./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memsetNonZero2.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_985ff6e0-d4a1-4f8c-8b78-936ac2f030ec/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_985ff6e0-d4a1-4f8c-8b78-936ac2f030ec/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_985ff6e0-d4a1-4f8c-8b78-936ac2f030ec/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_985ff6e0-d4a1-4f8c-8b78-936ac2f030ec/bin/ukojak-Rh5K9KB4LI/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memsetNonZero2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_985ff6e0-d4a1-4f8c-8b78-936ac2f030ec/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_985ff6e0-d4a1-4f8c-8b78-936ac2f030ec/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 6c425285de916f5b42953c25151c39a4c727f5e6c15942a1f84cb765e683b1f9 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 04:09:40,177 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 04:09:40,181 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 04:09:40,237 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 04:09:40,237 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 04:09:40,239 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 04:09:40,241 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 04:09:40,249 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 04:09:40,252 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 04:09:40,259 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 04:09:40,261 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 04:09:40,263 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 04:09:40,263 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 04:09:40,266 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 04:09:40,269 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 04:09:40,274 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 04:09:40,276 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 04:09:40,277 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 04:09:40,280 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 04:09:40,290 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 04:09:40,292 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 04:09:40,293 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 04:09:40,297 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 04:09:40,298 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 04:09:40,305 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 04:09:40,306 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 04:09:40,306 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 04:09:40,307 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 04:09:40,308 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 04:09:40,309 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 04:09:40,310 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 04:09:40,311 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 04:09:40,313 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 04:09:40,314 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 04:09:40,315 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 04:09:40,316 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 04:09:40,316 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 04:09:40,317 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 04:09:40,317 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 04:09:40,318 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 04:09:40,318 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 04:09:40,319 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_985ff6e0-d4a1-4f8c-8b78-936ac2f030ec/bin/ukojak-Rh5K9KB4LI/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-10-29 04:09:40,358 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 04:09:40,358 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 04:09:40,359 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 04:09:40,360 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 04:09:40,360 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 04:09:40,360 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 04:09:40,360 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-29 04:09:40,360 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 04:09:40,361 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 04:09:40,361 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 04:09:40,361 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-29 04:09:40,361 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-29 04:09:40,361 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-29 04:09:40,362 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 04:09:40,362 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 04:09:40,366 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 04:09:40,367 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 04:09:40,367 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 04:09:40,367 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 04:09:40,367 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 04:09:40,368 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 04:09:40,368 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 04:09:40,368 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 04:09:40,369 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 04:09:40,369 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_985ff6e0-d4a1-4f8c-8b78-936ac2f030ec/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_985ff6e0-d4a1-4f8c-8b78-936ac2f030ec/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6c425285de916f5b42953c25151c39a4c727f5e6c15942a1f84cb765e683b1f9 [2021-10-29 04:09:40,623 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 04:09:40,661 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 04:09:40,664 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 04:09:40,665 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 04:09:40,670 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 04:09:40,671 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_985ff6e0-d4a1-4f8c-8b78-936ac2f030ec/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/ldv-memsafety/memsetNonZero2.c [2021-10-29 04:09:40,750 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_985ff6e0-d4a1-4f8c-8b78-936ac2f030ec/bin/ukojak-Rh5K9KB4LI/data/c54025bf0/753e0fc814804eb9a79ee7b8a6cab2ba/FLAGce0f6efcc [2021-10-29 04:09:41,194 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 04:09:41,194 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_985ff6e0-d4a1-4f8c-8b78-936ac2f030ec/sv-benchmarks/c/ldv-memsafety/memsetNonZero2.c [2021-10-29 04:09:41,199 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_985ff6e0-d4a1-4f8c-8b78-936ac2f030ec/bin/ukojak-Rh5K9KB4LI/data/c54025bf0/753e0fc814804eb9a79ee7b8a6cab2ba/FLAGce0f6efcc [2021-10-29 04:09:41,607 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_985ff6e0-d4a1-4f8c-8b78-936ac2f030ec/bin/ukojak-Rh5K9KB4LI/data/c54025bf0/753e0fc814804eb9a79ee7b8a6cab2ba [2021-10-29 04:09:41,609 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 04:09:41,611 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 04:09:41,627 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 04:09:41,627 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 04:09:41,630 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 04:09:41,631 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:09:41" (1/1) ... [2021-10-29 04:09:41,632 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3776d9e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:09:41, skipping insertion in model container [2021-10-29 04:09:41,632 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:09:41" (1/1) ... [2021-10-29 04:09:41,642 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 04:09:41,654 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 04:09:41,801 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:09:41,825 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 04:09:41,838 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:09:41,852 INFO L208 MainTranslator]: Completed translation [2021-10-29 04:09:41,852 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:09:41 WrapperNode [2021-10-29 04:09:41,852 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 04:09:41,853 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 04:09:41,854 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 04:09:41,854 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 04:09:41,861 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:09:41" (1/1) ... [2021-10-29 04:09:41,867 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:09:41" (1/1) ... [2021-10-29 04:09:41,883 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 04:09:41,883 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 04:09:41,884 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 04:09:41,884 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 04:09:41,892 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:09:41" (1/1) ... [2021-10-29 04:09:41,892 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:09:41" (1/1) ... [2021-10-29 04:09:41,893 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:09:41" (1/1) ... [2021-10-29 04:09:41,893 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:09:41" (1/1) ... [2021-10-29 04:09:41,896 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:09:41" (1/1) ... [2021-10-29 04:09:41,899 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:09:41" (1/1) ... [2021-10-29 04:09:41,900 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:09:41" (1/1) ... [2021-10-29 04:09:41,901 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 04:09:41,902 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 04:09:41,902 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 04:09:41,902 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 04:09:41,903 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:09:41" (1/1) ... [2021-10-29 04:09:41,909 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 04:09:41,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_985ff6e0-d4a1-4f8c-8b78-936ac2f030ec/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 04:09:41,936 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_985ff6e0-d4a1-4f8c-8b78-936ac2f030ec/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 04:09:41,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_985ff6e0-d4a1-4f8c-8b78-936ac2f030ec/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 04:09:41,990 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 04:09:41,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 04:09:41,990 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 04:09:41,990 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-29 04:09:42,162 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 04:09:42,162 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-10-29 04:09:42,164 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:09:42 BoogieIcfgContainer [2021-10-29 04:09:42,165 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 04:09:42,166 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 04:09:42,166 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 04:09:42,176 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 04:09:42,176 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:09:42" (1/1) ... [2021-10-29 04:09:42,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:09:42,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:09:42,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2021-10-29 04:09:42,224 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2021-10-29 04:09:42,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2021-10-29 04:09:42,227 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:09:42,228 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:09:42,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:09:42,364 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 04:09:42,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:09:42,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2021-10-29 04:09:42,385 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2021-10-29 04:09:42,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-10-29 04:09:42,385 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:09:42,386 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:09:42,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:09:42,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:09:42,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:09:42,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2021-10-29 04:09:42,572 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2021-10-29 04:09:42,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-29 04:09:42,573 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:09:42,573 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:09:42,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:09:42,701 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 04:09:42,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:09:42,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2021-10-29 04:09:42,970 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2021-10-29 04:09:42,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-29 04:09:42,970 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:09:42,971 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:09:42,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:09:43,027 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 04:09:43,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:09:43,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2021-10-29 04:09:43,110 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2021-10-29 04:09:43,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-29 04:09:43,110 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:09:43,110 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:09:43,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:09:43,168 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 04:09:43,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:09:43,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 10 states and 12 transitions. [2021-10-29 04:09:43,244 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 12 transitions. [2021-10-29 04:09:43,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-29 04:09:43,245 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:09:43,245 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:09:43,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:09:43,305 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 04:09:43,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:09:43,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 11 states and 13 transitions. [2021-10-29 04:09:43,382 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2021-10-29 04:09:43,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-29 04:09:43,383 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:09:43,383 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:09:43,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:09:43,464 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 04:09:43,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:09:43,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2021-10-29 04:09:43,554 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2021-10-29 04:09:43,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-29 04:09:43,555 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:09:43,557 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:09:43,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:09:43,659 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 04:09:43,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:09:43,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 13 states and 15 transitions. [2021-10-29 04:09:43,764 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2021-10-29 04:09:43,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-29 04:09:43,765 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:09:43,765 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:09:43,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:09:43,854 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 04:09:43,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:09:43,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2021-10-29 04:09:43,968 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2021-10-29 04:09:43,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-29 04:09:43,969 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:09:43,970 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:09:43,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:09:44,086 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 04:09:44,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:09:44,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2021-10-29 04:09:44,181 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2021-10-29 04:09:44,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-29 04:09:44,181 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:09:44,181 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:09:44,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:09:44,255 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 04:09:44,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:09:44,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2021-10-29 04:09:44,356 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2021-10-29 04:09:44,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-29 04:09:44,357 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:09:44,357 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:09:44,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:09:44,441 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 04:09:44,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:09:44,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 17 states and 19 transitions. [2021-10-29 04:09:44,564 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2021-10-29 04:09:44,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-29 04:09:44,565 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:09:44,565 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:09:44,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:09:44,659 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 04:09:44,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:09:44,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 18 states and 20 transitions. [2021-10-29 04:09:44,785 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2021-10-29 04:09:44,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-29 04:09:44,786 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:09:44,786 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:09:44,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:09:44,901 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 04:09:45,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:09:45,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 19 states and 21 transitions. [2021-10-29 04:09:45,026 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 21 transitions. [2021-10-29 04:09:45,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-29 04:09:45,027 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:09:45,027 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:09:45,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:09:45,107 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 04:09:45,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:09:45,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 20 states and 22 transitions. [2021-10-29 04:09:45,228 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 22 transitions. [2021-10-29 04:09:45,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-29 04:09:45,228 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:09:45,229 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:09:45,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:09:45,335 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 04:09:45,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:09:45,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 21 states and 23 transitions. [2021-10-29 04:09:45,461 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 23 transitions. [2021-10-29 04:09:45,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-29 04:09:45,461 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:09:45,462 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:09:45,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:09:45,585 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 04:09:45,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:09:45,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 22 states and 24 transitions. [2021-10-29 04:09:45,705 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2021-10-29 04:09:45,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-29 04:09:45,706 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:09:45,706 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:09:45,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:09:45,810 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 04:09:45,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:09:45,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 23 states and 25 transitions. [2021-10-29 04:09:45,935 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 25 transitions. [2021-10-29 04:09:45,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-29 04:09:45,935 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:09:45,936 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:09:45,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:09:46,028 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 04:09:46,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:09:46,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 24 states and 26 transitions. [2021-10-29 04:09:46,161 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 26 transitions. [2021-10-29 04:09:46,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-29 04:09:46,162 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:09:46,162 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:09:46,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:09:46,251 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 04:09:46,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:09:46,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 25 states and 27 transitions. [2021-10-29 04:09:46,408 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 27 transitions. [2021-10-29 04:09:46,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-29 04:09:46,409 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:09:46,409 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:09:46,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:09:46,504 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 04:09:46,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:09:46,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 26 states and 28 transitions. [2021-10-29 04:09:46,653 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 28 transitions. [2021-10-29 04:09:46,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-29 04:09:46,654 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:09:46,654 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:09:46,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:09:46,787 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 04:09:46,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:09:46,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 27 states and 29 transitions. [2021-10-29 04:09:46,925 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 29 transitions. [2021-10-29 04:09:46,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-29 04:09:46,926 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:09:46,926 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:09:46,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:09:47,040 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 04:09:47,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:09:47,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 28 states and 30 transitions. [2021-10-29 04:09:47,203 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 30 transitions. [2021-10-29 04:09:47,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-29 04:09:47,204 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:09:47,204 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:09:47,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:09:47,326 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 04:09:47,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:09:47,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 29 states and 31 transitions. [2021-10-29 04:09:47,474 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 31 transitions. [2021-10-29 04:09:47,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-29 04:09:47,475 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:09:47,475 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:09:47,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:09:47,584 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 04:09:47,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:09:47,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 30 states and 32 transitions. [2021-10-29 04:09:47,735 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 32 transitions. [2021-10-29 04:09:47,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-29 04:09:47,737 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:09:47,738 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:09:47,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:09:47,871 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 04:09:48,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:09:48,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 31 states and 33 transitions. [2021-10-29 04:09:48,046 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 33 transitions. [2021-10-29 04:09:48,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-10-29 04:09:48,046 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:09:48,046 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:09:48,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:09:48,176 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 04:09:48,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:09:48,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 32 states and 34 transitions. [2021-10-29 04:09:48,344 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 34 transitions. [2021-10-29 04:09:48,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-10-29 04:09:48,344 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:09:48,345 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:09:48,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:09:48,472 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 04:09:48,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:09:48,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 33 states and 35 transitions. [2021-10-29 04:09:48,649 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 35 transitions. [2021-10-29 04:09:48,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-10-29 04:09:48,649 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:09:48,650 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:09:48,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:09:48,797 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 04:09:48,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:09:48,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 34 states and 36 transitions. [2021-10-29 04:09:48,986 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 36 transitions. [2021-10-29 04:09:48,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-29 04:09:48,987 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:09:48,987 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:09:48,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:09:49,110 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 04:09:49,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:09:49,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 35 states and 37 transitions. [2021-10-29 04:09:49,295 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 37 transitions. [2021-10-29 04:09:49,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-29 04:09:49,296 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:09:49,296 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:09:49,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:09:49,421 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 04:09:49,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:09:49,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 36 states and 38 transitions. [2021-10-29 04:09:49,615 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 38 transitions. [2021-10-29 04:09:49,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-29 04:09:49,615 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:09:49,616 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:09:49,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:09:49,762 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 04:09:49,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:09:49,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 37 states and 39 transitions. [2021-10-29 04:09:49,953 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 39 transitions. [2021-10-29 04:09:49,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-10-29 04:09:49,953 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:09:49,953 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:09:49,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:09:50,095 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 04:09:50,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:09:50,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 38 states and 40 transitions. [2021-10-29 04:09:50,294 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 40 transitions. [2021-10-29 04:09:50,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-10-29 04:09:50,294 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:09:50,295 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:09:50,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:09:50,447 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 04:09:50,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:09:50,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 39 states and 41 transitions. [2021-10-29 04:09:50,632 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 41 transitions. [2021-10-29 04:09:50,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-10-29 04:09:50,632 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:09:50,633 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:09:50,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:09:50,793 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 04:09:51,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:09:51,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 40 states and 42 transitions. [2021-10-29 04:09:51,003 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 42 transitions. [2021-10-29 04:09:51,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-10-29 04:09:51,003 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:09:51,003 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:09:51,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:09:51,149 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 04:09:51,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:09:51,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 41 states and 43 transitions. [2021-10-29 04:09:51,352 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 43 transitions. [2021-10-29 04:09:51,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-10-29 04:09:51,353 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:09:51,353 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:09:51,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:09:51,500 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 04:09:51,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:09:51,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 42 states and 44 transitions. [2021-10-29 04:09:51,728 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 44 transitions. [2021-10-29 04:09:51,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-10-29 04:09:51,729 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:09:51,729 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:09:51,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:09:51,883 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 04:09:52,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:09:52,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 43 states and 45 transitions. [2021-10-29 04:09:52,087 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 45 transitions. [2021-10-29 04:09:52,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-10-29 04:09:52,088 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:09:52,088 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:09:52,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:09:52,243 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 04:09:52,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:09:52,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 44 states and 46 transitions. [2021-10-29 04:09:52,461 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 46 transitions. [2021-10-29 04:09:52,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-10-29 04:09:52,461 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:09:52,463 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:09:52,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:09:52,636 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 04:09:52,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:09:52,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 45 states and 47 transitions. [2021-10-29 04:09:52,835 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 47 transitions. [2021-10-29 04:09:52,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-10-29 04:09:52,836 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:09:52,836 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:09:52,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:09:52,995 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 04:09:53,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:09:53,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 46 states and 48 transitions. [2021-10-29 04:09:53,194 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 48 transitions. [2021-10-29 04:09:53,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-10-29 04:09:53,194 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:09:53,195 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:09:53,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:09:53,359 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 04:09:53,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:09:53,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 47 states and 48 transitions. [2021-10-29 04:09:53,604 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 48 transitions. [2021-10-29 04:09:53,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-10-29 04:09:53,605 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:09:53,605 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:09:53,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:09:53,850 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 04:10:04,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:10:04,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 46 states and 47 transitions. [2021-10-29 04:10:04,583 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 47 transitions. [2021-10-29 04:10:04,583 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 04:10:04,583 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 44 iterations. [2021-10-29 04:10:04,589 INFO L759 CodeCheckObserver]: All specifications hold 3 specifications checked. All of them hold [2021-10-29 04:10:04,710 INFO L565 CodeCheckObserver]: Invariant with dag size 6 [2021-10-29 04:10:04,723 INFO L565 CodeCheckObserver]: Invariant with dag size 3 [2021-10-29 04:10:04,724 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 04:10:04 ImpRootNode [2021-10-29 04:10:04,725 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 04:10:04,725 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 04:10:04,725 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 04:10:04,725 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 04:10:04,726 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:09:42" (3/4) ... [2021-10-29 04:10:04,730 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 04:10:04,741 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2021-10-29 04:10:04,741 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2021-10-29 04:10:04,742 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-10-29 04:10:04,776 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \valid[cstats := 0] == \old(unknown-main_\old_#valid-unknown) [2021-10-29 04:10:04,777 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(unknown-main_\old_#valid-unknown) == \valid [2021-10-29 04:10:04,786 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_985ff6e0-d4a1-4f8c-8b78-936ac2f030ec/bin/ukojak-Rh5K9KB4LI/witness.graphml [2021-10-29 04:10:04,786 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 04:10:04,788 INFO L168 Benchmark]: Toolchain (without parser) took 23175.74 ms. Allocated memory was 94.4 MB in the beginning and 197.1 MB in the end (delta: 102.8 MB). Free memory was 63.9 MB in the beginning and 137.9 MB in the end (delta: -74.0 MB). Peak memory consumption was 27.6 MB. Max. memory is 16.1 GB. [2021-10-29 04:10:04,788 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 94.4 MB. Free memory was 49.4 MB in the beginning and 49.4 MB in the end (delta: 43.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:10:04,789 INFO L168 Benchmark]: CACSL2BoogieTranslator took 225.99 ms. Allocated memory is still 94.4 MB. Free memory was 63.7 MB in the beginning and 71.8 MB in the end (delta: -8.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 04:10:04,789 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.30 ms. Allocated memory is still 94.4 MB. Free memory was 71.8 MB in the beginning and 70.5 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:10:04,790 INFO L168 Benchmark]: Boogie Preprocessor took 17.68 ms. Allocated memory is still 94.4 MB. Free memory was 70.5 MB in the beginning and 69.4 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 04:10:04,790 INFO L168 Benchmark]: RCFGBuilder took 263.00 ms. Allocated memory is still 94.4 MB. Free memory was 69.4 MB in the beginning and 60.0 MB in the end (delta: 9.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 04:10:04,791 INFO L168 Benchmark]: CodeCheck took 22559.17 ms. Allocated memory was 94.4 MB in the beginning and 197.1 MB in the end (delta: 102.8 MB). Free memory was 60.0 MB in the beginning and 141.0 MB in the end (delta: -81.0 MB). Peak memory consumption was 24.4 MB. Max. memory is 16.1 GB. [2021-10-29 04:10:04,791 INFO L168 Benchmark]: Witness Printer took 61.17 ms. Allocated memory is still 197.1 MB. Free memory was 140.0 MB in the beginning and 137.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 04:10:04,794 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: 22.3s, 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, 9.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 10846 GetRequests, 9636 SyntacticMatches, 858 SemanticMatches, 352 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51854 ImplicationChecksByTransitivity, 17.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 4.4s 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 0.27 ms. Allocated memory is still 94.4 MB. Free memory was 49.4 MB in the beginning and 49.4 MB in the end (delta: 43.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 225.99 ms. Allocated memory is still 94.4 MB. Free memory was 63.7 MB in the beginning and 71.8 MB in the end (delta: -8.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 29.30 ms. Allocated memory is still 94.4 MB. Free memory was 71.8 MB in the beginning and 70.5 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 17.68 ms. Allocated memory is still 94.4 MB. Free memory was 70.5 MB in the beginning and 69.4 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 263.00 ms. Allocated memory is still 94.4 MB. Free memory was 69.4 MB in the beginning and 60.0 MB in the end (delta: 9.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * CodeCheck took 22559.17 ms. Allocated memory was 94.4 MB in the beginning and 197.1 MB in the end (delta: 102.8 MB). Free memory was 60.0 MB in the beginning and 141.0 MB in the end (delta: -81.0 MB). Peak memory consumption was 24.4 MB. Max. memory is 16.1 GB. * Witness Printer took 61.17 ms. Allocated memory is still 197.1 MB. Free memory was 140.0 MB in the beginning and 137.9 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 04:10:04,843 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_985ff6e0-d4a1-4f8c-8b78-936ac2f030ec/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...