./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/busybox-1.22.0/basename-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d810f1e6-758b-4d36-80bf-7618da7c54b1/bin/ukojak-d1pc8ZmBRL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d810f1e6-758b-4d36-80bf-7618da7c54b1/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_d810f1e6-758b-4d36-80bf-7618da7c54b1/bin/ukojak-d1pc8ZmBRL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d810f1e6-758b-4d36-80bf-7618da7c54b1/bin/ukojak-d1pc8ZmBRL/config/KojakReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/basename-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d810f1e6-758b-4d36-80bf-7618da7c54b1/bin/ukojak-d1pc8ZmBRL/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d810f1e6-758b-4d36-80bf-7618da7c54b1/bin/ukojak-d1pc8ZmBRL --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash c899d9f75a53a80fe85551911016ababc48d03a22c1656000243377f27dbc4c0 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 07:51:21,323 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 07:51:21,325 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 07:51:21,366 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 07:51:21,366 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 07:51:21,368 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 07:51:21,369 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 07:51:21,372 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 07:51:21,374 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 07:51:21,375 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 07:51:21,376 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 07:51:21,378 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 07:51:21,378 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 07:51:21,379 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 07:51:21,381 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 07:51:21,383 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 07:51:21,384 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 07:51:21,385 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 07:51:21,387 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 07:51:21,390 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 07:51:21,392 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 07:51:21,393 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 07:51:21,395 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 07:51:21,396 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 07:51:21,399 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 07:51:21,400 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 07:51:21,400 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 07:51:21,401 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 07:51:21,402 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 07:51:21,403 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 07:51:21,404 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 07:51:21,405 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 07:51:21,412 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 07:51:21,413 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 07:51:21,415 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 07:51:21,415 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 07:51:21,416 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 07:51:21,416 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 07:51:21,416 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 07:51:21,417 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 07:51:21,418 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 07:51:21,419 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d810f1e6-758b-4d36-80bf-7618da7c54b1/bin/ukojak-d1pc8ZmBRL/config/svcomp-Overflow-64bit-Kojak_Default.epf [2021-11-25 07:51:21,443 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 07:51:21,443 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 07:51:21,444 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 07:51:21,444 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-25 07:51:21,445 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-25 07:51:21,445 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-25 07:51:21,445 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 07:51:21,445 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-25 07:51:21,446 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 07:51:21,446 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 07:51:21,446 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 07:51:21,446 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 07:51:21,446 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 07:51:21,447 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-25 07:51:21,447 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 07:51:21,447 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 07:51:21,447 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 07:51:21,447 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-25 07:51:21,448 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-25 07:51:21,448 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 07:51:21,448 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-25 07:51:21,448 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 07:51:21,448 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 07:51:21,449 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 07:51:21,449 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-25 07:51:21,449 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 07:51:21,449 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 07:51:21,449 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_d810f1e6-758b-4d36-80bf-7618da7c54b1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d810f1e6-758b-4d36-80bf-7618da7c54b1/bin/ukojak-d1pc8ZmBRL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c899d9f75a53a80fe85551911016ababc48d03a22c1656000243377f27dbc4c0 [2021-11-25 07:51:21,770 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 07:51:21,807 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 07:51:21,810 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 07:51:21,812 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 07:51:21,812 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 07:51:21,814 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d810f1e6-758b-4d36-80bf-7618da7c54b1/bin/ukojak-d1pc8ZmBRL/../../sv-benchmarks/c/busybox-1.22.0/basename-2.i [2021-11-25 07:51:21,892 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d810f1e6-758b-4d36-80bf-7618da7c54b1/bin/ukojak-d1pc8ZmBRL/data/f2b514395/e81555e410d141219063294d8ec9b17e/FLAG3c56b2b97 [2021-11-25 07:51:22,597 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 07:51:22,597 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d810f1e6-758b-4d36-80bf-7618da7c54b1/sv-benchmarks/c/busybox-1.22.0/basename-2.i [2021-11-25 07:51:22,618 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d810f1e6-758b-4d36-80bf-7618da7c54b1/bin/ukojak-d1pc8ZmBRL/data/f2b514395/e81555e410d141219063294d8ec9b17e/FLAG3c56b2b97 [2021-11-25 07:51:22,841 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d810f1e6-758b-4d36-80bf-7618da7c54b1/bin/ukojak-d1pc8ZmBRL/data/f2b514395/e81555e410d141219063294d8ec9b17e [2021-11-25 07:51:22,844 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 07:51:22,845 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 07:51:22,849 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 07:51:22,849 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 07:51:22,852 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 07:51:22,853 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:51:22" (1/1) ... [2021-11-25 07:51:22,855 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@750270cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:51:22, skipping insertion in model container [2021-11-25 07:51:22,855 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:51:22" (1/1) ... [2021-11-25 07:51:22,862 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 07:51:22,977 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 07:51:23,572 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_d810f1e6-758b-4d36-80bf-7618da7c54b1/sv-benchmarks/c/busybox-1.22.0/basename-2.i[58078,58091] [2021-11-25 07:51:23,644 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 07:51:23,672 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 07:51:23,753 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_d810f1e6-758b-4d36-80bf-7618da7c54b1/sv-benchmarks/c/busybox-1.22.0/basename-2.i[58078,58091] [2021-11-25 07:51:23,794 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 07:51:23,922 INFO L208 MainTranslator]: Completed translation [2021-11-25 07:51:23,922 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:51:23 WrapperNode [2021-11-25 07:51:23,922 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 