./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/termination-15/cstrcpy_malloc.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d632433a-12c7-4b82-ab2e-d61da9770ac9/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d632433a-12c7-4b82-ab2e-d61da9770ac9/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d632433a-12c7-4b82-ab2e-d61da9770ac9/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d632433a-12c7-4b82-ab2e-d61da9770ac9/bin/ukojak-verify-0OAaufAVZV/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/termination-15/cstrcpy_malloc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d632433a-12c7-4b82-ab2e-d61da9770ac9/bin/ukojak-verify-0OAaufAVZV/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d632433a-12c7-4b82-ab2e-d61da9770ac9/bin/ukojak-verify-0OAaufAVZV --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 b3793c1153138718c278bf2758234e75646fb19e62e98d110099399474912470 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:43:18,027 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:43:18,187 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d632433a-12c7-4b82-ab2e-d61da9770ac9/bin/ukojak-verify-0OAaufAVZV/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf [2023-11-11 23:43:18,198 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:43:18,200 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:43:18,249 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:43:18,251 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:43:18,251 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:43:18,253 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:43:18,259 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:43:18,260 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:43:18,261 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-11 23:43:18,262 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-11 23:43:18,264 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-11 23:43:18,264 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:43:18,265 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:43:18,265 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:43:18,266 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:43:18,266 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:43:18,268 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:43:18,268 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:43:18,269 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:43:18,269 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:43:18,270 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:43:18,270 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:43:18,271 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_d632433a-12c7-4b82-ab2e-d61da9770ac9/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d632433a-12c7-4b82-ab2e-d61da9770ac9/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b3793c1153138718c278bf2758234e75646fb19e62e98d110099399474912470 [2023-11-11 23:43:18,607 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:43:18,646 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:43:18,649 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:43:18,651 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:43:18,652 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:43:18,654 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d632433a-12c7-4b82-ab2e-d61da9770ac9/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/termination-15/cstrcpy_malloc.i [2023-11-11 23:43:22,073 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:43:22,591 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:43:22,592 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d632433a-12c7-4b82-ab2e-d61da9770ac9/sv-benchmarks/c/termination-15/cstrcpy_malloc.i [2023-11-11 23:43:22,613 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d632433a-12c7-4b82-ab2e-d61da9770ac9/bin/ukojak-verify-0OAaufAVZV/data/1a98ccdfb/121485829df342419940772264facd0c/FLAG5a9ae4bcb [2023-11-11 23:43:22,633 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d632433a-12c7-4b82-ab2e-d61da9770ac9/bin/ukojak-verify-0OAaufAVZV/data/1a98ccdfb/121485829df342419940772264facd0c [2023-11-11 23:43:22,636 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:43:22,637 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:43:22,639 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:43:22,639 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:43:22,646 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:43:22,646 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:43:22" (1/1) ... [2023-11-11 23:43:22,648 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45ce03a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:43:22, skipping insertion in model container [2023-11-11 23:43:22,648 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:43:22" (1/1) ... [2023-11-11 23:43:22,701 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:43:23,121 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:43:23,129 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:43:23,176 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:43:23,225 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:43:23,226 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:43:23 WrapperNode [2023-11-11 23:43:23,226 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:43:23,227 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:43:23,228 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:43:23,228 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:43:23,237 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:43:23" (1/1) ... [2023-11-11 23:43:23,253 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:43:23" (1/1) ... [2023-11-11 23:43:23,282 INFO L138 Inliner]: procedures = 152, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 60 [2023-11-11 23:43:23,282 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:43:23,283 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:43:23,283 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:43:23,284 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:43:23,295 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:43:23" (1/1) ... [2023-11-11 23:43:23,295 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:43:23" (1/1) ... [2023-11-11 23:43:23,298 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:43:23" (1/1) ... [2023-11-11 23:43:23,299 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:43:23" (1/1) ... [2023-11-11 23:43:23,306 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:43:23" (1/1) ... [2023-11-11 23:43:23,310 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:43:23" (1/1) ... [2023-11-11 23:43:23,312 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:43:23" (1/1) ... [2023-11-11 23:43:23,313 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:43:23" (1/1) ... [2023-11-11 23:43:23,316 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:43:23,317 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:43:23,318 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:43:23,318 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:43:23,319 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:43:23" (1/1) ... [2023-11-11 23:43:23,327 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:43:23,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d632433a-12c7-4b82-ab2e-d61da9770ac9/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:43:23,358 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d632433a-12c7-4b82-ab2e-d61da9770ac9/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:43:23,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d632433a-12c7-4b82-ab2e-d61da9770ac9/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:43:23,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-11 23:43:23,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-11 23:43:23,402 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-11 23:43:23,402 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:43:23,403 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:43:23,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:43:23,536 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:43:23,539 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:43:23,828 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:43:23,907 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:43:23,907 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-11 23:43:23,911 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:43:23 BoogieIcfgContainer [2023-11-11 23:43:23,911 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:43:23,912 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:43:23,912 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:43:23,925 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:43:23,926 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:43:23" (1/1) ... [2023-11-11 23:43:23,937 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:43:24,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:43:24,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 29 states and 31 transitions. [2023-11-11 23:43:24,024 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 31 transitions. [2023-11-11 23:43:24,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-11 23:43:24,027 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:43:24,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:43:24,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:43:24,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:43:24,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:43:24,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 30 states and 32 transitions. [2023-11-11 23:43:24,298 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 32 transitions. [2023-11-11 23:43:24,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-11 23:43:24,298 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:43:24,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:43:24,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:43:24,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:43:24,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:43:24,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 29 states and 31 transitions. [2023-11-11 23:43:24,594 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 31 transitions. [2023-11-11 23:43:24,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-11 23:43:24,594 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:43:24,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:43:24,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:43:25,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:43:25,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:43:25,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 28 states and 30 transitions. [2023-11-11 23:43:25,500 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 30 transitions. [2023-11-11 23:43:25,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-11 23:43:25,501 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:43:25,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:43:25,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:43:25,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:43:25,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:43:25,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 30 states and 32 transitions. [2023-11-11 23:43:25,895 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 32 transitions. [2023-11-11 23:43:25,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-11 23:43:25,896 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:43:25,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:43:25,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:43:26,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:43:26,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:43:26,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 32 states and 35 transitions. [2023-11-11 23:43:26,757 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 35 transitions. [2023-11-11 23:43:26,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-11 23:43:26,763 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:43:26,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:43:26,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:43:27,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:43:28,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:43:28,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 35 states and 40 transitions. [2023-11-11 23:43:28,158 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 40 transitions. [2023-11-11 23:43:28,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-11 23:43:28,159 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:43:28,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:43:28,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:43:28,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:43:31,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:43:31,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 38 states and 45 transitions. [2023-11-11 23:43:31,221 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 45 transitions. [2023-11-11 23:43:31,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-11 23:43:31,225 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:43:31,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:43:31,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:43:31,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:43:32,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:43:32,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 44 states and 57 transitions. [2023-11-11 23:43:32,698 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 57 transitions. [2023-11-11 23:43:32,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-11 23:43:32,700 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:43:32,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:43:32,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:43:33,560 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:43:36,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:43:36,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 50 states and 68 transitions. [2023-11-11 23:43:36,963 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 68 transitions. [2023-11-11 23:43:36,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-11 23:43:36,964 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:43:36,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:43:36,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:43:37,029 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:43:38,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:43:38,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 52 states and 72 transitions. [2023-11-11 23:43:38,602 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 72 transitions. [2023-11-11 23:43:38,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-11 23:43:38,603 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:43:38,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:43:38,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:43:38,764 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:43:42,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:43:42,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 59 states and 84 transitions. [2023-11-11 23:43:42,550 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 84 transitions. [2023-11-11 23:43:42,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-11 23:43:42,552 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:43:42,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:43:42,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:43:45,213 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:43:53,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:43:53,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 66 states and 100 transitions. [2023-11-11 23:43:53,842 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 100 transitions. [2023-11-11 23:43:53,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-11 23:43:53,843 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:43:53,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:43:53,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:43:54,120 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:43:56,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:43:56,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 69 states and 107 transitions. [2023-11-11 23:43:56,715 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 107 transitions. [2023-11-11 23:43:56,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-11 23:43:56,716 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:43:56,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:43:56,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:43:57,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:44:02,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:02,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 77 states and 125 transitions. [2023-11-11 23:44:02,993 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 125 transitions. [2023-11-11 23:44:02,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-11 23:44:02,995 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:02,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:03,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:03,036 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:44:09,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:09,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 86 states and 144 transitions. [2023-11-11 23:44:09,283 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 144 transitions. [2023-11-11 23:44:09,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-11 23:44:09,285 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:09,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:09,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:09,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.