./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety/openbsd_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_38f94608-81d4-4cb9-9b6a-40cc55d8006e/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38f94608-81d4-4cb9-9b6a-40cc55d8006e/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_38f94608-81d4-4cb9-9b6a-40cc55d8006e/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38f94608-81d4-4cb9-9b6a-40cc55d8006e/bin/ukojak-verify-afCqCEvfdi/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/openbsd_cstrncpy-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38f94608-81d4-4cb9-9b6a-40cc55d8006e/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_38f94608-81d4-4cb9-9b6a-40cc55d8006e/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 57855fd15a600148bf8b2d693e60ae0827a95c157ed69e07e1c42c75fda7c9c4 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:19:16,212 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:19:16,355 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38f94608-81d4-4cb9-9b6a-40cc55d8006e/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-24 22:19:16,372 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:19:16,373 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:19:16,419 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:19:16,421 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:19:16,422 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:19:16,423 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:19:16,429 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:19:16,430 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:19:16,431 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:19:16,433 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:19:16,435 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-24 22:19:16,435 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-24 22:19:16,436 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-24 22:19:16,437 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:19:16,437 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:19:16,438 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:19:16,438 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:19:16,439 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:19:16,440 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:19:16,440 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:19:16,441 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:19:16,442 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:19:16,443 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:19:16,443 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:19:16,444 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:19:16,444 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:19:16,445 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_38f94608-81d4-4cb9-9b6a-40cc55d8006e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38f94608-81d4-4cb9-9b6a-40cc55d8006e/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 57855fd15a600148bf8b2d693e60ae0827a95c157ed69e07e1c42c75fda7c9c4 [2023-11-24 22:19:16,799 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:19:16,831 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:19:16,834 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:19:16,836 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:19:16,837 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:19:16,838 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38f94608-81d4-4cb9-9b6a-40cc55d8006e/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/array-memsafety/openbsd_cstrncpy-alloca-2.i [2023-11-24 22:19:19,952 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:19:20,212 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:19:20,213 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38f94608-81d4-4cb9-9b6a-40cc55d8006e/sv-benchmarks/c/array-memsafety/openbsd_cstrncpy-alloca-2.i [2023-11-24 22:19:20,228 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38f94608-81d4-4cb9-9b6a-40cc55d8006e/bin/ukojak-verify-afCqCEvfdi/data/61958542e/a2fad18ad2304d8383a71a1c7ca92ae8/FLAG182164315 [2023-11-24 22:19:20,243 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38f94608-81d4-4cb9-9b6a-40cc55d8006e/bin/ukojak-verify-afCqCEvfdi/data/61958542e/a2fad18ad2304d8383a71a1c7ca92ae8 [2023-11-24 22:19:20,253 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:19:20,254 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:19:20,258 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:19:20,258 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:19:20,263 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:19:20,264 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:19:20" (1/1) ... [2023-11-24 22:19:20,265 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5aef3b41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:20, skipping insertion in model container [2023-11-24 22:19:20,266 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:19:20" (1/1) ... [2023-11-24 22:19:20,326 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:19:20,700 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:19:20,716 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:19:20,791 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:19:20,837 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:19:20,837 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:20 WrapperNode [2023-11-24 22:19:20,837 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:19:20,839 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:19:20,839 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:19:20,839 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:19:20,846 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:20" (1/1) ... [2023-11-24 22:19:20,873 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:20" (1/1) ... [2023-11-24 22:19:20,901 INFO L138 Inliner]: procedures = 117, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 89 [2023-11-24 22:19:20,905 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:19:20,905 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:19:20,906 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:19:20,906 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:19:20,915 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:20" (1/1) ... [2023-11-24 22:19:20,916 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:20" (1/1) ... [2023-11-24 22:19:20,919 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:20" (1/1) ... [2023-11-24 22:19:20,920 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:20" (1/1) ... [2023-11-24 22:19:20,926 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:20" (1/1) ... [2023-11-24 22:19:20,929 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:20" (1/1) ... [2023-11-24 22:19:20,931 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:20" (1/1) ... [2023-11-24 22:19:20,932 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:20" (1/1) ... [2023-11-24 22:19:20,935 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:19:20,936 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:19:20,937 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:19:20,937 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:19:20,938 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:20" (1/1) ... [2023-11-24 22:19:20,943 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:19:20,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38f94608-81d4-4cb9-9b6a-40cc55d8006e/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:19:20,972 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38f94608-81d4-4cb9-9b6a-40cc55d8006e/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:19:20,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38f94608-81d4-4cb9-9b6a-40cc55d8006e/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:19:21,002 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 22:19:21,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 22:19:21,003 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:19:21,003 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:19:21,003 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:19:21,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:19:21,116 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:19:21,118 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:19:21,352 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:19:21,430 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:19:21,430 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-24 22:19:21,432 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:19:21 BoogieIcfgContainer [2023-11-24 22:19:21,432 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:19:21,433 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:19:21,434 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:19:21,444 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:19:21,444 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:19:21" (1/1) ... [2023-11-24 22:19:21,453 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:19:21,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:21,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 28 states and 34 transitions. [2023-11-24 22:19:21,519 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 34 transitions. [2023-11-24 22:19:21,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-24 22:19:21,522 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:21,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:21,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:21,785 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 22:19:21,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:21,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 27 states and 33 transitions. [2023-11-24 22:19:21,824 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 33 transitions. [2023-11-24 22:19:21,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-24 22:19:21,825 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:21,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:21,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:22,312 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 22:19:22,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:22,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 29 states and 37 transitions. [2023-11-24 22:19:22,653 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 37 transitions. [2023-11-24 22:19:22,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-24 22:19:22,655 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:22,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:22,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:23,040 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 22:19:23,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:23,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 28 states and 36 transitions. [2023-11-24 22:19:23,338 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 36 transitions. [2023-11-24 22:19:23,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-24 22:19:23,339 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:23,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:23,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:23,618 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 22:19:24,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:24,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 29 states and 38 transitions. [2023-11-24 22:19:24,181 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 38 transitions. [2023-11-24 22:19:24,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-24 22:19:24,183 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:24,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:24,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:24,480 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 22:19:25,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:25,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 32 states and 45 transitions. [2023-11-24 22:19:25,297 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 45 transitions. [2023-11-24 22:19:25,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-24 22:19:25,298 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:25,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:25,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:25,827 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 22:19:27,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:27,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 34 states and 50 transitions. [2023-11-24 22:19:27,096 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 50 transitions. [2023-11-24 22:19:27,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 22:19:27,097 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:27,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:27,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:27,369 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 22:19:28,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:28,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 36 states and 57 transitions. [2023-11-24 22:19:28,127 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 57 transitions. [2023-11-24 22:19:28,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 22:19:28,128 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:28,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:28,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:28,367 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 22:19:28,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:28,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 38 states and 60 transitions. [2023-11-24 22:19:28,871 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 60 transitions. [2023-11-24 22:19:28,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 22:19:28,872 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:28,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:28,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:29,275 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 22:19:30,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:30,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 41 states and 66 transitions. [2023-11-24 22:19:30,618 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 66 transitions. [2023-11-24 22:19:30,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 22:19:30,621 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:30,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:30,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:31,372 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 22:19:33,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:33,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 38 states and 59 transitions. [2023-11-24 22:19:33,200 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 59 transitions. [2023-11-24 22:19:33,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 22:19:33,201 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:33,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:33,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:34,020 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 22:19:35,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:35,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 32 states and 44 transitions. [2023-11-24 22:19:35,223 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 44 transitions. [2023-11-24 22:19:35,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 22:19:35,224 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:35,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:35,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:36,110 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 22:19:39,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:39,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 37 states and 54 transitions. [2023-11-24 22:19:39,186 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 54 transitions. [2023-11-24 22:19:39,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 22:19:39,186 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:39,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:39,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:39,944 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 22:19:44,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:44,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 42 states and 64 transitions. [2023-11-24 22:19:44,377 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 64 transitions. [2023-11-24 22:19:44,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 22:19:44,378 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:44,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:44,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:44,464 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 22:19:45,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:45,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 43 states and 66 transitions. [2023-11-24 22:19:45,807 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 66 transitions. [2023-11-24 22:19:45,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 22:19:45,810 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:45,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:45,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:46,034 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 22:19:47,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:47,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 44 states and 69 transitions. [2023-11-24 22:19:47,749 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 69 transitions. [2023-11-24 22:19:47,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 22:19:47,750 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:47,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:47,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:48,251 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:19:50,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:50,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 45 states and 71 transitions. [2023-11-24 22:19:50,771 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 71 transitions. [2023-11-24 22:19:50,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 22:19:50,772 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:50,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:50,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:50,897 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 22:19:51,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:51,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 42 states and 58 transitions. [2023-11-24 22:19:51,762 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 58 transitions. [2023-11-24 22:19:51,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 22:19:51,763 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:51,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:51,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:51,967 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 22:19:53,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:53,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 39 states and 52 transitions. [2023-11-24 22:19:53,008 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 52 transitions. [2023-11-24 22:19:53,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 22:19:53,009 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:53,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:53,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:53,095 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 22:19:54,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:54,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 36 states and 47 transitions. [2023-11-24 22:19:54,041 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 47 transitions. [2023-11-24 22:19:54,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 22:19:54,042 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:54,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:54,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:54,479 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 22:19:56,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:56,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 41 states and 57 transitions. [2023-11-24 22:19:56,175 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 57 transitions. [2023-11-24 22:19:56,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 22:19:56,175 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:56,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:56,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:58,391 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 22:20:09,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:20:09,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 50 states and 77 transitions. [2023-11-24 22:20:09,159 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 77 transitions. [2023-11-24 22:20:09,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 22:20:09,160 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:20:09,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:20:09,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:20:09,209 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 22:20:12,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:20:12,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 53 states and 86 transitions. [2023-11-24 22:20:12,024 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 86 transitions. [2023-11-24 22:20:12,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 22:20:12,024 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:20:12,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:20:12,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat