./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-cav19/array_init_var_plus_ind2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74f10985-bd00-422a-aad0-89013b382cf5/bin/ukojak-2xVlg8857e/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74f10985-bd00-422a-aad0-89013b382cf5/bin/ukojak-2xVlg8857e/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74f10985-bd00-422a-aad0-89013b382cf5/bin/ukojak-2xVlg8857e/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74f10985-bd00-422a-aad0-89013b382cf5/bin/ukojak-2xVlg8857e/config/KojakReach.xml -i ../../sv-benchmarks/c/array-cav19/array_init_var_plus_ind2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74f10985-bd00-422a-aad0-89013b382cf5/bin/ukojak-2xVlg8857e/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74f10985-bd00-422a-aad0-89013b382cf5/bin/ukojak-2xVlg8857e --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 61ee7f467544bc9f9ea1f0d9fd399b9972cb81a4a1640bca414247c42e8cc99d --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 22:56:45,323 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 22:56:45,326 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 22:56:45,384 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 22:56:45,385 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 22:56:45,389 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 22:56:45,391 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 22:56:45,395 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 22:56:45,397 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 22:56:45,398 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 22:56:45,399 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 22:56:45,400 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 22:56:45,401 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 22:56:45,402 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 22:56:45,404 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 22:56:45,405 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 22:56:45,406 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 22:56:45,407 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 22:56:45,412 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 22:56:45,418 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 22:56:45,421 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 22:56:45,423 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 22:56:45,427 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 22:56:45,428 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 22:56:45,438 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 22:56:45,439 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 22:56:45,439 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 22:56:45,442 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 22:56:45,442 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 22:56:45,444 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 22:56:45,444 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 22:56:45,445 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 22:56:45,447 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 22:56:45,449 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 22:56:45,450 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 22:56:45,451 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 22:56:45,451 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 22:56:45,452 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 22:56:45,452 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 22:56:45,453 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 22:56:45,454 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 22:56:45,455 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74f10985-bd00-422a-aad0-89013b382cf5/bin/ukojak-2xVlg8857e/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-13 22:56:45,479 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 22:56:45,479 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 22:56:45,480 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 22:56:45,480 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-13 22:56:45,481 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 22:56:45,481 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 22:56:45,482 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 22:56:45,482 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 22:56:45,482 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 22:56:45,482 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 22:56:45,482 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 22:56:45,482 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 22:56:45,483 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 22:56:45,483 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 22:56:45,483 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 22:56:45,483 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 22:56:45,483 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 22:56:45,484 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 22:56:45,484 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-13 22:56:45,484 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-13 22:56:45,484 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 22:56:45,484 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 22:56:45,485 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 22:56:45,485 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 22:56:45,485 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 22:56:45,485 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-13 22:56:45,485 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 22:56:45,486 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 22:56:45,486 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_74f10985-bd00-422a-aad0-89013b382cf5/bin/ukojak-2xVlg8857e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74f10985-bd00-422a-aad0-89013b382cf5/bin/ukojak-2xVlg8857e Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 61ee7f467544bc9f9ea1f0d9fd399b9972cb81a4a1640bca414247c42e8cc99d [2021-11-13 22:56:45,812 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 22:56:45,838 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 22:56:45,842 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 22:56:45,843 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 22:56:45,845 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 22:56:45,847 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74f10985-bd00-422a-aad0-89013b382cf5/bin/ukojak-2xVlg8857e/../../sv-benchmarks/c/array-cav19/array_init_var_plus_ind2.c [2021-11-13 22:56:45,930 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74f10985-bd00-422a-aad0-89013b382cf5/bin/ukojak-2xVlg8857e/data/5a9751179/0276568f51844475be8d27b8a22b5a6f/FLAG5c19987f1 [2021-11-13 22:56:46,533 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 22:56:46,533 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74f10985-bd00-422a-aad0-89013b382cf5/sv-benchmarks/c/array-cav19/array_init_var_plus_ind2.c [2021-11-13 22:56:46,544 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74f10985-bd00-422a-aad0-89013b382cf5/bin/ukojak-2xVlg8857e/data/5a9751179/0276568f51844475be8d27b8a22b5a6f/FLAG5c19987f1 [2021-11-13 22:56:46,560 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74f10985-bd00-422a-aad0-89013b382cf5/bin/ukojak-2xVlg8857e/data/5a9751179/0276568f51844475be8d27b8a22b5a6f [2021-11-13 22:56:46,563 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 22:56:46,565 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 22:56:46,569 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 22:56:46,569 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 22:56:46,572 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 22:56:46,573 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:56:46" (1/1) ... [2021-11-13 22:56:46,575 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20efdfb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:56:46, skipping insertion in model container [2021-11-13 22:56:46,575 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:56:46" (1/1) ... [2021-11-13 22:56:46,582 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 22:56:46,596 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 22:56:46,783 WARN L228 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_74f10985-bd00-422a-aad0-89013b382cf5/sv-benchmarks/c/array-cav19/array_init_var_plus_ind2.c[415,428] [2021-11-13 22:56:46,798 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 22:56:46,807 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 22:56:46,820 WARN L228 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_74f10985-bd00-422a-aad0-89013b382cf5/sv-benchmarks/c/array-cav19/array_init_var_plus_ind2.c[415,428] [2021-11-13 22:56:46,825 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 22:56:46,839 INFO L208 MainTranslator]: Completed translation [2021-11-13 22:56:46,839 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:56:46 WrapperNode [2021-11-13 22:56:46,840 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 22:56:46,841 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 22:56:46,841 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 22:56:46,841 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 22:56:46,849 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:56:46" (1/1) ... [2021-11-13 22:56:46,859 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:56:46" (1/1) ... [2021-11-13 22:56:46,879 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 22:56:46,880 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 22:56:46,880 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 22:56:46,880 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 22:56:46,889 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:56:46" (1/1) ... [2021-11-13 22:56:46,889 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:56:46" (1/1) ... [2021-11-13 22:56:46,890 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:56:46" (1/1) ... [2021-11-13 22:56:46,891 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:56:46" (1/1) ... [2021-11-13 22:56:46,906 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:56:46" (1/1) ... [2021-11-13 22:56:46,913 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:56:46" (1/1) ... [2021-11-13 22:56:46,916 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:56:46" (1/1) ... [2021-11-13 22:56:46,924 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 22:56:46,925 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 22:56:46,925 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 22:56:46,926 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 22:56:46,935 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:56:46" (1/1) ... [2021-11-13 22:56:46,944 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 22:56:46,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74f10985-bd00-422a-aad0-89013b382cf5/bin/ukojak-2xVlg8857e/z3 [2021-11-13 22:56:46,965 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74f10985-bd00-422a-aad0-89013b382cf5/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-13 22:56:46,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74f10985-bd00-422a-aad0-89013b382cf5/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-13 22:56:47,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 22:56:47,013 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 22:56:47,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-13 22:56:47,013 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 22:56:47,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 22:56:47,013 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-13 22:56:47,014 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 22:56:47,288 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 22:56:47,288 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-13 22:56:47,291 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:56:47 BoogieIcfgContainer [2021-11-13 22:56:47,291 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 22:56:47,292 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-13 22:56:47,292 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-13 22:56:47,302 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-13 22:56:47,302 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:56:47" (1/1) ... [2021-11-13 22:56:47,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 22:56:47,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:56:47,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2021-11-13 22:56:47,396 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2021-11-13 22:56:47,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-13 22:56:47,398 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:56:47,399 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:56:47,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:56:47,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:56:47,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:56:47,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 11 states and 14 transitions. [2021-11-13 22:56:47,683 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 14 transitions. [2021-11-13 22:56:47,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-13 22:56:47,683 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:56:47,684 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:56:47,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:56:47,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:56:47,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:56:47,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 14 states and 21 transitions. [2021-11-13 22:56:47,875 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 21 transitions. [2021-11-13 22:56:47,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-13 22:56:47,879 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:56:47,880 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:56:47,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:56:48,014 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:56:48,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:56:48,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 17 states and 28 transitions. [2021-11-13 22:56:48,169 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 28 transitions. [2021-11-13 22:56:48,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-13 22:56:48,169 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:56:48,170 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:56:48,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:56:48,242 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:56:48,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:56:48,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 18 states and 29 transitions. [2021-11-13 22:56:48,262 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 29 transitions. [2021-11-13 22:56:48,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-13 22:56:48,262 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:56:48,262 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:56:48,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:56:48,332 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:56:48,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:56:48,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 22 states and 39 transitions. [2021-11-13 22:56:48,700 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 39 transitions. [2021-11-13 22:56:48,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-13 22:56:48,701 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:56:48,701 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:56:48,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:56:48,925 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:56:49,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:56:49,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 24 states and 37 transitions. [2021-11-13 22:56:49,894 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2021-11-13 22:56:49,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-13 22:56:49,894 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:56:49,895 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:56:49,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:56:49,989 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:56:50,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:56:50,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 26 states and 42 transitions. [2021-11-13 22:56:50,246 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 42 transitions. [2021-11-13 22:56:50,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-13 22:56:50,246 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:56:50,248 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:56:50,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:56:50,630 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:56:51,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:56:51,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 29 states and 49 transitions. [2021-11-13 22:56:51,410 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 49 transitions. [2021-11-13 22:56:51,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-13 22:56:51,411 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:56:51,411 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:56:51,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:56:51,497 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:56:51,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:56:51,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 31 states and 54 transitions. [2021-11-13 22:56:51,839 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 54 transitions. [2021-11-13 22:56:51,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-13 22:56:51,840 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:56:51,840 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:56:51,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:56:52,007 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:56:53,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:56:53,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 38 states and 69 transitions. [2021-11-13 22:56:53,292 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 69 transitions. [2021-11-13 22:56:53,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-13 22:56:53,293 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:56:53,293 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:56:53,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:56:53,829 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:56:55,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:56:55,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 41 states and 77 transitions. [2021-11-13 22:56:55,242 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 77 transitions. [2021-11-13 22:56:55,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-13 22:56:55,243 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:56:55,243 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:56:55,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:56:55,740 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:56:58,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:56:58,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 48 states and 96 transitions. [2021-11-13 22:56:58,038 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 96 transitions. [2021-11-13 22:56:58,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-13 22:56:58,040 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:56:58,040 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:56:58,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:56:58,157 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:56:58,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:56:58,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 50 states and 103 transitions. [2021-11-13 22:56:58,819 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 103 transitions. [2021-11-13 22:56:58,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-13 22:56:58,820 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:56:58,820 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:56:58,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:56:58,889 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:56:59,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:56:59,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 52 states and 105 transitions. [2021-11-13 22:56:59,555 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 105 transitions. [2021-11-13 22:56:59,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-13 22:56:59,556 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:56:59,556 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:56:59,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:57:00,133 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:57:02,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:57:02,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 54 states and 111 transitions. [2021-11-13 22:57:02,055 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 111 transitions. [2021-11-13 22:57:02,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:57:02,056 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:57:02,057 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:57:02,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:57:02,723 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:57:05,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:57:05,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 60 states and 131 transitions. [2021-11-13 22:57:05,149 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 131 transitions. [2021-11-13 22:57:05,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:57:05,150 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:57:05,150 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:57:05,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:57:05,293 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:57:06,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:57:06,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 62 states and 139 transitions. [2021-11-13 22:57:06,039 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 139 transitions. [2021-11-13 22:57:06,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:57:06,040 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:57:06,040 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:57:06,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:57:06,124 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:57:07,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:57:07,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 64 states and 144 transitions. [2021-11-13 22:57:07,136 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 144 transitions. [2021-11-13 22:57:07,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:57:07,138 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:57:07,138 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:57:07,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:57:07,217 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:57:08,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:57:08,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 66 states and 151 transitions. [2021-11-13 22:57:08,122 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 151 transitions. [2021-11-13 22:57:08,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-13 22:57:08,123 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:57:08,123 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:57:08,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:57:08,480 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 3 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:57:10,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:57:10,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 69 states and 156 transitions. [2021-11-13 22:57:10,330 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 156 transitions. [2021-11-13 22:57:10,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-13 22:57:10,331 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:57:10,332 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:57:10,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:57:11,308 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:57:14,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:57:14,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 73 states and 171 transitions. [2021-11-13 22:57:14,902 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 171 transitions. [2021-11-13 22:57:14,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-13 22:57:14,902 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:57:14,902 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:57:14,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:57:14,931 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 3 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:57:15,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:57:15,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 74 states and 172 transitions. [2021-11-13 22:57:15,501 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 172 transitions. [2021-11-13 22:57:15,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-13 22:57:15,502 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:57:15,502 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:57:15,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:57:15,646 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:57:16,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:57:16,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 76 states and 180 transitions. [2021-11-13 22:57:16,511 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 180 transitions. [2021-11-13 22:57:16,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-13 22:57:16,511 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:57:16,511 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:57:16,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:57:17,443 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:57:19,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:57:19,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 78 states and 189 transitions. [2021-11-13 22:57:19,341 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 189 transitions. [2021-11-13 22:57:19,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-13 22:57:19,341 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:57:19,341 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:57:19,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:57:20,733 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:57:28,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:57:28,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 89 states and 225 transitions. [2021-11-13 22:57:28,612 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 225 transitions. [2021-11-13 22:57:28,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-13 22:57:28,613 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:57:28,614 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:57:28,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:57:30,035 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 12 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:57:34,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:57:34,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 94 states and 241 transitions. [2021-11-13 22:57:34,326 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 241 transitions. [2021-11-13 22:57:34,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-13 22:57:34,328 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:57:34,328 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:57:34,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:57:34,451 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:57:36,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:57:36,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 97 states and 246 transitions. [2021-11-13 22:57:36,646 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 246 transitions. [2021-11-13 22:57:36,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-13 22:57:36,647 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:57:36,647 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:57:36,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:57:36,758 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:57:38,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:57:38,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 99 states and 248 transitions. [2021-11-13 22:57:38,690 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 248 transitions. [2021-11-13 22:57:38,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-13 22:57:38,691 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:57:38,691 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:57:38,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:57:38,927 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:57:40,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:57:40,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 101 states and 257 transitions. [2021-11-13 22:57:40,307 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 257 transitions. [2021-11-13 22:57:40,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-13 22:57:40,308 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:57:40,308 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:57:40,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:57:41,758 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 2 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:57:44,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:57:44,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 103 states and 267 transitions. [2021-11-13 22:57:44,486 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 267 transitions. [2021-11-13 22:57:44,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-13 22:57:44,487 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:57:44,488 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:57:44,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:57:46,196 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:57:53,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:57:53,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 112 states and 303 transitions. [2021-11-13 22:57:53,770 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 303 transitions. [2021-11-13 22:57:53,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-13 22:57:53,770 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:57:53,771 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:57:53,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:57:55,864 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 20 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:58:01,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:58:01,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 117 states and 321 transitions. [2021-11-13 22:58:01,479 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 321 transitions. [2021-11-13 22:58:01,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-13 22:58:01,479 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:58:01,479 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:58:01,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:58:02,127 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:58:04,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:58:04,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 120 states and 328 transitions. [2021-11-13 22:58:04,839 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 328 transitions. [2021-11-13 22:58:04,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-13 22:58:04,839 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:58:04,840 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:58:04,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:58:05,447 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:58:07,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:58:07,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 122 states and 334 transitions. [2021-11-13 22:58:07,210 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 334 transitions. [2021-11-13 22:58:07,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-13 22:58:07,211 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:58:07,212 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:58:07,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:58:07,811 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:58:09,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:58:09,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 124 states and 340 transitions. [2021-11-13 22:58:09,515 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 340 transitions. [2021-11-13 22:58:09,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 22:58:09,516 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:58:09,516 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:58:09,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:58:09,863 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:58:11,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:58:11,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 126 states and 350 transitions. [2021-11-13 22:58:11,474 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 350 transitions. [2021-11-13 22:58:11,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 22:58:11,475 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:58:11,475 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:58:11,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:58:13,474 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 6 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:58:17,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:58:17,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 128 states and 361 transitions. [2021-11-13 22:58:17,108 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 361 transitions. [2021-11-13 22:58:17,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:58:17,108 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:58:17,109 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:58:17,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:58:19,798 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 30 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:58:26,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:58:26,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 133 states and 379 transitions. [2021-11-13 22:58:26,368 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 379 transitions. [2021-11-13 22:58:26,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:58:26,369 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:58:26,369 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:58:26,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:58:28,897 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:58:32,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:58:32,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 135 states and 386 transitions. [2021-11-13 22:58:32,551 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 386 transitions. [2021-11-13 22:58:32,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-13 22:58:32,552 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:58:32,552 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:58:32,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:58:35,143 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 3 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:58:53,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:58:53,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 148 states and 436 transitions. [2021-11-13 22:58:53,136 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 436 transitions. [2021-11-13 22:58:53,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-13 22:58:53,136 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:58:53,136 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:58:53,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:58:53,474 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:58:55,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:58:55,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 150 states and 447 transitions. [2021-11-13 22:58:55,235 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 447 transitions. [2021-11-13 22:58:55,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-13 22:58:55,236 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:58:55,236 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:58:55,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:58:55,331 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 3 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:59:00,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:59:00,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 154 states and 455 transitions. [2021-11-13 22:59:00,112 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 455 transitions. [2021-11-13 22:59:00,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-13 22:59:00,113 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:59:00,113 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:59:00,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:59:03,026 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 12 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:59:08,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:59:08,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 156 states and 467 transitions. [2021-11-13 22:59:08,013 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 467 transitions. [2021-11-13 22:59:08,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-13 22:59:08,013 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:59:08,014 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:59:08,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:59:08,086 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 3 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:59:10,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:59:10,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 158 states and 472 transitions. [2021-11-13 22:59:10,411 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 472 transitions. [2021-11-13 22:59:10,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-13 22:59:10,412 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:59:10,412 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:59:10,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:59:10,485 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 3 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:59:13,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:59:13,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 160 states and 474 transitions. [2021-11-13 22:59:13,758 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 474 transitions. [2021-11-13 22:59:13,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-13 22:59:13,759 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:59:13,760 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:59:13,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:59:17,378 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 42 proven. 68 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:59:26,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:59:26,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 165 states and 493 transitions. [2021-11-13 22:59:26,038 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 493 transitions. [2021-11-13 22:59:26,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-13 22:59:26,039 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:59:26,039 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:59:26,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:59:29,111 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 2 proven. 61 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:59:34,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:59:34,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 167 states and 500 transitions. [2021-11-13 22:59:34,171 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 500 transitions. [2021-11-13 22:59:34,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-13 22:59:34,172 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:59:34,172 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:59:34,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:59:37,201 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:59:56,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:59:56,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 179 states and 566 transitions. [2021-11-13 22:59:56,612 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 566 transitions. [2021-11-13 22:59:56,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-13 22:59:56,613 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:59:56,613 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:59:56,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:59:57,030 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 121 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:59:59,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:59:59,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 578 states to 181 states and 578 transitions. [2021-11-13 22:59:59,540 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 578 transitions. [2021-11-13 22:59:59,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-13 22:59:59,540 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:59:59,541 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:59:59,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:59:59,741 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:00:04,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:00:04,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 185 states and 589 transitions. [2021-11-13 23:00:04,128 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 589 transitions. [2021-11-13 23:00:04,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-13 23:00:04,129 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:00:04,129 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:00:04,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:00:08,288 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 20 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:00:14,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:00:14,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 187 states and 602 transitions. [2021-11-13 23:00:14,612 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 602 transitions. [2021-11-13 23:00:14,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-13 23:00:14,612 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:00:14,613 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:00:14,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:00:14,820 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:00:17,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:00:17,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 189 states and 609 transitions. [2021-11-13 23:00:17,937 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 609 transitions. [2021-11-13 23:00:17,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-13 23:00:17,938 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:00:17,938 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:00:17,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:00:18,151 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:00:20,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:00:20,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 616 states to 191 states and 616 transitions. [2021-11-13 23:00:20,952 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 616 transitions. [2021-11-13 23:00:20,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-13 23:00:20,952 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:00:20,952 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:00:20,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:00:21,165 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:00:24,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:00:24,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 193 states and 623 transitions. [2021-11-13 23:00:24,142 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 623 transitions. [2021-11-13 23:00:24,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 23:00:24,142 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:00:24,142 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:00:24,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:00:29,146 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 56 proven. 76 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:00:40,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:00:40,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 644 states to 198 states and 644 transitions. [2021-11-13 23:00:40,122 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 644 transitions. [2021-11-13 23:00:40,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 23:00:40,122 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:00:40,123 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:00:40,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:00:44,314 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 6 proven. 73 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:00:50,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:00:50,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 652 states to 200 states and 652 transitions. [2021-11-13 23:00:50,913 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 652 transitions. [2021-11-13 23:00:50,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 23:00:50,914 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:00:50,914 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:00:50,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:00:51,384 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:00:54,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:00:54,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 664 states to 202 states and 664 transitions. [2021-11-13 23:00:54,089 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 664 transitions. [2021-11-13 23:00:54,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 23:00:54,089 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:00:54,089 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:00:54,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:00:58,911 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 30 proven. 82 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:01:06,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:01:06,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 677 states to 204 states and 677 transitions. [2021-11-13 23:01:06,389 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 677 transitions. [2021-11-13 23:01:06,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 23:01:06,390 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:01:06,390 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:01:06,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:01:10,585 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 71 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:01:16,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:01:16,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 206 states and 685 transitions. [2021-11-13 23:01:16,928 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 685 transitions. [2021-11-13 23:01:16,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-13 23:01:16,928 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:01:16,928 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:01:16,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:01:22,013 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 9 proven. 59 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:01:50,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:01:50,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 747 states to 219 states and 747 transitions. [2021-11-13 23:01:50,885 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 747 transitions. [2021-11-13 23:01:50,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-13 23:01:50,886 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:01:50,886 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:01:50,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:01:57,048 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 72 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:02:10,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:02:10,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 769 states to 224 states and 769 transitions. [2021-11-13 23:02:10,268 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 769 transitions. [2021-11-13 23:02:10,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-13 23:02:10,273 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:02:10,274 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:02:10,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:02:10,353 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 9 proven. 59 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:02:22,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:02:22,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 781 states to 229 states and 781 transitions. [2021-11-13 23:02:22,183 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 781 transitions. [2021-11-13 23:02:22,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-13 23:02:22,184 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:02:22,184 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:02:22,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:02:27,749 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 12 proven. 85 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:02:36,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:02:36,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 231 states and 789 transitions. [2021-11-13 23:02:36,254 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 789 transitions. [2021-11-13 23:02:36,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-13 23:02:36,255 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:02:36,255 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:02:36,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:02:36,492 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 9 proven. 59 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:02:40,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:02:40,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 795 states to 233 states and 795 transitions. [2021-11-13 23:02:40,393 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 795 transitions. [2021-11-13 23:02:40,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-13 23:02:40,394 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:02:40,395 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:02:40,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:02:40,481 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 9 proven. 59 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:02:45,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:02:45,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 797 states to 235 states and 797 transitions. [2021-11-13 23:02:45,681 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 797 transitions. [2021-11-13 23:02:45,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-13 23:02:45,681 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:02:45,681 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:02:45,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:02:45,762 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 9 proven. 59 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:02:49,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:02:49,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 803 states to 237 states and 803 transitions. [2021-11-13 23:02:49,835 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 803 transitions. [2021-11-13 23:02:49,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-13 23:02:49,836 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:02:49,836 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:02:49,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:02:50,267 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 169 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:02:53,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:02:53,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 816 states to 239 states and 816 transitions. [2021-11-13 23:02:53,498 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 816 transitions. [2021-11-13 23:02:53,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-13 23:02:53,498 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:02:53,498 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:02:53,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:03:00,955 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 42 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:03:34,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:03:34,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 860 states to 249 states and 860 transitions. [2021-11-13 23:03:34,602 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 860 transitions. [2021-11-13 23:03:34,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-13 23:03:34,603 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:03:34,603 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:03:34,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:03:40,899 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 2 proven. 85 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:03:48,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:03:48,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 867 states to 251 states and 867 transitions. [2021-11-13 23:03:48,131 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 867 transitions. [2021-11-13 23:03:48,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-13 23:03:48,131 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:03:48,131 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:03:48,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:03:54,521 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 82 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:04:28,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:04:28,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 954 states to 263 states and 954 transitions. [2021-11-13 23:04:28,938 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 954 transitions. [2021-11-13 23:04:28,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-13 23:04:28,939 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:04:28,939 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:04:28,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:04:37,636 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 90 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:04:53,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:04:53,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 978 states to 268 states and 978 transitions. [2021-11-13 23:04:53,369 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 978 transitions. [2021-11-13 23:04:53,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-13 23:04:53,369 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:04:53,369 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:04:53,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:04:54,221 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 82 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:05:03,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:05:03,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 991 states to 272 states and 991 transitions. [2021-11-13 23:05:03,841 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 991 transitions. [2021-11-13 23:05:03,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-13 23:05:03,842 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:05:03,842 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:05:03,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:05:11,453 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 20 proven. 97 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:05:20,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:05:20,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 999 states to 274 states and 999 transitions. [2021-11-13 23:05:20,454 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 999 transitions. [2021-11-13 23:05:20,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-13 23:05:20,454 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:05:20,454 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:05:20,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:05:21,281 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 82 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:05:23,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:05:23,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1007 states to 276 states and 1007 transitions. [2021-11-13 23:05:23,489 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 1007 transitions. [2021-11-13 23:05:23,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-13 23:05:23,489 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:05:23,489 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:05:23,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:05:24,671 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 82 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:05:26,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:05:26,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1014 states to 278 states and 1014 transitions. [2021-11-13 23:05:26,880 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 1014 transitions. [2021-11-13 23:05:26,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-13 23:05:26,881 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:05:26,881 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:05:26,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:05:27,972 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 82 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:05:32,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:05:32,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1022 states to 280 states and 1022 transitions. [2021-11-13 23:05:32,925 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 1022 transitions. [2021-11-13 23:05:32,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-13 23:05:32,925 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:05:32,925 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:05:32,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:05:33,794 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 82 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:05:38,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:05:38,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1030 states to 282 states and 1030 transitions. [2021-11-13 23:05:38,354 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 1030 transitions. [2021-11-13 23:05:38,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-13 23:05:38,355 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:05:38,355 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:05:38,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:05:38,879 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 0 proven. 196 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:05:42,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:05:42,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1044 states to 284 states and 1044 transitions. [2021-11-13 23:05:42,772 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 1044 transitions. [2021-11-13 23:05:42,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-13 23:05:42,772 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:05:42,772 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:05:42,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:05:51,558 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 56 proven. 102 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:06:39,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:06:39,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1113 states to 300 states and 1113 transitions. [2021-11-13 23:06:39,194 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 1113 transitions. [2021-11-13 23:06:39,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-13 23:06:39,195 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:06:39,195 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:06:39,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:06:39,403 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 56 proven. 102 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:06:44,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:06:44,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1129 states to 302 states and 1129 transitions. [2021-11-13 23:06:44,080 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 1129 transitions. [2021-11-13 23:06:44,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-13 23:06:44,081 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:06:44,081 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:06:44,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:06:51,753 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 6 proven. 99 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:07:15,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:07:15,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1155 states to 308 states and 1155 transitions. [2021-11-13 23:07:15,245 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 1155 transitions. [2021-11-13 23:07:15,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-13 23:07:15,246 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:07:15,246 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:07:15,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:07:16,290 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 6 proven. 99 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:07:18,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:07:18,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1163 states to 310 states and 1163 transitions. [2021-11-13 23:07:18,660 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 1163 transitions. [2021-11-13 23:07:18,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-13 23:07:18,660 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:07:18,660 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:07:18,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:07:29,692 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 110 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:08:26,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:08:26,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1219 states to 330 states and 1219 transitions. [2021-11-13 23:08:26,568 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 1219 transitions. [2021-11-13 23:08:26,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-13 23:08:26,569 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:08:26,569 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:08:26,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:08:26,761 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 110 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:08:37,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:08:37,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1244 states to 335 states and 1244 transitions. [2021-11-13 23:08:37,073 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 1244 transitions. [2021-11-13 23:08:37,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-13 23:08:37,074 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:08:37,074 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:08:37,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat