./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/forester-heap/dll-simple-white-blue-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1a4eab5-6af5-4dfd-89fc-98c44696f3cf/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1a4eab5-6af5-4dfd-89fc-98c44696f3cf/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1a4eab5-6af5-4dfd-89fc-98c44696f3cf/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1a4eab5-6af5-4dfd-89fc-98c44696f3cf/bin/ukojak-LBtLqBUTdQ/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/forester-heap/dll-simple-white-blue-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1a4eab5-6af5-4dfd-89fc-98c44696f3cf/bin/ukojak-LBtLqBUTdQ/config/svcomp-MemCleanup-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1a4eab5-6af5-4dfd-89fc-98c44696f3cf/bin/ukojak-LBtLqBUTdQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4bb6c46a4de77c33ebd5db0d25fe513601ef52929336922ed8d1cb2e429dd77c --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:49:13,247 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:49:13,249 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:49:13,284 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:49:13,285 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:49:13,286 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:49:13,288 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:49:13,291 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:49:13,294 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:49:13,295 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:49:13,297 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:49:13,299 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:49:13,299 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:49:13,301 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:49:13,303 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:49:13,305 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:49:13,306 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:49:13,307 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:49:13,310 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:49:13,313 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:49:13,315 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:49:13,317 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:49:13,318 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:49:13,320 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:49:13,324 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:49:13,324 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:49:13,325 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:49:13,326 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:49:13,327 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:49:13,328 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:49:13,328 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:49:13,334 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:49:13,335 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:49:13,336 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:49:13,338 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:49:13,340 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:49:13,341 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:49:13,342 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:49:13,343 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:49:13,344 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:49:13,345 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:49:13,346 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1a4eab5-6af5-4dfd-89fc-98c44696f3cf/bin/ukojak-LBtLqBUTdQ/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2021-11-23 00:49:13,395 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:49:13,395 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:49:13,397 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:49:13,397 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:49:13,397 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:49:13,397 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:49:13,398 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 00:49:13,398 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:49:13,398 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:49:13,398 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:49:13,399 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 00:49:13,399 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 00:49:13,399 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:49:13,399 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:49:13,400 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:49:13,400 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:49:13,400 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:49:13,400 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:49:13,401 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:49:13,401 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:49:13,401 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:49:13,402 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:49:13,402 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:49:13,402 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_d1a4eab5-6af5-4dfd-89fc-98c44696f3cf/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1a4eab5-6af5-4dfd-89fc-98c44696f3cf/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4bb6c46a4de77c33ebd5db0d25fe513601ef52929336922ed8d1cb2e429dd77c [2021-11-23 00:49:13,725 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:49:13,755 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:49:13,758 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:49:13,760 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:49:13,761 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:49:13,763 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1a4eab5-6af5-4dfd-89fc-98c44696f3cf/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/forester-heap/dll-simple-white-blue-1.i [2021-11-23 00:49:13,839 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1a4eab5-6af5-4dfd-89fc-98c44696f3cf/bin/ukojak-LBtLqBUTdQ/data/6316f04d6/2c14e130eb59400187b4a10495be45a1/FLAGab17d4e6c [2021-11-23 00:49:14,521 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:49:14,522 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1a4eab5-6af5-4dfd-89fc-98c44696f3cf/sv-benchmarks/c/forester-heap/dll-simple-white-blue-1.i [2021-11-23 00:49:14,536 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1a4eab5-6af5-4dfd-89fc-98c44696f3cf/bin/ukojak-LBtLqBUTdQ/data/6316f04d6/2c14e130eb59400187b4a10495be45a1/FLAGab17d4e6c [2021-11-23 00:49:14,799 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1a4eab5-6af5-4dfd-89fc-98c44696f3cf/bin/ukojak-LBtLqBUTdQ/data/6316f04d6/2c14e130eb59400187b4a10495be45a1 [2021-11-23 00:49:14,804 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:49:14,805 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:49:14,808 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:49:14,808 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:49:14,812 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:49:14,813 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:49:14" (1/1) ... [2021-11-23 00:49:14,815 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7996d218 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:49:14, skipping insertion in model container [2021-11-23 00:49:14,815 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:49:14" (1/1) ... [2021-11-23 00:49:14,824 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:49:14,881 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:49:15,279 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_d1a4eab5-6af5-4dfd-89fc-98c44696f3cf/sv-benchmarks/c/forester-heap/dll-simple-white-blue-1.i[22793,22806] [2021-11-23 00:49:15,286 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:49:15,295 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:49:15,346 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_d1a4eab5-6af5-4dfd-89fc-98c44696f3cf/sv-benchmarks/c/forester-heap/dll-simple-white-blue-1.i[22793,22806] [2021-11-23 00:49:15,350 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:49:15,384 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:49:15,385 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:49:15 WrapperNode [2021-11-23 00:49:15,385 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:49:15,386 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:49:15,387 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:49:15,387 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:49:15,396 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:49:15" (1/1) ... [2021-11-23 00:49:15,413 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:49:15" (1/1) ... [2021-11-23 00:49:15,442 INFO L137 Inliner]: procedures = 119, calls = 39, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 124 [2021-11-23 00:49:15,443 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:49:15,444 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:49:15,444 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:49:15,444 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:49:15,454 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:49:15" (1/1) ... [2021-11-23 00:49:15,455 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:49:15" (1/1) ... [2021-11-23 00:49:15,460 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:49:15" (1/1) ... [2021-11-23 00:49:15,460 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:49:15" (1/1) ... [2021-11-23 00:49:15,474 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:49:15" (1/1) ... [2021-11-23 00:49:15,480 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:49:15" (1/1) ... [2021-11-23 00:49:15,483 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:49:15" (1/1) ... [2021-11-23 00:49:15,487 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:49:15,488 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:49:15,488 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:49:15,488 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:49:15,490 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:49:15" (1/1) ... [2021-11-23 00:49:15,499 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:49:15,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1a4eab5-6af5-4dfd-89fc-98c44696f3cf/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:49:15,528 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1a4eab5-6af5-4dfd-89fc-98c44696f3cf/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:49:15,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1a4eab5-6af5-4dfd-89fc-98c44696f3cf/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:49:15,577 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 00:49:15,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 00:49:15,578 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 00:49:15,578 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:49:15,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 00:49:15,578 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 00:49:15,578 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 00:49:15,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 00:49:15,579 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:49:15,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:49:15,721 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:49:15,723 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:49:16,281 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:49:16,356 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:49:16,357 INFO L301 CfgBuilder]: Removed 8 assume(true) statements. [2021-11-23 00:49:16,360 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:49:16 BoogieIcfgContainer [2021-11-23 00:49:16,361 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:49:16,362 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:49:16,362 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:49:16,388 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:49:16,389 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:49:16" (1/1) ... [2021-11-23 00:49:16,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:49:16,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:16,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 109 states and 122 transitions. [2021-11-23 00:49:16,495 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 122 transitions. [2021-11-23 00:49:16,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2021-11-23 00:49:16,497 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:16,498 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:16,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:16,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:49:16,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:16,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 108 states and 121 transitions. [2021-11-23 00:49:16,732 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 121 transitions. [2021-11-23 00:49:16,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2021-11-23 00:49:16,733 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:16,733 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:16,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:16,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:49:16,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:16,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 107 states and 120 transitions. [2021-11-23 00:49:16,957 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 120 transitions. [2021-11-23 00:49:16,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-23 00:49:16,957 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:16,958 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:16,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:17,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:49:17,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:17,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 106 states and 119 transitions. [2021-11-23 00:49:17,046 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 119 transitions. [2021-11-23 00:49:17,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-23 00:49:17,046 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:17,047 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:17,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:17,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:49:17,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:17,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 105 states and 118 transitions. [2021-11-23 00:49:17,138 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 118 transitions. [2021-11-23 00:49:17,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 00:49:17,139 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:17,139 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:17,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:17,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:49:17,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:17,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 104 states and 117 transitions. [2021-11-23 00:49:17,218 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 117 transitions. [2021-11-23 00:49:17,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 00:49:17,219 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:17,220 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:17,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:17,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:49:17,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:17,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 103 states and 116 transitions. [2021-11-23 00:49:17,285 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 116 transitions. [2021-11-23 00:49:17,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 00:49:17,285 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:17,286 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:17,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:17,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:49:17,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:17,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 102 states and 114 transitions. [2021-11-23 00:49:17,417 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 114 transitions. [2021-11-23 00:49:17,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 00:49:17,418 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:17,418 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:17,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:17,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:49:17,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:17,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 105 states and 119 transitions. [2021-11-23 00:49:17,790 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 119 transitions. [2021-11-23 00:49:17,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 00:49:17,792 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:17,793 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:17,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:17,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:49:17,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:17,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 104 states and 118 transitions. [2021-11-23 00:49:17,869 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 118 transitions. [2021-11-23 00:49:17,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 00:49:17,870 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:17,870 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:17,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:17,950 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:49:18,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:18,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 103 states and 117 transitions. [2021-11-23 00:49:18,104 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 117 transitions. [2021-11-23 00:49:18,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 00:49:18,105 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:18,105 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:18,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:18,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:49:18,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:18,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 102 states and 116 transitions. [2021-11-23 00:49:18,186 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 116 transitions. [2021-11-23 00:49:18,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 00:49:18,187 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:18,188 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:18,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:18,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:49:18,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:18,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 101 states and 115 transitions. [2021-11-23 00:49:18,269 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 115 transitions. [2021-11-23 00:49:18,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 00:49:18,272 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:18,272 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:18,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:18,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:49:18,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:18,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 106 states and 124 transitions. [2021-11-23 00:49:18,464 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 124 transitions. [2021-11-23 00:49:18,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 00:49:18,465 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:18,466 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:18,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:18,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:49:18,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:18,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 111 states and 134 transitions. [2021-11-23 00:49:18,715 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 134 transitions. [2021-11-23 00:49:18,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 00:49:18,715 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:18,716 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:18,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:18,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:49:19,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:19,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 113 states and 138 transitions. [2021-11-23 00:49:19,369 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 138 transitions. [2021-11-23 00:49:19,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 00:49:19,369 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:19,370 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:19,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:19,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:49:20,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:20,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 115 states and 140 transitions. [2021-11-23 00:49:20,251 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 140 transitions. [2021-11-23 00:49:20,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 00:49:20,251 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:20,252 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:20,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:20,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:49:20,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:20,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 114 states and 139 transitions. [2021-11-23 00:49:20,284 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 139 transitions. [2021-11-23 00:49:20,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 00:49:20,285 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:20,285 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:20,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:20,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:49:20,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:20,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 113 states and 138 transitions. [2021-11-23 00:49:20,657 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 138 transitions. [2021-11-23 00:49:20,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 00:49:20,657 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:20,658 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:20,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:20,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:49:20,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:20,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 114 states and 140 transitions. [2021-11-23 00:49:20,850 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 140 transitions. [2021-11-23 00:49:20,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 00:49:20,851 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:20,851 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:20,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:20,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:49:21,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:21,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 115 states and 141 transitions. [2021-11-23 00:49:21,092 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 141 transitions. [2021-11-23 00:49:21,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 00:49:21,093 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:21,093 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:21,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:21,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:49:21,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:21,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 114 states and 140 transitions. [2021-11-23 00:49:21,127 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 140 transitions. [2021-11-23 00:49:21,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 00:49:21,127 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:21,128 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:21,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:21,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:49:21,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:21,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 113 states and 139 transitions. [2021-11-23 00:49:21,171 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 139 transitions. [2021-11-23 00:49:21,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 00:49:21,171 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:21,172 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:21,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:21,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:49:21,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:21,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 114 states and 141 transitions. [2021-11-23 00:49:21,204 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 141 transitions. [2021-11-23 00:49:21,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 00:49:21,204 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:21,205 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:21,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:21,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:49:21,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:21,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 115 states and 142 transitions. [2021-11-23 00:49:21,240 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 142 transitions. [2021-11-23 00:49:21,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 00:49:21,241 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:21,241 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:21,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:21,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:49:22,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:22,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 119 states and 149 transitions. [2021-11-23 00:49:22,751 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 149 transitions. [2021-11-23 00:49:22,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 00:49:22,752 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:22,752 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:22,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:23,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:49:23,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:23,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 121 states and 153 transitions. [2021-11-23 00:49:23,830 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 153 transitions. [2021-11-23 00:49:23,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:49:23,831 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:23,831 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:23,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:23,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:49:23,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:23,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 120 states and 152 transitions. [2021-11-23 00:49:23,875 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 152 transitions. [2021-11-23 00:49:23,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:49:23,876 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:23,876 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:23,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:24,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:49:24,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:24,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 123 states and 157 transitions. [2021-11-23 00:49:24,504 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 157 transitions. [2021-11-23 00:49:24,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:49:24,504 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:24,505 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:24,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:24,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:49:24,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:24,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 122 states and 155 transitions. [2021-11-23 00:49:24,532 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 155 transitions. [2021-11-23 00:49:24,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:49:24,533 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:24,533 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:24,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:24,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:49:24,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:24,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 119 states and 152 transitions. [2021-11-23 00:49:24,659 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 152 transitions. [2021-11-23 00:49:24,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:49:24,659 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:24,659 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:24,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:24,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:49:24,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:24,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 118 states and 151 transitions. [2021-11-23 00:49:24,699 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 151 transitions. [2021-11-23 00:49:24,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:49:24,700 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:24,700 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:24,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:24,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:49:24,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:24,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 117 states and 150 transitions. [2021-11-23 00:49:24,744 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 150 transitions. [2021-11-23 00:49:24,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:49:24,745 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:24,745 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:24,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:24,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:49:24,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:24,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 116 states and 149 transitions. [2021-11-23 00:49:24,805 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 149 transitions. [2021-11-23 00:49:24,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:49:24,806 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:24,807 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:24,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:25,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:49:25,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:25,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 117 states and 151 transitions. [2021-11-23 00:49:25,594 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 151 transitions. [2021-11-23 00:49:25,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:49:25,594 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:25,594 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:25,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:25,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:49:25,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:25,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 119 states and 156 transitions. [2021-11-23 00:49:25,906 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 156 transitions. [2021-11-23 00:49:25,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:49:25,907 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:25,907 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:25,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:25,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:49:26,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:26,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 121 states and 160 transitions. [2021-11-23 00:49:26,209 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 160 transitions. [2021-11-23 00:49:26,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:49:26,209 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:26,210 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:26,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:26,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:49:26,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:26,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 120 states and 159 transitions. [2021-11-23 00:49:26,248 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 159 transitions. [2021-11-23 00:49:26,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:49:26,248 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:26,249 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:26,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:26,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:49:26,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:26,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 119 states and 158 transitions. [2021-11-23 00:49:26,441 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 158 transitions. [2021-11-23 00:49:26,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:49:26,441 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:26,441 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:26,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:26,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:49:28,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:28,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 125 states and 168 transitions. [2021-11-23 00:49:28,569 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 168 transitions. [2021-11-23 00:49:28,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 00:49:28,570 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:28,570 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:28,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:28,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:49:29,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:29,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 127 states and 171 transitions. [2021-11-23 00:49:29,124 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 171 transitions. [2021-11-23 00:49:29,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 00:49:29,125 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:29,125 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:29,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:29,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:49:29,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:29,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 129 states and 174 transitions. [2021-11-23 00:49:29,742 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 174 transitions. [2021-11-23 00:49:29,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 00:49:29,743 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:29,743 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:29,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:29,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:49:29,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:29,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 128 states and 173 transitions. [2021-11-23 00:49:29,773 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 173 transitions. [2021-11-23 00:49:29,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 00:49:29,774 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:29,774 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:29,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:29,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:49:29,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:29,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 130 states and 177 transitions. [2021-11-23 00:49:29,999 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 177 transitions. [2021-11-23 00:49:29,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 00:49:29,999 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:29,999 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:30,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:30,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:49:30,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:30,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 129 states and 176 transitions. [2021-11-23 00:49:30,032 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 176 transitions. [2021-11-23 00:49:30,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 00:49:30,032 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:30,033 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:30,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:30,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:49:30,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:30,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 130 states and 179 transitions. [2021-11-23 00:49:30,103 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 179 transitions. [2021-11-23 00:49:30,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 00:49:30,104 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:30,104 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:30,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:30,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:49:30,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:30,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 129 states and 178 transitions. [2021-11-23 00:49:30,166 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 178 transitions. [2021-11-23 00:49:30,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 00:49:30,166 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:30,167 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:30,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:30,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:49:30,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:30,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 130 states and 180 transitions. [2021-11-23 00:49:30,403 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 180 transitions. [2021-11-23 00:49:30,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 00:49:30,403 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:30,403 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:30,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:30,707 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:49:31,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:31,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 133 states and 190 transitions. [2021-11-23 00:49:31,421 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 190 transitions. [2021-11-23 00:49:31,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 00:49:31,421 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:31,421 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:31,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:31,801 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:49:33,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:33,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 140 states and 204 transitions. [2021-11-23 00:49:33,556 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 204 transitions. [2021-11-23 00:49:33,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 00:49:33,556 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:33,556 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:33,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:33,861 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:49:35,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:35,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 147 states and 216 transitions. [2021-11-23 00:49:35,767 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 216 transitions. [2021-11-23 00:49:35,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 00:49:35,768 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:35,768 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:35,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:35,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:49:36,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:36,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 150 states and 223 transitions. [2021-11-23 00:49:36,279 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 223 transitions. [2021-11-23 00:49:36,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 00:49:36,279 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:36,280 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:36,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:36,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:49:36,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:36,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 153 states and 229 transitions. [2021-11-23 00:49:36,704 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 229 transitions. [2021-11-23 00:49:36,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 00:49:36,705 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:36,705 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:36,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:37,026 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:49:39,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:39,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 159 states and 238 transitions. [2021-11-23 00:49:39,569 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 238 transitions. [2021-11-23 00:49:39,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 00:49:39,570 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:39,570 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:39,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:39,817 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:49:43,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:43,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 169 states and 259 transitions. [2021-11-23 00:49:43,605 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 259 transitions. [2021-11-23 00:49:43,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 00:49:43,606 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:43,606 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:43,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:44,279 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:49:49,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:49,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 180 states and 283 transitions. [2021-11-23 00:49:49,336 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 283 transitions. [2021-11-23 00:49:49,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 00:49:49,337 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:49,338 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:49,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:49,512 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:49:50,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:50,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 182 states and 286 transitions. [2021-11-23 00:49:50,121 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 286 transitions. [2021-11-23 00:49:50,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 00:49:50,122 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:50,122 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:50,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:50,158 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:49:50,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:50,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 161 states and 238 transitions. [2021-11-23 00:49:50,851 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 238 transitions. [2021-11-23 00:49:50,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 00:49:50,851 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:50,852 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:50,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:50,881 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:49:51,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:51,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 158 states and 235 transitions. [2021-11-23 00:49:51,482 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 235 transitions. [2021-11-23 00:49:51,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 00:49:51,483 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:51,483 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:51,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:51,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:49:52,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:52,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 164 states and 252 transitions. [2021-11-23 00:49:52,613 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 252 transitions. [2021-11-23 00:49:52,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 00:49:52,613 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:52,613 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:52,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:52,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:49:53,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:53,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 170 states and 269 transitions. [2021-11-23 00:49:53,970 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 269 transitions. [2021-11-23 00:49:53,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 00:49:53,970 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:53,971 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:53,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:54,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:49:58,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:58,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 177 states and 286 transitions. [2021-11-23 00:49:58,858 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 286 transitions. [2021-11-23 00:49:58,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 00:49:58,858 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:58,859 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:58,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:59,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:50:04,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:04,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 185 states and 300 transitions. [2021-11-23 00:50:04,257 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 300 transitions. [2021-11-23 00:50:04,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 00:50:04,258 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:04,258 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:04,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:04,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:50:07,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:07,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 190 states and 308 transitions. [2021-11-23 00:50:07,684 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 308 transitions. [2021-11-23 00:50:07,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 00:50:07,685 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:07,685 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:07,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:07,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:50:07,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:07,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 191 states and 309 transitions. [2021-11-23 00:50:07,729 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 309 transitions. [2021-11-23 00:50:07,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 00:50:07,730 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:07,730 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:07,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:07,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:50:08,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:08,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 192 states and 310 transitions. [2021-11-23 00:50:08,408 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 310 transitions. [2021-11-23 00:50:08,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 00:50:08,408 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:08,409 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:08,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:09,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:50:09,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:09,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 194 states and 320 transitions. [2021-11-23 00:50:09,976 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 320 transitions. [2021-11-23 00:50:09,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 00:50:09,977 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:09,977 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:09,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 00:50:09,989 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 00:50:09,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 00:50:10,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 00:50:10,096 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 00:50:10,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 00:50:10,167 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 67 iterations. [2021-11-23 00:50:10,221 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 12:50:10 ImpRootNode [2021-11-23 00:50:10,235 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-23 00:50:10,236 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 00:50:10,236 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 00:50:10,236 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 00:50:10,237 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:49:16" (3/4) ... [2021-11-23 00:50:10,239 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-23 00:50:10,331 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1a4eab5-6af5-4dfd-89fc-98c44696f3cf/bin/ukojak-LBtLqBUTdQ/witness.graphml [2021-11-23 00:50:10,332 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 00:50:10,343 INFO L158 Benchmark]: Toolchain (without parser) took 55527.27ms. Allocated memory was 90.2MB in the beginning and 408.9MB in the end (delta: 318.8MB). Free memory was 69.0MB in the beginning and 172.1MB in the end (delta: -103.0MB). Peak memory consumption was 215.3MB. Max. memory is 16.1GB. [2021-11-23 00:50:10,344 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 90.2MB. Free memory is still 66.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:50:10,345 INFO L158 Benchmark]: CACSL2BoogieTranslator took 577.41ms. Allocated memory is still 90.2MB. Free memory was 68.7MB in the beginning and 58.9MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 00:50:10,346 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.95ms. Allocated memory is still 90.2MB. Free memory was 58.6MB in the beginning and 56.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 00:50:10,346 INFO L158 Benchmark]: Boogie Preprocessor took 43.07ms. Allocated memory is still 90.2MB. Free memory was 56.5MB in the beginning and 54.8MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:50:10,347 INFO L158 Benchmark]: RCFGBuilder took 872.99ms. Allocated memory was 90.2MB in the beginning and 111.1MB in the end (delta: 21.0MB). Free memory was 54.8MB in the beginning and 85.0MB in the end (delta: -30.2MB). Peak memory consumption was 28.6MB. Max. memory is 16.1GB. [2021-11-23 00:50:10,348 INFO L158 Benchmark]: CodeCheck took 53873.32ms. Allocated memory was 111.1MB in the beginning and 408.9MB in the end (delta: 297.8MB). Free memory was 84.9MB in the beginning and 174.2MB in the end (delta: -89.2MB). Peak memory consumption was 209.6MB. Max. memory is 16.1GB. [2021-11-23 00:50:10,349 INFO L158 Benchmark]: Witness Printer took 96.29ms. Allocated memory is still 408.9MB. Free memory was 174.2MB in the beginning and 172.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 00:50:10,354 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 109 locations, 61 error locations. Started 1 CEGAR loops. OverallTime: 53.7s, OverallIterations: 67, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6713 SdHoareTripleChecker+Valid, 45.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5521 mSDsluCounter, 6883 SdHoareTripleChecker+Invalid, 38.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5441 mSDsCounter, 8406 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 23450 IncrementalHoareTripleChecker+Invalid, 31856 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8406 mSolverCounterUnsat, 1442 mSDtfsCounter, 23450 mSolverCounterSat, 0.7s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6567 GetRequests, 5957 SyntacticMatches, 168 SemanticMatches, 442 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92507 ImplicationChecksByTransitivity, 48.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 8.2s InterpolantComputationTime, 836 NumberOfCodeBlocks, 836 NumberOfCodeBlocksAsserted, 67 NumberOfCheckSat, 751 ConstructedInterpolants, 0 QuantifiedInterpolants, 3888 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 66 InterpolantComputations, 61 PerfectInterpolantSequences, 13/21 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 1063]: not all allocated memory was freed not all allocated memory was freed We found a FailurePath: [L1000] SLL* head = malloc(sizeof(SLL)); [L1001] head->next = ((void*)0) VAL [head={-2:0}] [L1002] head->prev = ((void*)0) VAL [head={-2:0}] [L1003] head->data = 0 [L1005] SLL* x = head; VAL [head={-2:0}, x={-2:0}] [L1008] COND FALSE !(__VERIFIER_nondet_int()) [L1019] COND TRUE __VERIFIER_nondet_int() [L1020] x = malloc(sizeof(SLL)) [L1021] x->data = 1 VAL [head={-2:0}, x={-1:0}] [L1022] x->next = head VAL [head={-2:0}, x={-1:0}] [L1023] x->prev = ((void*)0) [L1024] head = x VAL [head={-1:0}, x={-1:0}] [L1050] x = head VAL [head={-1:0}, x={-1:0}] [L1053] EXPR x->data VAL [head={-1:0}, x={-1:0}, x->data=1] [L1053] COND FALSE !(x->data != 1) [L1059] EXPR x->next [L1059] x = x->next [L1060] COND TRUE \read(*x) VAL [head={-1:0}, x={-2:0}] [L1062] EXPR x->data VAL [head={-1:0}, x={-2:0}, x->data=0] [L1062] COND TRUE x->data != 1 [L1063] reach_error() VAL [head={-1:0}, x={-2:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 90.2MB. Free memory is still 66.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 577.41ms. Allocated memory is still 90.2MB. Free memory was 68.7MB in the beginning and 58.9MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.95ms. Allocated memory is still 90.2MB. Free memory was 58.6MB in the beginning and 56.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.07ms. Allocated memory is still 90.2MB. Free memory was 56.5MB in the beginning and 54.8MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 872.99ms. Allocated memory was 90.2MB in the beginning and 111.1MB in the end (delta: 21.0MB). Free memory was 54.8MB in the beginning and 85.0MB in the end (delta: -30.2MB). Peak memory consumption was 28.6MB. Max. memory is 16.1GB. * CodeCheck took 53873.32ms. Allocated memory was 111.1MB in the beginning and 408.9MB in the end (delta: 297.8MB). Free memory was 84.9MB in the beginning and 174.2MB in the end (delta: -89.2MB). Peak memory consumption was 209.6MB. Max. memory is 16.1GB. * Witness Printer took 96.29ms. Allocated memory is still 408.9MB. Free memory was 174.2MB in the beginning and 172.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2021-11-23 00:50:10,425 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1a4eab5-6af5-4dfd-89fc-98c44696f3cf/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-memcleanup)