./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-examples/standard_palindrome_ground.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_4f13ab9c-e51f-47bd-a9f9-c141675c552d/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f13ab9c-e51f-47bd-a9f9-c141675c552d/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_4f13ab9c-e51f-47bd-a9f9-c141675c552d/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f13ab9c-e51f-47bd-a9f9-c141675c552d/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/array-examples/standard_palindrome_ground.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f13ab9c-e51f-47bd-a9f9-c141675c552d/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_4f13ab9c-e51f-47bd-a9f9-c141675c552d/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 270a2842345dc5b188d8b64dce3436ccc5910bc1472a41053bc5c00e7f4ceeb6 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:13:18,365 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:13:18,436 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f13ab9c-e51f-47bd-a9f9-c141675c552d/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 22:13:18,441 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:13:18,442 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:13:18,474 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:13:18,475 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:13:18,475 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:13:18,476 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:13:18,485 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:13:18,485 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:13:18,486 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:13:18,486 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:13:18,487 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:13:18,488 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:13:18,488 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:13:18,489 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:13:18,489 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:13:18,490 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:13:18,490 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:13:18,490 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:13:18,495 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:13:18,496 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:13:18,496 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:13:18,497 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:13:18,497 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:13:18,497 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:13:18,498 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:13:18,498 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:13:18,499 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:13:18,500 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:13:18,501 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:13:18,501 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:13:18,501 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_4f13ab9c-e51f-47bd-a9f9-c141675c552d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f13ab9c-e51f-47bd-a9f9-c141675c552d/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 270a2842345dc5b188d8b64dce3436ccc5910bc1472a41053bc5c00e7f4ceeb6 [2023-11-24 22:13:18,793 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:13:18,830 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:13:18,833 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:13:18,835 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:13:18,835 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:13:18,837 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f13ab9c-e51f-47bd-a9f9-c141675c552d/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/array-examples/standard_palindrome_ground.i [2023-11-24 22:13:21,974 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:13:22,256 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:13:22,258 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f13ab9c-e51f-47bd-a9f9-c141675c552d/sv-benchmarks/c/array-examples/standard_palindrome_ground.i [2023-11-24 22:13:22,267 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f13ab9c-e51f-47bd-a9f9-c141675c552d/bin/ukojak-verify-afCqCEvfdi/data/a3c2cb33a/1d83759db78a44838515c49d7deb95a5/FLAGabad82005 [2023-11-24 22:13:22,287 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f13ab9c-e51f-47bd-a9f9-c141675c552d/bin/ukojak-verify-afCqCEvfdi/data/a3c2cb33a/1d83759db78a44838515c49d7deb95a5 [2023-11-24 22:13:22,293 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:13:22,296 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:13:22,302 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:13:22,302 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:13:22,307 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:13:22,310 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:13:22" (1/1) ... [2023-11-24 22:13:22,313 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62a00258 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:22, skipping insertion in model container [2023-11-24 22:13:22,313 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:13:22" (1/1) ... [2023-11-24 22:13:22,339 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:13:22,547 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_4f13ab9c-e51f-47bd-a9f9-c141675c552d/sv-benchmarks/c/array-examples/standard_palindrome_ground.i[819,832] [2023-11-24 22:13:22,564 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:13:22,575 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:13:22,590 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_4f13ab9c-e51f-47bd-a9f9-c141675c552d/sv-benchmarks/c/array-examples/standard_palindrome_ground.i[819,832] [2023-11-24 22:13:22,598 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:13:22,615 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:13:22,616 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:22 WrapperNode [2023-11-24 22:13:22,616 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:13:22,617 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:13:22,618 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:13:22,618 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:13:22,628 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:22" (1/1) ... [2023-11-24 22:13:22,636 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:22" (1/1) ... [2023-11-24 22:13:22,659 INFO L138 Inliner]: procedures = 16, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 58 [2023-11-24 22:13:22,660 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:13:22,661 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:13:22,661 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:13:22,662 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:13:22,674 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:22" (1/1) ... [2023-11-24 22:13:22,674 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:22" (1/1) ... [2023-11-24 22:13:22,676 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:22" (1/1) ... [2023-11-24 22:13:22,677 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:22" (1/1) ... [2023-11-24 22:13:22,683 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:22" (1/1) ... [2023-11-24 22:13:22,688 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:22" (1/1) ... [2023-11-24 22:13:22,689 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:22" (1/1) ... [2023-11-24 22:13:22,691 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:22" (1/1) ... [2023-11-24 22:13:22,693 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:13:22,695 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:13:22,695 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:13:22,695 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:13:22,696 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:22" (1/1) ... [2023-11-24 22:13:22,704 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:13:22,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f13ab9c-e51f-47bd-a9f9-c141675c552d/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:13:22,738 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f13ab9c-e51f-47bd-a9f9-c141675c552d/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:13:22,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f13ab9c-e51f-47bd-a9f9-c141675c552d/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:13:22,794 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:13:22,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:13:22,795 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:13:22,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 22:13:22,797 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:13:22,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:13:22,798 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 22:13:22,799 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:13:22,895 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:13:22,900 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:13:23,062 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:13:23,119 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:13:23,120 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-24 22:13:23,122 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:13:23 BoogieIcfgContainer [2023-11-24 22:13:23,122 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:13:23,123 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:13:23,124 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:13:23,158 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:13:23,159 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:13:23" (1/1) ... [2023-11-24 22:13:23,171 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:13:23,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:23,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 9 states and 12 transitions. [2023-11-24 22:13:23,253 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 12 transitions. [2023-11-24 22:13:23,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 22:13:23,259 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:23,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:23,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:23,523 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 22:13:23,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:23,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2023-11-24 22:13:23,571 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2023-11-24 22:13:23,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 22:13:23,572 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:23,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:23,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:23,711 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:13:23,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:23,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2023-11-24 22:13:23,797 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2023-11-24 22:13:23,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 22:13:23,798 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:23,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:23,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:23,934 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 22:13:23,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:23,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 12 states and 17 transitions. [2023-11-24 22:13:23,975 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 17 transitions. [2023-11-24 22:13:23,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 22:13:23,976 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:23,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:24,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:24,113 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 22:13:24,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:24,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 13 states and 19 transitions. [2023-11-24 22:13:24,148 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 19 transitions. [2023-11-24 22:13:24,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 22:13:24,148 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:24,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:24,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:24,305 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 22:13:24,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:24,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 14 states and 20 transitions. [2023-11-24 22:13:24,400 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 20 transitions. [2023-11-24 22:13:24,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 22:13:24,402 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:24,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:24,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:24,605 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 22:13:24,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:24,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 15 states and 21 transitions. [2023-11-24 22:13:24,673 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 21 transitions. [2023-11-24 22:13:24,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 22:13:24,674 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:24,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:24,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:24,858 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 22:13:24,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:24,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 16 states and 22 transitions. [2023-11-24 22:13:24,932 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 22 transitions. [2023-11-24 22:13:24,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 22:13:24,932 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:24,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:24,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:25,080 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 22:13:25,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:25,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 17 states and 23 transitions. [2023-11-24 22:13:25,152 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 23 transitions. [2023-11-24 22:13:25,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 22:13:25,154 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:25,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:25,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:25,292 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 22:13:25,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:25,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 18 states and 24 transitions. [2023-11-24 22:13:25,382 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 24 transitions. [2023-11-24 22:13:25,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 22:13:25,383 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:25,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:25,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:25,510 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 22:13:25,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:25,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 19 states and 25 transitions. [2023-11-24 22:13:25,585 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 25 transitions. [2023-11-24 22:13:25,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 22:13:25,586 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:25,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:25,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:25,723 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 22:13:25,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:25,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 20 states and 26 transitions. [2023-11-24 22:13:25,816 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2023-11-24 22:13:25,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 22:13:25,817 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:25,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:25,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:25,983 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 22:13:26,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:26,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 21 states and 27 transitions. [2023-11-24 22:13:26,078 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 27 transitions. [2023-11-24 22:13:26,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 22:13:26,080 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:26,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:26,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:26,294 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 22:13:26,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:26,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 22 states and 28 transitions. [2023-11-24 22:13:26,414 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 28 transitions. [2023-11-24 22:13:26,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 22:13:26,416 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:26,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:26,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:26,653 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 22:13:26,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:26,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 23 states and 29 transitions. [2023-11-24 22:13:26,753 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 29 transitions. [2023-11-24 22:13:26,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 22:13:26,754 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:26,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:26,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:26,970 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 22:13:27,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:27,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 24 states and 30 transitions. [2023-11-24 22:13:27,067 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 30 transitions. [2023-11-24 22:13:27,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 22:13:27,070 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:27,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:27,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:27,311 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 22:13:27,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:27,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 25 states and 31 transitions. [2023-11-24 22:13:27,428 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 31 transitions. [2023-11-24 22:13:27,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 22:13:27,435 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:27,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:27,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:27,702 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 22:13:27,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:27,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 26 states and 32 transitions. [2023-11-24 22:13:27,828 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 32 transitions. [2023-11-24 22:13:27,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 22:13:27,832 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:27,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:27,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:28,076 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 22:13:28,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:28,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 27 states and 33 transitions. [2023-11-24 22:13:28,214 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 33 transitions. [2023-11-24 22:13:28,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 22:13:28,221 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:28,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:28,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:28,513 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 22:13:28,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:28,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 28 states and 34 transitions. [2023-11-24 22:13:28,627 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 34 transitions. [2023-11-24 22:13:28,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-24 22:13:28,627 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:28,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:28,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:28,909 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 22:13:29,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:29,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 29 states and 35 transitions. [2023-11-24 22:13:29,031 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 35 transitions. [2023-11-24 22:13:29,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-24 22:13:29,031 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:29,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:29,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:29,299 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 22:13:29,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:29,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 30 states and 36 transitions. [2023-11-24 22:13:29,442 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 36 transitions. [2023-11-24 22:13:29,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-24 22:13:29,444 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:29,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:29,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:29,733 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 22:13:29,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:29,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 31 states and 37 transitions. [2023-11-24 22:13:29,874 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 37 transitions. [2023-11-24 22:13:29,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-24 22:13:29,875 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:29,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:29,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:30,188 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 22:13:30,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:30,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 32 states and 38 transitions. [2023-11-24 22:13:30,328 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 38 transitions. [2023-11-24 22:13:30,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-24 22:13:30,329 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:30,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:30,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:30,646 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 22:13:30,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:30,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 33 states and 39 transitions. [2023-11-24 22:13:30,787 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 39 transitions. [2023-11-24 22:13:30,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-24 22:13:30,788 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:30,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:30,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:31,094 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 22:13:31,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:31,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 34 states and 40 transitions. [2023-11-24 22:13:31,247 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 40 transitions. [2023-11-24 22:13:31,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 22:13:31,247 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:31,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:31,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:31,577 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 22:13:31,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:31,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 35 states and 41 transitions. [2023-11-24 22:13:31,739 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 41 transitions. [2023-11-24 22:13:31,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-24 22:13:31,740 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:31,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:31,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:32,130 INFO L134 CoverageAnalysis]: Checked inductivity of 303 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 22:13:32,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:32,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 36 states and 42 transitions. [2023-11-24 22:13:32,303 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 42 transitions. [2023-11-24 22:13:32,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-24 22:13:32,303 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:32,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:32,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:32,675 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 22:13:32,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:32,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 37 states and 43 transitions. [2023-11-24 22:13:32,864 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 43 transitions. [2023-11-24 22:13:32,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-24 22:13:32,865 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:32,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:32,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:33,218 INFO L134 CoverageAnalysis]: Checked inductivity of 354 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 22:13:33,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:33,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 38 states and 44 transitions. [2023-11-24 22:13:33,414 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 44 transitions. [2023-11-24 22:13:33,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-24 22:13:33,414 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:33,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:33,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:33,758 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 22:13:33,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:33,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 39 states and 45 transitions. [2023-11-24 22:13:33,935 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 45 transitions. [2023-11-24 22:13:33,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-24 22:13:33,935 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:33,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:33,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:34,308 INFO L134 CoverageAnalysis]: Checked inductivity of 409 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 22:13:34,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:34,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 40 states and 46 transitions. [2023-11-24 22:13:34,499 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 46 transitions. [2023-11-24 22:13:34,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-24 22:13:34,499 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:34,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:34,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:34,885 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 22:13:35,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:35,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 41 states and 47 transitions. [2023-11-24 22:13:35,081 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 47 transitions. [2023-11-24 22:13:35,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-24 22:13:35,082 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:35,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:35,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:35,535 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 22:13:35,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:35,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 42 states and 48 transitions. [2023-11-24 22:13:35,740 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 48 transitions. [2023-11-24 22:13:35,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-24 22:13:35,741 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:35,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:35,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:36,173 INFO L134 CoverageAnalysis]: Checked inductivity of 499 backedges. 0 proven. 496 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 22:13:36,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:36,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 43 states and 49 transitions. [2023-11-24 22:13:36,374 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 49 transitions. [2023-11-24 22:13:36,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-24 22:13:36,374 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:36,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:36,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:36,803 INFO L134 CoverageAnalysis]: Checked inductivity of 531 backedges. 0 proven. 528 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 22:13:37,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:37,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 44 states and 50 transitions. [2023-11-24 22:13:37,024 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 50 transitions. [2023-11-24 22:13:37,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-24 22:13:37,024 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:37,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:37,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:37,543 INFO L134 CoverageAnalysis]: Checked inductivity of 564 backedges. 0 proven. 561 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 22:13:37,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:37,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 45 states and 51 transitions. [2023-11-24 22:13:37,780 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 51 transitions. [2023-11-24 22:13:37,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-24 22:13:37,781 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:37,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:37,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:38,358 INFO L134 CoverageAnalysis]: Checked inductivity of 598 backedges. 0 proven. 595 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 22:13:38,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:38,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 46 states and 52 transitions. [2023-11-24 22:13:38,616 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 52 transitions. [2023-11-24 22:13:38,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-24 22:13:38,617 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:38,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:38,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:39,150 INFO L134 CoverageAnalysis]: Checked inductivity of 633 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 22:13:39,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:39,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 47 states and 53 transitions. [2023-11-24 22:13:39,391 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 53 transitions. [2023-11-24 22:13:39,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-24 22:13:39,391 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:39,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:39,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:39,982 INFO L134 CoverageAnalysis]: Checked inductivity of 669 backedges. 0 proven. 666 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 22:13:40,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:40,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 48 states and 54 transitions. [2023-11-24 22:13:40,252 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 54 transitions. [2023-11-24 22:13:40,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-24 22:13:40,252 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:40,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:40,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:40,850 INFO L134 CoverageAnalysis]: Checked inductivity of 706 backedges. 0 proven. 703 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 22:13:41,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:41,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 49 states and 55 transitions. [2023-11-24 22:13:41,091 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 55 transitions. [2023-11-24 22:13:41,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-24 22:13:41,091 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:41,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:41,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:41,729 INFO L134 CoverageAnalysis]: Checked inductivity of 744 backedges. 0 proven. 741 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 22:13:42,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:42,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 50 states and 56 transitions. [2023-11-24 22:13:42,012 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 56 transitions. [2023-11-24 22:13:42,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-24 22:13:42,013 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:42,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:42,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:42,641 INFO L134 CoverageAnalysis]: Checked inductivity of 783 backedges. 0 proven. 780 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 22:13:42,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:42,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 51 states and 57 transitions. [2023-11-24 22:13:42,918 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 57 transitions. [2023-11-24 22:13:42,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-24 22:13:42,918 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:42,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:42,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:43,537 INFO L134 CoverageAnalysis]: Checked inductivity of 823 backedges. 0 proven. 820 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 22:13:43,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:43,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 52 states and 58 transitions. [2023-11-24 22:13:43,808 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 58 transitions. [2023-11-24 22:13:43,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-24 22:13:43,808 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:43,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:43,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:44,477 INFO L134 CoverageAnalysis]: Checked inductivity of 864 backedges. 0 proven. 861 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 22:13:44,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:44,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 53 states and 59 transitions. [2023-11-24 22:13:44,758 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 59 transitions. [2023-11-24 22:13:44,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-24 22:13:44,758 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:44,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:44,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:45,580 INFO L134 CoverageAnalysis]: Checked inductivity of 906 backedges. 0 proven. 903 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 22:13:45,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:45,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 54 states and 60 transitions. [2023-11-24 22:13:45,885 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 60 transitions. [2023-11-24 22:13:45,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-24 22:13:45,886 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:45,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:45,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:46,581 INFO L134 CoverageAnalysis]: Checked inductivity of 949 backedges. 0 proven. 946 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 22:13:46,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:46,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 55 states and 61 transitions. [2023-11-24 22:13:46,858 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 61 transitions. [2023-11-24 22:13:46,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-24 22:13:46,858 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:46,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:46,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:47,616 INFO L134 CoverageAnalysis]: Checked inductivity of 993 backedges. 0 proven. 990 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 22:13:47,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:47,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 56 states and 62 transitions. [2023-11-24 22:13:47,898 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 62 transitions. [2023-11-24 22:13:47,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-24 22:13:47,898 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:47,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:47,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:48,551 INFO L134 CoverageAnalysis]: Checked inductivity of 1038 backedges. 0 proven. 1035 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 22:13:48,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:48,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 57 states and 63 transitions. [2023-11-24 22:13:48,840 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 63 transitions. [2023-11-24 22:13:48,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-24 22:13:48,840 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:48,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:48,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:49,545 INFO L134 CoverageAnalysis]: Checked inductivity of 1084 backedges. 0 proven. 1081 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 22:13:49,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:49,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 58 states and 64 transitions. [2023-11-24 22:13:49,913 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 64 transitions. [2023-11-24 22:13:49,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-24 22:13:49,915 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:49,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:49,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:50,678 INFO L134 CoverageAnalysis]: Checked inductivity of 1131 backedges. 0 proven. 1128 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 22:13:50,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:50,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 59 states and 65 transitions. [2023-11-24 22:13:50,969 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 65 transitions. [2023-11-24 22:13:50,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-24 22:13:50,969 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:50,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:51,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:51,674 INFO L134 CoverageAnalysis]: Checked inductivity of 1179 backedges. 0 proven. 1176 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 22:13:51,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:51,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 60 states and 66 transitions. [2023-11-24 22:13:51,969 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 66 transitions. [2023-11-24 22:13:51,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-24 22:13:51,970 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:51,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:52,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:52,729 INFO L134 CoverageAnalysis]: Checked inductivity of 1228 backedges. 0 proven. 1225 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 22:13:52,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:52,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 61 states and 67 transitions. [2023-11-24 22:13:52,994 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 67 transitions. [2023-11-24 22:13:52,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-24 22:13:52,994 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:52,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:53,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:53,778 INFO L134 CoverageAnalysis]: Checked inductivity of 1278 backedges. 0 proven. 1275 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 22:13:54,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:54,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 62 states and 68 transitions. [2023-11-24 22:13:54,051 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 68 transitions. [2023-11-24 22:13:54,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-24 22:13:54,052 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:54,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:54,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:54,841 INFO L134 CoverageAnalysis]: Checked inductivity of 1329 backedges. 0 proven. 1326 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 22:13:55,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:55,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 63 states and 69 transitions. [2023-11-24 22:13:55,124 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 69 transitions. [2023-11-24 22:13:55,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-24 22:13:55,125 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:55,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:55,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:55,842 INFO L134 CoverageAnalysis]: Checked inductivity of 1381 backedges. 0 proven. 1378 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 22:13:56,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:56,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 64 states and 70 transitions. [2023-11-24 22:13:56,130 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 70 transitions. [2023-11-24 22:13:56,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-24 22:13:56,130 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:56,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:56,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:57,028 INFO L134 CoverageAnalysis]: Checked inductivity of 1434 backedges. 0 proven. 1431 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 22:13:57,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:57,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 65 states and 71 transitions. [2023-11-24 22:13:57,304 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 71 transitions. [2023-11-24 22:13:57,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-24 22:13:57,305 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:57,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:57,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:58,050 INFO L134 CoverageAnalysis]: Checked inductivity of 1488 backedges. 0 proven. 1485 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 22:13:58,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:58,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 66 states and 72 transitions. [2023-11-24 22:13:58,333 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 72 transitions. [2023-11-24 22:13:58,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-24 22:13:58,334 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:58,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:58,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:59,307 INFO L134 CoverageAnalysis]: Checked inductivity of 1543 backedges. 0 proven. 1540 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 22:13:59,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:59,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 67 states and 73 transitions. [2023-11-24 22:13:59,597 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 73 transitions. [2023-11-24 22:13:59,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-24 22:13:59,598 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:59,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:59,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:14:00,399 INFO L134 CoverageAnalysis]: Checked inductivity of 1599 backedges. 0 proven. 1596 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 22:14:00,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:14:00,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 68 states and 74 transitions. [2023-11-24 22:14:00,688 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 74 transitions. [2023-11-24 22:14:00,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-24 22:14:00,688 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:14:00,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:14:00,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:14:01,545 INFO L134 CoverageAnalysis]: Checked inductivity of 1656 backedges. 0 proven. 1653 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 22:14:01,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:14:01,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 69 states and 75 transitions. [2023-11-24 22:14:01,854 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 75 transitions. [2023-11-24 22:14:01,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-24 22:14:01,855 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:14:01,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:14:01,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:14:02,552 INFO L134 CoverageAnalysis]: Checked inductivity of 1714 backedges. 0 proven. 1711 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 22:14:02,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:14:02,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 70 states and 76 transitions. [2023-11-24 22:14:02,844 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 76 transitions. [2023-11-24 22:14:02,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-24 22:14:02,845 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:14:02,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:14:02,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:14:03,627 INFO L134 CoverageAnalysis]: Checked inductivity of 1773 backedges. 0 proven. 1770 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 22:14:03,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:14:03,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 71 states and 77 transitions. [2023-11-24 22:14:03,918 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 77 transitions. [2023-11-24 22:14:03,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-24 22:14:03,919 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:14:03,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:14:03,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:14:04,721 INFO L134 CoverageAnalysis]: Checked inductivity of 1833 backedges. 0 proven. 1830 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 22:14:05,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:14:05,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 72 states and 78 transitions. [2023-11-24 22:14:05,019 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 78 transitions. [2023-11-24 22:14:05,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-24 22:14:05,020 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:14:05,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:14:05,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat