./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-cav19/array_init_both_ends_multiple_sum.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 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_66d82ad2-1037-4806-bdbd-6071e2bc4cd6/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66d82ad2-1037-4806-bdbd-6071e2bc4cd6/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66d82ad2-1037-4806-bdbd-6071e2bc4cd6/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66d82ad2-1037-4806-bdbd-6071e2bc4cd6/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/array-cav19/array_init_both_ends_multiple_sum.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66d82ad2-1037-4806-bdbd-6071e2bc4cd6/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66d82ad2-1037-4806-bdbd-6071e2bc4cd6/bin/ukojak-verify-1t5iHCbJaC --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 54df2940ae4d13c219208dbc33c051105041923e87e99fc1d1620ede83e75392 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:13:10,390 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:13:10,527 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66d82ad2-1037-4806-bdbd-6071e2bc4cd6/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-23 20:13:10,535 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:13:10,536 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:13:10,582 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:13:10,584 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:13:10,585 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:13:10,586 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:13:10,592 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:13:10,593 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:13:10,594 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:13:10,594 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:13:10,596 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:13:10,597 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:13:10,597 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:13:10,598 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:13:10,599 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:13:10,599 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:13:10,600 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:13:10,600 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:13:10,601 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:13:10,602 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:13:10,603 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:13:10,603 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:13:10,604 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:13:10,604 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:13:10,605 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:13:10,606 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:13:10,606 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:13:10,608 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:13:10,608 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:13:10,609 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:13:10,609 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_66d82ad2-1037-4806-bdbd-6071e2bc4cd6/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66d82ad2-1037-4806-bdbd-6071e2bc4cd6/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 54df2940ae4d13c219208dbc33c051105041923e87e99fc1d1620ede83e75392 [2023-11-23 20:13:10,944 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:13:10,980 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:13:10,984 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:13:10,985 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:13:10,986 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:13:10,988 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66d82ad2-1037-4806-bdbd-6071e2bc4cd6/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/array-cav19/array_init_both_ends_multiple_sum.c [2023-11-23 20:13:14,360 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:13:14,585 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:13:14,586 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66d82ad2-1037-4806-bdbd-6071e2bc4cd6/sv-benchmarks/c/array-cav19/array_init_both_ends_multiple_sum.c [2023-11-23 20:13:14,594 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66d82ad2-1037-4806-bdbd-6071e2bc4cd6/bin/ukojak-verify-1t5iHCbJaC/data/1b189f177/8b8fce7915134a9e9bb2125f1354a928/FLAG04bd7b91d [2023-11-23 20:13:14,611 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66d82ad2-1037-4806-bdbd-6071e2bc4cd6/bin/ukojak-verify-1t5iHCbJaC/data/1b189f177/8b8fce7915134a9e9bb2125f1354a928 [2023-11-23 20:13:14,614 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:13:14,616 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:13:14,617 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:13:14,618 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:13:14,623 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:13:14,624 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:13:14" (1/1) ... [2023-11-23 20:13:14,626 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d821e8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:14, skipping insertion in model container [2023-11-23 20:13:14,626 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:13:14" (1/1) ... [2023-11-23 20:13:14,649 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:13:14,826 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_66d82ad2-1037-4806-bdbd-6071e2bc4cd6/sv-benchmarks/c/array-cav19/array_init_both_ends_multiple_sum.c[424,437] [2023-11-23 20:13:14,847 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:13:14,856 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:13:14,868 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_66d82ad2-1037-4806-bdbd-6071e2bc4cd6/sv-benchmarks/c/array-cav19/array_init_both_ends_multiple_sum.c[424,437] [2023-11-23 20:13:14,884 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:13:14,902 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:13:14,902 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:14 WrapperNode [2023-11-23 20:13:14,903 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:13:14,904 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:13:14,904 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:13:14,904 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:13:14,913 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:14" (1/1) ... [2023-11-23 20:13:14,922 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:14" (1/1) ... [2023-11-23 20:13:14,943 INFO L138 Inliner]: procedures = 14, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 61 [2023-11-23 20:13:14,944 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:13:14,944 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:13:14,945 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:13:14,945 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:13:14,955 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:14" (1/1) ... [2023-11-23 20:13:14,955 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:14" (1/1) ... [2023-11-23 20:13:14,957 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:14" (1/1) ... [2023-11-23 20:13:14,957 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:14" (1/1) ... [2023-11-23 20:13:14,964 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:14" (1/1) ... [2023-11-23 20:13:14,968 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:14" (1/1) ... [2023-11-23 20:13:14,969 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:14" (1/1) ... [2023-11-23 20:13:14,970 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:14" (1/1) ... [2023-11-23 20:13:14,972 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:13:14,973 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:13:14,973 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:13:14,973 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:13:14,974 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:14" (1/1) ... [2023-11-23 20:13:14,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:13:14,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66d82ad2-1037-4806-bdbd-6071e2bc4cd6/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:13:15,014 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66d82ad2-1037-4806-bdbd-6071e2bc4cd6/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:13:15,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66d82ad2-1037-4806-bdbd-6071e2bc4cd6/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:13:15,060 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:13:15,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:13:15,060 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:13:15,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:13:15,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:13:15,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:13:15,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 20:13:15,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:13:15,130 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:13:15,133 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:13:15,300 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:13:15,361 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:13:15,362 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-23 20:13:15,366 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:13:15 BoogieIcfgContainer [2023-11-23 20:13:15,366 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:13:15,367 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:13:15,367 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:13:15,378 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:13:15,378 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:13:15" (1/1) ... [2023-11-23 20:13:15,388 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:13:15,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:15,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 9 states and 12 transitions. [2023-11-23 20:13:15,452 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 12 transitions. [2023-11-23 20:13:15,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-23 20:13:15,459 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:15,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:15,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:15,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:13:16,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:16,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2023-11-23 20:13:16,057 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2023-11-23 20:13:16,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:13:16,058 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:16,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:16,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:16,272 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:13:16,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:16,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2023-11-23 20:13:16,409 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2023-11-23 20:13:16,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-23 20:13:16,411 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:16,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:16,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:16,580 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:13:16,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:16,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 12 states and 17 transitions. [2023-11-23 20:13:16,653 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 17 transitions. [2023-11-23 20:13:16,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 20:13:16,654 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:16,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:16,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:16,839 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:13:16,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:16,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 13 states and 19 transitions. [2023-11-23 20:13:16,994 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 19 transitions. [2023-11-23 20:13:16,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-23 20:13:16,995 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:16,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:17,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:17,133 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 20:13:17,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:17,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 14 states and 21 transitions. [2023-11-23 20:13:17,195 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 21 transitions. [2023-11-23 20:13:17,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-23 20:13:17,197 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:17,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:17,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:17,295 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 20:13:17,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:17,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 15 states and 22 transitions. [2023-11-23 20:13:17,410 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 22 transitions. [2023-11-23 20:13:17,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-23 20:13:17,411 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:17,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:17,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:17,504 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 20:13:17,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:17,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 16 states and 23 transitions. [2023-11-23 20:13:17,653 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 23 transitions. [2023-11-23 20:13:17,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 20:13:17,654 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:17,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:17,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:17,754 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-23 20:13:17,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:17,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 17 states and 24 transitions. [2023-11-23 20:13:17,789 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 24 transitions. [2023-11-23 20:13:17,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 20:13:17,790 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:17,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:17,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:17,875 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-23 20:13:17,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:17,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 18 states and 25 transitions. [2023-11-23 20:13:17,908 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 25 transitions. [2023-11-23 20:13:17,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-23 20:13:17,909 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:17,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:17,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:17,982 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:13:18,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:18,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 27 transitions. [2023-11-23 20:13:18,081 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 27 transitions. [2023-11-23 20:13:18,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-23 20:13:18,082 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:18,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:18,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:18,171 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:13:18,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:18,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 20 states and 28 transitions. [2023-11-23 20:13:18,262 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 28 transitions. [2023-11-23 20:13:18,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 20:13:18,263 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:18,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:18,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:18,358 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:13:18,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:18,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 29 transitions. [2023-11-23 20:13:18,436 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2023-11-23 20:13:18,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 20:13:18,437 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:18,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:18,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:18,551 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:13:18,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:18,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 30 transitions. [2023-11-23 20:13:18,662 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 30 transitions. [2023-11-23 20:13:18,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:13:18,662 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:18,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:18,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:18,806 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:13:18,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:18,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 23 states and 31 transitions. [2023-11-23 20:13:18,932 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 31 transitions. [2023-11-23 20:13:18,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 20:13:18,933 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:18,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:18,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:19,083 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:13:19,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:19,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 24 states and 32 transitions. [2023-11-23 20:13:19,199 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 32 transitions. [2023-11-23 20:13:19,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-23 20:13:19,200 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:19,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:19,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:19,336 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:13:19,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:19,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 25 states and 33 transitions. [2023-11-23 20:13:19,457 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 33 transitions. [2023-11-23 20:13:19,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-23 20:13:19,458 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:19,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:19,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:19,645 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:13:19,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:19,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 26 states and 34 transitions. [2023-11-23 20:13:19,799 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 34 transitions. [2023-11-23 20:13:19,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-23 20:13:19,807 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:19,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:19,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:20,093 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:13:20,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:20,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 27 states and 35 transitions. [2023-11-23 20:13:20,228 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 35 transitions. [2023-11-23 20:13:20,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-23 20:13:20,235 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:20,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:20,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:20,465 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:13:20,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:20,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 28 states and 36 transitions. [2023-11-23 20:13:20,628 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 36 transitions. [2023-11-23 20:13:20,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 20:13:20,628 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:20,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:20,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:20,851 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:13:21,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:21,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 29 states and 37 transitions. [2023-11-23 20:13:21,002 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 37 transitions. [2023-11-23 20:13:21,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-23 20:13:21,003 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:21,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:21,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:21,207 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:13:21,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:21,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 30 states and 38 transitions. [2023-11-23 20:13:21,371 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 38 transitions. [2023-11-23 20:13:21,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-23 20:13:21,372 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:21,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:21,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:21,614 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:13:21,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:21,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 31 states and 39 transitions. [2023-11-23 20:13:21,814 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 39 transitions. [2023-11-23 20:13:21,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-23 20:13:21,814 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:21,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:21,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:22,052 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:13:22,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:22,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 32 states and 40 transitions. [2023-11-23 20:13:22,214 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 40 transitions. [2023-11-23 20:13:22,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-23 20:13:22,214 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:22,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:22,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:22,322 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2023-11-23 20:13:22,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:22,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 33 states and 41 transitions. [2023-11-23 20:13:22,515 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 41 transitions. [2023-11-23 20:13:22,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-23 20:13:22,516 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:22,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:22,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:22,819 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-23 20:13:22,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:22,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 34 states and 42 transitions. [2023-11-23 20:13:22,990 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 42 transitions. [2023-11-23 20:13:22,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 20:13:22,991 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:22,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:23,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:23,318 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-23 20:13:23,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:23,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 35 states and 43 transitions. [2023-11-23 20:13:23,558 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 43 transitions. [2023-11-23 20:13:23,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-23 20:13:23,559 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:23,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:23,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:23,959 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-23 20:13:24,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:24,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 36 states and 44 transitions. [2023-11-23 20:13:24,170 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 44 transitions. [2023-11-23 20:13:24,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-23 20:13:24,170 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:24,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:24,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:24,476 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-23 20:13:24,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:24,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 37 states and 45 transitions. [2023-11-23 20:13:24,675 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 45 transitions. [2023-11-23 20:13:24,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-23 20:13:24,675 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:24,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:24,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:24,960 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-23 20:13:25,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:25,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 38 states and 46 transitions. [2023-11-23 20:13:25,135 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 46 transitions. [2023-11-23 20:13:25,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-23 20:13:25,135 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:25,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:25,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:25,457 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-23 20:13:25,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:25,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 39 states and 47 transitions. [2023-11-23 20:13:25,632 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 47 transitions. [2023-11-23 20:13:25,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-23 20:13:25,632 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:25,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:25,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:25,938 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-23 20:13:26,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:26,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 40 states and 48 transitions. [2023-11-23 20:13:26,124 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 48 transitions. [2023-11-23 20:13:26,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-23 20:13:26,124 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:26,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:26,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:26,451 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-23 20:13:26,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:26,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 41 states and 49 transitions. [2023-11-23 20:13:26,641 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 49 transitions. [2023-11-23 20:13:26,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-23 20:13:26,641 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:26,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:26,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:26,979 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-23 20:13:27,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:27,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 42 states and 50 transitions. [2023-11-23 20:13:27,191 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 50 transitions. [2023-11-23 20:13:27,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-23 20:13:27,191 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:27,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:27,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:27,586 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-23 20:13:27,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:27,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 43 states and 51 transitions. [2023-11-23 20:13:27,821 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 51 transitions. [2023-11-23 20:13:27,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-23 20:13:27,821 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:27,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:27,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:28,204 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-23 20:13:28,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:28,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 44 states and 52 transitions. [2023-11-23 20:13:28,439 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 52 transitions. [2023-11-23 20:13:28,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-23 20:13:28,440 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:28,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:28,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:28,835 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-23 20:13:29,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:29,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 45 states and 53 transitions. [2023-11-23 20:13:29,075 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 53 transitions. [2023-11-23 20:13:29,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-23 20:13:29,076 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:29,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:29,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:29,524 INFO L134 CoverageAnalysis]: Checked inductivity of 403 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-23 20:13:29,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:29,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 46 states and 54 transitions. [2023-11-23 20:13:29,743 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 54 transitions. [2023-11-23 20:13:29,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-23 20:13:29,744 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:29,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:29,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:30,203 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-23 20:13:30,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:30,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 47 states and 55 transitions. [2023-11-23 20:13:30,450 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 55 transitions. [2023-11-23 20:13:30,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-23 20:13:30,451 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:30,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:30,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:30,891 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-23 20:13:31,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:31,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 48 states and 56 transitions. [2023-11-23 20:13:31,152 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 56 transitions. [2023-11-23 20:13:31,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-23 20:13:31,152 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:31,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:31,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:31,596 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-23 20:13:31,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:31,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 49 states and 57 transitions. [2023-11-23 20:13:31,862 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 57 transitions. [2023-11-23 20:13:31,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-23 20:13:31,863 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:31,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:31,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:32,347 INFO L134 CoverageAnalysis]: Checked inductivity of 521 backedges. 0 proven. 496 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-23 20:13:32,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:32,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 50 states and 58 transitions. [2023-11-23 20:13:32,599 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 58 transitions. [2023-11-23 20:13:32,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-23 20:13:32,599 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:32,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:32,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:33,117 INFO L134 CoverageAnalysis]: Checked inductivity of 553 backedges. 0 proven. 528 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-23 20:13:33,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:33,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 51 states and 59 transitions. [2023-11-23 20:13:33,368 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 59 transitions. [2023-11-23 20:13:33,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-23 20:13:33,369 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:33,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:33,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:33,930 INFO L134 CoverageAnalysis]: Checked inductivity of 586 backedges. 0 proven. 561 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-23 20:13:34,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:34,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 52 states and 60 transitions. [2023-11-23 20:13:34,239 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 60 transitions. [2023-11-23 20:13:34,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-23 20:13:34,239 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:34,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:34,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:34,807 INFO L134 CoverageAnalysis]: Checked inductivity of 620 backedges. 0 proven. 595 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-23 20:13:35,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:35,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 53 states and 61 transitions. [2023-11-23 20:13:35,132 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 61 transitions. [2023-11-23 20:13:35,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-23 20:13:35,132 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:35,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:35,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:35,691 INFO L134 CoverageAnalysis]: Checked inductivity of 655 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-23 20:13:35,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:35,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 54 states and 62 transitions. [2023-11-23 20:13:35,967 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 62 transitions. [2023-11-23 20:13:35,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-23 20:13:35,967 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:35,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:35,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:36,560 INFO L134 CoverageAnalysis]: Checked inductivity of 691 backedges. 0 proven. 666 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-23 20:13:36,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:36,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 55 states and 63 transitions. [2023-11-23 20:13:36,864 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 63 transitions. [2023-11-23 20:13:36,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-23 20:13:36,864 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:36,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:36,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:37,521 INFO L134 CoverageAnalysis]: Checked inductivity of 728 backedges. 0 proven. 703 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-23 20:13:37,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:37,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 56 states and 64 transitions. [2023-11-23 20:13:37,840 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 64 transitions. [2023-11-23 20:13:37,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-23 20:13:37,840 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:37,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:37,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:38,012 INFO L134 CoverageAnalysis]: Checked inductivity of 766 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 751 trivial. 0 not checked. [2023-11-23 20:13:38,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:38,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 57 states and 65 transitions. [2023-11-23 20:13:38,339 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 65 transitions. [2023-11-23 20:13:38,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-23 20:13:38,340 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:38,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:38,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:38,959 INFO L134 CoverageAnalysis]: Checked inductivity of 772 backedges. 0 proven. 741 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2023-11-23 20:13:39,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:39,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 58 states and 66 transitions. [2023-11-23 20:13:39,323 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 66 transitions. [2023-11-23 20:13:39,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-23 20:13:39,324 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:39,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:39,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:39,984 INFO L134 CoverageAnalysis]: Checked inductivity of 811 backedges. 0 proven. 780 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2023-11-23 20:13:40,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:40,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 59 states and 67 transitions. [2023-11-23 20:13:40,337 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 67 transitions. [2023-11-23 20:13:40,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-23 20:13:40,338 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:40,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:40,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:40,992 INFO L134 CoverageAnalysis]: Checked inductivity of 851 backedges. 0 proven. 820 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2023-11-23 20:13:41,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:41,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 60 states and 68 transitions. [2023-11-23 20:13:41,321 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 68 transitions. [2023-11-23 20:13:41,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-23 20:13:41,321 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:41,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:41,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:41,436 INFO L134 CoverageAnalysis]: Checked inductivity of 892 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 882 trivial. 0 not checked. [2023-11-23 20:13:41,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:41,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 61 states and 69 transitions. [2023-11-23 20:13:41,495 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 69 transitions. [2023-11-23 20:13:41,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-23 20:13:41,497 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:41,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:41,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:42,236 INFO L134 CoverageAnalysis]: Checked inductivity of 897 backedges. 0 proven. 861 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-23 20:13:42,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:42,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 62 states and 70 transitions. [2023-11-23 20:13:42,594 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 70 transitions. [2023-11-23 20:13:42,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-23 20:13:42,594 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:42,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:42,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:43,306 INFO L134 CoverageAnalysis]: Checked inductivity of 939 backedges. 0 proven. 903 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-23 20:13:43,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:43,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 63 states and 71 transitions. [2023-11-23 20:13:43,677 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 71 transitions. [2023-11-23 20:13:43,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-23 20:13:43,677 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:43,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:43,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:44,408 INFO L134 CoverageAnalysis]: Checked inductivity of 982 backedges. 0 proven. 946 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-23 20:13:44,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:44,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 64 states and 72 transitions. [2023-11-23 20:13:44,763 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 72 transitions. [2023-11-23 20:13:44,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-23 20:13:44,764 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:44,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:44,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:45,420 INFO L134 CoverageAnalysis]: Checked inductivity of 1026 backedges. 0 proven. 990 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-23 20:13:45,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:45,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 65 states and 73 transitions. [2023-11-23 20:13:45,775 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 73 transitions. [2023-11-23 20:13:45,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-23 20:13:45,775 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:45,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:45,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:46,433 INFO L134 CoverageAnalysis]: Checked inductivity of 1071 backedges. 0 proven. 1035 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-23 20:13:46,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:46,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 66 states and 74 transitions. [2023-11-23 20:13:46,810 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 74 transitions. [2023-11-23 20:13:46,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-23 20:13:46,810 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:46,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:46,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:47,565 INFO L134 CoverageAnalysis]: Checked inductivity of 1117 backedges. 0 proven. 1081 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-23 20:13:47,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:47,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 67 states and 75 transitions. [2023-11-23 20:13:47,925 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 75 transitions. [2023-11-23 20:13:47,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-23 20:13:47,925 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:47,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:47,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:48,646 INFO L134 CoverageAnalysis]: Checked inductivity of 1164 backedges. 0 proven. 1128 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-23 20:13:48,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:48,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 68 states and 76 transitions. [2023-11-23 20:13:48,979 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 76 transitions. [2023-11-23 20:13:48,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-23 20:13:48,980 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:48,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:49,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:49,887 INFO L134 CoverageAnalysis]: Checked inductivity of 1212 backedges. 0 proven. 1176 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-23 20:13:50,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:50,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 69 states and 77 transitions. [2023-11-23 20:13:50,308 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 77 transitions. [2023-11-23 20:13:50,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-23 20:13:50,309 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:50,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:50,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:51,146 INFO L134 CoverageAnalysis]: Checked inductivity of 1261 backedges. 0 proven. 1225 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-23 20:13:51,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:51,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 70 states and 78 transitions. [2023-11-23 20:13:51,605 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 78 transitions. [2023-11-23 20:13:51,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-23 20:13:51,606 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:51,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:51,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:52,543 INFO L134 CoverageAnalysis]: Checked inductivity of 1311 backedges. 0 proven. 1275 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-23 20:13:53,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:53,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 71 states and 79 transitions. [2023-11-23 20:13:53,027 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 79 transitions. [2023-11-23 20:13:53,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-23 20:13:53,027 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:53,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:53,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:53,947 INFO L134 CoverageAnalysis]: Checked inductivity of 1362 backedges. 0 proven. 1326 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-23 20:13:54,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:54,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 72 states and 80 transitions. [2023-11-23 20:13:54,402 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 80 transitions. [2023-11-23 20:13:54,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-23 20:13:54,403 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:54,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:54,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:55,197 INFO L134 CoverageAnalysis]: Checked inductivity of 1414 backedges. 0 proven. 1378 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked.