.0MB in the beginning and 366.6MB in the end (delta: 3.4MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-13 22:26:29,426 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9939b847-39de-4ae0-9c27-052526ee58fe/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-deref)