./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-simple/sll2c_remove_all_reverse.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1351c098-8897-42ee-9e98-7b1db82a2d72/bin/ukojak-d1pc8ZmBRL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1351c098-8897-42ee-9e98-7b1db82a2d72/bin/ukojak-d1pc8ZmBRL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1351c098-8897-42ee-9e98-7b1db82a2d72/bin/ukojak-d1pc8ZmBRL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1351c098-8897-42ee-9e98-7b1db82a2d72/bin/ukojak-d1pc8ZmBRL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-simple/sll2c_remove_all_reverse.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1351c098-8897-42ee-9e98-7b1db82a2d72/bin/ukojak-d1pc8ZmBRL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1351c098-8897-42ee-9e98-7b1db82a2d72/bin/ukojak-d1pc8ZmBRL --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3340815bef7e21ae2d4803d7059577c1761bb3b7b4bb24b2b34d5d0d0054fd10 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 07:51:36,946 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 07:51:36,948 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 07:51:36,983 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 07:51:36,984 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 07:51:36,985 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 07:51:36,987 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 07:51:36,990 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 07:51:36,992 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 07:51:36,993 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 07:51:36,995 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 07:51:36,996 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 07:51:36,997 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 07:51:36,998 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 07:51:37,000 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 07:51:37,002 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 07:51:37,003 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 07:51:37,004 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 07:51:37,006 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 07:51:37,009 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 07:51:37,011 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 07:51:37,014 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 07:51:37,015 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 07:51:37,016 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 07:51:37,020 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 07:51:37,020 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 07:51:37,021 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 07:51:37,022 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 07:51:37,022 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 07:51:37,024 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 07:51:37,024 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 07:51:37,025 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 07:51:37,029 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 07:51:37,031 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 07:51:37,033 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 07:51:37,034 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 07:51:37,034 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 07:51:37,035 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 07:51:37,035 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 07:51:37,036 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 07:51:37,037 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 07:51:37,038 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1351c098-8897-42ee-9e98-7b1db82a2d72/bin/ukojak-d1pc8ZmBRL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-25 07:51:37,091 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 07:51:37,091 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 07:51:37,093 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-25 07:51:37,093 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-25 07:51:37,094 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 07:51:37,094 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 07:51:37,094 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-25 07:51:37,095 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 07:51:37,101 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 07:51:37,101 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 07:51:37,103 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-25 07:51:37,103 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-25 07:51:37,103 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-25 07:51:37,103 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 07:51:37,104 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 07:51:37,104 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 07:51:37,104 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-25 07:51:37,104 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-25 07:51:37,105 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 07:51:37,105 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-25 07:51:37,105 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 07:51:37,105 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 07:51:37,106 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-25 07:51:37,106 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 07:51:37,106 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_1351c098-8897-42ee-9e98-7b1db82a2d72/bin/ukojak-d1pc8ZmBRL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1351c098-8897-42ee-9e98-7b1db82a2d72/bin/ukojak-d1pc8ZmBRL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3340815bef7e21ae2d4803d7059577c1761bb3b7b4bb24b2b34d5d0d0054fd10 [2021-11-25 07:51:37,460 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 07:51:37,499 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 07:51:37,502 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 07:51:37,504 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 07:51:37,505 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 07:51:37,506 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1351c098-8897-42ee-9e98-7b1db82a2d72/bin/ukojak-d1pc8ZmBRL/../../sv-benchmarks/c/list-simple/sll2c_remove_all_reverse.i [2021-11-25 07:51:37,584 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1351c098-8897-42ee-9e98-7b1db82a2d72/bin/ukojak-d1pc8ZmBRL/data/a8b1d6a8b/4dd9d7d6a27a40c29865658b90cc5b28/FLAG0962a4f6f [2021-11-25 07:51:38,212 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 07:51:38,213 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1351c098-8897-42ee-9e98-7b1db82a2d72/sv-benchmarks/c/list-simple/sll2c_remove_all_reverse.i [2021-11-25 07:51:38,244 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1351c098-8897-42ee-9e98-7b1db82a2d72/bin/ukojak-d1pc8ZmBRL/data/a8b1d6a8b/4dd9d7d6a27a40c29865658b90cc5b28/FLAG0962a4f6f [2021-11-25 07:51:38,484 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1351c098-8897-42ee-9e98-7b1db82a2d72/bin/ukojak-d1pc8ZmBRL/data/a8b1d6a8b/4dd9d7d6a27a40c29865658b90cc5b28 [2021-11-25 07:51:38,487 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 07:51:38,489 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 07:51:38,492 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 07:51:38,492 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 07:51:38,496 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 07:51:38,496 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:51:38" (1/1) ... [2021-11-25 07:51:38,498 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3dcbc382 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:51:38, skipping insertion in model container [2021-11-25 07:51:38,501 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:51:38" (1/1) ... [2021-11-25 07:51:38,508 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 07:51:38,554 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 07:51:38,960 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1351c098-8897-42ee-9e98-7b1db82a2d72/sv-benchmarks/c/list-simple/sll2c_remove_all_reverse.i[24151,24164] [2021-11-25 07:51:38,963 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 07:51:38,971 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 07:51:39,011 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1351c098-8897-42ee-9e98-7b1db82a2d72/sv-benchmarks/c/list-simple/sll2c_remove_all_reverse.i[24151,24164] [2021-11-25 07:51:39,012 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 07:51:39,056 INFO L208 MainTranslator]: Completed translation [2021-11-25 07:51:39,056 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:51:39 WrapperNode [2021-11-25 07:51:39,056 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 07:51:39,058 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 07:51:39,059 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 07:51:39,059 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 07:51:39,067 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:51:39" (1/1) ... [2021-11-25 07:51:39,104 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:51:39" (1/1) ... [2021-11-25 07:51:39,144 INFO L137 Inliner]: procedures = 126, calls = 36, calls flagged for inlining = 7, calls inlined = 8, statements flattened = 138 [2021-11-25 07:51:39,144 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 07:51:39,146 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 07:51:39,147 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 07:51:39,147 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 07:51:39,156 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:51:39" (1/1) ... [2021-11-25 07:51:39,157 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:51:39" (1/1) ... [2021-11-25 07:51:39,175 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:51:39" (1/1) ... [2021-11-25 07:51:39,176 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:51:39" (1/1) ... [2021-11-25 07:51:39,196 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:51:39" (1/1) ... [2021-11-25 07:51:39,200 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:51:39" (1/1) ... [2021-11-25 07:51:39,203 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:51:39" (1/1) ... [2021-11-25 07:51:39,216 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 07:51:39,222 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 07:51:39,222 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 07:51:39,222 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 07:51:39,224 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:51:39" (1/1) ... [2021-11-25 07:51:39,233 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-25 07:51:39,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1351c098-8897-42ee-9e98-7b1db82a2d72/bin/ukojak-d1pc8ZmBRL/z3 [2021-11-25 07:51:39,260 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1351c098-8897-42ee-9e98-7b1db82a2d72/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-25 07:51:39,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1351c098-8897-42ee-9e98-7b1db82a2d72/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-25 07:51:39,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 07:51:39,314 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 07:51:39,315 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 07:51:39,316 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 07:51:39,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 07:51:39,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 07:51:39,316 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 07:51:39,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-25 07:51:39,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 07:51:39,318 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 07:51:39,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 07:51:39,484 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 07:51:39,486 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 07:51:39,853 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 07:51:39,931 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 07:51:39,931 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-11-25 07:51:39,933 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:51:39 BoogieIcfgContainer [2021-11-25 07:51:39,942 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 07:51:39,943 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-25 07:51:39,943 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-25 07:51:39,952 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-25 07:51:39,952 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:51:39" (1/1) ... [2021-11-25 07:51:39,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 07:51:40,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:51:40,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 86 states and 95 transitions. [2021-11-25 07:51:40,038 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 95 transitions. [2021-11-25 07:51:40,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-25 07:51:40,040 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:51:40,042 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:51:40,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:51:40,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:51:40,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:51:40,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 85 states and 94 transitions. [2021-11-25 07:51:40,322 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 94 transitions. [2021-11-25 07:51:40,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-25 07:51:40,323 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:51:40,323 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:51:40,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:51:40,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:51:40,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:51:40,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 84 states and 93 transitions. [2021-11-25 07:51:40,592 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 93 transitions. [2021-11-25 07:51:40,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-25 07:51:40,592 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:51:40,592 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:51:40,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:51:40,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:51:40,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:51:40,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 83 states and 92 transitions. [2021-11-25 07:51:40,680 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 92 transitions. [2021-11-25 07:51:40,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-25 07:51:40,680 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:51:40,681 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:51:40,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:51:40,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:51:40,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:51:40,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 82 states and 91 transitions. [2021-11-25 07:51:40,756 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 91 transitions. [2021-11-25 07:51:40,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-25 07:51:40,757 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:51:40,757 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:51:40,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:51:40,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:51:41,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:51:41,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 83 states and 93 transitions. [2021-11-25 07:51:41,021 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 93 transitions. [2021-11-25 07:51:41,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-25 07:51:41,022 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:51:41,022 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:51:41,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:51:41,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:51:41,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:51:41,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 82 states and 92 transitions. [2021-11-25 07:51:41,131 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 92 transitions. [2021-11-25 07:51:41,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-25 07:51:41,132 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:51:41,133 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:51:41,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:51:41,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:51:41,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:51:41,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 81 states and 91 transitions. [2021-11-25 07:51:41,307 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 91 transitions. [2021-11-25 07:51:41,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-25 07:51:41,310 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:51:41,311 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:51:41,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:51:41,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:51:41,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:51:41,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 80 states and 90 transitions. [2021-11-25 07:51:41,366 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 90 transitions. [2021-11-25 07:51:41,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-25 07:51:41,366 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:51:41,367 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:51:41,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:51:41,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:51:41,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:51:41,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 79 states and 89 transitions. [2021-11-25 07:51:41,528 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 89 transitions. [2021-11-25 07:51:41,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-25 07:51:41,528 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:51:41,529 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:51:41,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:51:41,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:51:41,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:51:41,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 78 states and 88 transitions. [2021-11-25 07:51:41,642 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 88 transitions. [2021-11-25 07:51:41,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-25 07:51:41,643 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:51:41,643 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:51:41,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:51:41,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:51:41,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:51:41,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 77 states and 87 transitions. [2021-11-25 07:51:41,891 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 87 transitions. [2021-11-25 07:51:41,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-25 07:51:41,892 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:51:41,892 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:51:41,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:51:42,039 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 07:51:42,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:51:42,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 76 states and 86 transitions. [2021-11-25 07:51:42,653 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 86 transitions. [2021-11-25 07:51:42,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-25 07:51:42,654 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:51:42,654 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:51:42,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:51:42,745 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 07:51:43,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:51:43,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 75 states and 85 transitions. [2021-11-25 07:51:43,734 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 85 transitions. [2021-11-25 07:51:43,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-25 07:51:43,734 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:51:43,735 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:51:43,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:51:44,104 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 07:51:46,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:51:46,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 77 states and 89 transitions. [2021-11-25 07:51:46,047 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 89 transitions. [2021-11-25 07:51:46,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-25 07:51:46,047 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:51:46,048 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:51:46,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:51:46,612 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:51:49,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:51:49,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 79 states and 93 transitions. [2021-11-25 07:51:49,363 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 93 transitions. [2021-11-25 07:51:49,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-25 07:51:49,364 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:51:49,364 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:51:49,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:51:49,561 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 07:51:51,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:51:51,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 80 states and 95 transitions. [2021-11-25 07:51:51,763 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 95 transitions. [2021-11-25 07:51:51,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-25 07:51:51,764 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:51:51,764 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:51:51,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:51:52,152 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:51:53,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:51:53,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 83 states and 101 transitions. [2021-11-25 07:51:53,831 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 101 transitions. [2021-11-25 07:51:53,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-25 07:51:53,831 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:51:53,832 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:51:53,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:51:54,334 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:51:56,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:51:56,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 86 states and 108 transitions. [2021-11-25 07:51:56,922 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 108 transitions. [2021-11-25 07:51:56,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-25 07:51:56,922 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:51:56,922 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:51:56,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:51:56,956 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 07:51:57,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:51:57,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 88 states and 112 transitions. [2021-11-25 07:51:57,333 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 112 transitions. [2021-11-25 07:51:57,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-25 07:51:57,333 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:51:57,334 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:51:57,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:51:57,693 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 07:51:58,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:51:58,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 90 states and 116 transitions. [2021-11-25 07:51:58,385 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 116 transitions. [2021-11-25 07:51:58,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-25 07:51:58,386 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:51:58,386 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:51:58,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:51:58,429 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 07:51:58,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:51:58,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 89 states and 115 transitions. [2021-11-25 07:51:58,442 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 115 transitions. [2021-11-25 07:51:58,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-25 07:51:58,443 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:51:58,443 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:51:58,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:51:58,551 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 07:51:58,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:51:58,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 91 states and 118 transitions. [2021-11-25 07:51:58,567 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 118 transitions. [2021-11-25 07:51:58,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-25 07:51:58,567 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:51:58,568 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:51:58,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:51:58,604 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 07:51:58,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:51:58,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 92 states and 120 transitions. [2021-11-25 07:51:58,994 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 120 transitions. [2021-11-25 07:51:58,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-25 07:51:58,994 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:51:58,994 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:51:59,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:51:59,165 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 07:52:00,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:52:00,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 93 states and 121 transitions. [2021-11-25 07:52:00,188 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 121 transitions. [2021-11-25 07:52:00,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:52:00,189 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:52:00,189 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:52:00,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:52:01,663 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:52:09,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:52:09,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 106 states and 146 transitions. [2021-11-25 07:52:09,508 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 146 transitions. [2021-11-25 07:52:09,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:52:09,509 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:52:09,509 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:52:09,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:52:10,654 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:52:15,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:52:15,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 112 states and 158 transitions. [2021-11-25 07:52:15,508 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 158 transitions. [2021-11-25 07:52:15,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-25 07:52:15,509 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:52:15,509 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:52:15,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:52:15,564 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 07:52:15,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:52:15,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 111 states and 157 transitions. [2021-11-25 07:52:15,577 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 157 transitions. [2021-11-25 07:52:15,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-25 07:52:15,581 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:52:15,581 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:52:15,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:52:15,706 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 07:52:15,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:52:15,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 113 states and 160 transitions. [2021-11-25 07:52:15,735 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 160 transitions. [2021-11-25 07:52:15,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-25 07:52:15,740 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:52:15,741 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:52:15,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:52:16,176 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 07:52:19,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:52:19,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 118 states and 169 transitions. [2021-11-25 07:52:19,461 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 169 transitions. [2021-11-25 07:52:19,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-25 07:52:19,462 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:52:19,463 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:52:19,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:52:19,493 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-25 07:52:20,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:52:20,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 117 states and 167 transitions. [2021-11-25 07:52:20,268 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 167 transitions. [2021-11-25 07:52:20,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-25 07:52:20,268 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:52:20,269 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:52:20,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:52:20,385 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-25 07:52:20,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:52:20,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 118 states and 167 transitions. [2021-11-25 07:52:20,937 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 167 transitions. [2021-11-25 07:52:20,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-25 07:52:20,937 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:52:20,938 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:52:20,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:52:21,996 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:52:25,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:52:25,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 124 states and 177 transitions. [2021-11-25 07:52:25,945 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 177 transitions. [2021-11-25 07:52:25,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-25 07:52:25,945 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:52:25,946 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:52:25,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:52:27,129 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:52:39,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:52:39,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 134 states and 195 transitions. [2021-11-25 07:52:39,807 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 195 transitions. [2021-11-25 07:52:39,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-25 07:52:39,808 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:52:39,808 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:52:39,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:52:40,117 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:52:44,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:52:44,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 137 states and 199 transitions. [2021-11-25 07:52:44,289 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 199 transitions. [2021-11-25 07:52:44,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-25 07:52:44,291 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:52:44,291 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:52:44,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:52:46,890 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:52:59,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:52:59,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 146 states and 221 transitions. [2021-11-25 07:52:59,099 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 221 transitions. [2021-11-25 07:52:59,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-25 07:52:59,100 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:52:59,100 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:52:59,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:53:00,759 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:53:03,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:53:03,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 147 states and 223 transitions. [2021-11-25 07:53:03,678 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 223 transitions. [2021-11-25 07:53:03,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-25 07:53:03,678 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:53:03,679 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:53:03,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:53:03,976 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 07:53:06,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:53:06,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 151 states and 228 transitions. [2021-11-25 07:53:06,636 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 228 transitions. [2021-11-25 07:53:06,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-25 07:53:06,637 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:53:06,637 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:53:06,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:53:08,765 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:53:30,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:53:30,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 166 states and 253 transitions. [2021-11-25 07:53:30,065 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 253 transitions. [2021-11-25 07:53:30,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-25 07:53:30,065 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:53:30,065 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:53:30,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:53:30,177 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 07:53:33,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:53:33,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 170 states and 258 transitions. [2021-11-25 07:53:33,464 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 258 transitions. [2021-11-25 07:53:33,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-25 07:53:33,465 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:53:33,465 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:53:33,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:53:33,499 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-25 07:53:33,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:53:33,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 169 states and 257 transitions. [2021-11-25 07:53:33,515 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 257 transitions. [2021-11-25 07:53:33,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-25 07:53:33,516 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:53:33,516 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:53:33,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:53:33,620 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-25 07:53:33,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:53:33,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 170 states and 258 transitions. [2021-11-25 07:53:33,641 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 258 transitions. [2021-11-25 07:53:33,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-25 07:53:33,641 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:53:33,641 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:53:33,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:53:33,671 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 07:53:35,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:53:35,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 156 states and 229 transitions. [2021-11-25 07:53:35,135 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 229 transitions. [2021-11-25 07:53:35,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-25 07:53:35,136 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:53:35,136 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:53:35,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:53:35,171 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-25 07:53:41,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:53:41,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 160 states and 236 transitions. [2021-11-25 07:53:41,028 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 236 transitions. [2021-11-25 07:53:41,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-25 07:53:41,029 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:53:41,029 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:53:41,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:53:41,463 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-25 07:53:48,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:53:48,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 167 states and 248 transitions. [2021-11-25 07:53:48,598 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 248 transitions. [2021-11-25 07:53:48,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-25 07:53:48,598 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:53:48,599 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:53:48,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:53:48,997 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-25 07:53:59,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:53:59,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 174 states and 261 transitions. [2021-11-25 07:53:59,176 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 261 transitions. [2021-11-25 07:53:59,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-25 07:53:59,177 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:53:59,177 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:53:59,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:53:59,212 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-25 07:54:02,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:54:02,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 177 states and 266 transitions. [2021-11-25 07:54:02,486 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 266 transitions. [2021-11-25 07:54:02,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-25 07:54:02,487 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:54:02,487 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:54:02,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:54:02,541 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-25 07:54:05,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:54:05,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 180 states and 271 transitions. [2021-11-25 07:54:05,834 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 271 transitions. [2021-11-25 07:54:05,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:54:05,834 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:54:05,834 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:54:05,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:54:07,359 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 07:54:13,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:54:13,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 181 states and 273 transitions. [2021-11-25 07:54:13,700 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 273 transitions. [2021-11-25 07:54:13,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-25 07:54:13,701 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:54:13,701 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:54:13,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:54:14,106 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 07:54:31,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:54:31,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 193 states and 295 transitions. [2021-11-25 07:54:31,411 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 295 transitions. [2021-11-25 07:54:31,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-25 07:54:31,412 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:54:31,412 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:54:31,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:54:32,284 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 07:54:50,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:54:50,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 204 states and 316 transitions. [2021-11-25 07:54:50,481 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 316 transitions. [2021-11-25 07:54:50,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-25 07:54:50,482 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:54:50,482 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:54:50,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:54:50,917 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 07:55:11,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:55:11,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 217 states and 348 transitions. [2021-11-25 07:55:11,636 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 348 transitions. [2021-11-25 07:55:11,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-25 07:55:11,637 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:55:11,637 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:55:11,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:55:16,067 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:55:27,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:55:27,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 225 states and 364 transitions. [2021-11-25 07:55:27,909 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 364 transitions. [2021-11-25 07:55:27,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-25 07:55:27,909 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:55:27,909 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:55:27,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:55:27,938 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-25 07:55:29,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:55:29,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 226 states and 366 transitions. [2021-11-25 07:55:29,518 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 366 transitions. [2021-11-25 07:55:29,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-25 07:55:29,519 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:55:29,519 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:55:29,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:55:30,668 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-25 07:55:34,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:55:34,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 228 states and 374 transitions. [2021-11-25 07:55:34,433 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 374 transitions. [2021-11-25 07:55:34,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-25 07:55:34,433 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:55:34,434 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:55:34,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:55:36,106 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:55:45,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:55:45,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 233 states and 390 transitions. [2021-11-25 07:55:45,893 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 390 transitions. [2021-11-25 07:55:45,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-25 07:55:45,894 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:55:45,894 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:55:45,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:55:45,974 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 10 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:55:52,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:55:52,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 236 states and 393 transitions. [2021-11-25 07:55:52,426 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 393 transitions. [2021-11-25 07:55:52,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-25 07:55:52,427 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:55:52,427 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:55:52,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:55:55,579 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:56:10,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:56:10,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 241 states and 398 transitions. [2021-11-25 07:56:10,112 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 398 transitions. [2021-11-25 07:56:10,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-25 07:56:10,112 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:56:10,112 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:56:10,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:56:14,818 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:57:07,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:57:07,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 257 states and 430 transitions. [2021-11-25 07:57:07,926 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 430 transitions. [2021-11-25 07:57:07,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-25 07:57:07,926 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:57:07,926 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:57:07,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:57:10,463 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 07:57:37,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:57:37,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 267 states and 452 transitions. [2021-11-25 07:57:37,528 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 452 transitions. [2021-11-25 07:57:37,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-25 07:57:37,529 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:57:37,535 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:57:37,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:57:39,440 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 07:58:02,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:58:02,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 275 states and 468 transitions. [2021-11-25 07:58:02,726 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 468 transitions. [2021-11-25 07:58:02,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-25 07:58:02,727 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:58:02,727 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:58:02,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:58:02,763 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:58:06,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:58:06,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 278 states and 473 transitions. [2021-11-25 07:58:06,352 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 473 transitions. [2021-11-25 07:58:06,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-25 07:58:06,353 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:58:06,353 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:58:06,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:58:08,788 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 07:59:11,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:59:11,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 296 states and 508 transitions. [2021-11-25 07:59:11,302 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 508 transitions. [2021-11-25 07:59:11,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-25 07:59:11,302 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:59:11,303 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:59:11,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:59:11,407 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-25 07:59:22,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:59:22,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 302 states and 520 transitions. [2021-11-25 07:59:22,252 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 520 transitions. [2021-11-25 07:59:22,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-25 07:59:22,252 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:59:22,253 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:59:22,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:59:27,722 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:59:52,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:59:52,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 309 states and 534 transitions. [2021-11-25 07:59:52,506 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 534 transitions. [2021-11-25 07:59:52,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-25 07:59:52,507 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:59:52,507 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:59:52,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:59:52,552 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-25 08:00:02,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:00:02,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 314 states and 544 transitions. [2021-11-25 08:00:02,630 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 544 transitions. [2021-11-25 08:00:02,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-25 08:00:02,630 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:00:02,631 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:00:02,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:00:02,680 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-25 08:00:40,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:00:40,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 328 states and 572 transitions. [2021-11-25 08:00:40,464 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 572 transitions. [2021-11-25 08:00:40,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-25 08:00:40,464 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:00:40,464 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:00:40,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:00:40,511 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-25 08:00:42,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:00:42,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 329 states and 574 transitions. [2021-11-25 08:00:42,903 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 574 transitions. [2021-11-25 08:00:42,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-25 08:00:42,904 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:00:42,904 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:00:42,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:00:42,942 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-25 08:01:21,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:01:21,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 343 states and 601 transitions. [2021-11-25 08:01:21,739 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 601 transitions. [2021-11-25 08:01:21,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-25 08:01:21,739 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:01:21,739 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:01:21,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:01:32,475 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 08:02:12,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:02:12,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 352 states and 623 transitions. [2021-11-25 08:02:12,286 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 623 transitions. [2021-11-25 08:02:12,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-25 08:02:12,286 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:02:12,287 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:02:12,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:02:21,678 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 08:02:57,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:02:57,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 644 states to 361 states and 644 transitions. [2021-11-25 08:02:57,897 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 644 transitions. [2021-11-25 08:02:57,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-25 08:02:57,898 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:02:57,898 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:02:57,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:03:03,823 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 08:03:18,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:03:18,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 657 states to 364 states and 657 transitions. [2021-11-25 08:03:18,305 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 657 transitions. [2021-11-25 08:03:18,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-25 08:03:18,306 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:03:18,306 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:03:18,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:03:23,306 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.