./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memset2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8e015f-d09f-4d4e-a35a-eca0476a8c35/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8e015f-d09f-4d4e-a35a-eca0476a8c35/bin/ukojak-Rh5K9KB4LI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8e015f-d09f-4d4e-a35a-eca0476a8c35/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8e015f-d09f-4d4e-a35a-eca0476a8c35/bin/ukojak-Rh5K9KB4LI/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memset2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8e015f-d09f-4d4e-a35a-eca0476a8c35/bin/ukojak-Rh5K9KB4LI/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8e015f-d09f-4d4e-a35a-eca0476a8c35/bin/ukojak-Rh5K9KB4LI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash feb75add31ebc5ab880174a59d6376758f323c6b10b547c6921a4d0c74b13daf .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 04:13:32,338 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 04:13:32,341 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 04:13:32,379 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 04:13:32,380 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 04:13:32,382 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 04:13:32,384 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 04:13:32,387 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 04:13:32,389 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 04:13:32,390 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 04:13:32,392 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 04:13:32,394 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 04:13:32,394 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 04:13:32,396 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 04:13:32,398 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 04:13:32,400 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 04:13:32,401 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 04:13:32,403 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 04:13:32,405 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 04:13:32,408 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 04:13:32,411 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 04:13:32,413 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 04:13:32,415 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 04:13:32,416 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 04:13:32,420 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 04:13:32,421 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 04:13:32,422 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 04:13:32,423 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 04:13:32,424 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 04:13:32,426 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 04:13:32,426 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 04:13:32,427 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 04:13:32,429 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 04:13:32,430 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 04:13:32,432 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 04:13:32,432 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 04:13:32,433 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 04:13:32,434 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 04:13:32,434 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 04:13:32,436 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 04:13:32,437 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 04:13:32,438 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8e015f-d09f-4d4e-a35a-eca0476a8c35/bin/ukojak-Rh5K9KB4LI/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-10-29 04:13:32,466 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 04:13:32,466 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 04:13:32,468 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 04:13:32,468 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 04:13:32,469 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 04:13:32,469 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 04:13:32,469 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-29 04:13:32,470 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 04:13:32,470 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 04:13:32,470 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 04:13:32,471 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-29 04:13:32,471 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-29 04:13:32,471 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-29 04:13:32,472 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 04:13:32,472 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 04:13:32,472 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 04:13:32,473 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 04:13:32,473 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 04:13:32,473 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 04:13:32,474 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 04:13:32,474 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 04:13:32,474 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 04:13:32,475 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 04:13:32,475 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 04:13:32,475 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_5c8e015f-d09f-4d4e-a35a-eca0476a8c35/bin/ukojak-Rh5K9KB4LI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8e015f-d09f-4d4e-a35a-eca0476a8c35/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> feb75add31ebc5ab880174a59d6376758f323c6b10b547c6921a4d0c74b13daf [2021-10-29 04:13:32,797 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 04:13:32,828 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 04:13:32,832 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 04:13:32,833 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 04:13:32,835 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 04:13:32,836 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8e015f-d09f-4d4e-a35a-eca0476a8c35/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/ldv-memsafety/memset2.c [2021-10-29 04:13:32,962 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8e015f-d09f-4d4e-a35a-eca0476a8c35/bin/ukojak-Rh5K9KB4LI/data/733a139e7/e2d57ff95bb14e49a572f66f1d5adcdb/FLAGd1f5b2d72 [2021-10-29 04:13:33,516 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 04:13:33,517 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8e015f-d09f-4d4e-a35a-eca0476a8c35/sv-benchmarks/c/ldv-memsafety/memset2.c [2021-10-29 04:13:33,533 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8e015f-d09f-4d4e-a35a-eca0476a8c35/bin/ukojak-Rh5K9KB4LI/data/733a139e7/e2d57ff95bb14e49a572f66f1d5adcdb/FLAGd1f5b2d72 [2021-10-29 04:13:33,878 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8e015f-d09f-4d4e-a35a-eca0476a8c35/bin/ukojak-Rh5K9KB4LI/data/733a139e7/e2d57ff95bb14e49a572f66f1d5adcdb [2021-10-29 04:13:33,884 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 04:13:33,885 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 04:13:33,900 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 04:13:33,900 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 04:13:33,904 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 04:13:33,905 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:13:33" (1/1) ... [2021-10-29 04:13:33,907 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c715d5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:13:33, skipping insertion in model container [2021-10-29 04:13:33,908 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:13:33" (1/1) ... [2021-10-29 04:13:33,918 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 04:13:33,935 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 04:13:34,113 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:13:34,132 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 04:13:34,149 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:13:34,163 INFO L208 MainTranslator]: Completed translation [2021-10-29 04:13:34,163 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:13:34 WrapperNode [2021-10-29 04:13:34,163 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 04:13:34,164 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 04:13:34,164 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 04:13:34,165 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 04:13:34,174 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:13:34" (1/1) ... [2021-10-29 04:13:34,181 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:13:34" (1/1) ... [2021-10-29 04:13:34,206 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 04:13:34,207 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 04:13:34,208 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 04:13:34,208 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 04:13:34,214 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:13:34" (1/1) ... [2021-10-29 04:13:34,215 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:13:34" (1/1) ... [2021-10-29 04:13:34,216 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:13:34" (1/1) ... [2021-10-29 04:13:34,216 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:13:34" (1/1) ... [2021-10-29 04:13:34,219 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:13:34" (1/1) ... [2021-10-29 04:13:34,223 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:13:34" (1/1) ... [2021-10-29 04:13:34,224 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:13:34" (1/1) ... [2021-10-29 04:13:34,226 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 04:13:34,227 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 04:13:34,227 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 04:13:34,227 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 04:13:34,230 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:13:34" (1/1) ... [2021-10-29 04:13:34,240 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 04:13:34,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8e015f-d09f-4d4e-a35a-eca0476a8c35/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 04:13:34,271 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8e015f-d09f-4d4e-a35a-eca0476a8c35/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 04:13:34,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8e015f-d09f-4d4e-a35a-eca0476a8c35/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 04:13:34,322 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 04:13:34,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 04:13:34,323 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 04:13:34,323 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-29 04:13:34,529 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 04:13:34,529 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-10-29 04:13:34,532 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:13:34 BoogieIcfgContainer [2021-10-29 04:13:34,532 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 04:13:34,533 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 04:13:34,534 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 04:13:34,546 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 04:13:34,546 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:13:34" (1/1) ... [2021-10-29 04:13:34,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:13:34,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:13:34,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2021-10-29 04:13:34,597 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2021-10-29 04:13:34,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2021-10-29 04:13:34,600 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:13:34,601 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:13:34,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:13:34,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:13:34,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:13:34,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2021-10-29 04:13:34,922 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2021-10-29 04:13:34,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-10-29 04:13:34,923 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:13:34,923 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:13:34,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:13:34,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:13:35,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:13:35,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2021-10-29 04:13:35,107 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2021-10-29 04:13:35,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-29 04:13:35,108 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:13:35,109 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:13:35,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:13:35,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:13:35,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:13:35,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2021-10-29 04:13:35,485 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2021-10-29 04:13:35,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-29 04:13:35,485 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:13:35,486 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:13:35,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:13:35,613 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:13:35,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:13:35,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2021-10-29 04:13:35,720 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2021-10-29 04:13:35,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-29 04:13:35,720 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:13:35,722 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:13:35,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:13:35,834 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:13:35,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:13:35,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 10 states and 12 transitions. [2021-10-29 04:13:35,932 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 12 transitions. [2021-10-29 04:13:35,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-29 04:13:35,934 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:13:35,935 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:13:35,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:13:36,048 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:13:36,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:13:36,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 11 states and 13 transitions. [2021-10-29 04:13:36,153 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2021-10-29 04:13:36,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-29 04:13:36,154 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:13:36,154 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:13:36,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:13:36,261 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:13:36,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:13:36,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2021-10-29 04:13:36,384 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2021-10-29 04:13:36,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-29 04:13:36,385 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:13:36,385 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:13:36,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:13:36,486 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:13:36,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:13:36,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 13 states and 15 transitions. [2021-10-29 04:13:36,602 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2021-10-29 04:13:36,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-29 04:13:36,603 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:13:36,603 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:13:36,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:13:36,700 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:13:36,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:13:36,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2021-10-29 04:13:36,805 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2021-10-29 04:13:36,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-29 04:13:36,806 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:13:36,806 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:13:36,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:13:36,882 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:13:36,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:13:36,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2021-10-29 04:13:36,990 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2021-10-29 04:13:36,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-29 04:13:36,990 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:13:36,991 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:13:37,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:13:37,070 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:13:37,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:13:37,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2021-10-29 04:13:37,204 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2021-10-29 04:13:37,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-29 04:13:37,205 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:13:37,205 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:13:37,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:13:37,309 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:13:37,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:13:37,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 17 states and 19 transitions. [2021-10-29 04:13:37,440 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2021-10-29 04:13:37,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-29 04:13:37,443 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:13:37,445 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:13:37,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:13:37,561 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:13:37,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:13:37,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 18 states and 20 transitions. [2021-10-29 04:13:37,684 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2021-10-29 04:13:37,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-29 04:13:37,684 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:13:37,685 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:13:37,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:13:37,782 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:13:37,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:13:37,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 19 states and 21 transitions. [2021-10-29 04:13:37,889 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 21 transitions. [2021-10-29 04:13:37,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-29 04:13:37,890 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:13:37,890 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:13:37,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:13:37,964 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:13:38,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:13:38,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 20 states and 22 transitions. [2021-10-29 04:13:38,070 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 22 transitions. [2021-10-29 04:13:38,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-29 04:13:38,070 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:13:38,071 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:13:38,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:13:38,148 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:13:38,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:13:38,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 21 states and 23 transitions. [2021-10-29 04:13:38,254 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 23 transitions. [2021-10-29 04:13:38,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-29 04:13:38,254 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:13:38,255 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:13:38,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:13:38,339 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:13:38,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:13:38,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 22 states and 24 transitions. [2021-10-29 04:13:38,479 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2021-10-29 04:13:38,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-29 04:13:38,480 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:13:38,480 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:13:38,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:13:38,574 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:13:38,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:13:38,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 23 states and 25 transitions. [2021-10-29 04:13:38,717 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 25 transitions. [2021-10-29 04:13:38,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-29 04:13:38,718 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:13:38,718 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:13:38,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:13:38,828 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:13:38,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:13:38,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 24 states and 26 transitions. [2021-10-29 04:13:38,968 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 26 transitions. [2021-10-29 04:13:38,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-29 04:13:38,969 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:13:38,969 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:13:38,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:13:39,076 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:13:39,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:13:39,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 25 states and 27 transitions. [2021-10-29 04:13:39,214 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 27 transitions. [2021-10-29 04:13:39,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-29 04:13:39,215 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:13:39,215 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:13:39,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:13:39,325 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:13:39,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:13:39,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 26 states and 28 transitions. [2021-10-29 04:13:39,470 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 28 transitions. [2021-10-29 04:13:39,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-29 04:13:39,471 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:13:39,471 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:13:39,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:13:39,589 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:13:39,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:13:39,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 27 states and 29 transitions. [2021-10-29 04:13:39,751 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 29 transitions. [2021-10-29 04:13:39,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-29 04:13:39,751 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:13:39,752 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:13:39,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:13:39,902 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:13:40,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:13:40,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 28 states and 30 transitions. [2021-10-29 04:13:40,081 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 30 transitions. [2021-10-29 04:13:40,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-29 04:13:40,081 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:13:40,082 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:13:40,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:13:40,220 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:13:40,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:13:40,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 29 states and 31 transitions. [2021-10-29 04:13:40,396 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 31 transitions. [2021-10-29 04:13:40,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-29 04:13:40,396 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:13:40,397 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:13:40,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:13:40,548 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:13:40,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:13:40,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 30 states and 32 transitions. [2021-10-29 04:13:40,747 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 32 transitions. [2021-10-29 04:13:40,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-29 04:13:40,747 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:13:40,748 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:13:40,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:13:40,915 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:13:41,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:13:41,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 31 states and 33 transitions. [2021-10-29 04:13:41,106 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 33 transitions. [2021-10-29 04:13:41,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-10-29 04:13:41,107 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:13:41,107 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:13:41,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:13:41,258 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:13:41,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:13:41,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 32 states and 34 transitions. [2021-10-29 04:13:41,450 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 34 transitions. [2021-10-29 04:13:41,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-10-29 04:13:41,450 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:13:41,451 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:13:41,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:13:41,600 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:13:41,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:13:41,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 33 states and 35 transitions. [2021-10-29 04:13:41,785 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 35 transitions. [2021-10-29 04:13:41,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-10-29 04:13:41,786 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:13:41,786 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:13:41,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:13:41,953 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:13:42,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:13:42,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 34 states and 36 transitions. [2021-10-29 04:13:42,167 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 36 transitions. [2021-10-29 04:13:42,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-29 04:13:42,168 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:13:42,168 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:13:42,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:13:42,309 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:13:42,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:13:42,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 35 states and 37 transitions. [2021-10-29 04:13:42,511 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 37 transitions. [2021-10-29 04:13:42,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-29 04:13:42,511 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:13:42,512 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:13:42,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:13:42,661 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:13:42,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:13:42,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 36 states and 38 transitions. [2021-10-29 04:13:42,870 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 38 transitions. [2021-10-29 04:13:42,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-29 04:13:42,870 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:13:42,871 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:13:42,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:13:43,041 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:13:43,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:13:43,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 37 states and 39 transitions. [2021-10-29 04:13:43,268 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 39 transitions. [2021-10-29 04:13:43,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-10-29 04:13:43,268 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:13:43,268 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:13:43,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:13:43,462 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:13:43,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:13:43,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 38 states and 40 transitions. [2021-10-29 04:13:43,636 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 40 transitions. [2021-10-29 04:13:43,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-10-29 04:13:43,637 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:13:43,637 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:13:43,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:13:43,788 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 0 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:13:43,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:13:43,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 39 states and 41 transitions. [2021-10-29 04:13:43,983 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 41 transitions. [2021-10-29 04:13:43,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-10-29 04:13:43,983 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:13:43,983 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:13:43,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:13:44,143 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:13:44,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:13:44,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 40 states and 42 transitions. [2021-10-29 04:13:44,379 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 42 transitions. [2021-10-29 04:13:44,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-10-29 04:13:44,380 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:13:44,380 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:13:44,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:13:44,529 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 0 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:13:44,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:13:44,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 41 states and 43 transitions. [2021-10-29 04:13:44,736 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 43 transitions. [2021-10-29 04:13:44,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-10-29 04:13:44,736 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:13:44,737 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:13:44,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:13:44,873 INFO L134 CoverageAnalysis]: Checked inductivity of 595 backedges. 0 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:13:45,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:13:45,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 42 states and 44 transitions. [2021-10-29 04:13:45,102 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 44 transitions. [2021-10-29 04:13:45,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-10-29 04:13:45,103 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:13:45,103 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:13:45,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:13:45,264 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:13:45,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:13:45,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 43 states and 45 transitions. [2021-10-29 04:13:45,468 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 45 transitions. [2021-10-29 04:13:45,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-10-29 04:13:45,468 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:13:45,469 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:13:45,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:13:45,633 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 0 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:13:45,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:13:45,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 44 states and 46 transitions. [2021-10-29 04:13:45,886 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 46 transitions. [2021-10-29 04:13:45,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-10-29 04:13:45,886 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:13:45,886 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:13:45,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:13:46,087 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 0 proven. 703 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:13:46,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:13:46,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 45 states and 47 transitions. [2021-10-29 04:13:46,355 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 47 transitions. [2021-10-29 04:13:46,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-10-29 04:13:46,356 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:13:46,356 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:13:46,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:13:46,549 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:13:46,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:13:46,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 46 states and 48 transitions. [2021-10-29 04:13:46,821 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 48 transitions. [2021-10-29 04:13:46,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-10-29 04:13:46,822 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:13:46,822 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:13:46,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:13:47,057 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 0 proven. 780 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:13:47,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:13:47,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 47 states and 48 transitions. [2021-10-29 04:13:47,345 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 48 transitions. [2021-10-29 04:13:47,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-10-29 04:13:47,346 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:13:47,346 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:13:47,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:13:47,611 INFO L134 CoverageAnalysis]: Checked inductivity of 820 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 820 trivial. 0 not checked. [2021-10-29 04:13:59,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:13:59,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 46 states and 47 transitions. [2021-10-29 04:13:59,122 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 47 transitions. [2021-10-29 04:13:59,123 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 04:13:59,123 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 44 iterations. [2021-10-29 04:13:59,130 INFO L759 CodeCheckObserver]: All specifications hold 3 specifications checked. All of them hold [2021-10-29 04:13:59,266 INFO L565 CodeCheckObserver]: Invariant with dag size 6 [2021-10-29 04:13:59,281 INFO L565 CodeCheckObserver]: Invariant with dag size 3 [2021-10-29 04:13:59,283 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 04:13:59 ImpRootNode [2021-10-29 04:13:59,283 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 04:13:59,284 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 04:13:59,284 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 04:13:59,284 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 04:13:59,285 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:13:34" (3/4) ... [2021-10-29 04:13:59,288 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 04:13:59,303 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2021-10-29 04:13:59,303 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2021-10-29 04:13:59,303 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-10-29 04:13:59,350 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \valid[cstats := 0] == \old(unknown-main_\old_#valid-unknown) [2021-10-29 04:13:59,350 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(unknown-main_\old_#valid-unknown) == \valid [2021-10-29 04:13:59,372 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8e015f-d09f-4d4e-a35a-eca0476a8c35/bin/ukojak-Rh5K9KB4LI/witness.graphml [2021-10-29 04:13:59,373 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 04:13:59,374 INFO L168 Benchmark]: Toolchain (without parser) took 25488.01 ms. Allocated memory was 102.8 MB in the beginning and 182.5 MB in the end (delta: 79.7 MB). Free memory was 69.0 MB in the beginning and 50.8 MB in the end (delta: 18.2 MB). Peak memory consumption was 98.8 MB. Max. memory is 16.1 GB. [2021-10-29 04:13:59,375 INFO L168 Benchmark]: CDTParser took 0.61 ms. Allocated memory is still 75.5 MB. Free memory is still 32.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:13:59,376 INFO L168 Benchmark]: CACSL2BoogieTranslator took 263.68 ms. Allocated memory is still 102.8 MB. Free memory was 68.7 MB in the beginning and 78.4 MB in the end (delta: -9.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 04:13:59,376 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.33 ms. Allocated memory is still 102.8 MB. Free memory was 78.4 MB in the beginning and 77.1 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:13:59,377 INFO L168 Benchmark]: Boogie Preprocessor took 18.71 ms. Allocated memory is still 102.8 MB. Free memory was 77.1 MB in the beginning and 76.0 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 04:13:59,377 INFO L168 Benchmark]: RCFGBuilder took 305.73 ms. Allocated memory is still 102.8 MB. Free memory was 76.0 MB in the beginning and 66.6 MB in the end (delta: 9.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 04:13:59,378 INFO L168 Benchmark]: CodeCheck took 24750.00 ms. Allocated memory was 102.8 MB in the beginning and 182.5 MB in the end (delta: 79.7 MB). Free memory was 66.6 MB in the beginning and 52.9 MB in the end (delta: 13.8 MB). Peak memory consumption was 95.6 MB. Max. memory is 16.1 GB. [2021-10-29 04:13:59,378 INFO L168 Benchmark]: Witness Printer took 88.94 ms. Allocated memory is still 182.5 MB. Free memory was 52.9 MB in the beginning and 50.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 04:13:59,382 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, 9 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 24.5s, OverallIterations: 44, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 SDtfs, 8 SDslu, 0 SDs, 0 SdLazy, 650 SolverSat, 166 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 10846 GetRequests, 9636 SyntacticMatches, 858 SemanticMatches, 352 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51854 ImplicationChecksByTransitivity, 19.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 5.0s InterpolantComputationTime, 1030 NumberOfCodeBlocks, 1030 NumberOfCodeBlocksAsserted, 43 NumberOfCheckSat, 987 ConstructedInterpolants, 0 QuantifiedInterpolants, 4750 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 43 InterpolantComputations, 4 PerfectInterpolantSequences, 820/11480 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 - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 20]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: \valid[cstats := 0] == \old(unknown-main_\old_#valid-unknown) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: \old(unknown-main_\old_#valid-unknown) == \valid * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.61 ms. Allocated memory is still 75.5 MB. Free memory is still 32.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 263.68 ms. Allocated memory is still 102.8 MB. Free memory was 68.7 MB in the beginning and 78.4 MB in the end (delta: -9.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 42.33 ms. Allocated memory is still 102.8 MB. Free memory was 78.4 MB in the beginning and 77.1 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 18.71 ms. Allocated memory is still 102.8 MB. Free memory was 77.1 MB in the beginning and 76.0 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 305.73 ms. Allocated memory is still 102.8 MB. Free memory was 76.0 MB in the beginning and 66.6 MB in the end (delta: 9.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * CodeCheck took 24750.00 ms. Allocated memory was 102.8 MB in the beginning and 182.5 MB in the end (delta: 79.7 MB). Free memory was 66.6 MB in the beginning and 52.9 MB in the end (delta: 13.8 MB). Peak memory consumption was 95.6 MB. Max. memory is 16.1 GB. * Witness Printer took 88.94 ms. Allocated memory is still 182.5 MB. Free memory was 52.9 MB in the beginning and 50.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! [2021-10-29 04:13:59,428 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8e015f-d09f-4d4e-a35a-eca0476a8c35/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...