./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/recursive-simple/fibo_15-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_7c8b8d9c-b5c6-447c-bd4d-2d63cdcb02da/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8b8d9c-b5c6-447c-bd4d-2d63cdcb02da/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8b8d9c-b5c6-447c-bd4d-2d63cdcb02da/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8b8d9c-b5c6-447c-bd4d-2d63cdcb02da/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive-simple/fibo_15-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8b8d9c-b5c6-447c-bd4d-2d63cdcb02da/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8b8d9c-b5c6-447c-bd4d-2d63cdcb02da/bin/ukojak-verify-afCqCEvfdi --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 06a81e8bf3973396767cf6326af5dc9a5105a737c418064bf310f9765cc117f7 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:54:18,990 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:54:19,065 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8b8d9c-b5c6-447c-bd4d-2d63cdcb02da/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 22:54:19,070 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:54:19,071 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:54:19,096 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:54:19,098 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:54:19,098 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:54:19,099 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:54:19,100 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:54:19,101 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:54:19,101 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:54:19,102 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:54:19,102 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:54:19,103 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:54:19,104 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:54:19,104 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:54:19,105 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:54:19,105 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:54:19,106 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:54:19,106 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:54:19,107 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:54:19,108 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:54:19,108 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:54:19,109 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:54:19,109 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:54:19,110 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:54:19,110 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:54:19,111 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:54:19,111 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:54:19,112 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:54:19,112 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:54:19,113 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:54:19,113 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_7c8b8d9c-b5c6-447c-bd4d-2d63cdcb02da/bin/ukojak-verify-afCqCEvfdi/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8b8d9c-b5c6-447c-bd4d-2d63cdcb02da/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 06a81e8bf3973396767cf6326af5dc9a5105a737c418064bf310f9765cc117f7 [2023-11-24 22:54:19,349 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:54:19,387 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:54:19,389 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:54:19,391 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:54:19,391 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:54:19,393 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8b8d9c-b5c6-447c-bd4d-2d63cdcb02da/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/recursive-simple/fibo_15-1.c [2023-11-24 22:54:22,561 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:54:22,844 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:54:22,844 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8b8d9c-b5c6-447c-bd4d-2d63cdcb02da/sv-benchmarks/c/recursive-simple/fibo_15-1.c [2023-11-24 22:54:22,853 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8b8d9c-b5c6-447c-bd4d-2d63cdcb02da/bin/ukojak-verify-afCqCEvfdi/data/fd4776ad8/9237406f5cce423b8d4c82e40e2f1239/FLAGd3510cd55 [2023-11-24 22:54:23,215 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8b8d9c-b5c6-447c-bd4d-2d63cdcb02da/bin/ukojak-verify-afCqCEvfdi/data/fd4776ad8/9237406f5cce423b8d4c82e40e2f1239 [2023-11-24 22:54:23,222 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:54:23,224 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:54:23,226 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:54:23,226 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:54:23,233 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:54:23,236 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:54:23" (1/1) ... [2023-11-24 22:54:23,239 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75d62591 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:23, skipping insertion in model container [2023-11-24 22:54:23,239 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:54:23" (1/1) ... [2023-11-24 22:54:23,264 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:54:23,438 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_7c8b8d9c-b5c6-447c-bd4d-2d63cdcb02da/sv-benchmarks/c/recursive-simple/fibo_15-1.c[744,757] [2023-11-24 22:54:23,443 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:54:23,453 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:54:23,467 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_7c8b8d9c-b5c6-447c-bd4d-2d63cdcb02da/sv-benchmarks/c/recursive-simple/fibo_15-1.c[744,757] [2023-11-24 22:54:23,468 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:54:23,483 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:54:23,483 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:23 WrapperNode [2023-11-24 22:54:23,484 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:54:23,485 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:54:23,485 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:54:23,485 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:54:23,493 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:23" (1/1) ... [2023-11-24 22:54:23,500 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:23" (1/1) ... [2023-11-24 22:54:23,517 INFO L138 Inliner]: procedures = 13, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 20 [2023-11-24 22:54:23,518 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:54:23,518 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:54:23,519 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:54:23,519 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:54:23,526 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:23" (1/1) ... [2023-11-24 22:54:23,527 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:23" (1/1) ... [2023-11-24 22:54:23,528 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:23" (1/1) ... [2023-11-24 22:54:23,528 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:23" (1/1) ... [2023-11-24 22:54:23,531 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:23" (1/1) ... [2023-11-24 22:54:23,533 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:23" (1/1) ... [2023-11-24 22:54:23,534 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:23" (1/1) ... [2023-11-24 22:54:23,535 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:23" (1/1) ... [2023-11-24 22:54:23,536 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:54:23,537 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:54:23,538 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:54:23,538 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:54:23,539 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:23" (1/1) ... [2023-11-24 22:54:23,545 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:54:23,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8b8d9c-b5c6-447c-bd4d-2d63cdcb02da/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:54:23,575 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8b8d9c-b5c6-447c-bd4d-2d63cdcb02da/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:54:23,577 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8b8d9c-b5c6-447c-bd4d-2d63cdcb02da/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:54:23,611 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:54:23,612 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:54:23,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:54:23,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:54:23,612 INFO L130 BoogieDeclarations]: Found specification of procedure fibo [2023-11-24 22:54:23,613 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo [2023-11-24 22:54:23,681 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:54:23,683 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:54:23,819 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:54:23,848 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:54:23,848 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 22:54:23,850 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:54:23 BoogieIcfgContainer [2023-11-24 22:54:23,850 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:54:23,851 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:54:23,851 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:54:23,862 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:54:23,862 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:54:23" (1/1) ... [2023-11-24 22:54:23,873 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:54:23,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:23,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2023-11-24 22:54:23,927 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2023-11-24 22:54:23,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 22:54:23,932 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:23,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:24,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:24,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:24,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:24,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 25 transitions. [2023-11-24 22:54:24,388 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 25 transitions. [2023-11-24 22:54:24,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 22:54:24,389 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:24,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:24,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:24,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:24,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:24,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 21 states and 29 transitions. [2023-11-24 22:54:24,570 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2023-11-24 22:54:24,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 22:54:24,571 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:24,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:24,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:24,800 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-24 22:54:24,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:24,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 21 states and 28 transitions. [2023-11-24 22:54:24,979 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2023-11-24 22:54:24,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 22:54:24,981 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:24,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:24,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:25,088 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-24 22:54:25,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:25,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 26 states and 40 transitions. [2023-11-24 22:54:25,379 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 40 transitions. [2023-11-24 22:54:25,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-24 22:54:25,385 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:25,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:25,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:25,687 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 23 proven. 8 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-24 22:54:26,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:26,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 29 states and 47 transitions. [2023-11-24 22:54:26,275 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2023-11-24 22:54:26,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-24 22:54:26,277 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:26,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:26,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:26,454 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 6 proven. 24 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-24 22:54:26,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:26,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 34 states and 62 transitions. [2023-11-24 22:54:26,793 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 62 transitions. [2023-11-24 22:54:26,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-24 22:54:26,797 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:26,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:26,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:27,046 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 47 proven. 28 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-24 22:54:27,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:27,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 34 states and 61 transitions. [2023-11-24 22:54:27,440 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 61 transitions. [2023-11-24 22:54:27,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-24 22:54:27,448 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:27,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:27,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:27,685 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 17 proven. 88 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-11-24 22:54:28,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:28,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 39 states and 78 transitions. [2023-11-24 22:54:28,037 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 78 transitions. [2023-11-24 22:54:28,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-11-24 22:54:28,047 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:28,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:28,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:28,323 INFO L134 CoverageAnalysis]: Checked inductivity of 747 backedges. 54 proven. 273 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2023-11-24 22:54:28,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:28,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 44 states and 98 transitions. [2023-11-24 22:54:28,700 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 98 transitions. [2023-11-24 22:54:28,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2023-11-24 22:54:28,703 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:28,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:28,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:29,229 INFO L134 CoverageAnalysis]: Checked inductivity of 1403 backedges. 302 proven. 338 refuted. 0 times theorem prover too weak. 763 trivial. 0 not checked. [2023-11-24 22:54:29,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:29,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 44 states and 96 transitions. [2023-11-24 22:54:29,563 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 96 transitions. [2023-11-24 22:54:29,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2023-11-24 22:54:29,567 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:29,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:29,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:30,119 INFO L134 CoverageAnalysis]: Checked inductivity of 3330 backedges. 132 proven. 828 refuted. 0 times theorem prover too weak. 2370 trivial. 0 not checked. [2023-11-24 22:54:30,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:30,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 49 states and 117 transitions. [2023-11-24 22:54:30,575 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 117 transitions. [2023-11-24 22:54:30,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2023-11-24 22:54:30,580 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:30,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:30,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:31,367 INFO L134 CoverageAnalysis]: Checked inductivity of 4601 backedges. 699 proven. 936 refuted. 0 times theorem prover too weak. 2966 trivial. 0 not checked. [2023-11-24 22:54:31,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:31,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 49 states and 116 transitions. [2023-11-24 22:54:31,745 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 116 transitions. [2023-11-24 22:54:31,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2023-11-24 22:54:31,754 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:31,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:31,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:32,338 INFO L134 CoverageAnalysis]: Checked inductivity of 4536 backedges. 349 proven. 960 refuted. 0 times theorem prover too weak. 3227 trivial. 0 not checked. [2023-11-24 22:54:32,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:32,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 49 states and 115 transitions. [2023-11-24 22:54:32,721 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 115 transitions. [2023-11-24 22:54:32,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2023-11-24 22:54:32,727 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:32,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:32,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:33,481 INFO L134 CoverageAnalysis]: Checked inductivity of 6077 backedges. 232 proven. 1327 refuted. 0 times theorem prover too weak. 4518 trivial. 0 not checked. [2023-11-24 22:54:34,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:34,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 54 states and 138 transitions. [2023-11-24 22:54:34,054 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 138 transitions. [2023-11-24 22:54:34,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 651 [2023-11-24 22:54:34,072 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:34,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:34,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:35,477 INFO L134 CoverageAnalysis]: Checked inductivity of 25110 backedges. 473 proven. 3406 refuted. 0 times theorem prover too weak. 21231 trivial. 0 not checked. [2023-11-24 22:54:36,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:36,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 59 states and 164 transitions. [2023-11-24 22:54:36,023 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 164 transitions. [2023-11-24 22:54:36,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 981 [2023-11-24 22:54:36,056 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:36,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:36,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:39,520 INFO L134 CoverageAnalysis]: Checked inductivity of 57573 backedges. 4058 proven. 5432 refuted. 0 times theorem prover too weak. 48083 trivial. 0 not checked. [2023-11-24 22:54:40,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:40,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 59 states and 162 transitions. [2023-11-24 22:54:40,003 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 162 transitions. [2023-11-24 22:54:40,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1017 [2023-11-24 22:54:40,050 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:40,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:40,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:42,273 INFO L134 CoverageAnalysis]: Checked inductivity of 61929 backedges. 927 proven. 6111 refuted. 0 times theorem prover too weak. 54891 trivial. 0 not checked. [2023-11-24 22:54:42,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:42,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 64 states and 189 transitions. [2023-11-24 22:54:42,961 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 189 transitions. [2023-11-24 22:54:43,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3277 [2023-11-24 22:54:43,054 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:43,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:44,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:57,409 INFO L134 CoverageAnalysis]: Checked inductivity of 651089 backedges. 2647 proven. 23791 refuted. 0 times theorem prover too weak. 624651 trivial. 0 not checked. [2023-11-24 22:54:58,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:58,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 69 states and 219 transitions. [2023-11-24 22:54:58,089 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 219 transitions. [2023-11-24 22:54:58,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1697 [2023-11-24 22:54:58,121 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:58,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:58,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:03,801 INFO L134 CoverageAnalysis]: Checked inductivity of 173709 backedges. 11605 proven. 6687 refuted. 0 times theorem prover too weak. 155417 trivial. 0 not checked. [2023-11-24 22:55:04,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:04,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 71 states and 220 transitions. [2023-11-24 22:55:04,819 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 220 transitions. [2023-11-24 22:55:04,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2580 [2023-11-24 22:55:04,919 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:04,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:05,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:11,214 INFO L134 CoverageAnalysis]: Checked inductivity of 402957 backedges. 2898 proven. 17290 refuted. 0 times theorem prover too weak. 382769 trivial. 0 not checked.