./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/termination-15/cstrcpy_mixed_alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 9bd2c7ff 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_5453bf85-3636-4db1-9600-dff53e64e56d/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5453bf85-3636-4db1-9600-dff53e64e56d/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5453bf85-3636-4db1-9600-dff53e64e56d/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5453bf85-3636-4db1-9600-dff53e64e56d/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/termination-15/cstrcpy_mixed_alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5453bf85-3636-4db1-9600-dff53e64e56d/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5453bf85-3636-4db1-9600-dff53e64e56d/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 042bf93dbb8c5bbe3967b75ad3452e25eaf29960f1f46ba7421ec842aefc346e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:34:41,872 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:34:41,941 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5453bf85-3636-4db1-9600-dff53e64e56d/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf [2023-11-19 02:34:41,946 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:34:41,947 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:34:41,972 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:34:41,973 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:34:41,974 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:34:41,975 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:34:41,975 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:34:41,976 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:34:41,977 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 02:34:41,977 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 02:34:41,978 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 02:34:41,978 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:34:41,979 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:34:41,979 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:34:41,980 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:34:41,981 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:34:41,981 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:34:41,982 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:34:41,982 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:34:41,983 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:34:41,983 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:34:41,984 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:34:41,984 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:34:41,985 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_5453bf85-3636-4db1-9600-dff53e64e56d/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5453bf85-3636-4db1-9600-dff53e64e56d/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 042bf93dbb8c5bbe3967b75ad3452e25eaf29960f1f46ba7421ec842aefc346e [2023-11-19 02:34:42,290 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:34:42,324 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:34:42,327 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:34:42,329 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:34:42,329 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:34:42,331 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5453bf85-3636-4db1-9600-dff53e64e56d/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/termination-15/cstrcpy_mixed_alloca.i [2023-11-19 02:34:45,461 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:34:45,709 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:34:45,710 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5453bf85-3636-4db1-9600-dff53e64e56d/sv-benchmarks/c/termination-15/cstrcpy_mixed_alloca.i [2023-11-19 02:34:45,729 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5453bf85-3636-4db1-9600-dff53e64e56d/bin/ukojak-verify-G8NBE6pJGL/data/17e8fb6b8/90a6b88776374e55bcd3c965cf7defd9/FLAG146661773 [2023-11-19 02:34:45,750 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5453bf85-3636-4db1-9600-dff53e64e56d/bin/ukojak-verify-G8NBE6pJGL/data/17e8fb6b8/90a6b88776374e55bcd3c965cf7defd9 [2023-11-19 02:34:45,757 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:34:45,759 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:34:45,763 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:34:45,764 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:34:45,770 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:34:45,773 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:34:45" (1/1) ... [2023-11-19 02:34:45,775 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72efb341 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:34:45, skipping insertion in model container [2023-11-19 02:34:45,775 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:34:45" (1/1) ... [2023-11-19 02:34:45,836 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:34:46,232 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:34:46,245 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:34:46,303 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:34:46,341 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:34:46,342 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:34:46 WrapperNode [2023-11-19 02:34:46,342 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:34:46,344 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:34:46,344 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:34:46,344 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:34:46,352 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:34:46" (1/1) ... [2023-11-19 02:34:46,375 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:34:46" (1/1) ... [2023-11-19 02:34:46,406 INFO L138 Inliner]: procedures = 152, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 59 [2023-11-19 02:34:46,406 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:34:46,407 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:34:46,407 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:34:46,408 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:34:46,417 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:34:46" (1/1) ... [2023-11-19 02:34:46,417 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:34:46" (1/1) ... [2023-11-19 02:34:46,431 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:34:46" (1/1) ... [2023-11-19 02:34:46,432 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:34:46" (1/1) ... [2023-11-19 02:34:46,439 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:34:46" (1/1) ... [2023-11-19 02:34:46,452 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:34:46" (1/1) ... [2023-11-19 02:34:46,454 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:34:46" (1/1) ... [2023-11-19 02:34:46,456 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:34:46" (1/1) ... [2023-11-19 02:34:46,463 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:34:46,466 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:34:46,467 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:34:46,467 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:34:46,469 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:34:46" (1/1) ... [2023-11-19 02:34:46,474 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:34:46,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5453bf85-3636-4db1-9600-dff53e64e56d/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:34:46,501 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5453bf85-3636-4db1-9600-dff53e64e56d/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:34:46,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5453bf85-3636-4db1-9600-dff53e64e56d/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:34:46,548 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 02:34:46,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 02:34:46,548 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 02:34:46,549 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:34:46,549 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:34:46,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:34:46,674 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:34:46,676 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:34:46,909 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:34:46,993 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:34:46,994 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 02:34:46,998 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:34:46 BoogieIcfgContainer [2023-11-19 02:34:46,998 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:34:46,999 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:34:47,000 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:34:47,013 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:34:47,014 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:34:46" (1/1) ... [2023-11-19 02:34:47,024 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:34:47,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:34:47,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 17 states and 19 transitions. [2023-11-19 02:34:47,083 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2023-11-19 02:34:47,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 02:34:47,086 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:34:47,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:34:47,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:34:47,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:34:47,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:34:47,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 18 states and 20 transitions. [2023-11-19 02:34:47,285 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2023-11-19 02:34:47,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 02:34:47,286 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:34:47,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:34:47,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:34:47,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:34:47,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:34:47,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 17 states and 19 transitions. [2023-11-19 02:34:47,626 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2023-11-19 02:34:47,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 02:34:47,626 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:34:47,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:34:47,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:34:47,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:34:48,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:34:48,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2023-11-19 02:34:48,171 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2023-11-19 02:34:48,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 02:34:48,173 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:34:48,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:34:48,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:34:48,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:34:48,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:34:48,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 18 states and 20 transitions. [2023-11-19 02:34:48,440 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2023-11-19 02:34:48,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 02:34:48,440 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:34:48,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:34:48,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:34:48,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:34:49,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:34:49,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 20 states and 23 transitions. [2023-11-19 02:34:49,445 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2023-11-19 02:34:49,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 02:34:49,448 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:34:49,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:34:49,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:34:49,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:34:50,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:34:50,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 23 states and 28 transitions. [2023-11-19 02:34:50,649 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 28 transitions. [2023-11-19 02:34:50,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 02:34:50,650 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:34:50,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:34:50,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:34:51,143 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:34:53,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:34:53,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 26 states and 32 transitions. [2023-11-19 02:34:53,160 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 32 transitions. [2023-11-19 02:34:53,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 02:34:53,160 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:34:53,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:34:53,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:34:53,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:34:55,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:34:55,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 31 states and 43 transitions. [2023-11-19 02:34:55,522 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2023-11-19 02:34:55,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 02:34:55,522 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:34:55,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:34:55,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:34:55,574 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 02:34:56,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:34:56,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 33 states and 46 transitions. [2023-11-19 02:34:56,740 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2023-11-19 02:34:56,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 02:34:56,741 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:34:56,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:34:56,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:34:57,611 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:35:01,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:35:01,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 39 states and 54 transitions. [2023-11-19 02:35:01,653 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2023-11-19 02:35:01,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 02:35:01,654 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:35:01,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:35:01,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:35:01,809 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:35:04,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:35:04,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 43 states and 61 transitions. [2023-11-19 02:35:04,830 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 61 transitions. [2023-11-19 02:35:04,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 02:35:04,831 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:35:04,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:35:04,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:35:06,500 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:35:13,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:35:13,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 49 states and 78 transitions. [2023-11-19 02:35:13,719 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 78 transitions. [2023-11-19 02:35:13,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 02:35:13,720 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:35:13,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:35:13,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:35:13,940 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 02:35:15,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:35:15,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 51 states and 79 transitions. [2023-11-19 02:35:15,290 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 79 transitions. [2023-11-19 02:35:15,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 02:35:15,291 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:35:15,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:35:15,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:35:15,414 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:35:16,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:35:16,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 51 states and 78 transitions. [2023-11-19 02:35:16,152 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 78 transitions. [2023-11-19 02:35:16,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 02:35:16,153 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:35:16,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:35:16,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:35:18,916 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:35:28,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:35:28,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 57 states and 94 transitions. [2023-11-19 02:35:28,572 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 94 transitions. [2023-11-19 02:35:28,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 02:35:28,573 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:35:28,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:35:28,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:35:31,028 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.