./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-acceleration/nested_1-1.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_eb3fbcc5-d1bc-4c17-9132-ad619cf73908/bin/ukojak-d1pc8ZmBRL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb3fbcc5-d1bc-4c17-9132-ad619cf73908/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_eb3fbcc5-d1bc-4c17-9132-ad619cf73908/bin/ukojak-d1pc8ZmBRL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb3fbcc5-d1bc-4c17-9132-ad619cf73908/bin/ukojak-d1pc8ZmBRL/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-acceleration/nested_1-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb3fbcc5-d1bc-4c17-9132-ad619cf73908/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_eb3fbcc5-d1bc-4c17-9132-ad619cf73908/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 7d46306d0f449fc697e3921b4f35c60335f25019c8462cefcaf92538159e3d14 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 07:30:42,407 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 07:30:42,410 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 07:30:42,453 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 07:30:42,454 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 07:30:42,456 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 07:30:42,458 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 07:30:42,461 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 07:30:42,464 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 07:30:42,466 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 07:30:42,467 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 07:30:42,469 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 07:30:42,470 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 07:30:42,472 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 07:30:42,474 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 07:30:42,476 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 07:30:42,477 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 07:30:42,479 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 07:30:42,482 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 07:30:42,485 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 07:30:42,487 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 07:30:42,489 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 07:30:42,491 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 07:30:42,493 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 07:30:42,497 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 07:30:42,498 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 07:30:42,499 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 07:30:42,500 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 07:30:42,501 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 07:30:42,503 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 07:30:42,503 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 07:30:42,505 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 07:30:42,506 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 07:30:42,507 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 07:30:42,509 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 07:30:42,510 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 07:30:42,511 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 07:30:42,511 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 07:30:42,512 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 07:30:42,513 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 07:30:42,515 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 07:30:42,516 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb3fbcc5-d1bc-4c17-9132-ad619cf73908/bin/ukojak-d1pc8ZmBRL/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-25 07:30:42,547 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 07:30:42,548 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 07:30:42,549 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 07:30:42,549 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-25 07:30:42,550 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-25 07:30:42,551 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-25 07:30:42,551 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 07:30:42,552 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 07:30:42,552 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 07:30:42,552 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 07:30:42,553 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 07:30:42,553 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 07:30:42,553 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 07:30:42,554 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 07:30:42,554 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 07:30:42,554 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 07:30:42,555 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 07:30:42,555 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 07:30:42,555 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-25 07:30:42,556 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-25 07:30:42,556 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 07:30:42,556 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-25 07:30:42,557 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 07:30:42,557 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 07:30:42,557 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 07:30:42,557 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-25 07:30:42,558 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 07:30:42,558 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 07:30:42,558 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_eb3fbcc5-d1bc-4c17-9132-ad619cf73908/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb3fbcc5-d1bc-4c17-9132-ad619cf73908/bin/ukojak-d1pc8ZmBRL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7d46306d0f449fc697e3921b4f35c60335f25019c8462cefcaf92538159e3d14 [2021-11-25 07:30:42,893 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 07:30:42,919 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 07:30:42,922 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 07:30:42,924 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 07:30:42,927 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 07:30:42,929 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb3fbcc5-d1bc-4c17-9132-ad619cf73908/bin/ukojak-d1pc8ZmBRL/../../sv-benchmarks/c/loop-acceleration/nested_1-1.c [2021-11-25 07:30:43,013 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb3fbcc5-d1bc-4c17-9132-ad619cf73908/bin/ukojak-d1pc8ZmBRL/data/ad705237a/40283207e49f4579a3abe17093676429/FLAG9539f1d56 [2021-11-25 07:30:43,587 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 07:30:43,587 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb3fbcc5-d1bc-4c17-9132-ad619cf73908/sv-benchmarks/c/loop-acceleration/nested_1-1.c [2021-11-25 07:30:43,595 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb3fbcc5-d1bc-4c17-9132-ad619cf73908/bin/ukojak-d1pc8ZmBRL/data/ad705237a/40283207e49f4579a3abe17093676429/FLAG9539f1d56 [2021-11-25 07:30:43,941 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb3fbcc5-d1bc-4c17-9132-ad619cf73908/bin/ukojak-d1pc8ZmBRL/data/ad705237a/40283207e49f4579a3abe17093676429 [2021-11-25 07:30:43,943 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 07:30:43,945 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 07:30:43,952 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 07:30:43,952 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 07:30:43,955 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 07:30:43,956 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:30:43" (1/1) ... [2021-11-25 07:30:43,958 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@101594a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:30:43, skipping insertion in model container [2021-11-25 07:30:43,958 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:30:43" (1/1) ... [2021-11-25 07:30:43,966 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 07:30:43,981 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 07:30:44,217 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_eb3fbcc5-d1bc-4c17-9132-ad619cf73908/sv-benchmarks/c/loop-acceleration/nested_1-1.c[322,335] [2021-11-25 07:30:44,230 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 07:30:44,241 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 07:30:44,256 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_eb3fbcc5-d1bc-4c17-9132-ad619cf73908/sv-benchmarks/c/loop-acceleration/nested_1-1.c[322,335] [2021-11-25 07:30:44,260 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 07:30:44,274 INFO L208 MainTranslator]: Completed translation [2021-11-25 07:30:44,275 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:30:44 WrapperNode [2021-11-25 07:30:44,275 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 07:30:44,276 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 07:30:44,277 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 07:30:44,277 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 07:30:44,286 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:30:44" (1/1) ... [2021-11-25 07:30:44,294 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:30:44" (1/1) ... [2021-11-25 07:30:44,320 INFO L137 Inliner]: procedures = 12, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 34 [2021-11-25 07:30:44,320 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 07:30:44,321 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 07:30:44,322 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 07:30:44,322 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 07:30:44,330 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:30:44" (1/1) ... [2021-11-25 07:30:44,331 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:30:44" (1/1) ... [2021-11-25 07:30:44,332 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:30:44" (1/1) ... [2021-11-25 07:30:44,333 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:30:44" (1/1) ... [2021-11-25 07:30:44,336 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:30:44" (1/1) ... [2021-11-25 07:30:44,349 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:30:44" (1/1) ... [2021-11-25 07:30:44,352 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:30:44" (1/1) ... [2021-11-25 07:30:44,354 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 07:30:44,364 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 07:30:44,364 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 07:30:44,365 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 07:30:44,366 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:30:44" (1/1) ... [2021-11-25 07:30:44,375 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-25 07:30:44,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb3fbcc5-d1bc-4c17-9132-ad619cf73908/bin/ukojak-d1pc8ZmBRL/z3 [2021-11-25 07:30:44,408 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb3fbcc5-d1bc-4c17-9132-ad619cf73908/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-25 07:30:44,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb3fbcc5-d1bc-4c17-9132-ad619cf73908/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-25 07:30:44,459 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 07:30:44,459 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 07:30:44,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 07:30:44,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 07:30:44,524 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 07:30:44,526 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 07:30:44,631 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 07:30:44,654 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 07:30:44,654 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-25 07:30:44,657 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:30:44 BoogieIcfgContainer [2021-11-25 07:30:44,657 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 07:30:44,659 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-25 07:30:44,659 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-25 07:30:44,671 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-25 07:30:44,671 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:30:44" (1/1) ... [2021-11-25 07:30:44,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 07:30:44,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:30:44,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2021-11-25 07:30:44,748 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2021-11-25 07:30:44,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-25 07:30:44,751 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:30:44,752 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:30:44,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:30:44,943 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 07:30:45,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:30:45,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2021-11-25 07:30:45,013 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2021-11-25 07:30:45,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-25 07:30:45,013 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:30:45,014 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:30:45,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:30:45,099 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 07:30:45,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:30:45,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 10 states and 12 transitions. [2021-11-25 07:30:45,171 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 12 transitions. [2021-11-25 07:30:45,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-25 07:30:45,171 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:30:45,172 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:30:45,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:30:45,278 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 07:30:45,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:30:45,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 11 states and 13 transitions. [2021-11-25 07:30:45,376 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2021-11-25 07:30:45,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-25 07:30:45,377 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:30:45,377 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:30:45,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:30:45,541 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 07:30:45,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:30:45,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2021-11-25 07:30:45,650 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2021-11-25 07:30:45,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-25 07:30:45,650 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:30:45,651 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:30:45,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:30:45,742 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 07:30:45,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:30:45,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 13 states and 15 transitions. [2021-11-25 07:30:45,811 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2021-11-25 07:30:45,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-25 07:30:45,812 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:30:45,812 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:30:45,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:30:45,934 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 07:30:46,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:30:46,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2021-11-25 07:30:46,014 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2021-11-25 07:30:46,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-25 07:30:46,015 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:30:46,016 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:30:46,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:30:46,218 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 07:30:46,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:30:46,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2021-11-25 07:30:46,322 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2021-11-25 07:30:46,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-25 07:30:46,324 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:30:46,324 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:30:46,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:30:46,532 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 07:30:46,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:30:46,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2021-11-25 07:30:46,627 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2021-11-25 07:30:46,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-25 07:30:46,628 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:30:46,628 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:30:46,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:30:46,856 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 07:30:46,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:30:46,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 17 states and 19 transitions. [2021-11-25 07:30:46,953 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2021-11-25 07:30:46,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-25 07:30:46,956 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:30:46,956 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:30:46,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:30:47,202 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 07:30:47,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:30:47,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 18 states and 20 transitions. [2021-11-25 07:30:47,316 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2021-11-25 07:30:47,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-25 07:30:47,316 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:30:47,317 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:30:47,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:30:47,567 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 07:30:47,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:30:47,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 19 states and 21 transitions. [2021-11-25 07:30:47,677 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 21 transitions. [2021-11-25 07:30:47,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-25 07:30:47,678 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:30:47,678 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:30:47,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:30:47,782 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 07:30:49,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:30:49,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 31 states and 34 transitions. [2021-11-25 07:30:49,095 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 34 transitions. [2021-11-25 07:30:49,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-25 07:30:49,096 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:30:49,096 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:30:49,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:30:49,257 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 07:30:51,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:30:51,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 43 states and 47 transitions. [2021-11-25 07:30:51,337 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 47 transitions. [2021-11-25 07:30:51,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-25 07:30:51,338 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:30:51,339 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:30:51,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:30:51,617 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 07:30:53,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:30:53,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 55 states and 60 transitions. [2021-11-25 07:30:53,947 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 60 transitions. [2021-11-25 07:30:53,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-25 07:30:53,949 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:30:53,949 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:30:53,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:30:54,328 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 07:30:56,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:30:56,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 67 states and 73 transitions. [2021-11-25 07:30:56,993 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 73 transitions. [2021-11-25 07:30:56,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-25 07:30:56,994 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:30:56,995 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:30:57,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:30:57,468 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 07:31:00,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:31:00,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 79 states and 86 transitions. [2021-11-25 07:31:00,659 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 86 transitions. [2021-11-25 07:31:00,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-11-25 07:31:00,660 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:31:00,661 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:31:00,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:31:01,257 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 07:31:05,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:31:05,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 91 states and 99 transitions. [2021-11-25 07:31:05,218 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 99 transitions. [2021-11-25 07:31:05,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-25 07:31:05,220 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:31:05,220 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:31:05,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:31:06,153 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 07:31:10,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:31:10,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 103 states and 112 transitions. [2021-11-25 07:31:10,830 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 112 transitions. [2021-11-25 07:31:10,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-25 07:31:10,832 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:31:10,832 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:31:10,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:31:11,954 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 07:31:16,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:31:16,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 115 states and 125 transitions. [2021-11-25 07:31:16,890 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 125 transitions. [2021-11-25 07:31:16,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-11-25 07:31:16,892 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:31:16,893 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:31:16,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:31:18,083 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 07:31:23,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:31:23,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 127 states and 138 transitions. [2021-11-25 07:31:23,872 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 138 transitions. [2021-11-25 07:31:23,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-11-25 07:31:23,873 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:31:23,873 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:31:23,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:31:25,559 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 07:31:32,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:31:32,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 139 states and 151 transitions. [2021-11-25 07:31:32,031 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 151 transitions. [2021-11-25 07:31:32,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2021-11-25 07:31:32,033 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:31:32,033 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:31:32,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:31:33,599 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 07:31:40,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:31:40,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 151 states and 164 transitions. [2021-11-25 07:31:40,436 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 164 transitions. [2021-11-25 07:31:40,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2021-11-25 07:31:40,437 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:31:40,438 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:31:40,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:31:42,564 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 07:31:50,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:31:50,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 163 states and 177 transitions. [2021-11-25 07:31:50,072 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 177 transitions. [2021-11-25 07:31:50,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2021-11-25 07:31:50,073 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:31:50,074 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:31:50,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:31:52,382 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 07:32:00,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:32:00,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 175 states and 190 transitions. [2021-11-25 07:32:00,696 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 190 transitions. [2021-11-25 07:32:00,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2021-11-25 07:32:00,698 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:32:00,698 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:32:00,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:32:03,185 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 07:32:12,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:32:12,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 187 states and 203 transitions. [2021-11-25 07:32:12,532 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 203 transitions. [2021-11-25 07:32:12,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2021-11-25 07:32:12,533 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:32:12,534 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:32:12,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:32:15,425 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 07:32:25,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:32:25,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 199 states and 216 transitions. [2021-11-25 07:32:25,516 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 216 transitions. [2021-11-25 07:32:25,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2021-11-25 07:32:25,516 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:32:25,517 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:32:25,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:32:28,692 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 07:32:39,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:32:39,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 211 states and 229 transitions. [2021-11-25 07:32:39,731 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 229 transitions. [2021-11-25 07:32:39,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2021-11-25 07:32:39,733 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:32:39,733 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:32:39,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:32:43,631 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 07:32:55,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:32:55,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 223 states and 242 transitions. [2021-11-25 07:32:55,826 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 242 transitions. [2021-11-25 07:32:55,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2021-11-25 07:32:55,828 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:32:55,828 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:32:55,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:33:00,209 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 07:33:13,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:33:13,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 235 states and 255 transitions. [2021-11-25 07:33:13,317 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 255 transitions. [2021-11-25 07:33:13,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2021-11-25 07:33:13,318 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:33:13,319 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:33:13,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:33:18,119 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 07:33:32,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:33:32,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 247 states and 268 transitions. [2021-11-25 07:33:32,391 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 268 transitions. [2021-11-25 07:33:32,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2021-11-25 07:33:32,392 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:33:32,393 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:33:32,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:33:37,562 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 07:33:52,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:33:52,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 259 states and 281 transitions. [2021-11-25 07:33:52,879 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 281 transitions. [2021-11-25 07:33:52,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2021-11-25 07:33:52,880 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:33:52,881 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:33:53,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:33:58,566 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 07:34:14,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:34:14,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 271 states and 294 transitions. [2021-11-25 07:34:14,806 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 294 transitions. [2021-11-25 07:34:14,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2021-11-25 07:34:14,808 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:34:14,808 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:34:14,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:34:21,381 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 07:34:38,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:34:38,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 283 states and 307 transitions. [2021-11-25 07:34:38,992 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 307 transitions. [2021-11-25 07:34:38,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2021-11-25 07:34:38,994 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:34:38,994 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:34:39,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:34:45,982 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 07:35:04,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:35:04,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 295 states and 320 transitions. [2021-11-25 07:35:04,937 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 320 transitions. [2021-11-25 07:35:04,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2021-11-25 07:35:04,939 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:35:04,939 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:35:05,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:35:12,490 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 07:35:32,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:35:32,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 307 states and 333 transitions. [2021-11-25 07:35:32,873 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 333 transitions. [2021-11-25 07:35:32,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2021-11-25 07:35:32,875 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:35:32,875 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:35:33,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:35:41,408 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 07:36:03,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:36:03,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 319 states and 346 transitions. [2021-11-25 07:36:03,257 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 346 transitions. [2021-11-25 07:36:03,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2021-11-25 07:36:03,259 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:36:03,259 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:36:03,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:36:12,522 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 07:36:35,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:36:35,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 331 states and 359 transitions. [2021-11-25 07:36:35,845 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 359 transitions. [2021-11-25 07:36:35,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2021-11-25 07:36:35,846 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:36:35,847 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:36:36,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:36:45,878 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 07:37:10,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:37:10,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 343 states and 372 transitions. [2021-11-25 07:37:10,320 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 372 transitions. [2021-11-25 07:37:10,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2021-11-25 07:37:10,323 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:37:10,323 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:37:10,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:37:21,052 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 07:37:46,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:37:46,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 355 states and 385 transitions. [2021-11-25 07:37:46,816 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 385 transitions. [2021-11-25 07:37:46,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 353 [2021-11-25 07:37:46,818 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:37:46,819 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:37:47,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:37:58,766 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 07:38:25,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:38:25,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 367 states and 398 transitions. [2021-11-25 07:38:25,908 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 398 transitions. [2021-11-25 07:38:25,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 365 [2021-11-25 07:38:25,910 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:38:25,911 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:38:26,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:38:38,755 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 07:39:07,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:39:07,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 379 states and 411 transitions. [2021-11-25 07:39:07,589 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 411 transitions. [2021-11-25 07:39:07,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 377 [2021-11-25 07:39:07,591 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:39:07,591 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:39:07,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:39:21,777 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 07:39:52,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:39:52,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 391 states and 424 transitions. [2021-11-25 07:39:52,571 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 424 transitions. [2021-11-25 07:39:52,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 389 [2021-11-25 07:39:52,573 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:39:52,573 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:39:52,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:40:07,339 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 07:40:38,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:40:38,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 403 states and 437 transitions. [2021-11-25 07:40:38,660 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 437 transitions. [2021-11-25 07:40:38,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 401 [2021-11-25 07:40:38,661 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:40:38,662 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:40:38,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:40:54,873 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 07:41:28,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:41:28,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 415 states and 450 transitions. [2021-11-25 07:41:28,749 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 450 transitions. [2021-11-25 07:41:28,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 413 [2021-11-25 07:41:28,751 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:41:28,751 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:41:29,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:41:46,178 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 07:42:20,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:42:20,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 427 states and 463 transitions. [2021-11-25 07:42:20,203 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 463 transitions. [2021-11-25 07:42:20,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 425 [2021-11-25 07:42:20,206 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:42:20,206 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:42:20,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat