./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test14_3.i --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_5f58c670-2f42-4a44-aa53-b561e579749b/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f58c670-2f42-4a44-aa53-b561e579749b/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_5f58c670-2f42-4a44-aa53-b561e579749b/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f58c670-2f42-4a44-aa53-b561e579749b/bin/ukojak-Rh5K9KB4LI/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test14_3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f58c670-2f42-4a44-aa53-b561e579749b/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_5f58c670-2f42-4a44-aa53-b561e579749b/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 12d7333ecc5650929161cd50df756e255d5b3c2b6fe8799d2d7337cf38a3a1cb ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-deref) --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 04:13:34,072 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 04:13:34,076 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 04:13:34,132 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 04:13:34,133 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 04:13:34,135 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 04:13:34,137 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 04:13:34,141 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 04:13:34,144 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 04:13:34,145 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 04:13:34,147 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 04:13:34,149 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 04:13:34,150 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 04:13:34,152 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 04:13:34,154 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 04:13:34,156 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 04:13:34,157 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 04:13:34,159 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 04:13:34,162 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 04:13:34,166 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 04:13:34,168 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 04:13:34,171 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 04:13:34,173 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 04:13:34,174 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 04:13:34,180 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 04:13:34,181 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 04:13:34,181 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 04:13:34,183 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 04:13:34,183 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 04:13:34,185 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 04:13:34,186 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 04:13:34,187 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 04:13:34,188 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 04:13:34,190 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 04:13:34,191 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 04:13:34,192 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 04:13:34,193 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 04:13:34,194 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 04:13:34,195 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 04:13:34,196 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 04:13:34,198 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 04:13:34,199 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f58c670-2f42-4a44-aa53-b561e579749b/bin/ukojak-Rh5K9KB4LI/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-10-29 04:13:34,226 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 04:13:34,226 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 04:13:34,228 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 04:13:34,228 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 04:13:34,229 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 04:13:34,229 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 04:13:34,229 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-29 04:13:34,230 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 04:13:34,230 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 04:13:34,230 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 04:13:34,230 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-29 04:13:34,231 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-29 04:13:34,231 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-29 04:13:34,231 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 04:13:34,231 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 04:13:34,232 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 04:13:34,232 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 04:13:34,232 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 04:13:34,233 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 04:13:34,233 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 04:13:34,233 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 04:13:34,234 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 04:13:34,234 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 04:13:34,234 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 04:13:34,234 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_5f58c670-2f42-4a44-aa53-b561e579749b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f58c670-2f42-4a44-aa53-b561e579749b/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 12d7333ecc5650929161cd50df756e255d5b3c2b6fe8799d2d7337cf38a3a1cb [2021-10-29 04:13:34,560 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 04:13:34,594 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 04:13:34,597 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 04:13:34,599 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 04:13:34,601 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 04:13:34,602 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f58c670-2f42-4a44-aa53-b561e579749b/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/ldv-memsafety/memleaks_test14_3.i [2021-10-29 04:13:34,700 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f58c670-2f42-4a44-aa53-b561e579749b/bin/ukojak-Rh5K9KB4LI/data/a62bb41d0/50eb93d0f75d4d42b2bfcf235cf9dfaf/FLAG1f725edae [2021-10-29 04:13:35,312 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 04:13:35,313 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f58c670-2f42-4a44-aa53-b561e579749b/sv-benchmarks/c/ldv-memsafety/memleaks_test14_3.i [2021-10-29 04:13:35,331 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f58c670-2f42-4a44-aa53-b561e579749b/bin/ukojak-Rh5K9KB4LI/data/a62bb41d0/50eb93d0f75d4d42b2bfcf235cf9dfaf/FLAG1f725edae [2021-10-29 04:13:35,577 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f58c670-2f42-4a44-aa53-b561e579749b/bin/ukojak-Rh5K9KB4LI/data/a62bb41d0/50eb93d0f75d4d42b2bfcf235cf9dfaf [2021-10-29 04:13:35,580 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 04:13:35,581 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 04:13:35,587 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 04:13:35,587 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 04:13:35,591 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 04:13:35,592 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:13:35" (1/1) ... [2021-10-29 04:13:35,593 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d23ff7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:13:35, skipping insertion in model container [2021-10-29 04:13:35,594 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:13:35" (1/1) ... [2021-10-29 04:13:35,601 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 04:13:35,662 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 04:13:36,130 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:13:36,155 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 04:13:36,260 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:13:36,305 INFO L208 MainTranslator]: Completed translation [2021-10-29 04:13:36,305 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:13:36 WrapperNode [2021-10-29 04:13:36,306 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 04:13:36,306 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 04:13:36,307 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 04:13:36,307 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 04:13:36,313 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:13:36" (1/1) ... [2021-10-29 04:13:36,351 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:13:36" (1/1) ... [2021-10-29 04:13:36,387 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 04:13:36,388 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 04:13:36,389 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 04:13:36,389 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 04:13:36,398 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:13:36" (1/1) ... [2021-10-29 04:13:36,398 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:13:36" (1/1) ... [2021-10-29 04:13:36,401 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:13:36" (1/1) ... [2021-10-29 04:13:36,402 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:13:36" (1/1) ... [2021-10-29 04:13:36,412 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:13:36" (1/1) ... [2021-10-29 04:13:36,416 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:13:36" (1/1) ... [2021-10-29 04:13:36,418 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:13:36" (1/1) ... [2021-10-29 04:13:36,422 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 04:13:36,428 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 04:13:36,428 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 04:13:36,429 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 04:13:36,430 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:13:36" (1/1) ... [2021-10-29 04:13:36,442 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 04:13:36,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f58c670-2f42-4a44-aa53-b561e579749b/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 04:13:36,469 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f58c670-2f42-4a44-aa53-b561e579749b/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 04:13:36,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f58c670-2f42-4a44-aa53-b561e579749b/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 04:13:36,517 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-29 04:13:36,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-29 04:13:36,518 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 04:13:36,518 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-29 04:13:36,518 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-29 04:13:36,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-10-29 04:13:36,518 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 04:13:36,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 04:13:37,179 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 04:13:37,179 INFO L299 CfgBuilder]: Removed 21 assume(true) statements. [2021-10-29 04:13:37,202 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:13:37 BoogieIcfgContainer [2021-10-29 04:13:37,203 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 04:13:37,204 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 04:13:37,204 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 04:13:37,218 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 04:13:37,219 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:13:37" (1/1) ... [2021-10-29 04:13:37,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:13:37,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:13:37,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 46 states and 47 transitions. [2021-10-29 04:13:37,291 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 47 transitions. [2021-10-29 04:13:37,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-10-29 04:13:37,294 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:13:37,295 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:13:37,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:13:37,593 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 04:13:37,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:13:37,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 45 states and 46 transitions. [2021-10-29 04:13:37,660 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 46 transitions. [2021-10-29 04:13:37,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-10-29 04:13:37,661 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:13:37,662 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:13:37,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:13:37,829 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 04:13:38,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:13:38,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 44 states and 45 transitions. [2021-10-29 04:13:38,121 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 45 transitions. [2021-10-29 04:13:38,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-29 04:13:38,122 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:13:38,122 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:13:38,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:13:38,240 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 04:13:38,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:13:38,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 46 states and 48 transitions. [2021-10-29 04:13:38,497 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 48 transitions. [2021-10-29 04:13:38,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-29 04:13:38,497 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:13:38,497 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:13:38,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:13:38,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:13:39,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:13:39,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 48 states and 51 transitions. [2021-10-29 04:13:39,434 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 51 transitions. [2021-10-29 04:13:39,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-29 04:13:39,434 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:13:39,435 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:13:39,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:13:39,625 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 04:13:40,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:13:40,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 47 states and 50 transitions. [2021-10-29 04:13:40,378 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 50 transitions. [2021-10-29 04:13:40,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-29 04:13:40,378 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:13:40,379 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:13:40,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:13:40,711 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 04:13:41,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:13:41,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 46 states and 49 transitions. [2021-10-29 04:13:41,834 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 49 transitions. [2021-10-29 04:13:41,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-29 04:13:41,834 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:13:41,834 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:13:41,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:13:42,098 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 04:13:43,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:13:43,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 45 states and 48 transitions. [2021-10-29 04:13:43,438 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 48 transitions. [2021-10-29 04:13:43,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-29 04:13:43,439 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:13:43,439 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:13:43,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:13:43,774 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 04:13:45,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:13:45,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 44 states and 47 transitions. [2021-10-29 04:13:45,751 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 47 transitions. [2021-10-29 04:13:45,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-29 04:13:45,751 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:13:45,751 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:13:45,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:13:46,057 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 04:13:47,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:13:47,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 48 states and 54 transitions. [2021-10-29 04:13:47,624 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 54 transitions. [2021-10-29 04:13:47,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-29 04:13:47,625 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:13:47,625 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:13:47,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:13:48,195 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 04:13:50,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:13:50,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 52 states and 64 transitions. [2021-10-29 04:13:50,623 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 64 transitions. [2021-10-29 04:13:50,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-29 04:13:50,623 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:13:50,624 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:13:50,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:13:51,024 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 04:13:53,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:13:53,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 55 states and 69 transitions. [2021-10-29 04:13:53,606 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 69 transitions. [2021-10-29 04:13:53,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-29 04:13:53,608 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:13:53,609 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:13:53,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:13:53,631 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 04:13:53,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:13:53,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 54 states and 68 transitions. [2021-10-29 04:13:53,644 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 68 transitions. [2021-10-29 04:13:53,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-29 04:13:53,645 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:13:53,645 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:13:53,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:13:54,215 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 04:13:55,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:13:55,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 53 states and 67 transitions. [2021-10-29 04:13:55,119 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 67 transitions. [2021-10-29 04:13:55,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-29 04:13:55,120 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:13:55,120 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:13:55,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:13:55,264 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 04:13:56,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:13:56,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 52 states and 66 transitions. [2021-10-29 04:13:56,733 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 66 transitions. [2021-10-29 04:13:56,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-29 04:13:56,733 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:13:56,733 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:13:56,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:13:57,510 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 04:14:00,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:14:00,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 51 states and 65 transitions. [2021-10-29 04:14:00,184 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 65 transitions. [2021-10-29 04:14:00,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-29 04:14:00,185 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:14:00,185 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:14:00,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:14:01,148 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 04:14:07,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:14:07,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 51 states and 64 transitions. [2021-10-29 04:14:07,597 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 64 transitions. [2021-10-29 04:14:07,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-29 04:14:07,598 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:14:07,598 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:14:07,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:14:08,168 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 04:14:11,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:14:11,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 47 states and 60 transitions. [2021-10-29 04:14:11,224 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 60 transitions. [2021-10-29 04:14:11,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-29 04:14:11,224 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:14:11,225 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:14:11,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:14:12,173 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 04:14:18,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:14:18,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 47 states and 61 transitions. [2021-10-29 04:14:18,031 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 61 transitions. [2021-10-29 04:14:18,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-29 04:14:18,031 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:14:18,032 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:14:18,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:14:18,885 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 04:14:20,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:14:20,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 46 states and 59 transitions. [2021-10-29 04:14:20,970 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 59 transitions. [2021-10-29 04:14:20,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-29 04:14:20,971 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:14:20,971 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:14:20,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:14:21,019 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 04:14:22,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:14:22,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 46 states and 57 transitions. [2021-10-29 04:14:22,343 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 57 transitions. [2021-10-29 04:14:22,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-29 04:14:22,344 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:14:22,344 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:14:22,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:14:23,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:14:28,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:14:28,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 48 states and 64 transitions. [2021-10-29 04:14:28,422 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 64 transitions. [2021-10-29 04:14:28,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-29 04:14:28,422 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:14:28,422 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:14:28,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:14:28,499 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 04:14:31,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:14:31,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 49 states and 66 transitions. [2021-10-29 04:14:31,115 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 66 transitions. [2021-10-29 04:14:31,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-29 04:14:31,116 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:14:31,116 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:14:31,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:14:31,158 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 04:14:32,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:14:32,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 49 states and 65 transitions. [2021-10-29 04:14:32,770 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 65 transitions. [2021-10-29 04:14:32,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-29 04:14:32,770 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:14:32,771 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:14:32,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:14:32,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:14:35,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:14:35,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 50 states and 66 transitions. [2021-10-29 04:14:35,400 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 66 transitions. [2021-10-29 04:14:35,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-29 04:14:35,400 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:14:35,401 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:14:35,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:14:35,470 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 04:14:37,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:14:37,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 50 states and 64 transitions. [2021-10-29 04:14:37,363 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 64 transitions. [2021-10-29 04:14:37,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-29 04:14:37,364 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:14:37,364 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:14:37,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:14:37,387 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 04:14:37,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:14:37,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 49 states and 63 transitions. [2021-10-29 04:14:37,399 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 63 transitions. [2021-10-29 04:14:37,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-29 04:14:37,400 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:14:37,400 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:14:37,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:14:38,445 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 04:14:39,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:14:39,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 50 states and 64 transitions. [2021-10-29 04:14:39,357 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 64 transitions. [2021-10-29 04:14:39,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-29 04:14:39,360 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:14:39,360 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:14:39,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:14:41,972 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 04:14:50,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:14:50,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 54 states and 73 transitions. [2021-10-29 04:14:50,471 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 73 transitions. [2021-10-29 04:14:50,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-29 04:14:50,471 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:14:50,472 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:14:50,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:14:53,725 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 04:15:05,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:15:05,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 56 states and 77 transitions. [2021-10-29 04:15:05,275 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 77 transitions. [2021-10-29 04:15:05,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-29 04:15:05,275 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:15:05,275 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:15:05,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:15:05,624 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 04:15:09,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:15:09,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 57 states and 78 transitions. [2021-10-29 04:15:09,053 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 78 transitions. [2021-10-29 04:15:09,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-29 04:15:09,053 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:15:09,053 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:15:09,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:15:09,457 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 04:15:12,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:15:12,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 57 states and 77 transitions. [2021-10-29 04:15:12,003 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 77 transitions. [2021-10-29 04:15:12,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-29 04:15:12,003 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:15:12,003 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:15:12,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:15:12,530 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 04:15:16,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:15:16,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 58 states and 78 transitions. [2021-10-29 04:15:16,127 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 78 transitions. [2021-10-29 04:15:16,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-29 04:15:16,128 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:15:16,128 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:15:16,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:15:19,582 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 04:15:35,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:15:35,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 63 states and 89 transitions. [2021-10-29 04:15:35,012 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 89 transitions. [2021-10-29 04:15:35,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-29 04:15:35,012 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:15:35,012 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:15:35,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:15:39,788 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 04:15:57,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:15:57,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 68 states and 101 transitions. [2021-10-29 04:15:57,383 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 101 transitions. [2021-10-29 04:15:57,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-29 04:15:57,383 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:15:57,383 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:15:57,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:15:57,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:16:02,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:16:02,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 69 states and 102 transitions. [2021-10-29 04:16:02,913 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 102 transitions. [2021-10-29 04:16:02,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-29 04:16:02,913 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:16:02,913 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:16:02,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:16:03,056 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 04:16:08,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:16:08,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 70 states and 103 transitions. [2021-10-29 04:16:08,584 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 103 transitions. [2021-10-29 04:16:08,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-29 04:16:08,584 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:16:08,585 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:16:08,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:16:11,422 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 04:16:20,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:16:20,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 73 states and 109 transitions. [2021-10-29 04:16:20,092 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 109 transitions. [2021-10-29 04:16:20,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-29 04:16:20,092 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:16:20,092 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:16:20,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:16:22,553 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 04:16:49,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:16:49,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 80 states and 122 transitions. [2021-10-29 04:16:49,622 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 122 transitions. [2021-10-29 04:16:49,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-29 04:16:49,622 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:16:49,622 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:16:49,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:16:49,672 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 04:16:56,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:16:56,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 81 states and 123 transitions. [2021-10-29 04:16:56,394 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 123 transitions. [2021-10-29 04:16:56,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-29 04:16:56,394 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:16:56,395 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:16:56,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:16:57,522 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 04:17:09,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:17:09,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 86 states and 132 transitions. [2021-10-29 04:17:09,192 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 132 transitions. [2021-10-29 04:17:09,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-29 04:17:09,193 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:17:09,193 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:17:09,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 04:17:09,228 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 04:17:09,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 04:17:09,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 04:17:09,410 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 04:17:09,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 04:17:09,510 WARN L480 CodeCheckObserver]: This program is UNSAFE, Check terminated with 41 iterations. [2021-10-29 04:17:09,596 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 04:17:09 ImpRootNode [2021-10-29 04:17:09,596 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 04:17:09,597 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 04:17:09,597 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 04:17:09,597 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 04:17:09,598 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:13:37" (3/4) ... [2021-10-29 04:17:09,600 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-29 04:17:09,686 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f58c670-2f42-4a44-aa53-b561e579749b/bin/ukojak-Rh5K9KB4LI/witness.graphml [2021-10-29 04:17:09,687 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 04:17:09,689 INFO L168 Benchmark]: Toolchain (without parser) took 214106.11 ms. Allocated memory was 100.7 MB in the beginning and 1.4 GB in the end (delta: 1.3 GB). Free memory was 59.0 MB in the beginning and 1.2 GB in the end (delta: -1.2 GB). Peak memory consumption was 156.2 MB. Max. memory is 16.1 GB. [2021-10-29 04:17:09,689 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 100.7 MB. Free memory is still 77.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:17:09,690 INFO L168 Benchmark]: CACSL2BoogieTranslator took 719.07 ms. Allocated memory is still 100.7 MB. Free memory was 58.7 MB in the beginning and 63.1 MB in the end (delta: -4.3 MB). Peak memory consumption was 4.5 MB. Max. memory is 16.1 GB. [2021-10-29 04:17:09,691 INFO L168 Benchmark]: Boogie Procedure Inliner took 81.31 ms. Allocated memory is still 100.7 MB. Free memory was 63.1 MB in the beginning and 61.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 04:17:09,691 INFO L168 Benchmark]: Boogie Preprocessor took 39.19 ms. Allocated memory is still 100.7 MB. Free memory was 60.7 MB in the beginning and 59.3 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:17:09,692 INFO L168 Benchmark]: RCFGBuilder took 774.87 ms. Allocated memory was 100.7 MB in the beginning and 130.0 MB in the end (delta: 29.4 MB). Free memory was 59.3 MB in the beginning and 105.4 MB in the end (delta: -46.1 MB). Peak memory consumption was 28.6 MB. Max. memory is 16.1 GB. [2021-10-29 04:17:09,693 INFO L168 Benchmark]: CodeCheck took 212392.54 ms. Allocated memory was 130.0 MB in the beginning and 1.4 GB in the end (delta: 1.3 GB). Free memory was 105.4 MB in the beginning and 1.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 169.2 MB. Max. memory is 16.1 GB. [2021-10-29 04:17:09,694 INFO L168 Benchmark]: Witness Printer took 90.08 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-29 04:17:09,698 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, 46 locations, 26 error locations. Started 1 CEGAR loops. OverallTime: 212.2s, OverallIterations: 41, 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, -1299048898 SDslu, 201129904 SDs, 0 SdLazy, -766602314 SolverSat, -367471320 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 33.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4076 GetRequests, 3105 SyntacticMatches, 143 SemanticMatches, 828 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 290627 ImplicationChecksByTransitivity, 205.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 32.0s InterpolantComputationTime, 409 NumberOfCodeBlocks, 409 NumberOfCodeBlocksAsserted, 41 NumberOfCheckSat, 351 ConstructedInterpolants, 0 QuantifiedInterpolants, 4715 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 40 InterpolantComputations, 40 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 769]: pointer dereference may fail pointer dereference may fail We found a FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L775] struct ldv_list_head list_14 = { &(list_14), &(list_14) }; [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L762] struct A14 *p = (struct A14 *)ldv_malloc(sizeof(struct A14)); [L763] COND TRUE \read(*p) [L559] head->next [L547] next->prev = new VAL [ldv_global_msg_list={2:0}] [L548] new->next = next VAL [ldv_global_msg_list={2:0}] [L549] new->prev = prev VAL [ldv_global_msg_list={2:0}] [L550] prev->next = new [L768] struct A14 *p; VAL [ldv_global_msg_list={2:0}] [L769] EXPR (plist)->next [L769] const typeof( ((typeof(*p) *)0)->list ) *__mptr = ((plist)->next); [L769] p = ({ const typeof( ((typeof(*p) *)0)->list ) *__mptr = ((plist)->next); (typeof(*p) *)( (char *)__mptr - ((size_t) &((typeof(*p) *)0)->list) );}) VAL [ldv_global_msg_list={2:0}] [L769] COND TRUE &p->list != (plist) [L567] entry->prev VAL [ldv_global_msg_list={2:0}] [L567] entry->next [L554] next->prev = prev VAL [ldv_global_msg_list={2:0}] [L555] prev->next = next [L771] free(p) VAL [ldv_global_msg_list={2:0}] [L771] free(p) VAL [ldv_global_msg_list={2:0}] [L771] free(p) [L769] (p)->list.next * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 100.7 MB. Free memory is still 77.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 719.07 ms. Allocated memory is still 100.7 MB. Free memory was 58.7 MB in the beginning and 63.1 MB in the end (delta: -4.3 MB). Peak memory consumption was 4.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 81.31 ms. Allocated memory is still 100.7 MB. Free memory was 63.1 MB in the beginning and 61.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 39.19 ms. Allocated memory is still 100.7 MB. Free memory was 60.7 MB in the beginning and 59.3 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 774.87 ms. Allocated memory was 100.7 MB in the beginning and 130.0 MB in the end (delta: 29.4 MB). Free memory was 59.3 MB in the beginning and 105.4 MB in the end (delta: -46.1 MB). Peak memory consumption was 28.6 MB. Max. memory is 16.1 GB. * CodeCheck took 212392.54 ms. Allocated memory was 130.0 MB in the beginning and 1.4 GB in the end (delta: 1.3 GB). Free memory was 105.4 MB in the beginning and 1.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 169.2 MB. Max. memory is 16.1 GB. * Witness Printer took 90.08 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be incorrect! [2021-10-29 04:17:09,788 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f58c670-2f42-4a44-aa53-b561e579749b/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...