./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety/cstrncpy-alloca-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7eea5fd9-df5a-49ef-b05a-dc4de220c3c6/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7eea5fd9-df5a-49ef-b05a-dc4de220c3c6/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7eea5fd9-df5a-49ef-b05a-dc4de220c3c6/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7eea5fd9-df5a-49ef-b05a-dc4de220c3c6/bin/ukojak-verify-afCqCEvfdi/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/cstrncpy-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7eea5fd9-df5a-49ef-b05a-dc4de220c3c6/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7eea5fd9-df5a-49ef-b05a-dc4de220c3c6/bin/ukojak-verify-afCqCEvfdi --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 32bit --witnessprinter.graph.data.programhash 8246e56f0c6a2a64017cfdd94b26580c43f90ed61973daa969baf2d0942f8a17 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:12:52,437 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:12:52,512 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7eea5fd9-df5a-49ef-b05a-dc4de220c3c6/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-24 23:12:52,517 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:12:52,518 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:12:52,576 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:12:52,578 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:12:52,578 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:12:52,579 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:12:52,584 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:12:52,585 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:12:52,586 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:12:52,586 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:12:52,588 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-24 23:12:52,588 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-24 23:12:52,588 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-24 23:12:52,589 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:12:52,589 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:12:52,590 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:12:52,590 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:12:52,591 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:12:52,591 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:12:52,592 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:12:52,593 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:12:52,593 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:12:52,594 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:12:52,594 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:12:52,594 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:12:52,595 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:12:52,595 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_7eea5fd9-df5a-49ef-b05a-dc4de220c3c6/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7eea5fd9-df5a-49ef-b05a-dc4de220c3c6/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8246e56f0c6a2a64017cfdd94b26580c43f90ed61973daa969baf2d0942f8a17 [2023-11-24 23:12:52,905 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:12:52,933 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:12:52,936 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:12:52,938 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:12:52,939 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:12:52,941 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7eea5fd9-df5a-49ef-b05a-dc4de220c3c6/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/array-memsafety/cstrncpy-alloca-2.i [2023-11-24 23:12:56,012 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:12:56,314 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:12:56,314 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7eea5fd9-df5a-49ef-b05a-dc4de220c3c6/sv-benchmarks/c/array-memsafety/cstrncpy-alloca-2.i [2023-11-24 23:12:56,345 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7eea5fd9-df5a-49ef-b05a-dc4de220c3c6/bin/ukojak-verify-afCqCEvfdi/data/640054859/dd139ad2a9c14971af067b6cd547a3d4/FLAGd2e2c35a0 [2023-11-24 23:12:56,361 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7eea5fd9-df5a-49ef-b05a-dc4de220c3c6/bin/ukojak-verify-afCqCEvfdi/data/640054859/dd139ad2a9c14971af067b6cd547a3d4 [2023-11-24 23:12:56,364 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:12:56,366 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:12:56,367 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:12:56,368 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:12:56,375 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:12:56,379 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:12:56" (1/1) ... [2023-11-24 23:12:56,381 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a4f1e15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:56, skipping insertion in model container [2023-11-24 23:12:56,381 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:12:56" (1/1) ... [2023-11-24 23:12:56,456 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:12:56,803 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:12:56,822 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:12:56,913 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:12:56,955 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:12:56,955 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:56 WrapperNode [2023-11-24 23:12:56,955 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:12:56,957 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:12:56,957 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:12:56,957 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:12:56,966 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:56" (1/1) ... [2023-11-24 23:12:56,996 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:56" (1/1) ... [2023-11-24 23:12:57,033 INFO L138 Inliner]: procedures = 117, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 90 [2023-11-24 23:12:57,034 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:12:57,035 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:12:57,035 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:12:57,036 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:12:57,046 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:56" (1/1) ... [2023-11-24 23:12:57,046 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:56" (1/1) ... [2023-11-24 23:12:57,064 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:56" (1/1) ... [2023-11-24 23:12:57,065 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:56" (1/1) ... [2023-11-24 23:12:57,071 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:56" (1/1) ... [2023-11-24 23:12:57,075 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:56" (1/1) ... [2023-11-24 23:12:57,077 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:56" (1/1) ... [2023-11-24 23:12:57,079 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:56" (1/1) ... [2023-11-24 23:12:57,098 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:12:57,099 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:12:57,099 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:12:57,100 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:12:57,101 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:56" (1/1) ... [2023-11-24 23:12:57,107 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:12:57,120 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7eea5fd9-df5a-49ef-b05a-dc4de220c3c6/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:12:57,136 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7eea5fd9-df5a-49ef-b05a-dc4de220c3c6/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:12:57,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7eea5fd9-df5a-49ef-b05a-dc4de220c3c6/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:12:57,199 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:12:57,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:12:57,200 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:12:57,200 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:12:57,218 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:12:57,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:12:57,334 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:12:57,336 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:12:57,579 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:12:57,659 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:12:57,659 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-24 23:12:57,661 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:12:57 BoogieIcfgContainer [2023-11-24 23:12:57,662 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:12:57,663 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:12:57,663 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:12:57,675 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:12:57,676 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:12:57" (1/1) ... [2023-11-24 23:12:57,686 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:12:57,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:57,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 25 states and 29 transitions. [2023-11-24 23:12:57,752 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2023-11-24 23:12:57,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-24 23:12:57,754 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:57,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:57,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:58,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:12:58,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:58,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 24 states and 28 transitions. [2023-11-24 23:12:58,144 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2023-11-24 23:12:58,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-24 23:12:58,147 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:58,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:58,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:58,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:12:58,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:58,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 26 states and 32 transitions. [2023-11-24 23:12:58,856 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 32 transitions. [2023-11-24 23:12:58,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-24 23:12:58,857 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:58,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:58,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:59,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:12:59,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:59,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 25 states and 31 transitions. [2023-11-24 23:12:59,030 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 31 transitions. [2023-11-24 23:12:59,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-24 23:12:59,032 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:59,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:59,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:59,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:13:00,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:00,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 26 states and 33 transitions. [2023-11-24 23:13:00,035 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 33 transitions. [2023-11-24 23:13:00,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-24 23:13:00,037 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:00,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:00,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:00,517 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:13:01,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:01,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 29 states and 40 transitions. [2023-11-24 23:13:01,558 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2023-11-24 23:13:01,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-24 23:13:01,558 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:01,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:01,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:02,095 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:13:03,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:03,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 31 states and 45 transitions. [2023-11-24 23:13:03,469 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 45 transitions. [2023-11-24 23:13:03,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-24 23:13:03,469 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:03,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:03,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:03,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:13:03,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:03,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 33 states and 49 transitions. [2023-11-24 23:13:03,802 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 49 transitions. [2023-11-24 23:13:03,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-24 23:13:03,802 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:03,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:03,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:04,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:13:04,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:04,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 35 states and 54 transitions. [2023-11-24 23:13:04,846 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 54 transitions. [2023-11-24 23:13:04,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 23:13:04,847 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:04,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:04,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:05,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:13:06,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:06,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 37 states and 59 transitions. [2023-11-24 23:13:06,300 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 59 transitions. [2023-11-24 23:13:06,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 23:13:06,301 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:06,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:06,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:06,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:13:08,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:08,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 69 transitions. [2023-11-24 23:13:08,673 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 69 transitions. [2023-11-24 23:13:08,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 23:13:08,674 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:08,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:08,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:09,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:13:12,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:12,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 45 states and 80 transitions. [2023-11-24 23:13:12,343 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 80 transitions. [2023-11-24 23:13:12,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 23:13:12,344 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:12,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:12,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:13,250 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:13:17,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:17,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 40 states and 65 transitions. [2023-11-24 23:13:17,195 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 65 transitions. [2023-11-24 23:13:17,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 23:13:17,196 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:17,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:17,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:18,339 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:13:19,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:19,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 37 states and 53 transitions. [2023-11-24 23:13:19,956 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 53 transitions. [2023-11-24 23:13:19,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 23:13:19,957 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:19,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:19,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:20,046 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 23:13:21,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:21,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 38 states and 55 transitions. [2023-11-24 23:13:21,208 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 55 transitions. [2023-11-24 23:13:21,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 23:13:21,209 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:21,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:21,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:21,869 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 23:13:25,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:25,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 40 states and 61 transitions. [2023-11-24 23:13:25,383 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 61 transitions. [2023-11-24 23:13:25,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 23:13:25,384 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:25,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:25,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:25,930 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 23:13:27,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:27,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 41 states and 63 transitions. [2023-11-24 23:13:27,989 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 63 transitions. [2023-11-24 23:13:27,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 23:13:27,989 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:27,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:28,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:28,051 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 23:13:29,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:29,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 43 states and 66 transitions. [2023-11-24 23:13:29,495 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 66 transitions. [2023-11-24 23:13:29,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 23:13:29,496 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:29,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:29,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:30,729 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:13:35,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:35,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 48 states and 75 transitions. [2023-11-24 23:13:35,766 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 75 transitions. [2023-11-24 23:13:35,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 23:13:35,767 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:35,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:35,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:35,835 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-24 23:13:36,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:36,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 46 states and 71 transitions. [2023-11-24 23:13:36,723 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 71 transitions. [2023-11-24 23:13:36,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 23:13:36,724 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:36,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:36,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:37,257 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-24 23:13:38,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:38,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 44 states and 62 transitions. [2023-11-24 23:13:38,589 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 62 transitions. [2023-11-24 23:13:38,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 23:13:38,590 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:38,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:38,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:38,919 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 23:13:40,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:40,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 42 states and 58 transitions. [2023-11-24 23:13:40,274 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 58 transitions. [2023-11-24 23:13:40,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 23:13:40,277 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:40,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:40,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:41,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:13:44,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:44,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 47 states and 68 transitions. [2023-11-24 23:13:44,716 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 68 transitions. [2023-11-24 23:13:44,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 23:13:44,717 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:44,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:44,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat