./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-ext3-properties/sll_shallow_copy-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce3a4250-2844-4fea-be4b-6565a783e837/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce3a4250-2844-4fea-be4b-6565a783e837/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce3a4250-2844-4fea-be4b-6565a783e837/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce3a4250-2844-4fea-be4b-6565a783e837/bin/ukojak-92XMlrwhuB/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-ext3-properties/sll_shallow_copy-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce3a4250-2844-4fea-be4b-6565a783e837/bin/ukojak-92XMlrwhuB/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce3a4250-2844-4fea-be4b-6565a783e837/bin/ukojak-92XMlrwhuB --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 b85925b4cd4a90c7937c0d7134475db048f88e78d985bef01499b1b0477a4b80 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 17:07:28,244 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:07:28,247 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:07:28,300 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:07:28,301 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:07:28,305 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:07:28,308 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:07:28,314 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:07:28,317 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:07:28,322 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:07:28,324 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:07:28,326 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:07:28,327 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:07:28,330 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:07:28,332 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:07:28,334 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:07:28,336 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:07:28,337 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:07:28,340 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:07:28,348 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:07:28,350 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:07:28,352 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:07:28,355 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:07:28,356 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:07:28,366 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:07:28,367 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:07:28,368 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:07:28,370 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:07:28,370 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:07:28,372 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:07:28,372 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:07:28,373 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:07:28,377 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:07:28,378 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:07:28,379 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:07:28,380 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:07:28,380 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:07:28,381 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:07:28,381 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:07:28,382 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:07:28,383 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:07:28,384 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce3a4250-2844-4fea-be4b-6565a783e837/bin/ukojak-92XMlrwhuB/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2022-10-17 17:07:28,420 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:07:28,420 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:07:28,423 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 17:07:28,423 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 17:07:28,423 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:07:28,424 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 17:07:28,424 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 17:07:28,424 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:07:28,424 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 17:07:28,424 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:07:28,425 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-17 17:07:28,426 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-17 17:07:28,426 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-17 17:07:28,426 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:07:28,426 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 17:07:28,426 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:07:28,427 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 17:07:28,427 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 17:07:28,427 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:07:28,427 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:07:28,427 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:07:28,428 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:07:28,428 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 17:07:28,428 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:07:28,428 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_ce3a4250-2844-4fea-be4b-6565a783e837/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce3a4250-2844-4fea-be4b-6565a783e837/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b85925b4cd4a90c7937c0d7134475db048f88e78d985bef01499b1b0477a4b80 [2022-10-17 17:07:28,688 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:07:28,732 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:07:28,734 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:07:28,735 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:07:28,736 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:07:28,737 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce3a4250-2844-4fea-be4b-6565a783e837/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/list-ext3-properties/sll_shallow_copy-1.i [2022-10-17 17:07:28,839 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce3a4250-2844-4fea-be4b-6565a783e837/bin/ukojak-92XMlrwhuB/data/183037c4a/de26e74fe2ad481f82f3ae75b2a1ad85/FLAGc6f64ba11 [2022-10-17 17:07:29,367 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:07:29,380 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce3a4250-2844-4fea-be4b-6565a783e837/sv-benchmarks/c/list-ext3-properties/sll_shallow_copy-1.i [2022-10-17 17:07:29,397 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce3a4250-2844-4fea-be4b-6565a783e837/bin/ukojak-92XMlrwhuB/data/183037c4a/de26e74fe2ad481f82f3ae75b2a1ad85/FLAGc6f64ba11 [2022-10-17 17:07:29,676 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce3a4250-2844-4fea-be4b-6565a783e837/bin/ukojak-92XMlrwhuB/data/183037c4a/de26e74fe2ad481f82f3ae75b2a1ad85 [2022-10-17 17:07:29,678 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:07:29,680 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:07:29,687 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:07:29,687 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:07:29,690 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:07:29,691 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:07:29" (1/1) ... [2022-10-17 17:07:29,701 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@485139c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:07:29, skipping insertion in model container [2022-10-17 17:07:29,701 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:07:29" (1/1) ... [2022-10-17 17:07:29,709 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:07:29,769 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:07:30,180 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:07:30,188 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:07:30,242 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:07:30,269 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:07:30,269 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:07:30 WrapperNode [2022-10-17 17:07:30,269 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:07:30,270 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:07:30,270 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:07:30,270 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:07:30,277 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:07:30" (1/1) ... [2022-10-17 17:07:30,290 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:07:30" (1/1) ... [2022-10-17 17:07:30,314 INFO L138 Inliner]: procedures = 114, calls = 12, calls flagged for inlining = 5, calls inlined = 6, statements flattened = 47 [2022-10-17 17:07:30,315 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:07:30,316 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:07:30,317 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:07:30,317 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:07:30,325 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:07:30" (1/1) ... [2022-10-17 17:07:30,326 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:07:30" (1/1) ... [2022-10-17 17:07:30,329 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:07:30" (1/1) ... [2022-10-17 17:07:30,329 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:07:30" (1/1) ... [2022-10-17 17:07:30,337 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:07:30" (1/1) ... [2022-10-17 17:07:30,338 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:07:30" (1/1) ... [2022-10-17 17:07:30,340 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:07:30" (1/1) ... [2022-10-17 17:07:30,341 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:07:30" (1/1) ... [2022-10-17 17:07:30,344 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:07:30,345 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:07:30,345 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:07:30,345 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:07:30,346 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:07:30" (1/1) ... [2022-10-17 17:07:30,358 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:07:30,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce3a4250-2844-4fea-be4b-6565a783e837/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 17:07:30,380 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce3a4250-2844-4fea-be4b-6565a783e837/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 17:07:30,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce3a4250-2844-4fea-be4b-6565a783e837/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 17:07:30,432 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 17:07:30,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 17:07:30,432 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 17:07:30,432 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 17:07:30,433 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:07:30,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:07:30,582 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:07:30,585 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:07:30,823 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:07:30,858 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:07:30,858 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-17 17:07:30,861 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:07:30 BoogieIcfgContainer [2022-10-17 17:07:30,861 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 17:07:30,862 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 17:07:30,862 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 17:07:30,873 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 17:07:30,873 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:07:30" (1/1) ... [2022-10-17 17:07:30,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:07:30,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:30,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 32 states and 33 transitions. [2022-10-17 17:07:30,952 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 33 transitions. [2022-10-17 17:07:30,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 17:07:30,954 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:30,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:31,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:31,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:07:31,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:31,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 31 states and 32 transitions. [2022-10-17 17:07:31,585 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 32 transitions. [2022-10-17 17:07:31,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 17:07:31,586 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:31,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:31,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:31,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:07:32,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:32,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 30 states and 31 transitions. [2022-10-17 17:07:32,093 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 31 transitions. [2022-10-17 17:07:32,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 17:07:32,094 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:32,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:32,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:32,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:07:32,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:32,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 29 states and 30 transitions. [2022-10-17 17:07:32,167 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 30 transitions. [2022-10-17 17:07:32,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 17:07:32,168 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:32,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:32,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:32,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:07:32,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:32,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 28 states and 29 transitions. [2022-10-17 17:07:32,361 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 29 transitions. [2022-10-17 17:07:32,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 17:07:32,362 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:32,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:32,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:32,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:07:32,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:32,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 27 states and 28 transitions. [2022-10-17 17:07:32,463 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 28 transitions. [2022-10-17 17:07:32,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 17:07:32,464 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:32,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:32,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:32,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:07:32,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:32,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 26 states and 27 transitions. [2022-10-17 17:07:32,572 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 27 transitions. [2022-10-17 17:07:32,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 17:07:32,573 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:32,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:32,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:32,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:07:32,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:32,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 25 states and 26 transitions. [2022-10-17 17:07:32,622 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 26 transitions. [2022-10-17 17:07:32,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 17:07:32,622 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:32,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:32,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:32,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:07:32,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:32,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 24 states and 25 transitions. [2022-10-17 17:07:32,724 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 25 transitions. [2022-10-17 17:07:32,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 17:07:32,725 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:32,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:32,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:32,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:07:32,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:32,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 23 states and 24 transitions. [2022-10-17 17:07:32,804 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 24 transitions. [2022-10-17 17:07:32,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 17:07:32,805 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:32,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:32,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:32,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:07:33,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:33,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 22 states and 23 transitions. [2022-10-17 17:07:33,419 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 23 transitions. [2022-10-17 17:07:33,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 17:07:33,420 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:33,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:33,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:33,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:07:33,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:33,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 21 states and 22 transitions. [2022-10-17 17:07:33,721 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2022-10-17 17:07:33,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 17:07:33,723 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:33,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:33,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:33,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:07:35,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:35,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 20 states and 21 transitions. [2022-10-17 17:07:35,395 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2022-10-17 17:07:35,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 17:07:35,396 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:35,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:35,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:35,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:07:37,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:37,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 19 states and 20 transitions. [2022-10-17 17:07:37,816 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2022-10-17 17:07:37,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 17:07:37,816 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:37,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:37,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:38,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:07:41,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:41,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 18 states and 19 transitions. [2022-10-17 17:07:41,946 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2022-10-17 17:07:41,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 17:07:41,947 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:41,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:41,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:43,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:07:48,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:48,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 17 states and 18 transitions. [2022-10-17 17:07:48,444 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2022-10-17 17:07:48,445 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-10-17 17:07:48,445 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 16 iterations. [2022-10-17 17:07:48,453 INFO L754 CodeCheckObserver]: All specifications hold 15 specifications checked. All of them hold [2022-10-17 17:07:48,590 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 17:07:48,595 INFO L560 CodeCheckObserver]: Invariant with dag size 29 [2022-10-17 17:07:48,615 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 17:07:48,615 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2022-10-17 17:07:48,616 INFO L560 CodeCheckObserver]: Invariant with dag size 19 [2022-10-17 17:07:48,619 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 17.10 05:07:48 ImpRootNode [2022-10-17 17:07:48,619 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-10-17 17:07:48,620 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 17:07:48,620 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 17:07:48,625 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 17:07:48,625 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:07:30" (3/4) ... [2022-10-17 17:07:48,628 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-10-17 17:07:48,641 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2022-10-17 17:07:48,642 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-10-17 17:07:48,643 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-10-17 17:07:48,643 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-10-17 17:07:48,674 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((temp + 1 <= unknown-#StackHeapBarrier-unknown && temp == 0) && \valid[temp] == 1) && 4 <= unknown-#length-unknown[temp]) && \valid[temp := 0] == \old(unknown-main_\old_#valid#1-unknown) [2022-10-17 17:07:48,674 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((temp + 1 <= unknown-#StackHeapBarrier-unknown && temp == 0) && !(temp == s)) && \valid[temp] == 1) && \valid[temp := 0][s := 0] == \old(unknown-main_\old_#valid#1-unknown)) && \valid[s] == 1) && 4 <= unknown-#length-unknown[s]) && s + 1 <= unknown-#StackHeapBarrier-unknown) && s == 0 [2022-10-17 17:07:48,675 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(unknown-main_\old_#valid#1-unknown) == \valid [2022-10-17 17:07:48,699 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce3a4250-2844-4fea-be4b-6565a783e837/bin/ukojak-92XMlrwhuB/witness.graphml [2022-10-17 17:07:48,699 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 17:07:48,700 INFO L158 Benchmark]: Toolchain (without parser) took 19020.00ms. Allocated memory was 92.3MB in the beginning and 234.9MB in the end (delta: 142.6MB). Free memory was 51.4MB in the beginning and 130.8MB in the end (delta: -79.4MB). Peak memory consumption was 62.8MB. Max. memory is 16.1GB. [2022-10-17 17:07:48,700 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 92.3MB. Free memory was 68.6MB in the beginning and 68.5MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 17:07:48,701 INFO L158 Benchmark]: CACSL2BoogieTranslator took 582.84ms. Allocated memory is still 92.3MB. Free memory was 51.2MB in the beginning and 61.3MB in the end (delta: -10.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-10-17 17:07:48,701 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.77ms. Allocated memory is still 92.3MB. Free memory was 61.3MB in the beginning and 59.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 17:07:48,702 INFO L158 Benchmark]: Boogie Preprocessor took 27.30ms. Allocated memory is still 92.3MB. Free memory was 59.3MB in the beginning and 58.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 17:07:48,702 INFO L158 Benchmark]: RCFGBuilder took 516.05ms. Allocated memory is still 92.3MB. Free memory was 57.9MB in the beginning and 44.0MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-10-17 17:07:48,703 INFO L158 Benchmark]: CodeCheck took 17757.66ms. Allocated memory was 92.3MB in the beginning and 234.9MB in the end (delta: 142.6MB). Free memory was 43.7MB in the beginning and 134.0MB in the end (delta: -90.3MB). Peak memory consumption was 54.6MB. Max. memory is 16.1GB. [2022-10-17 17:07:48,703 INFO L158 Benchmark]: Witness Printer took 79.37ms. Allocated memory is still 234.9MB. Free memory was 134.0MB in the beginning and 130.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 17:07:48,706 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, 32 locations, 15 error locations. Started 1 CEGAR loops. OverallTime: 17.6s, OverallIterations: 16, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 366 SdHoareTripleChecker+Valid, 3.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 327 mSDsluCounter, 70 SdHoareTripleChecker+Invalid, 2.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 110 mSDsCounter, 447 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1540 IncrementalHoareTripleChecker+Invalid, 1987 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 447 mSolverCounterUnsat, 70 mSDtfsCounter, 1540 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 970 GetRequests, 734 SyntacticMatches, 6 SemanticMatches, 230 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20289 ImplicationChecksByTransitivity, 14.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 3.3s InterpolantComputationTime, 121 NumberOfCodeBlocks, 121 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 106 ConstructedInterpolants, 0 QuantifiedInterpolants, 628 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 15 InterpolantComputations, 15 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 - 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: -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: -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: -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: 573]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 573]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 573]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 574]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 574]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 574]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 568]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 15 specifications checked. All of them hold - InvariantResult [Line: 559]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 563]: Loop Invariant Derived loop invariant: (((((((temp + 1 <= unknown-#StackHeapBarrier-unknown && temp == 0) && !(temp == s)) && \valid[temp] == 1) && \valid[temp := 0][s := 0] == \old(unknown-main_\old_#valid#1-unknown)) && \valid[s] == 1) && 4 <= unknown-#length-unknown[s]) && s + 1 <= unknown-#StackHeapBarrier-unknown) && s == 0 - InvariantResult [Line: 559]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 568]: Loop Invariant Derived loop invariant: \old(unknown-main_\old_#valid#1-unknown) == \valid - InvariantResult [Line: 563]: Loop Invariant Derived loop invariant: (((temp + 1 <= unknown-#StackHeapBarrier-unknown && temp == 0) && \valid[temp] == 1) && 4 <= unknown-#length-unknown[temp]) && \valid[temp := 0] == \old(unknown-main_\old_#valid#1-unknown) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 92.3MB. Free memory was 68.6MB in the beginning and 68.5MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 582.84ms. Allocated memory is still 92.3MB. Free memory was 51.2MB in the beginning and 61.3MB in the end (delta: -10.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.77ms. Allocated memory is still 92.3MB. Free memory was 61.3MB in the beginning and 59.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.30ms. Allocated memory is still 92.3MB. Free memory was 59.3MB in the beginning and 58.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 516.05ms. Allocated memory is still 92.3MB. Free memory was 57.9MB in the beginning and 44.0MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 17757.66ms. Allocated memory was 92.3MB in the beginning and 234.9MB in the end (delta: 142.6MB). Free memory was 43.7MB in the beginning and 134.0MB in the end (delta: -90.3MB). Peak memory consumption was 54.6MB. Max. memory is 16.1GB. * Witness Printer took 79.37ms. Allocated memory is still 234.9MB. Free memory was 134.0MB in the beginning and 130.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-10-17 17:07:48,752 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce3a4250-2844-4fea-be4b-6565a783e837/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE