./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-acceleration/nested_1-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_418dea4e-bc91-400d-930f-15390ad3c3f3/bin/ukojak-d1pc8ZmBRL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_418dea4e-bc91-400d-930f-15390ad3c3f3/bin/ukojak-d1pc8ZmBRL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_418dea4e-bc91-400d-930f-15390ad3c3f3/bin/ukojak-d1pc8ZmBRL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_418dea4e-bc91-400d-930f-15390ad3c3f3/bin/ukojak-d1pc8ZmBRL/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-acceleration/nested_1-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_418dea4e-bc91-400d-930f-15390ad3c3f3/bin/ukojak-d1pc8ZmBRL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_418dea4e-bc91-400d-930f-15390ad3c3f3/bin/ukojak-d1pc8ZmBRL --witnessprinter.witness.filename witness.graphml --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 8828f6ff39cd2bcfba4fe3d04f0119d60137bcad91eabef2e2b840cbd0802b98 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 06:34:39,268 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 06:34:39,270 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 06:34:39,300 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 06:34:39,301 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 06:34:39,303 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 06:34:39,306 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 06:34:39,311 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 06:34:39,314 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 06:34:39,316 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 06:34:39,317 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 06:34:39,320 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 06:34:39,321 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 06:34:39,345 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 06:34:39,348 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 06:34:39,350 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 06:34:39,352 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 06:34:39,355 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 06:34:39,359 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 06:34:39,363 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 06:34:39,365 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 06:34:39,366 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 06:34:39,367 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 06:34:39,368 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 06:34:39,371 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 06:34:39,372 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 06:34:39,372 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 06:34:39,373 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 06:34:39,374 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 06:34:39,384 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 06:34:39,384 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 06:34:39,385 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 06:34:39,386 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 06:34:39,387 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 06:34:39,388 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 06:34:39,388 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 06:34:39,389 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 06:34:39,389 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 06:34:39,389 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 06:34:39,390 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 06:34:39,391 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 06:34:39,392 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_418dea4e-bc91-400d-930f-15390ad3c3f3/bin/ukojak-d1pc8ZmBRL/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-25 06:34:39,430 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 06:34:39,430 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 06:34:39,431 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 06:34:39,432 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-25 06:34:39,432 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-25 06:34:39,432 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-25 06:34:39,433 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 06:34:39,433 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 06:34:39,439 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 06:34:39,439 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 06:34:39,440 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 06:34:39,441 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 06:34:39,441 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 06:34:39,441 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 06:34:39,441 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 06:34:39,441 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 06:34:39,441 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 06:34:39,442 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 06:34:39,442 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-25 06:34:39,442 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-25 06:34:39,442 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 06:34:39,442 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-25 06:34:39,443 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 06:34:39,443 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 06:34:39,443 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 06:34:39,443 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-25 06:34:39,443 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 06:34:39,444 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 06:34:39,444 INFO L138 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_418dea4e-bc91-400d-930f-15390ad3c3f3/bin/ukojak-d1pc8ZmBRL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_418dea4e-bc91-400d-930f-15390ad3c3f3/bin/ukojak-d1pc8ZmBRL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8828f6ff39cd2bcfba4fe3d04f0119d60137bcad91eabef2e2b840cbd0802b98 [2021-11-25 06:34:39,710 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 06:34:39,747 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 06:34:39,750 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 06:34:39,751 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 06:34:39,753 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 06:34:39,754 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_418dea4e-bc91-400d-930f-15390ad3c3f3/bin/ukojak-d1pc8ZmBRL/../../sv-benchmarks/c/loop-acceleration/nested_1-2.c [2021-11-25 06:34:39,878 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_418dea4e-bc91-400d-930f-15390ad3c3f3/bin/ukojak-d1pc8ZmBRL/data/21de1cf05/52ab52cdcf3345f890794cc0997f1736/FLAGfead34108 [2021-11-25 06:34:40,323 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 06:34:40,324 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_418dea4e-bc91-400d-930f-15390ad3c3f3/sv-benchmarks/c/loop-acceleration/nested_1-2.c [2021-11-25 06:34:40,329 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_418dea4e-bc91-400d-930f-15390ad3c3f3/bin/ukojak-d1pc8ZmBRL/data/21de1cf05/52ab52cdcf3345f890794cc0997f1736/FLAGfead34108 [2021-11-25 06:34:40,737 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_418dea4e-bc91-400d-930f-15390ad3c3f3/bin/ukojak-d1pc8ZmBRL/data/21de1cf05/52ab52cdcf3345f890794cc0997f1736 [2021-11-25 06:34:40,740 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 06:34:40,741 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 06:34:40,742 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 06:34:40,742 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 06:34:40,746 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 06:34:40,747 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:34:40" (1/1) ... [2021-11-25 06:34:40,748 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1942100f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:34:40, skipping insertion in model container [2021-11-25 06:34:40,749 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:34:40" (1/1) ... [2021-11-25 06:34:40,755 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 06:34:40,768 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 06:34:40,891 WARN L230 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_418dea4e-bc91-400d-930f-15390ad3c3f3/sv-benchmarks/c/loop-acceleration/nested_1-2.c[322,335] [2021-11-25 06:34:40,902 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 06:34:40,911 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 06:34:40,922 WARN L230 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_418dea4e-bc91-400d-930f-15390ad3c3f3/sv-benchmarks/c/loop-acceleration/nested_1-2.c[322,335] [2021-11-25 06:34:40,925 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 06:34:40,938 INFO L208 MainTranslator]: Completed translation [2021-11-25 06:34:40,939 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:34:40 WrapperNode [2021-11-25 06:34:40,939 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 06:34:40,940 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 06:34:40,941 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 06:34:40,941 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 06:34:40,948 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:34:40" (1/1) ... [2021-11-25 06:34:40,955 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:34:40" (1/1) ... [2021-11-25 06:34:40,972 INFO L137 Inliner]: procedures = 12, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 34 [2021-11-25 06:34:40,973 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 06:34:40,973 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 06:34:40,974 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 06:34:40,974 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 06:34:40,982 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:34:40" (1/1) ... [2021-11-25 06:34:40,982 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:34:40" (1/1) ... [2021-11-25 06:34:40,983 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:34:40" (1/1) ... [2021-11-25 06:34:40,984 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:34:40" (1/1) ... [2021-11-25 06:34:40,986 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:34:40" (1/1) ... [2021-11-25 06:34:40,990 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:34:40" (1/1) ... [2021-11-25 06:34:40,991 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:34:40" (1/1) ... [2021-11-25 06:34:40,992 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 06:34:40,993 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 06:34:40,994 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 06:34:40,994 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 06:34:40,995 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:34:40" (1/1) ... [2021-11-25 06:34:41,002 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-25 06:34:41,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_418dea4e-bc91-400d-930f-15390ad3c3f3/bin/ukojak-d1pc8ZmBRL/z3 [2021-11-25 06:34:41,028 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_418dea4e-bc91-400d-930f-15390ad3c3f3/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-25 06:34:41,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_418dea4e-bc91-400d-930f-15390ad3c3f3/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-25 06:34:41,076 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 06:34:41,076 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 06:34:41,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 06:34:41,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 06:34:41,155 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 06:34:41,157 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 06:34:41,270 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 06:34:41,289 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 06:34:41,289 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-25 06:34:41,291 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:34:41 BoogieIcfgContainer [2021-11-25 06:34:41,291 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 06:34:41,292 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-25 06:34:41,292 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-25 06:34:41,302 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-25 06:34:41,302 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:34:41" (1/1) ... [2021-11-25 06:34:41,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 06:34:41,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:34:41,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2021-11-25 06:34:41,381 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2021-11-25 06:34:41,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-25 06:34:41,387 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:34:41,388 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:34:41,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:34:41,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:34:41,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:34:41,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2021-11-25 06:34:41,586 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2021-11-25 06:34:41,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-25 06:34:41,587 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:34:41,587 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:34:41,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:34:41,659 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:34:41,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:34:41,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 10 states and 12 transitions. [2021-11-25 06:34:41,686 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 12 transitions. [2021-11-25 06:34:41,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-25 06:34:41,687 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:34:41,687 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:34:41,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:34:41,788 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:34:41,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:34:41,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 11 states and 13 transitions. [2021-11-25 06:34:41,867 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2021-11-25 06:34:41,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-25 06:34:41,868 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:34:41,869 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:34:41,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:34:41,973 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:34:42,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:34:42,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2021-11-25 06:34:42,035 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2021-11-25 06:34:42,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-25 06:34:42,035 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:34:42,036 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:34:42,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:34:42,129 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:34:42,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:34:42,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 13 states and 15 transitions. [2021-11-25 06:34:42,198 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2021-11-25 06:34:42,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-25 06:34:42,199 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:34:42,199 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:34:42,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:34:42,337 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:34:42,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:34:42,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2021-11-25 06:34:42,412 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2021-11-25 06:34:42,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-25 06:34:42,413 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:34:42,413 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:34:42,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:34:42,541 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:34:42,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:34:42,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2021-11-25 06:34:42,624 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2021-11-25 06:34:42,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-25 06:34:42,625 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:34:42,625 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:34:42,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:34:42,774 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 1 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:34:42,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:34:42,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2021-11-25 06:34:42,871 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2021-11-25 06:34:42,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-25 06:34:42,872 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:34:42,872 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:34:42,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:34:43,080 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 1 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:34:43,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:34:43,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 17 states and 19 transitions. [2021-11-25 06:34:43,179 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2021-11-25 06:34:43,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-25 06:34:43,181 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:34:43,182 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:34:43,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:34:43,417 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 1 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:34:43,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:34:43,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 18 states and 20 transitions. [2021-11-25 06:34:43,514 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2021-11-25 06:34:43,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-25 06:34:43,515 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:34:43,515 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:34:43,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:34:43,735 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 1 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:34:43,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:34:43,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 19 states and 21 transitions. [2021-11-25 06:34:43,838 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 21 transitions. [2021-11-25 06:34:43,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-25 06:34:43,839 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:34:43,839 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:34:43,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:34:43,920 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-11-25 06:34:45,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:34:45,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 31 states and 34 transitions. [2021-11-25 06:34:45,176 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 34 transitions. [2021-11-25 06:34:45,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-25 06:34:45,176 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:34:45,177 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:34:45,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:34:45,363 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 0 proven. 124 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2021-11-25 06:34:47,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:34:47,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 43 states and 47 transitions. [2021-11-25 06:34:47,382 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 47 transitions. [2021-11-25 06:34:47,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-25 06:34:47,383 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:34:47,383 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:34:47,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:34:47,622 INFO L134 CoverageAnalysis]: Checked inductivity of 534 backedges. 0 proven. 369 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2021-11-25 06:34:49,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:34:49,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 55 states and 60 transitions. [2021-11-25 06:34:49,686 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 60 transitions. [2021-11-25 06:34:49,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-25 06:34:49,689 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:34:49,689 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:34:49,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:34:49,985 INFO L134 CoverageAnalysis]: Checked inductivity of 956 backedges. 0 proven. 736 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2021-11-25 06:34:52,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:34:52,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 67 states and 73 transitions. [2021-11-25 06:34:52,433 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 73 transitions. [2021-11-25 06:34:52,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-25 06:34:52,434 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:34:52,434 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:34:52,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:34:52,933 INFO L134 CoverageAnalysis]: Checked inductivity of 1500 backedges. 0 proven. 1225 refuted. 0 times theorem prover too weak. 275 trivial. 0 not checked. [2021-11-25 06:34:56,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:34:56,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 79 states and 86 transitions. [2021-11-25 06:34:56,163 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 86 transitions. [2021-11-25 06:34:56,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-11-25 06:34:56,164 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:34:56,164 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:34:56,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:34:56,841 INFO L134 CoverageAnalysis]: Checked inductivity of 2166 backedges. 0 proven. 1836 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2021-11-25 06:35:00,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:35:00,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 91 states and 99 transitions. [2021-11-25 06:35:00,439 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 99 transitions. [2021-11-25 06:35:00,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-25 06:35:00,441 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:35:00,441 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:35:00,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:35:01,199 INFO L134 CoverageAnalysis]: Checked inductivity of 2954 backedges. 0 proven. 2569 refuted. 0 times theorem prover too weak. 385 trivial. 0 not checked. [2021-11-25 06:35:05,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:35:05,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 103 states and 112 transitions. [2021-11-25 06:35:05,371 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 112 transitions. [2021-11-25 06:35:05,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-25 06:35:05,373 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:35:05,373 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:35:05,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:35:06,317 INFO L134 CoverageAnalysis]: Checked inductivity of 3864 backedges. 0 proven. 3424 refuted. 0 times theorem prover too weak. 440 trivial. 0 not checked. [2021-11-25 06:35:11,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:35:11,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 115 states and 125 transitions. [2021-11-25 06:35:11,243 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 125 transitions. [2021-11-25 06:35:11,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-11-25 06:35:11,245 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:35:11,245 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:35:11,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:35:12,459 INFO L134 CoverageAnalysis]: Checked inductivity of 4896 backedges. 0 proven. 4401 refuted. 0 times theorem prover too weak. 495 trivial. 0 not checked. [2021-11-25 06:35:17,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:35:17,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 127 states and 138 transitions. [2021-11-25 06:35:17,848 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 138 transitions. [2021-11-25 06:35:17,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-11-25 06:35:17,850 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:35:17,850 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:35:17,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:35:19,305 INFO L134 CoverageAnalysis]: Checked inductivity of 6050 backedges. 0 proven. 5500 refuted. 0 times theorem prover too weak. 550 trivial. 0 not checked. [2021-11-25 06:35:25,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:35:25,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 139 states and 151 transitions. [2021-11-25 06:35:25,421 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 151 transitions. [2021-11-25 06:35:25,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2021-11-25 06:35:25,422 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:35:25,423 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:35:25,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:35:27,033 INFO L134 CoverageAnalysis]: Checked inductivity of 7326 backedges. 0 proven. 6721 refuted. 0 times theorem prover too weak. 605 trivial. 0 not checked. [2021-11-25 06:35:33,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:35:33,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 151 states and 164 transitions. [2021-11-25 06:35:33,710 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 164 transitions. [2021-11-25 06:35:33,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2021-11-25 06:35:33,711 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:35:33,711 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:35:33,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:35:35,583 INFO L134 CoverageAnalysis]: Checked inductivity of 8724 backedges. 0 proven. 8064 refuted. 0 times theorem prover too weak. 660 trivial. 0 not checked. [2021-11-25 06:35:43,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:35:43,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 163 states and 177 transitions. [2021-11-25 06:35:43,084 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 177 transitions. [2021-11-25 06:35:43,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2021-11-25 06:35:43,086 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:35:43,086 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:35:43,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:35:45,425 INFO L134 CoverageAnalysis]: Checked inductivity of 10244 backedges. 0 proven. 9529 refuted. 0 times theorem prover too weak. 715 trivial. 0 not checked. [2021-11-25 06:35:53,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:35:53,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 175 states and 190 transitions. [2021-11-25 06:35:53,583 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 190 transitions. [2021-11-25 06:35:53,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2021-11-25 06:35:53,585 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:35:53,585 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:35:53,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:35:56,243 INFO L134 CoverageAnalysis]: Checked inductivity of 11886 backedges. 0 proven. 11116 refuted. 0 times theorem prover too weak. 770 trivial. 0 not checked. [2021-11-25 06:36:05,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:36:05,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 187 states and 203 transitions. [2021-11-25 06:36:05,366 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 203 transitions. [2021-11-25 06:36:05,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2021-11-25 06:36:05,367 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:36:05,367 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:36:05,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:36:08,128 INFO L134 CoverageAnalysis]: Checked inductivity of 13650 backedges. 0 proven. 12825 refuted. 0 times theorem prover too weak. 825 trivial. 0 not checked. [2021-11-25 06:36:18,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:36:18,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 199 states and 216 transitions. [2021-11-25 06:36:18,261 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 216 transitions. [2021-11-25 06:36:18,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2021-11-25 06:36:18,261 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:36:18,262 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:36:18,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:36:21,307 INFO L134 CoverageAnalysis]: Checked inductivity of 15536 backedges. 0 proven. 14656 refuted. 0 times theorem prover too weak. 880 trivial. 0 not checked. [2021-11-25 06:36:32,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:36:32,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 211 states and 229 transitions. [2021-11-25 06:36:32,212 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 229 transitions. [2021-11-25 06:36:32,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2021-11-25 06:36:32,213 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:36:32,214 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:36:32,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:36:35,826 INFO L134 CoverageAnalysis]: Checked inductivity of 17544 backedges. 0 proven. 16609 refuted. 0 times theorem prover too weak. 935 trivial. 0 not checked. [2021-11-25 06:36:47,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:36:47,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 223 states and 242 transitions. [2021-11-25 06:36:47,627 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 242 transitions. [2021-11-25 06:36:47,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2021-11-25 06:36:47,628 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:36:47,629 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:36:47,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:36:51,591 INFO L134 CoverageAnalysis]: Checked inductivity of 19674 backedges. 0 proven. 18684 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2021-11-25 06:37:04,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:37:04,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 235 states and 255 transitions. [2021-11-25 06:37:04,258 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 255 transitions. [2021-11-25 06:37:04,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2021-11-25 06:37:04,260 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:37:04,260 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:37:04,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:37:08,725 INFO L134 CoverageAnalysis]: Checked inductivity of 21926 backedges. 0 proven. 20881 refuted. 0 times theorem prover too weak. 1045 trivial. 0 not checked. [2021-11-25 06:37:22,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:37:22,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 247 states and 268 transitions. [2021-11-25 06:37:22,368 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 268 transitions. [2021-11-25 06:37:22,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2021-11-25 06:37:22,369 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:37:22,369 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:37:22,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:37:27,393 INFO L134 CoverageAnalysis]: Checked inductivity of 24300 backedges. 0 proven. 23200 refuted. 0 times theorem prover too weak. 1100 trivial. 0 not checked. [2021-11-25 06:37:42,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:37:42,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 259 states and 281 transitions. [2021-11-25 06:37:42,131 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 281 transitions. [2021-11-25 06:37:42,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2021-11-25 06:37:42,132 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:37:42,132 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:37:42,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:37:47,681 INFO L134 CoverageAnalysis]: Checked inductivity of 26796 backedges. 0 proven. 25641 refuted. 0 times theorem prover too weak. 1155 trivial. 0 not checked. [2021-11-25 06:38:03,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:38:03,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 271 states and 294 transitions. [2021-11-25 06:38:03,331 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 294 transitions. [2021-11-25 06:38:03,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2021-11-25 06:38:03,332 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:38:03,332 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:38:03,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:38:09,267 INFO L134 CoverageAnalysis]: Checked inductivity of 29414 backedges. 0 proven. 28204 refuted. 0 times theorem prover too weak. 1210 trivial. 0 not checked. [2021-11-25 06:38:26,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:38:26,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 283 states and 307 transitions. [2021-11-25 06:38:26,055 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 307 transitions. [2021-11-25 06:38:26,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2021-11-25 06:38:26,057 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:38:26,057 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:38:26,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:38:32,709 INFO L134 CoverageAnalysis]: Checked inductivity of 32154 backedges. 0 proven. 30889 refuted. 0 times theorem prover too weak. 1265 trivial. 0 not checked. [2021-11-25 06:38:50,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:38:50,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 295 states and 320 transitions. [2021-11-25 06:38:50,696 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 320 transitions. [2021-11-25 06:38:50,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2021-11-25 06:38:50,698 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:38:50,698 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:38:50,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:38:57,790 INFO L134 CoverageAnalysis]: Checked inductivity of 35016 backedges. 0 proven. 33696 refuted. 0 times theorem prover too weak. 1320 trivial. 0 not checked. [2021-11-25 06:39:17,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:39:17,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 307 states and 333 transitions. [2021-11-25 06:39:17,254 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 333 transitions. [2021-11-25 06:39:17,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2021-11-25 06:39:17,256 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:39:17,256 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:39:17,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:39:25,422 INFO L134 CoverageAnalysis]: Checked inductivity of 38000 backedges. 0 proven. 36625 refuted. 0 times theorem prover too weak. 1375 trivial. 0 not checked. [2021-11-25 06:39:46,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:39:46,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 319 states and 346 transitions. [2021-11-25 06:39:46,692 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 346 transitions. [2021-11-25 06:39:46,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2021-11-25 06:39:46,693 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:39:46,693 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:39:46,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:39:55,291 INFO L134 CoverageAnalysis]: Checked inductivity of 41106 backedges. 0 proven. 39676 refuted. 0 times theorem prover too weak. 1430 trivial. 0 not checked. [2021-11-25 06:40:17,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:40:17,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 331 states and 359 transitions. [2021-11-25 06:40:17,535 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 359 transitions. [2021-11-25 06:40:17,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2021-11-25 06:40:17,536 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:40:17,536 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:40:17,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:40:26,965 INFO L134 CoverageAnalysis]: Checked inductivity of 44334 backedges. 0 proven. 42849 refuted. 0 times theorem prover too weak. 1485 trivial. 0 not checked. [2021-11-25 06:40:50,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:40:50,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 343 states and 372 transitions. [2021-11-25 06:40:50,363 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 372 transitions. [2021-11-25 06:40:50,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2021-11-25 06:40:50,365 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:40:50,365 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:40:50,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:41:00,433 INFO L134 CoverageAnalysis]: Checked inductivity of 47684 backedges. 0 proven. 46144 refuted. 0 times theorem prover too weak. 1540 trivial. 0 not checked. [2021-11-25 06:41:24,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:41:24,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 355 states and 385 transitions. [2021-11-25 06:41:24,915 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 385 transitions. [2021-11-25 06:41:24,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 353 [2021-11-25 06:41:24,917 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:41:24,918 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:41:25,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:41:36,061 INFO L134 CoverageAnalysis]: Checked inductivity of 51156 backedges. 0 proven. 49561 refuted. 0 times theorem prover too weak. 1595 trivial. 0 not checked. [2021-11-25 06:42:01,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:01,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 367 states and 398 transitions. [2021-11-25 06:42:01,783 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 398 transitions. [2021-11-25 06:42:01,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 365 [2021-11-25 06:42:01,785 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:01,785 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:01,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:13,712 INFO L134 CoverageAnalysis]: Checked inductivity of 54750 backedges. 0 proven. 53100 refuted. 0 times theorem prover too weak. 1650 trivial. 0 not checked. [2021-11-25 06:42:41,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:41,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 379 states and 411 transitions. [2021-11-25 06:42:41,200 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 411 transitions. [2021-11-25 06:42:41,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 377 [2021-11-25 06:42:41,202 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:41,202 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:41,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:54,261 INFO L134 CoverageAnalysis]: Checked inductivity of 58466 backedges. 0 proven. 56761 refuted. 0 times theorem prover too weak. 1705 trivial. 0 not checked. [2021-11-25 06:43:23,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:43:23,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 391 states and 424 transitions. [2021-11-25 06:43:23,262 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 424 transitions. [2021-11-25 06:43:23,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 389 [2021-11-25 06:43:23,264 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:43:23,265 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:43:23,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:43:37,760 INFO L134 CoverageAnalysis]: Checked inductivity of 62304 backedges. 0 proven. 60544 refuted. 0 times theorem prover too weak. 1760 trivial. 0 not checked. [2021-11-25 06:44:07,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:44:07,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 403 states and 437 transitions. [2021-11-25 06:44:07,770 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 437 transitions. [2021-11-25 06:44:07,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 401 [2021-11-25 06:44:07,772 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:44:07,773 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:44:07,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:44:22,516 INFO L134 CoverageAnalysis]: Checked inductivity of 66264 backedges. 0 proven. 64449 refuted. 0 times theorem prover too weak. 1815 trivial. 0 not checked. [2021-11-25 06:44:54,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:44:54,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 415 states and 450 transitions. [2021-11-25 06:44:54,501 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 450 transitions. [2021-11-25 06:44:54,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 413 [2021-11-25 06:44:54,503 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:44:54,503 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:44:54,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:45:10,528 INFO L134 CoverageAnalysis]: Checked inductivity of 70346 backedges. 0 proven. 68476 refuted. 0 times theorem prover too weak. 1870 trivial. 0 not checked. [2021-11-25 06:45:44,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:45:44,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 427 states and 463 transitions. [2021-11-25 06:45:44,442 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 463 transitions. [2021-11-25 06:45:44,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 425 [2021-11-25 06:45:44,445 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:45:44,445 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:45:44,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:46:01,770 INFO L134 CoverageAnalysis]: Checked inductivity of 74550 backedges. 0 proven. 72625 refuted. 0 times theorem prover too weak. 1925 trivial. 0 not checked.