./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/recursive/Fibonacci02.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability 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_5d8bc492-8fff-4f62-a786-095c3e4864ff/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d8bc492-8fff-4f62-a786-095c3e4864ff/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_5d8bc492-8fff-4f62-a786-095c3e4864ff/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d8bc492-8fff-4f62-a786-095c3e4864ff/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive/Fibonacci02.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d8bc492-8fff-4f62-a786-095c3e4864ff/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d8bc492-8fff-4f62-a786-095c3e4864ff/bin/ukojak-verify-0OAaufAVZV --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b7261cadd839cd02322bb28945f92ad1bd2170c0a65dd385996b5ff81cbb1de7 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:59:41,233 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:59:41,374 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d8bc492-8fff-4f62-a786-095c3e4864ff/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-11 23:59:41,384 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:59:41,385 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:59:41,421 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:59:41,423 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:59:41,423 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:59:41,425 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:59:41,430 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:59:41,431 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:59:41,431 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:59:41,432 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:59:41,433 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:59:41,434 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:59:41,434 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:59:41,435 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:59:41,435 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:59:41,436 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:59:41,436 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:59:41,437 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:59:41,437 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:59:41,438 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:59:41,438 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:59:41,439 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:59:41,440 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:59:41,440 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:59:41,441 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:59:41,441 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:59:41,442 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:59:41,443 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:59:41,443 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:59:41,444 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_5d8bc492-8fff-4f62-a786-095c3e4864ff/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d8bc492-8fff-4f62-a786-095c3e4864ff/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b7261cadd839cd02322bb28945f92ad1bd2170c0a65dd385996b5ff81cbb1de7 [2023-11-11 23:59:41,765 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:59:41,797 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:59:41,800 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:59:41,802 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:59:41,803 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:59:41,804 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d8bc492-8fff-4f62-a786-095c3e4864ff/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/recursive/Fibonacci02.c [2023-11-11 23:59:45,045 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:59:45,224 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:59:45,225 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d8bc492-8fff-4f62-a786-095c3e4864ff/sv-benchmarks/c/recursive/Fibonacci02.c [2023-11-11 23:59:45,232 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d8bc492-8fff-4f62-a786-095c3e4864ff/bin/ukojak-verify-0OAaufAVZV/data/e44acdd50/c05db9a53ddc4afb9f3a5311c471d33e/FLAG29b8fa971 [2023-11-11 23:59:45,246 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d8bc492-8fff-4f62-a786-095c3e4864ff/bin/ukojak-verify-0OAaufAVZV/data/e44acdd50/c05db9a53ddc4afb9f3a5311c471d33e [2023-11-11 23:59:45,249 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:59:45,251 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:59:45,252 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:59:45,253 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:59:45,259 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:59:45,260 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:59:45" (1/1) ... [2023-11-11 23:59:45,262 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76cebd79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:45, skipping insertion in model container [2023-11-11 23:59:45,263 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:59:45" (1/1) ... [2023-11-11 23:59:45,286 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:59:45,420 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d8bc492-8fff-4f62-a786-095c3e4864ff/sv-benchmarks/c/recursive/Fibonacci02.c[715,728] [2023-11-11 23:59:45,425 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:59:45,436 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:59:45,449 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d8bc492-8fff-4f62-a786-095c3e4864ff/sv-benchmarks/c/recursive/Fibonacci02.c[715,728] [2023-11-11 23:59:45,450 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:59:45,463 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:59:45,464 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:45 WrapperNode [2023-11-11 23:59:45,464 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:59:45,465 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:59:45,465 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:59:45,465 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:59:45,473 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:45" (1/1) ... [2023-11-11 23:59:45,479 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:45" (1/1) ... [2023-11-11 23:59:45,496 INFO L138 Inliner]: procedures = 13, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 20 [2023-11-11 23:59:45,496 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:59:45,497 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:59:45,497 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:59:45,497 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:59:45,506 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:45" (1/1) ... [2023-11-11 23:59:45,506 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:45" (1/1) ... [2023-11-11 23:59:45,507 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:45" (1/1) ... [2023-11-11 23:59:45,508 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:45" (1/1) ... [2023-11-11 23:59:45,510 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:45" (1/1) ... [2023-11-11 23:59:45,512 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:45" (1/1) ... [2023-11-11 23:59:45,513 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:45" (1/1) ... [2023-11-11 23:59:45,514 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:45" (1/1) ... [2023-11-11 23:59:45,516 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:59:45,517 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:59:45,517 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:59:45,517 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:59:45,518 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:45" (1/1) ... [2023-11-11 23:59:45,524 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:59:45,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d8bc492-8fff-4f62-a786-095c3e4864ff/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:59:45,549 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d8bc492-8fff-4f62-a786-095c3e4864ff/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:59:45,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d8bc492-8fff-4f62-a786-095c3e4864ff/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:59:45,588 INFO L130 BoogieDeclarations]: Found specification of procedure fibonacci [2023-11-11 23:59:45,588 INFO L138 BoogieDeclarations]: Found implementation of procedure fibonacci [2023-11-11 23:59:45,589 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:59:45,589 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:59:45,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:59:45,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:59:45,655 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:59:45,660 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:59:45,792 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:59:45,809 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:59:45,809 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-11 23:59:45,812 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:59:45 BoogieIcfgContainer [2023-11-11 23:59:45,813 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:59:45,814 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:59:45,814 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:59:45,826 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:59:45,826 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:59:45" (1/1) ... [2023-11-11 23:59:45,837 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:59:45,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:45,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2023-11-11 23:59:45,901 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2023-11-11 23:59:45,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-11 23:59:45,905 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:45,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:46,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:46,297 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 23:59:46,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:46,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 25 transitions. [2023-11-11 23:59:46,429 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 25 transitions. [2023-11-11 23:59:46,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-11 23:59:46,430 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:46,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:46,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:46,520 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 23:59:46,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:46,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 21 states and 29 transitions. [2023-11-11 23:59:46,663 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2023-11-11 23:59:46,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-11 23:59:46,665 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:46,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:46,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:46,956 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-11 23:59:47,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:47,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 21 states and 28 transitions. [2023-11-11 23:59:47,121 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2023-11-11 23:59:47,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-11 23:59:47,123 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:47,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:47,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:47,319 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-11 23:59:47,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:47,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 26 states and 40 transitions. [2023-11-11 23:59:47,631 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 40 transitions. [2023-11-11 23:59:47,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-11 23:59:47,637 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:47,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:47,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:48,066 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 23 proven. 8 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-11 23:59:48,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:48,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 29 states and 47 transitions. [2023-11-11 23:59:48,723 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2023-11-11 23:59:48,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-11 23:59:48,726 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:48,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:48,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:48,925 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 6 proven. 24 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-11 23:59:49,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:49,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 34 states and 62 transitions. [2023-11-11 23:59:49,324 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 62 transitions. [2023-11-11 23:59:49,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-11 23:59:49,328 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:49,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:49,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:49,605 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 47 proven. 28 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-11 23:59:50,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:50,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 34 states and 61 transitions. [2023-11-11 23:59:50,052 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 61 transitions. [2023-11-11 23:59:50,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-11 23:59:50,060 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:50,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:50,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:50,264 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 17 proven. 88 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-11-11 23:59:50,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:50,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 39 states and 78 transitions. [2023-11-11 23:59:50,719 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 78 transitions. [2023-11-11 23:59:50,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-11-11 23:59:50,733 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:50,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:50,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:51,192 INFO L134 CoverageAnalysis]: Checked inductivity of 417 backedges. 131 proven. 122 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2023-11-11 23:59:51,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:51,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 39 states and 77 transitions. [2023-11-11 23:59:51,597 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 77 transitions. [2023-11-11 23:59:51,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-11-11 23:59:51,610 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:51,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:51,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:51,954 INFO L134 CoverageAnalysis]: Checked inductivity of 933 backedges. 52 proven. 326 refuted. 0 times theorem prover too weak. 555 trivial. 0 not checked. [2023-11-11 23:59:52,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:52,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 44 states and 96 transitions. [2023-11-11 23:59:52,431 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 96 transitions. [2023-11-11 23:59:52,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2023-11-11 23:59:52,435 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:52,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:52,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:52,961 INFO L134 CoverageAnalysis]: Checked inductivity of 1403 backedges. 302 proven. 338 refuted. 0 times theorem prover too weak. 763 trivial. 0 not checked. [2023-11-11 23:59:53,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:53,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 44 states and 95 transitions. [2023-11-11 23:59:53,408 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 95 transitions. [2023-11-11 23:59:53,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2023-11-11 23:59:53,419 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:53,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:53,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:53,903 INFO L134 CoverageAnalysis]: Checked inductivity of 2241 backedges. 117 proven. 639 refuted. 0 times theorem prover too weak. 1485 trivial. 0 not checked. [2023-11-11 23:59:54,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:54,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 49 states and 116 transitions. [2023-11-11 23:59:54,390 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 116 transitions. [2023-11-11 23:59:54,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2023-11-11 23:59:54,396 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:54,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:54,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:55,311 INFO L134 CoverageAnalysis]: Checked inductivity of 6077 backedges. 849 proven. 1075 refuted. 0 times theorem prover too weak. 4153 trivial. 0 not checked. [2023-11-11 23:59:55,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:55,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 49 states and 115 transitions. [2023-11-11 23:59:55,818 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 115 transitions. [2023-11-11 23:59:55,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 407 [2023-11-11 23:59:55,828 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:55,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:55,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:56,634 INFO L134 CoverageAnalysis]: Checked inductivity of 9644 backedges. 262 proven. 1763 refuted. 0 times theorem prover too weak. 7619 trivial. 0 not checked. [2023-11-11 23:59:57,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:57,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 54 states and 138 transitions. [2023-11-11 23:59:57,184 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 138 transitions. [2023-11-11 23:59:57,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 677 [2023-11-11 23:59:57,203 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:57,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:57,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:59:58,906 INFO L134 CoverageAnalysis]: Checked inductivity of 27189 backedges. 497 proven. 3550 refuted. 0 times theorem prover too weak. 23142 trivial. 0 not checked. [2023-11-11 23:59:59,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:59,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 59 states and 164 transitions. [2023-11-11 23:59:59,503 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 164 transitions. [2023-11-11 23:59:59,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 571 [2023-11-11 23:59:59,519 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:59,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:59,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:00:01,009 INFO L134 CoverageAnalysis]: Checked inductivity of 19238 backedges. 2536 proven. 1523 refuted. 0 times theorem prover too weak. 15179 trivial. 0 not checked. [2023-11-12 00:00:01,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:00:01,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 61 states and 165 transitions. [2023-11-12 00:00:01,953 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 165 transitions. [2023-11-12 00:00:01,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 981 [2023-11-12 00:00:01,988 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:00:01,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:00:02,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:00:04,626 INFO L134 CoverageAnalysis]: Checked inductivity of 57573 backedges. 1046 proven. 5259 refuted. 0 times theorem prover too weak. 51268 trivial. 0 not checked. [2023-11-12 00:00:06,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:00:06,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 61 states and 106 transitions. [2023-11-12 00:00:06,344 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 106 transitions. [2023-11-12 00:00:06,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1357 [2023-11-12 00:00:06,423 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:00:06,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:00:06,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:00:10,340 INFO L134 CoverageAnalysis]: Checked inductivity of 110769 backedges. 1310 proven. 6483 refuted. 0 times theorem prover too weak. 102976 trivial. 0 not checked. [2023-11-12 00:00:10,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:00:10,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 61 states and 99 transitions. [2023-11-12 00:00:10,723 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 99 transitions. [2023-11-12 00:00:10,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 637 [2023-11-12 00:00:10,729 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:00:10,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:00:10,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:00:11,608 INFO L134 CoverageAnalysis]: Checked inductivity of 24027 backedges. 2206 proven. 652 refuted. 0 times theorem prover too weak. 21169 trivial. 0 not checked. [2023-11-12 00:00:12,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:00:12,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 61 states and 98 transitions. [2023-11-12 00:00:12,003 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 98 transitions. [2023-11-12 00:00:12,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1305 [2023-11-12 00:00:12,031 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:00:12,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:00:12,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:00:15,153 INFO L134 CoverageAnalysis]: Checked inductivity of 102375 backedges. 1419 proven. 6066 refuted. 0 times theorem prover too weak. 94890 trivial. 0 not checked. [2023-11-12 00:00:15,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:00:15,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 61 states and 92 transitions. [2023-11-12 00:00:15,562 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 92 transitions. [2023-11-12 00:00:15,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 787 [2023-11-12 00:00:15,569 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:00:15,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:00:15,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:00:16,648 INFO L134 CoverageAnalysis]: Checked inductivity of 36882 backedges. 1416 proven. 2166 refuted. 0 times theorem prover too weak. 33300 trivial. 0 not checked. [2023-11-12 00:00:17,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:00:17,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 61 states and 91 transitions. [2023-11-12 00:00:17,033 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 91 transitions. [2023-11-12 00:00:17,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 923 [2023-11-12 00:00:17,042 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:00:17,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:00:17,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:00:18,892 INFO L134 CoverageAnalysis]: Checked inductivity of 50910 backedges. 3212 proven. 1991 refuted. 0 times theorem prover too weak. 45707 trivial. 0 not checked. [2023-11-12 00:00:19,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:00:19,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 61 states and 88 transitions. [2023-11-12 00:00:19,263 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 88 transitions. [2023-11-12 00:00:19,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 855 [2023-11-12 00:00:19,271 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:00:19,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:00:19,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:00:20,713 INFO L134 CoverageAnalysis]: Checked inductivity of 43614 backedges. 2099 proven. 2698 refuted. 0 times theorem prover too weak. 38817 trivial. 0 not checked. [2023-11-12 00:00:21,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:00:21,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 61 states and 84 transitions. [2023-11-12 00:00:21,101 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 84 transitions. [2023-11-12 00:00:21,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 746 [2023-11-12 00:00:21,107 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:00:21,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:00:21,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat