./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-tiling/nr2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability 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_b4401cd0-ed1e-4261-9d0d-fa5535b123ef/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4401cd0-ed1e-4261-9d0d-fa5535b123ef/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_b4401cd0-ed1e-4261-9d0d-fa5535b123ef/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4401cd0-ed1e-4261-9d0d-fa5535b123ef/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/array-tiling/nr2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4401cd0-ed1e-4261-9d0d-fa5535b123ef/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4401cd0-ed1e-4261-9d0d-fa5535b123ef/bin/ukojak-verify-G8NBE6pJGL --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 2a5d4c3d8db636946363c81d25b5c2e381fc236cdcde6b4765d7ce6e059d8a21 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:20:40,328 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:20:40,457 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4401cd0-ed1e-4261-9d0d-fa5535b123ef/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:20:40,465 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:20:40,466 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:20:40,505 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:20:40,506 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:20:40,506 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:20:40,508 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:20:40,513 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:20:40,513 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:20:40,514 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:20:40,514 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:20:40,516 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:20:40,516 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:20:40,517 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:20:40,517 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:20:40,517 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:20:40,518 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:20:40,518 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:20:40,519 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:20:40,519 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:20:40,520 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:20:40,522 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:20:40,522 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:20:40,523 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:20:40,523 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:20:40,524 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:20:40,524 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:20:40,525 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:20:40,526 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:20:40,526 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:20:40,527 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:20:40,528 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_b4401cd0-ed1e-4261-9d0d-fa5535b123ef/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4401cd0-ed1e-4261-9d0d-fa5535b123ef/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2a5d4c3d8db636946363c81d25b5c2e381fc236cdcde6b4765d7ce6e059d8a21 [2023-11-19 03:20:40,863 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:20:40,903 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:20:40,906 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:20:40,907 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:20:40,908 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:20:40,910 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4401cd0-ed1e-4261-9d0d-fa5535b123ef/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/array-tiling/nr2.c [2023-11-19 03:20:44,109 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:20:44,323 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:20:44,323 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4401cd0-ed1e-4261-9d0d-fa5535b123ef/sv-benchmarks/c/array-tiling/nr2.c [2023-11-19 03:20:44,335 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4401cd0-ed1e-4261-9d0d-fa5535b123ef/bin/ukojak-verify-G8NBE6pJGL/data/829c1b242/0712ce8cdde3466fb9066efc612037ab/FLAGe3365856b [2023-11-19 03:20:44,350 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4401cd0-ed1e-4261-9d0d-fa5535b123ef/bin/ukojak-verify-G8NBE6pJGL/data/829c1b242/0712ce8cdde3466fb9066efc612037ab [2023-11-19 03:20:44,352 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:20:44,354 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:20:44,356 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:20:44,356 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:20:44,362 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:20:44,363 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:20:44" (1/1) ... [2023-11-19 03:20:44,365 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b1d299c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:44, skipping insertion in model container [2023-11-19 03:20:44,365 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:20:44" (1/1) ... [2023-11-19 03:20:44,386 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:20:44,538 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_b4401cd0-ed1e-4261-9d0d-fa5535b123ef/sv-benchmarks/c/array-tiling/nr2.c[394,407] [2023-11-19 03:20:44,558 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:20:44,566 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:20:44,580 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_b4401cd0-ed1e-4261-9d0d-fa5535b123ef/sv-benchmarks/c/array-tiling/nr2.c[394,407] [2023-11-19 03:20:44,587 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:20:44,602 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:20:44,603 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:44 WrapperNode [2023-11-19 03:20:44,603 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:20:44,604 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:20:44,604 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:20:44,605 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:20:44,612 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:44" (1/1) ... [2023-11-19 03:20:44,619 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:44" (1/1) ... [2023-11-19 03:20:44,638 INFO L138 Inliner]: procedures = 15, calls = 22, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 81 [2023-11-19 03:20:44,638 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:20:44,639 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:20:44,639 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:20:44,639 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:20:44,649 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:44" (1/1) ... [2023-11-19 03:20:44,649 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:44" (1/1) ... [2023-11-19 03:20:44,652 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:44" (1/1) ... [2023-11-19 03:20:44,652 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:44" (1/1) ... [2023-11-19 03:20:44,659 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:44" (1/1) ... [2023-11-19 03:20:44,663 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:44" (1/1) ... [2023-11-19 03:20:44,665 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:44" (1/1) ... [2023-11-19 03:20:44,666 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:44" (1/1) ... [2023-11-19 03:20:44,669 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:20:44,670 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:20:44,670 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:20:44,670 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:20:44,671 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:44" (1/1) ... [2023-11-19 03:20:44,677 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:20:44,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4401cd0-ed1e-4261-9d0d-fa5535b123ef/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:20:44,700 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4401cd0-ed1e-4261-9d0d-fa5535b123ef/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:20:44,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4401cd0-ed1e-4261-9d0d-fa5535b123ef/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:20:44,737 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:20:44,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:20:44,737 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:20:44,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:20:44,737 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:20:44,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:20:44,738 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:20:44,738 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:20:44,843 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:20:44,845 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:20:45,029 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:20:45,102 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:20:45,107 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-19 03:20:45,111 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:20:45 BoogieIcfgContainer [2023-11-19 03:20:45,112 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:20:45,113 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:20:45,113 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:20:45,121 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:20:45,121 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:20:45" (1/1) ... [2023-11-19 03:20:45,129 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:20:45,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:45,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2023-11-19 03:20:45,188 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2023-11-19 03:20:45,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:20:45,190 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:20:45,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:20:45,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:20:45,743 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 03:20:45,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:45,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 14 states and 19 transitions. [2023-11-19 03:20:45,837 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 19 transitions. [2023-11-19 03:20:45,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:20:45,838 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:20:45,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:20:45,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:20:45,978 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:20:46,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:46,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 15 states and 21 transitions. [2023-11-19 03:20:46,030 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 21 transitions. [2023-11-19 03:20:46,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:20:46,033 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:20:46,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:20:46,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:20:46,186 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:20:46,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:46,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 16 states and 22 transitions. [2023-11-19 03:20:46,294 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 22 transitions. [2023-11-19 03:20:46,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 03:20:46,295 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:20:46,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:20:46,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:20:47,110 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:20:48,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:48,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 23 states and 39 transitions. [2023-11-19 03:20:48,350 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 39 transitions. [2023-11-19 03:20:48,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:20:48,351 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:20:48,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:20:48,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:20:49,062 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:20:50,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:50,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 28 states and 49 transitions. [2023-11-19 03:20:50,536 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 49 transitions. [2023-11-19 03:20:50,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:20:50,537 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:20:50,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:20:50,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:20:51,445 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:20:52,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:52,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 32 states and 58 transitions. [2023-11-19 03:20:52,748 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 58 transitions. [2023-11-19 03:20:52,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:20:52,750 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:20:52,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:20:52,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:20:53,390 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 03:20:57,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:57,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 43 states and 81 transitions. [2023-11-19 03:20:57,735 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 81 transitions. [2023-11-19 03:20:57,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:20:57,738 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:20:57,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:20:57,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:20:58,895 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:21:00,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:00,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 46 states and 86 transitions. [2023-11-19 03:21:00,435 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 86 transitions. [2023-11-19 03:21:00,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:21:00,436 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:00,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:00,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:01,865 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 3 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:21:03,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:03,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2023-11-19 03:21:03,184 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2023-11-19 03:21:03,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:21:03,185 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:03,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:03,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:03,639 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 8 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 03:21:04,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:04,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 34 states and 52 transitions. [2023-11-19 03:21:04,224 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 52 transitions. [2023-11-19 03:21:04,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:21:04,225 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:04,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:04,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:05,798 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 03:21:12,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:12,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 45 states and 77 transitions. [2023-11-19 03:21:12,828 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 77 transitions. [2023-11-19 03:21:12,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 03:21:12,829 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:12,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:12,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:14,366 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 03:21:23,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:23,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 57 states and 104 transitions. [2023-11-19 03:21:23,345 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 104 transitions. [2023-11-19 03:21:23,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 03:21:23,346 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:23,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:23,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:23,732 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 03:21:24,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:24,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 58 states and 105 transitions. [2023-11-19 03:21:24,511 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 105 transitions. [2023-11-19 03:21:24,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 03:21:24,517 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:24,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:24,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:26,062 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 1 proven. 45 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 03:21:28,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:28,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 55 states and 97 transitions. [2023-11-19 03:21:28,372 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 97 transitions. [2023-11-19 03:21:28,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 03:21:28,373 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:28,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:28,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:29,658 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 16 proven. 22 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.