07:51:23,923 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 07:51:23,923 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 07:51:23,923 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 07:51:23,933 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:51:23" (1/1) ... [2021-11-25 07:51:23,991 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:51:23" (1/1) ... [2021-11-25 07:51:24,041 INFO L137 Inliner]: procedures = 347, calls = 114, calls flagged for inlining = 10, calls inlined = 9, statements flattened = 390 [2021-11-25 07:51:24,042 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 07:51:24,043 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 07:51:24,043 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 07:51:24,043 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 07:51:24,053 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:51:23" (1/1) ... [2021-11-25 07:51:24,053 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:51:23" (1/1) ... [2021-11-25 07:51:24,059 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:51:23" (1/1) ... [2021-11-25 07:51:24,070 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:51:23" (1/1) ... [2021-11-25 07:51:24,091 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:51:23" (1/1) ... [2021-11-25 07:51:24,098 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:51:23" (1/1) ... [2021-11-25 07:51:24,104 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:51:23" (1/1) ... [2021-11-25 07:51:24,113 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 07:51:24,114 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 07:51:24,114 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 07:51:24,114 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 07:51:24,116 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:51:23" (1/1) ... [2021-11-25 07:51:24,132 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-25 07:51:24,144 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d810f1e6-758b-4d36-80bf-7618da7c54b1/bin/ukojak-d1pc8ZmBRL/z3 [2021-11-25 07:51:24,159 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d810f1e6-758b-4d36-80bf-7618da7c54b1/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-25 07:51:24,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d810f1e6-758b-4d36-80bf-7618da7c54b1/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-25 07:51:24,212 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-25 07:51:24,212 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-25 07:51:24,212 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 07:51:24,212 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 07:51:24,215 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 07:51:24,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 07:51:24,216 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 07:51:24,216 INFO L130 BoogieDeclarations]: Found specification of procedure strrchr [2021-11-25 07:51:24,216 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 07:51:24,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 07:51:24,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 07:51:24,217 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 07:51:24,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 07:51:24,576 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 07:51:24,577 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 07:51:25,085 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 07:51:25,244 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 07:51:25,245 INFO L301 CfgBuilder]: Removed 9 assume(true) statements. [2021-11-25 07:51:25,248 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:51:25 BoogieIcfgContainer [2021-11-25 07:51:25,248 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 07:51:25,249 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-25 07:51:25,249 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-25 07:51:25,259 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-25 07:51:25,260 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:51:25" (1/1) ... [2021-11-25 07:51:25,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 07:51:25,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:51:25,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 86 states and 109 transitions. [2021-11-25 07:51:25,353 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 109 transitions. [2021-11-25 07:51:25,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-25 07:51:25,357 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:51:25,358 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:51:25,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:51:25,759 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 07:51:25,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:51:25,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 88 states and 112 transitions. [2021-11-25 07:51:25,812 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 112 transitions. [2021-11-25 07:51:25,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-25 07:51:25,813 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:51:25,813 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:51:25,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:51:26,002 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 07:51:26,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:51:26,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 89 states and 113 transitions. [2021-11-25 07:51:26,026 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 113 transitions. [2021-11-25 07:51:26,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-25 07:51:26,026 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:51:26,026 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:51:26,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:51:26,143 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 07:51:26,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:51:26,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 88 states and 112 transitions. [2021-11-25 07:51:26,184 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 112 transitions. [2021-11-25 07:51:26,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-25 07:51:26,184 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:51:26,185 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:51:26,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:51:26,285 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:51:26,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:51:26,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 87 states and 110 transitions. [2021-11-25 07:51:26,418 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 110 transitions. [2021-11-25 07:51:26,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-25 07:51:26,419 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:51:26,420 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:51:26,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:51:26,523 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:51:26,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:51:26,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 88 states and 111 transitions. [2021-11-25 07:51:26,584 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 111 transitions. [2021-11-25 07:51:26,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-25 07:51:26,585 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:51:26,585 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:51:26,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:51:26,700 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:51:26,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:51:26,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 91 states and 114 transitions. [2021-11-25 07:51:26,812 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 114 transitions. [2021-11-25 07:51:26,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-25 07:51:26,813 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:51:26,813 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:51:26,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:51:26,921 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:51:27,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:51:27,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 94 states and 117 transitions. [2021-11-25 07:51:27,046 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 117 transitions. [2021-11-25 07:51:27,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:51:27,047 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:51:27,047 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:51:27,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:51:27,200 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:51:27,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:51:27,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 97 states and 120 transitions. [2021-11-25 07:51:27,351 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 120 transitions. [2021-11-25 07:51:27,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-25 07:51:27,352 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:51:27,352 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:51:27,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:51:27,518 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:51:27,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:51:27,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 100 states and 123 transitions. [2021-11-25 07:51:27,668 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 123 transitions. [2021-11-25 07:51:27,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-25 07:51:27,669 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:51:27,669 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:51:27,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:51:27,859 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:51:28,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:51:28,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 103 states and 126 transitions. [2021-11-25 07:51:28,019 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 126 transitions. [2021-11-25 07:51:28,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-25 07:51:28,020 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:51:28,020 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:51:28,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:51:28,199 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:51:28,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:51:28,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 106 states and 129 transitions. [2021-11-25 07:51:28,384 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 129 transitions. [2021-11-25 07:51:28,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-25 07:51:28,385 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:51:28,385 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:51:28,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:51:28,536 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:51:28,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:51:28,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 109 states and 132 transitions. [2021-11-25 07:51:28,731 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 132 transitions. [2021-11-25 07:51:28,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-25 07:51:28,732 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:51:28,732 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:51:28,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:51:28,852 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:51:28,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:51:28,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 112 states and 134 transitions. [2021-11-25 07:51:28,968 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 134 transitions. [2021-11-25 07:51:28,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-25 07:51:28,969 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:51:28,970 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:51:29,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:51:29,184 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2021-11-25 07:51:29,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:51:29,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 111 states and 133 transitions. [2021-11-25 07:51:29,262 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 133 transitions. [2021-11-25 07:51:29,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-25 07:51:29,263 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:51:29,263 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:51:29,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:51:29,435 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2021-11-25 07:51:29,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:51:29,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 110 states and 132 transitions. [2021-11-25 07:51:29,494 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 132 transitions. [2021-11-25 07:51:29,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-25 07:51:29,497 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:51:29,497 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:51:29,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:51:29,618 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2021-11-25 07:51:29,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:51:29,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 109 states and 131 transitions. [2021-11-25 07:51:29,725 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 131 transitions. [2021-11-25 07:51:29,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-25 07:51:29,726 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:51:29,726 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:51:29,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:51:29,856 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2021-11-25 07:51:29,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:51:29,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 108 states and 130 transitions. [2021-11-25 07:51:29,973 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 130 transitions. [2021-11-25 07:51:29,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-25 07:51:29,974 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:51:29,974 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:51:30,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:51:30,154 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2021-11-25 07:51:30,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:51:30,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 109 states and 132 transitions. [2021-11-25 07:51:30,211 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 132 transitions. [2021-11-25 07:51:30,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-25 07:51:30,212 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:51:30,213 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:51:30,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:51:30,309 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2021-11-25 07:51:30,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:51:30,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 110 states and 133 transitions. [2021-11-25 07:51:30,327 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 133 transitions. [2021-11-25 07:51:30,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-25 07:51:30,334 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:51:30,334 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:51:30,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:51:30,499 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2021-11-25 07:51:30,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:51:30,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 89 states and 107 transitions. [2021-11-25 07:51:30,551 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 107 transitions. [2021-11-25 07:51:30,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-25 07:51:30,552 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:51:30,553 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:51:30,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:51:30,678 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2021-11-25 07:51:30,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:51:30,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 90 states and 108 transitions. [2021-11-25 07:51:30,694 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 108 transitions. [2021-11-25 07:51:30,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-25 07:51:30,696 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:51:30,696 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:51:30,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:51:30,840 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2021-11-25 07:51:31,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:51:31,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 96 states and 118 transitions. [2021-11-25 07:51:31,056 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 118 transitions. [2021-11-25 07:51:31,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-25 07:51:31,056 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:51:31,057 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:51:31,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:51:31,186 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2021-11-25 07:51:31,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:51:31,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 98 states and 122 transitions. [2021-11-25 07:51:31,249 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 122 transitions. [2021-11-25 07:51:31,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-25 07:51:31,250 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:51:31,250 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:51:31,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:51:31,422 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2021-11-25 07:51:31,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:51:31,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 104 states and 134 transitions. [2021-11-25 07:51:31,954 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 134 transitions. [2021-11-25 07:51:31,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-25 07:51:31,955 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:51:31,955 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:51:32,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:51:32,100 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2021-11-25 07:51:32,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:51:32,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 103 states and 133 transitions. [2021-11-25 07:51:32,249 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 133 transitions. [2021-11-25 07:51:32,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-25 07:51:32,249 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:51:32,250 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:51:32,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:51:32,454 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2021-11-25 07:51:33,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:51:33,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 110 states and 144 transitions. [2021-11-25 07:51:33,289 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 144 transitions. [2021-11-25 07:51:33,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-25 07:51:33,289 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:51:33,289 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:51:33,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:51:33,389 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2021-11-25 07:51:33,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:51:33,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 111 states and 146 transitions. [2021-11-25 07:51:33,407 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 146 transitions. [2021-11-25 07:51:33,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-25 07:51:33,407 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:51:33,408 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:51:33,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:51:33,575 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2021-11-25 07:51:34,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:51:34,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 114 states and 151 transitions. [2021-11-25 07:51:34,138 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 151 transitions. [2021-11-25 07:51:34,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-25 07:51:34,138 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:51:34,138 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:51:34,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:51:34,251 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2021-11-25 07:51:34,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:51:34,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 116 states and 152 transitions. [2021-11-25 07:51:34,574 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 152 transitions. [2021-11-25 07:51:34,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-25 07:51:34,574 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:51:34,575 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:51:34,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:51:34,747 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2021-11-25 07:51:35,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:51:35,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 117 states and 153 transitions. [2021-11-25 07:51:35,059 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 153 transitions. [2021-11-25 07:51:35,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-25 07:51:35,060 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:51:35,060 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:51:35,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:51:35,232 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2021-11-25 07:51:35,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:51:35,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 118 states and 154 transitions. [2021-11-25 07:51:35,474 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 154 transitions. [2021-11-25 07:51:35,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-25 07:51:35,474 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:51:35,475 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:51:35,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:51:35,612 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2021-11-25 07:51:36,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:51:36,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 127 states and 164 transitions. [2021-11-25 07:51:36,915 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 164 transitions. [2021-11-25 07:51:36,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-25 07:51:36,916 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:51:36,916 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:51:36,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:51:37,014 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2021-11-25 07:51:37,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:51:37,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 128 states and 165 transitions. [2021-11-25 07:51:37,029 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 165 transitions. [2021-11-25 07:51:37,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-25 07:51:37,029 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:51:37,030 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:51:37,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:51:37,215 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2021-11-25 07:51:37,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:51:37,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 131 states and 168 transitions. [2021-11-25 07:51:37,772 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 168 transitions. [2021-11-25 07:51:37,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-25 07:51:37,772 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:51:37,772 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:51:37,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:51:37,971 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 1 proven. 12 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2021-11-25 07:51:38,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:51:38,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 134 states and 171 transitions. [2021-11-25 07:51:38,520 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 171 transitions. [2021-11-25 07:51:38,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-25 07:51:38,520 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:51:38,521 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:51:38,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:51:38,710 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 1 proven. 22 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2021-11-25 07:51:39,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:51:39,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 137 states and 174 transitions. [2021-11-25 07:51:39,268 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 174 transitions. [2021-11-25 07:51:39,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-25 07:51:39,268 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:51:39,269 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:51:39,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:51:39,469 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 1 proven. 35 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2021-11-25 07:51:40,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:51:40,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 140 states and 177 transitions. [2021-11-25 07:51:40,082 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 177 transitions. [2021-11-25 07:51:40,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-25 07:51:40,083 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:51:40,083 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:51:40,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:51:40,308 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 1 proven. 51 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2021-11-25 07:51:40,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:51:40,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 143 states and 180 transitions. [2021-11-25 07:51:40,888 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 180 transitions. [2021-11-25 07:51:40,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-25 07:51:40,889 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:51:40,889 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:51:40,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:51:41,158 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 1 proven. 70 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2021-11-25 07:51:41,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:51:41,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 146 states and 183 transitions. [2021-11-25 07:51:41,773 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 183 transitions. [2021-11-25 07:51:41,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-25 07:51:41,774 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:51:41,774 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:51:41,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:51:42,023 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 1 proven. 92 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2021-11-25 07:51:42,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:51:42,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 149 states and 186 transitions. [2021-11-25 07:51:42,690 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 186 transitions. [2021-11-25 07:51:42,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-25 07:51:42,691 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:51:42,691 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:51:42,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:51:42,887 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 1 proven. 117 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2021-11-25 07:51:43,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:51:43,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 152 states and 188 transitions. [2021-11-25 07:51:43,233 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 188 transitions. [2021-11-25 07:51:43,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-25 07:51:43,233 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:51:43,234 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:51:43,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:51:43,558 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2021-11-25 07:51:47,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:51:47,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 186 states and 224 transitions. [2021-11-25 07:51:47,895 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 224 transitions. [2021-11-25 07:51:47,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-25 07:51:47,896 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:51:47,897 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:51:47,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:51:48,036 INFO L134 CoverageAnalysis]: Checked inductivity of 356 backedges. 62 proven. 3 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2021-11-25 07:51:48,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:51:48,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 149 states and 181 transitions. [2021-11-25 07:51:48,337 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 181 transitions. [2021-11-25 07:51:48,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-25 07:51:48,337 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:51:48,338 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:51:48,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:51:48,561 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2021-11-25 07:51:48,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:51:48,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 151 states and 185 transitions. [2021-11-25 07:51:48,904 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 185 transitions. [2021-11-25 07:51:48,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-25 07:51:48,905 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:51:48,905 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:51:48,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:51:49,237 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 295 trivial. 0 not checked. [2021-11-25 07:51:50,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:51:50,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 160 states and 198 transitions. [2021-11-25 07:51:50,955 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 198 transitions. [2021-11-25 07:51:50,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-25 07:51:50,958 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:51:50,959 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:51:51,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:51:51,296 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2021-11-25 07:51:51,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:51:51,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 159 states and 195 transitions. [2021-11-25 07:51:51,833 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 195 transitions. [2021-11-25 07:51:51,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-25 07:51:51,834 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:51:51,834 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:51:51,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:51:52,110 INFO L134 CoverageAnalysis]: Checked inductivity of 371 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 295 trivial. 0 not checked. [2021-11-25 07:51:54,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:51:54,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 169 states and 208 transitions. [2021-11-25 07:51:54,345 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 208 transitions. [2021-11-25 07:51:54,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-25 07:51:54,346 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:51:54,346 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:51:54,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:51:54,627 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 296 trivial. 0 not checked. [2021-11-25 07:51:56,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:51:56,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 179 states and 231 transitions. [2021-11-25 07:51:56,702 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 231 transitions. [2021-11-25 07:51:56,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-11-25 07:51:56,703 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:51:56,703 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:51:56,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:51:56,836 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2021-11-25 07:51:56,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:51:56,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 179 states and 229 transitions. [2021-11-25 07:51:56,861 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 229 transitions. [2021-11-25 07:51:56,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-25 07:51:56,862 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:51:56,862 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:51:56,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:51:57,026 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 296 trivial. 0 not checked. [2021-11-25 07:51:57,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:51:57,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 179 states and 228 transitions. [2021-11-25 07:51:57,554 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 228 transitions. [2021-11-25 07:51:57,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-25 07:51:57,555 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:51:57,555 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:51:57,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:51:57,730 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 303 trivial. 0 not checked. [2021-11-25 07:51:58,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:51:58,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 180 states and 228 transitions. [2021-11-25 07:51:58,220 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 228 transitions. [2021-11-25 07:51:58,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-11-25 07:51:58,221 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:51:58,221 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:51:58,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:51:58,404 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 373 trivial. 0 not checked. [2021-11-25 07:52:00,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:52:00,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 189 states and 238 transitions. [2021-11-25 07:52:00,802 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 238 transitions. [2021-11-25 07:52:00,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-11-25 07:52:00,802 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:52:00,802 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:52:00,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:52:00,960 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 296 trivial. 0 not checked. [2021-11-25 07:52:01,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:52:01,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 190 states and 239 transitions. [2021-11-25 07:52:01,443 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 239 transitions. [2021-11-25 07:52:01,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-11-25 07:52:01,443 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:52:01,445 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:52:01,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:52:01,912 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 293 trivial. 0 not checked. [2021-11-25 07:52:02,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:52:02,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 198 states and 252 transitions. [2021-11-25 07:52:02,300 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 252 transitions. [2021-11-25 07:52:02,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-11-25 07:52:02,301 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:52:02,301 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:52:02,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:52:02,440 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 77 proven. 5 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2021-11-25 07:52:03,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:52:03,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 201 states and 255 transitions. [2021-11-25 07:52:03,200 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 255 transitions. [2021-11-25 07:52:03,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-11-25 07:52:03,206 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:52:03,207 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:52:03,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:52:03,555 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 293 trivial. 0 not checked. [2021-11-25 07:52:04,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:52:04,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 202 states and 257 transitions. [2021-11-25 07:52:04,295 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 257 transitions. [2021-11-25 07:52:04,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-11-25 07:52:04,296 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:52:04,296 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:52:04,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:52:04,526 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 296 trivial. 0 not checked. [2021-11-25 07:52:04,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:52:04,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 209 states and 276 transitions. [2021-11-25 07:52:04,980 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 276 transitions. [2021-11-25 07:52:04,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-25 07:52:04,981 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:52:04,981 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:52:05,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:52:05,148 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 296 trivial. 0 not checked. [2021-11-25 07:52:05,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:52:05,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 211 states and 277 transitions. [2021-11-25 07:52:05,189 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 277 transitions. [2021-11-25 07:52:05,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-25 07:52:05,191 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:52:05,191 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:52:05,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:52:05,342 INFO L134 CoverageAnalysis]: Checked inductivity of 411 backedges. 108 proven. 12 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2021-11-25 07:52:05,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:52:05,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 214 states and 280 transitions. [2021-11-25 07:52:05,970 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 280 transitions. [2021-11-25 07:52:05,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-11-25 07:52:05,971 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:52:05,971 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:52:06,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:52:06,569 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2021-11-25 07:52:07,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:52:07,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 216 states and 282 transitions. [2021-11-25 07:52:07,899 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 282 transitions. [2021-11-25 07:52:07,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-11-25 07:52:07,900 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:52:07,900 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:52:07,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:52:08,819 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2021-11-25 07:52:11,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:52:11,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 218 states and 285 transitions. [2021-11-25 07:52:11,919 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 285 transitions. [2021-11-25 07:52:11,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-25 07:52:11,920 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:52:11,920 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:52:11,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:52:12,084 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 296 trivial. 0 not checked. [2021-11-25 07:52:13,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:52:13,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 221 states and 289 transitions. [2021-11-25 07:52:13,110 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 289 transitions. [2021-11-25 07:52:13,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-25 07:52:13,111 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:52:13,111 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:52:13,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:52:13,356 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 139 proven. 22 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2021-11-25 07:52:14,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:52:14,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 224 states and 292 transitions. [2021-11-25 07:52:14,094 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 292 transitions. [2021-11-25 07:52:14,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-11-25 07:52:14,095 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:52:14,095 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:52:14,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:52:14,278 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2021-11-25 07:52:15,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:52:15,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 226 states and 293 transitions. [2021-11-25 07:52:15,371 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 293 transitions. [2021-11-25 07:52:15,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-25 07:52:15,372 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:52:15,372 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:52:15,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:52:15,562 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2021-11-25 07:52:16,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:52:16,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 232 states and 301 transitions. [2021-11-25 07:52:16,307 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 301 transitions. [2021-11-25 07:52:16,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-11-25 07:52:16,308 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:52:16,308 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:52:16,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:52:16,462 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 170 proven. 35 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2021-11-25 07:52:17,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:52:17,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 235 states and 304 transitions. [2021-11-25 07:52:17,259 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 304 transitions. [2021-11-25 07:52:17,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-11-25 07:52:17,260 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:52:17,260 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:52:17,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:52:17,918 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 304 trivial. 0 not checked. [2021-11-25 07:52:19,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:52:19,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 237 states and 310 transitions. [2021-11-25 07:52:19,436 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 310 transitions. [2021-11-25 07:52:19,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-11-25 07:52:19,437 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:52:19,437 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:52:19,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:52:19,628 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 201 proven. 51 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2021-11-25 07:52:20,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:52:20,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 240 states and 313 transitions. [2021-11-25 07:52:20,615 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 313 transitions. [2021-11-25 07:52:20,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-11-25 07:52:20,616 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:52:20,616 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:52:20,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:52:21,487 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 305 trivial. 0 not checked. [2021-11-25 07:52:26,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:52:26,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 245 states and 328 transitions. [2021-11-25 07:52:26,084 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 328 transitions. [2021-11-25 07:52:26,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-11-25 07:52:26,085 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:52:26,085 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:52:26,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:52:26,608 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 304 trivial. 0 not checked. [2021-11-25 07:52:28,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:52:28,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 248 states and 331 transitions. [2021-11-25 07:52:28,623 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 331 transitions. [2021-11-25 07:52:28,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-11-25 07:52:28,624 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:52:28,624 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:52:28,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:52:29,354 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 304 trivial. 0 not checked. [2021-11-25 07:52:30,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:52:30,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 251 states and 338 transitions. [2021-11-25 07:52:30,965 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 338 transitions. [2021-11-25 07:52:30,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-11-25 07:52:30,966 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:52:30,966 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:52:31,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:52:31,136 INFO L134 CoverageAnalysis]: Checked inductivity of 593 backedges. 232 proven. 70 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2021-11-25 07:52:32,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:52:32,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 254 states and 341 transitions. [2021-11-25 07:52:32,342 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 341 transitions. [2021-11-25 07:52:32,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-11-25 07:52:32,343 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:52:32,343 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:52:32,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:52:32,753 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 304 trivial. 0 not checked. [2021-11-25 07:52:34,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:52:34,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 255 states and 344 transitions. [2021-11-25 07:52:34,003 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 344 transitions. [2021-11-25 07:52:34,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-11-25 07:52:34,004 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:52:34,004 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:52:34,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:52:34,204 INFO L134 CoverageAnalysis]: Checked inductivity of 646 backedges. 263 proven. 92 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2021-11-25 07:52:35,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:52:35,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 258 states and 347 transitions. [2021-11-25 07:52:35,402 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 347 transitions. [2021-11-25 07:52:35,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-11-25 07:52:35,403 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:52:35,403 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:52:35,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:52:35,578 INFO L134 CoverageAnalysis]: Checked inductivity of 702 backedges. 294 proven. 117 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2021-11-25 07:52:36,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:52:36,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 261 states and 349 transitions. [2021-11-25 07:52:36,296 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 349 transitions. [2021-11-25 07:52:36,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-11-25 07:52:36,296 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:52:36,296 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:52:36,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:52:36,494 INFO L134 CoverageAnalysis]: Checked inductivity of 761 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 436 trivial. 0 not checked. [2021-11-25 07:52:44,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:52:44,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 262 states and 350 transitions. [2021-11-25 07:52:44,467 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 350 transitions. [2021-11-25 07:52:44,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2021-11-25 07:52:44,468 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:52:44,468 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:52:44,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:52:44,870 INFO L134 CoverageAnalysis]: Checked inductivity of 914 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 766 trivial. 0 not checked. [2021-11-25 07:52:47,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:52:47,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 270 states and 362 transitions. [2021-11-25 07:52:47,975 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 362 transitions. [2021-11-25 07:52:47,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-11-25 07:52:47,976 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:52:47,976 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:52:48,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:52:48,330 INFO L134 CoverageAnalysis]: Checked inductivity of 919 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 919 trivial. 0 not checked. [2021-11-25 07:52:51,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:52:51,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 278 states and 370 transitions. [2021-11-25 07:52:51,423 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 370 transitions. [2021-11-25 07:52:51,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-11-25 07:52:51,424 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:52:51,424 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:52:51,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:52:51,583 INFO L134 CoverageAnalysis]: Checked inductivity of 919 backedges. 153 proven. 5 refuted. 0 times theorem prover too weak. 761 trivial. 0 not checked. [2021-11-25 07:52:52,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:52:52,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 281 states and 373 transitions. [2021-11-25 07:52:52,698 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 373 transitions. [2021-11-25 07:52:52,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2021-11-25 07:52:52,699 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:52:52,699 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:52:52,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:52:52,897 INFO L134 CoverageAnalysis]: Checked inductivity of 988 backedges. 215 proven. 12 refuted. 0 times theorem prover too weak. 761 trivial. 0 not checked. [2021-11-25 07:52:53,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:52:53,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 284 states and 376 transitions. [2021-11-25 07:52:53,864 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 376 transitions. [2021-11-25 07:52:53,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2021-11-25 07:52:53,865 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:52:53,865 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:52:53,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:52:54,017 INFO L134 CoverageAnalysis]: Checked inductivity of 1060 backedges. 277 proven. 22 refuted. 0 times theorem prover too weak. 761 trivial. 0 not checked. [2021-11-25 07:52:54,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:52:54,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 287 states and 379 transitions. [2021-11-25 07:52:54,983 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 379 transitions. [2021-11-25 07:52:54,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-11-25 07:52:54,984 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:52:54,984 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:52:55,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:52:55,163 INFO L134 CoverageAnalysis]: Checked inductivity of 1135 backedges. 339 proven. 35 refuted. 0 times theorem prover too weak. 761 trivial. 0 not checked. [2021-11-25 07:52:56,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:52:56,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 290 states and 382 transitions. [2021-11-25 07:52:56,187 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 382 transitions. [2021-11-25 07:52:56,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2021-11-25 07:52:56,188 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:52:56,189 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:52:57,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:52:59,869 INFO L134 CoverageAnalysis]: Checked inductivity of 775 backedges. 0 proven. 354 refuted. 0 times theorem prover too weak. 421 trivial. 0 not checked. [2021-11-25 07:53:29,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:53:29,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 360 states and 471 transitions. [2021-11-25 07:53:29,466 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 471 transitions. [2021-11-25 07:53:29,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2021-11-25 07:53:29,466 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:53:29,467 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:53:29,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:53:31,468 INFO L134 CoverageAnalysis]: Checked inductivity of 775 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 775 trivial. 0 not checked. [2021-11-25 07:53:38,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:53:38,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 364 states and 487 transitions. [2021-11-25 07:53:38,918 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 487 transitions. [2021-11-25 07:53:38,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2021-11-25 07:53:38,918 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:53:38,919 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:53:39,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:53:39,624 INFO L134 CoverageAnalysis]: Checked inductivity of 775 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 775 trivial. 0 not checked. [2021-11-25 07:53:41,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:53:41,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 364 states and 486 transitions. [2021-11-25 07:53:41,142 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 486 transitions. [2021-11-25 07:53:41,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2021-11-25 07:53:41,143 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:53:41,143 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:53:41,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:53:41,380 INFO L134 CoverageAnalysis]: Checked inductivity of 1213 backedges. 401 proven. 51 refuted. 0 times theorem prover too weak. 761 trivial. 0 not checked. [2021-11-25 07:53:42,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:53:42,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 367 states and 489 transitions. [2021-11-25 07:53:42,672 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 489 transitions. [2021-11-25 07:53:42,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2021-11-25 07:53:42,674 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:53:42,674 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:53:43,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:53:45,211 INFO L134 CoverageAnalysis]: Checked inductivity of 775 backedges. 0 proven. 354 refuted. 0 times theorem prover too weak. 421 trivial. 0 not checked. [2021-11-25 07:54:07,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:54:07,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 404 states and 540 transitions. [2021-11-25 07:54:07,236 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 540 transitions. [2021-11-25 07:54:07,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2021-11-25 07:54:07,238 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:54:07,238 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:54:08,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-25 07:54:08,152 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-25 07:54:09,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-25 07:54:19,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2021-11-25 07:54:19,517 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:487) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-25 07:54:19,521 INFO L158 Benchmark]: Toolchain (without parser) took 176674.43ms. Allocated memory was 92.3MB in the beginning and 1.7GB in the end (delta: 1.6GB). Free memory was 49.9MB in the beginning and 1.0GB in the end (delta: -987.6MB). Peak memory consumption was 589.1MB. Max. memory is 16.1GB. [2021-11-25 07:54:19,522 INFO L158 Benchmark]: CDTParser took 1.52ms. Allocated memory is still 92.3MB. Free memory is still 69.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 07:54:19,522 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1073.74ms. Allocated memory was 92.3MB in the beginning and 111.1MB in the end (delta: 18.9MB). Free memory was 49.8MB in the beginning and 81.4MB in the end (delta: -31.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2021-11-25 07:54:19,525 INFO L158 Benchmark]: Boogie Procedure Inliner took 119.26ms. Allocated memory is still 111.1MB. Free memory was 81.4MB in the beginning and 77.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-25 07:54:19,525 INFO L158 Benchmark]: Boogie Preprocessor took 70.53ms. Allocated memory is still 111.1MB. Free memory was 77.3MB in the beginning and 73.6MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-25 07:54:19,528 INFO L158 Benchmark]: RCFGBuilder took 1133.93ms. Allocated memory is still 111.1MB. Free memory was 73.6MB in the beginning and 67.6MB in the end (delta: 6.0MB). Peak memory consumption was 33.8MB. Max. memory is 16.1GB. [2021-11-25 07:54:19,529 INFO L158 Benchmark]: CodeCheck took 174270.55ms. Allocated memory was 111.1MB in the beginning and 1.7GB in the end (delta: 1.6GB). Free memory was 67.0MB in the beginning and 1.0GB in the end (delta: -970.6MB). Peak memory consumption was 584.7MB. Max. memory is 16.1GB. [2021-11-25 07:54:19,532 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:487) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.52ms. Allocated memory is still 92.3MB. Free memory is still 69.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1073.74ms. Allocated memory was 92.3MB in the beginning and 111.1MB in the end (delta: 18.9MB). Free memory was 49.8MB in the beginning and 81.4MB in the end (delta: -31.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 119.26ms. Allocated memory is still 111.1MB. Free memory was 81.4MB in the beginning and 77.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 70.53ms. Allocated memory is still 111.1MB. Free memory was 77.3MB in the beginning and 73.6MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1133.93ms. Allocated memory is still 111.1MB. Free memory was 73.6MB in the beginning and 67.6MB in the end (delta: 6.0MB). Peak memory consumption was 33.8MB. Max. memory is 16.1GB. * CodeCheck took 174270.55ms. Allocated memory was 111.1MB in the beginning and 1.7GB in the end (delta: 1.6GB). Free memory was 67.0MB in the beginning and 1.0GB in the end (delta: -970.6MB). Peak memory consumption was 584.7MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-25 07:54:19,612 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d810f1e6-758b-4d36-80bf-7618da7c54b1/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d810f1e6-758b-4d36-80bf-7618da7c54b1/bin/ukojak-d1pc8ZmBRL/config using search string *Overflow*64bit*_Bitvector*.epf No suitable settings file found using Overflow*64bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown