./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops-crafted-1/in-de62.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_bcf665da-a2cf-41c1-b60f-6a1e7dd2b180/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcf665da-a2cf-41c1-b60f-6a1e7dd2b180/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_bcf665da-a2cf-41c1-b60f-6a1e7dd2b180/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcf665da-a2cf-41c1-b60f-6a1e7dd2b180/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/loops-crafted-1/in-de62.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcf665da-a2cf-41c1-b60f-6a1e7dd2b180/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_bcf665da-a2cf-41c1-b60f-6a1e7dd2b180/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 de9532d8dfc4a0a0cd7c7b5fdf45ac6c04e52382fa165e3cc41d86867bc75adf --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:16:45,539 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:16:45,614 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcf665da-a2cf-41c1-b60f-6a1e7dd2b180/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 22:16:45,620 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:16:45,620 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:16:45,645 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:16:45,646 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:16:45,646 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:16:45,648 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:16:45,648 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:16:45,649 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:16:45,650 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:16:45,650 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:16:45,651 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:16:45,652 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:16:45,652 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:16:45,653 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:16:45,653 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:16:45,654 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:16:45,654 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:16:45,655 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:16:45,656 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:16:45,656 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:16:45,657 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:16:45,657 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:16:45,658 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:16:45,658 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:16:45,659 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:16:45,659 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:16:45,660 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:16:45,660 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:16:45,661 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:16:45,661 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:16:45,661 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_bcf665da-a2cf-41c1-b60f-6a1e7dd2b180/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcf665da-a2cf-41c1-b60f-6a1e7dd2b180/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> de9532d8dfc4a0a0cd7c7b5fdf45ac6c04e52382fa165e3cc41d86867bc75adf [2023-11-24 22:16:45,969 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:16:46,007 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:16:46,010 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:16:46,012 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:16:46,012 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:16:46,014 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcf665da-a2cf-41c1-b60f-6a1e7dd2b180/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/loops-crafted-1/in-de62.c [2023-11-24 22:16:49,221 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:16:49,523 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:16:49,524 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcf665da-a2cf-41c1-b60f-6a1e7dd2b180/sv-benchmarks/c/loops-crafted-1/in-de62.c [2023-11-24 22:16:49,534 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcf665da-a2cf-41c1-b60f-6a1e7dd2b180/bin/ukojak-verify-afCqCEvfdi/data/c79a2e39c/9068deda194c45f89de19f8a2f1a1ef4/FLAGb6a5f32d7 [2023-11-24 22:16:49,552 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcf665da-a2cf-41c1-b60f-6a1e7dd2b180/bin/ukojak-verify-afCqCEvfdi/data/c79a2e39c/9068deda194c45f89de19f8a2f1a1ef4 [2023-11-24 22:16:49,562 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:16:49,564 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:16:49,567 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:16:49,568 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:16:49,572 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:16:49,573 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:16:49" (1/1) ... [2023-11-24 22:16:49,575 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e0ede9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:49, skipping insertion in model container [2023-11-24 22:16:49,576 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:16:49" (1/1) ... [2023-11-24 22:16:49,598 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:16:49,771 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_bcf665da-a2cf-41c1-b60f-6a1e7dd2b180/sv-benchmarks/c/loops-crafted-1/in-de62.c[368,381] [2023-11-24 22:16:49,790 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:16:49,800 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:16:49,812 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_bcf665da-a2cf-41c1-b60f-6a1e7dd2b180/sv-benchmarks/c/loops-crafted-1/in-de62.c[368,381] [2023-11-24 22:16:49,817 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:16:49,831 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:16:49,831 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:49 WrapperNode [2023-11-24 22:16:49,831 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:16:49,832 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:16:49,832 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:16:49,833 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:16:49,840 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:49" (1/1) ... [2023-11-24 22:16:49,846 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:49" (1/1) ... [2023-11-24 22:16:49,865 INFO L138 Inliner]: procedures = 13, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 85 [2023-11-24 22:16:49,866 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:16:49,867 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:16:49,867 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:16:49,867 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:16:49,876 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:49" (1/1) ... [2023-11-24 22:16:49,876 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:49" (1/1) ... [2023-11-24 22:16:49,878 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:49" (1/1) ... [2023-11-24 22:16:49,878 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:49" (1/1) ... [2023-11-24 22:16:49,881 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:49" (1/1) ... [2023-11-24 22:16:49,886 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:49" (1/1) ... [2023-11-24 22:16:49,887 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:49" (1/1) ... [2023-11-24 22:16:49,888 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:49" (1/1) ... [2023-11-24 22:16:49,889 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:16:49,890 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:16:49,891 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:16:49,891 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:16:49,892 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:49" (1/1) ... [2023-11-24 22:16:49,897 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:16:49,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcf665da-a2cf-41c1-b60f-6a1e7dd2b180/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:16:49,923 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcf665da-a2cf-41c1-b60f-6a1e7dd2b180/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:16:49,925 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcf665da-a2cf-41c1-b60f-6a1e7dd2b180/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:16:49,955 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:16:49,956 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:16:49,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:16:49,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:16:50,028 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:16:50,030 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:16:50,263 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:16:50,318 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:16:50,318 INFO L309 CfgBuilder]: Removed 6 assume(true) statements. [2023-11-24 22:16:50,320 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:16:50 BoogieIcfgContainer [2023-11-24 22:16:50,320 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:16:50,326 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:16:50,326 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:16:50,337 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:16:50,337 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:16:50" (1/1) ... [2023-11-24 22:16:50,347 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:16:50,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:50,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 12 states and 18 transitions. [2023-11-24 22:16:50,415 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 18 transitions. [2023-11-24 22:16:50,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 22:16:50,417 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:50,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:50,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:50,786 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 22:16:50,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:50,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 18 states and 29 transitions. [2023-11-24 22:16:50,983 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 29 transitions. [2023-11-24 22:16:50,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 22:16:50,984 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:50,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:50,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:51,043 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:16:51,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:51,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 21 states and 35 transitions. [2023-11-24 22:16:51,293 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 35 transitions. [2023-11-24 22:16:51,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 22:16:51,296 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:51,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:51,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:51,356 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:16:51,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:51,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 41 transitions. [2023-11-24 22:16:51,702 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 41 transitions. [2023-11-24 22:16:51,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 22:16:51,703 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:51,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:51,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:51,794 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:16:52,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:52,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 27 states and 49 transitions. [2023-11-24 22:16:52,161 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 49 transitions. [2023-11-24 22:16:52,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 22:16:52,162 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:52,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:52,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:52,407 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:16:52,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:52,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 54 transitions. [2023-11-24 22:16:52,761 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 54 transitions. [2023-11-24 22:16:52,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 22:16:52,763 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:52,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:52,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:52,875 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:16:53,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:53,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 30 states and 56 transitions. [2023-11-24 22:16:53,111 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 56 transitions. [2023-11-24 22:16:53,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 22:16:53,112 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:53,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:53,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:53,284 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:16:53,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:53,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 31 states and 58 transitions. [2023-11-24 22:16:53,517 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 58 transitions. [2023-11-24 22:16:53,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 22:16:53,518 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:53,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:53,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:53,636 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 22:16:54,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:54,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 34 states and 66 transitions. [2023-11-24 22:16:54,188 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 66 transitions. [2023-11-24 22:16:54,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 22:16:54,189 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:54,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:54,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:54,408 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:16:54,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:54,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 35 states and 68 transitions. [2023-11-24 22:16:54,661 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 68 transitions. [2023-11-24 22:16:54,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 22:16:54,662 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:54,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:54,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:54,821 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:16:55,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:55,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 37 states and 72 transitions. [2023-11-24 22:16:55,408 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 72 transitions. [2023-11-24 22:16:55,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 22:16:55,413 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:55,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:55,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:55,484 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:16:56,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:56,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 44 states and 92 transitions. [2023-11-24 22:16:56,618 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 92 transitions. [2023-11-24 22:16:56,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 22:16:56,619 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:56,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:56,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:56,700 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:16:57,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:57,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 49 states and 105 transitions. [2023-11-24 22:16:57,391 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 105 transitions. [2023-11-24 22:16:57,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 22:16:57,391 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:57,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:57,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:57,456 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:16:57,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:57,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 51 states and 107 transitions. [2023-11-24 22:16:57,741 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 107 transitions. [2023-11-24 22:16:57,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 22:16:57,744 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:57,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:57,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:58,037 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:16:58,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:58,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 52 states and 109 transitions. [2023-11-24 22:16:58,396 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 109 transitions. [2023-11-24 22:16:58,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 22:16:58,397 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:58,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:58,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:58,458 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-24 22:16:59,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:59,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 57 states and 124 transitions. [2023-11-24 22:16:59,968 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 124 transitions. [2023-11-24 22:16:59,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 22:16:59,970 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:59,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:59,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:00,159 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:17:00,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:00,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 58 states and 127 transitions. [2023-11-24 22:17:00,437 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 127 transitions. [2023-11-24 22:17:00,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 22:17:00,438 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:00,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:00,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:00,658 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:17:01,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:01,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 64 states and 136 transitions. [2023-11-24 22:17:01,782 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 136 transitions. [2023-11-24 22:17:01,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 22:17:01,783 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:01,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:01,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:02,040 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:17:02,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:02,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 65 states and 138 transitions. [2023-11-24 22:17:02,464 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 138 transitions. [2023-11-24 22:17:02,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 22:17:02,465 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:02,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:02,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:02,775 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:17:03,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:03,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 67 states and 142 transitions. [2023-11-24 22:17:03,765 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 142 transitions. [2023-11-24 22:17:03,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 22:17:03,768 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:03,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:03,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:03,873 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:17:06,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:06,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 73 states and 156 transitions. [2023-11-24 22:17:06,370 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 156 transitions. [2023-11-24 22:17:06,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 22:17:06,370 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:06,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:06,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:06,481 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:17:07,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:07,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 77 states and 163 transitions. [2023-11-24 22:17:07,229 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 163 transitions. [2023-11-24 22:17:07,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 22:17:07,230 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:07,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:07,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:07,359 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:17:08,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:08,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 82 states and 170 transitions. [2023-11-24 22:17:08,101 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 170 transitions. [2023-11-24 22:17:08,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 22:17:08,102 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:08,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:08,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:08,412 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:17:08,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:08,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 83 states and 172 transitions. [2023-11-24 22:17:08,896 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 172 transitions. [2023-11-24 22:17:08,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 22:17:08,897 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:08,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:08,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:09,144 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:17:10,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:10,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 85 states and 176 transitions. [2023-11-24 22:17:10,208 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 176 transitions. [2023-11-24 22:17:10,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 22:17:10,209 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:10,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:10,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:10,287 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-24 22:17:12,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:12,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 90 states and 194 transitions. [2023-11-24 22:17:12,273 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 194 transitions. [2023-11-24 22:17:12,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 22:17:12,274 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:12,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:12,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:12,355 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:17:13,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:13,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 92 states and 199 transitions. [2023-11-24 22:17:13,060 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 199 transitions. [2023-11-24 22:17:13,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 22:17:13,061 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:13,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:13,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:13,117 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-24 22:17:13,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:13,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 93 states and 199 transitions. [2023-11-24 22:17:13,149 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 199 transitions. [2023-11-24 22:17:13,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 22:17:13,150 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:13,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:13,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:13,765 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:17:15,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:15,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 92 states and 197 transitions. [2023-11-24 22:17:15,511 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 197 transitions. [2023-11-24 22:17:15,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 22:17:15,512 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:15,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:15,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:15,882 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:17:16,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:16,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 93 states and 199 transitions. [2023-11-24 22:17:16,481 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 199 transitions. [2023-11-24 22:17:16,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 22:17:16,481 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:16,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:16,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:16,720 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:17:17,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:17,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 95 states and 204 transitions. [2023-11-24 22:17:17,971 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 204 transitions. [2023-11-24 22:17:17,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 22:17:17,972 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:17,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:17,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:18,046 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-24 22:17:18,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:18,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 96 states and 208 transitions. [2023-11-24 22:17:18,588 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 208 transitions. [2023-11-24 22:17:18,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 22:17:18,589 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:18,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:18,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:18,655 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-24 22:17:19,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:19,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 97 states and 210 transitions. [2023-11-24 22:17:19,145 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 210 transitions. [2023-11-24 22:17:19,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 22:17:19,145 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:19,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:19,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:19,245 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-24 22:17:20,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:20,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 100 states and 215 transitions. [2023-11-24 22:17:20,277 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 215 transitions. [2023-11-24 22:17:20,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 22:17:20,278 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:20,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:20,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:20,341 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-24 22:17:20,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:20,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 102 states and 218 transitions. [2023-11-24 22:17:20,758 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 218 transitions. [2023-11-24 22:17:20,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 22:17:20,759 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:20,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:20,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:21,147 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:17:21,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:21,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 103 states and 220 transitions. [2023-11-24 22:17:21,877 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 220 transitions. [2023-11-24 22:17:21,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 22:17:21,878 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:21,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:21,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:22,142 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:17:23,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:23,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 105 states and 225 transitions. [2023-11-24 22:17:23,555 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 225 transitions. [2023-11-24 22:17:23,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 22:17:23,555 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:23,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:23,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:23,847 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-24 22:17:26,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:26,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 111 states and 247 transitions. [2023-11-24 22:17:26,973 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 247 transitions. [2023-11-24 22:17:26,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 22:17:26,974 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:26,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:26,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:27,039 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-24 22:17:27,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:27,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 112 states and 247 transitions. [2023-11-24 22:17:27,724 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 247 transitions. [2023-11-24 22:17:27,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 22:17:27,725 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:27,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:27,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:27,816 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:17:30,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:30,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 117 states and 254 transitions. [2023-11-24 22:17:30,634 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 254 transitions. [2023-11-24 22:17:30,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 22:17:30,634 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:30,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:30,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:30,986 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-24 22:17:31,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:31,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 120 states and 257 transitions. [2023-11-24 22:17:31,941 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 257 transitions. [2023-11-24 22:17:31,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 22:17:31,942 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:31,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:31,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:32,015 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-24 22:17:32,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:32,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 121 states and 262 transitions. [2023-11-24 22:17:32,655 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 262 transitions. [2023-11-24 22:17:32,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 22:17:32,656 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:32,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:32,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:32,729 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:17:35,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:35,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 127 states and 275 transitions. [2023-11-24 22:17:35,052 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 275 transitions. [2023-11-24 22:17:35,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 22:17:35,053 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:35,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:35,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:35,633 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:17:36,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:36,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 128 states and 277 transitions. [2023-11-24 22:17:36,719 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 277 transitions. [2023-11-24 22:17:36,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 22:17:36,719 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:36,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:36,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:37,060 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:17:39,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:39,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 130 states and 282 transitions. [2023-11-24 22:17:39,029 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 282 transitions. [2023-11-24 22:17:39,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 22:17:39,029 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:39,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:39,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:39,128 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.