./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/loops/veris.c_NetBSD-libc_loop.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc7981a-b7ce-4471-bd9a-4769086afa9f/bin/ukojak-CydTVMUXoH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc7981a-b7ce-4471-bd9a-4769086afa9f/bin/ukojak-CydTVMUXoH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc7981a-b7ce-4471-bd9a-4769086afa9f/bin/ukojak-CydTVMUXoH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc7981a-b7ce-4471-bd9a-4769086afa9f/bin/ukojak-CydTVMUXoH/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/loops/veris.c_NetBSD-libc_loop.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc7981a-b7ce-4471-bd9a-4769086afa9f/bin/ukojak-CydTVMUXoH/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc7981a-b7ce-4471-bd9a-4769086afa9f/bin/ukojak-CydTVMUXoH --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 b1c73403384a361e15608c077b8e86297621fa69c42f15894e841079f64af74a --- 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-e04fb08 [2022-11-16 08:20:35,496 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 08:20:35,499 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 08:20:35,520 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 08:20:35,521 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 08:20:35,522 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 08:20:35,523 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 08:20:35,525 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 08:20:35,527 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 08:20:35,528 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 08:20:35,529 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 08:20:35,530 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 08:20:35,531 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 08:20:35,532 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 08:20:35,533 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 08:20:35,534 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 08:20:35,535 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 08:20:35,536 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 08:20:35,538 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 08:20:35,540 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 08:20:35,542 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 08:20:35,543 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 08:20:35,545 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 08:20:35,546 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 08:20:35,550 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 08:20:35,550 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 08:20:35,551 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 08:20:35,552 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 08:20:35,552 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 08:20:35,553 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 08:20:35,554 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 08:20:35,554 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 08:20:35,555 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 08:20:35,556 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 08:20:35,557 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 08:20:35,558 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 08:20:35,558 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 08:20:35,559 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 08:20:35,559 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 08:20:35,560 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 08:20:35,561 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 08:20:35,562 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc7981a-b7ce-4471-bd9a-4769086afa9f/bin/ukojak-CydTVMUXoH/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2022-11-16 08:20:35,585 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 08:20:35,585 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 08:20:35,586 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 08:20:35,587 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 08:20:35,587 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 08:20:35,587 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 08:20:35,588 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 08:20:35,588 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 08:20:35,588 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 08:20:35,589 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 08:20:35,589 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-16 08:20:35,589 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-16 08:20:35,589 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-16 08:20:35,590 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 08:20:35,590 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 08:20:35,590 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 08:20:35,591 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-16 08:20:35,591 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-16 08:20:35,591 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 08:20:35,591 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-16 08:20:35,592 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 08:20:35,592 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 08:20:35,592 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-16 08:20:35,593 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 08:20:35,593 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_acc7981a-b7ce-4471-bd9a-4769086afa9f/bin/ukojak-CydTVMUXoH/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc7981a-b7ce-4471-bd9a-4769086afa9f/bin/ukojak-CydTVMUXoH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b1c73403384a361e15608c077b8e86297621fa69c42f15894e841079f64af74a [2022-11-16 08:20:35,855 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 08:20:35,886 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 08:20:35,889 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 08:20:35,890 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 08:20:35,891 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 08:20:35,892 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc7981a-b7ce-4471-bd9a-4769086afa9f/bin/ukojak-CydTVMUXoH/../../sv-benchmarks/c/loops/veris.c_NetBSD-libc_loop.i [2022-11-16 08:20:35,975 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc7981a-b7ce-4471-bd9a-4769086afa9f/bin/ukojak-CydTVMUXoH/data/913ca0c5d/93b7d6479d4d4ac0b4d6ad7aba1444e9/FLAGebf5cc798 [2022-11-16 08:20:36,474 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 08:20:36,475 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc7981a-b7ce-4471-bd9a-4769086afa9f/sv-benchmarks/c/loops/veris.c_NetBSD-libc_loop.i [2022-11-16 08:20:36,481 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc7981a-b7ce-4471-bd9a-4769086afa9f/bin/ukojak-CydTVMUXoH/data/913ca0c5d/93b7d6479d4d4ac0b4d6ad7aba1444e9/FLAGebf5cc798 [2022-11-16 08:20:36,840 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc7981a-b7ce-4471-bd9a-4769086afa9f/bin/ukojak-CydTVMUXoH/data/913ca0c5d/93b7d6479d4d4ac0b4d6ad7aba1444e9 [2022-11-16 08:20:36,842 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 08:20:36,844 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 08:20:36,845 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 08:20:36,846 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 08:20:36,849 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 08:20:36,849 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:20:36" (1/1) ... [2022-11-16 08:20:36,851 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d23ba7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:20:36, skipping insertion in model container [2022-11-16 08:20:36,851 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:20:36" (1/1) ... [2022-11-16 08:20:36,858 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 08:20:36,873 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 08:20:37,084 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc7981a-b7ce-4471-bd9a-4769086afa9f/sv-benchmarks/c/loops/veris.c_NetBSD-libc_loop.i[825,838] [2022-11-16 08:20:37,098 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 08:20:37,107 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 08:20:37,119 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc7981a-b7ce-4471-bd9a-4769086afa9f/sv-benchmarks/c/loops/veris.c_NetBSD-libc_loop.i[825,838] [2022-11-16 08:20:37,125 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 08:20:37,138 INFO L208 MainTranslator]: Completed translation [2022-11-16 08:20:37,138 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:20:37 WrapperNode [2022-11-16 08:20:37,139 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 08:20:37,140 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 08:20:37,140 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 08:20:37,140 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 08:20:37,148 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:20:37" (1/1) ... [2022-11-16 08:20:37,155 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:20:37" (1/1) ... [2022-11-16 08:20:37,176 INFO L138 Inliner]: procedures = 16, calls = 12, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 43 [2022-11-16 08:20:37,176 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 08:20:37,179 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 08:20:37,180 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 08:20:37,180 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 08:20:37,189 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:20:37" (1/1) ... [2022-11-16 08:20:37,189 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:20:37" (1/1) ... [2022-11-16 08:20:37,203 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:20:37" (1/1) ... [2022-11-16 08:20:37,204 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:20:37" (1/1) ... [2022-11-16 08:20:37,208 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:20:37" (1/1) ... [2022-11-16 08:20:37,214 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:20:37" (1/1) ... [2022-11-16 08:20:37,221 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:20:37" (1/1) ... [2022-11-16 08:20:37,223 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:20:37" (1/1) ... [2022-11-16 08:20:37,224 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 08:20:37,227 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 08:20:37,227 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 08:20:37,228 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 08:20:37,229 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:20:37" (1/1) ... [2022-11-16 08:20:37,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-16 08:20:37,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc7981a-b7ce-4471-bd9a-4769086afa9f/bin/ukojak-CydTVMUXoH/z3 [2022-11-16 08:20:37,264 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc7981a-b7ce-4471-bd9a-4769086afa9f/bin/ukojak-CydTVMUXoH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-16 08:20:37,273 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc7981a-b7ce-4471-bd9a-4769086afa9f/bin/ukojak-CydTVMUXoH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-16 08:20:37,307 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 08:20:37,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 08:20:37,309 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 08:20:37,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 08:20:37,309 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 08:20:37,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 08:20:37,310 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 08:20:37,395 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 08:20:37,397 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 08:20:37,589 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 08:20:37,625 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 08:20:37,625 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-16 08:20:37,627 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 08:20:37 BoogieIcfgContainer [2022-11-16 08:20:37,628 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 08:20:37,628 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-16 08:20:37,629 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-16 08:20:37,639 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-16 08:20:37,639 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 08:20:37" (1/1) ... [2022-11-16 08:20:37,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 08:20:37,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:37,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2022-11-16 08:20:37,744 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2022-11-16 08:20:37,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-16 08:20:37,746 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:37,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:37,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:38,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:38,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:38,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 13 states and 15 transitions. [2022-11-16 08:20:38,185 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2022-11-16 08:20:38,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-16 08:20:38,188 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:38,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:38,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:38,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:38,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:38,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2022-11-16 08:20:38,632 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2022-11-16 08:20:38,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-16 08:20:38,632 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:38,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:38,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:38,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:38,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:38,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 18 states and 23 transitions. [2022-11-16 08:20:38,963 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 23 transitions. [2022-11-16 08:20:38,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-16 08:20:38,964 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:38,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:38,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:39,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:39,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:39,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2022-11-16 08:20:39,543 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2022-11-16 08:20:39,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-16 08:20:39,544 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:39,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:39,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:39,678 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:40,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:40,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 26 states and 35 transitions. [2022-11-16 08:20:40,152 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 35 transitions. [2022-11-16 08:20:40,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-16 08:20:40,153 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:40,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:40,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:40,324 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:40,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:40,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 30 states and 40 transitions. [2022-11-16 08:20:40,882 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 40 transitions. [2022-11-16 08:20:40,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-16 08:20:40,883 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:40,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:40,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:40,969 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:41,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:41,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 31 states and 41 transitions. [2022-11-16 08:20:41,182 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 41 transitions. [2022-11-16 08:20:41,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-16 08:20:41,182 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:41,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:41,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:41,457 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:42,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:42,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 35 states and 52 transitions. [2022-11-16 08:20:42,277 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 52 transitions. [2022-11-16 08:20:42,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-16 08:20:42,278 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:42,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:42,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:42,458 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:43,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:43,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 39 states and 66 transitions. [2022-11-16 08:20:43,365 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 66 transitions. [2022-11-16 08:20:43,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-16 08:20:43,368 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:43,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:43,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:43,424 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:43,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:43,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 39 states and 65 transitions. [2022-11-16 08:20:43,612 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 65 transitions. [2022-11-16 08:20:43,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-16 08:20:43,613 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:43,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:43,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:43,633 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:43,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:43,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 39 states and 64 transitions. [2022-11-16 08:20:43,861 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 64 transitions. [2022-11-16 08:20:43,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-16 08:20:43,862 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:43,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:43,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:43,957 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:44,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:44,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 40 states and 64 transitions. [2022-11-16 08:20:44,228 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 64 transitions. [2022-11-16 08:20:44,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-16 08:20:44,229 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:44,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:44,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:44,452 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-16 08:20:46,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:46,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 45 states and 78 transitions. [2022-11-16 08:20:46,146 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 78 transitions. [2022-11-16 08:20:46,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-16 08:20:46,147 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:46,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:46,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:46,194 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-16 08:20:47,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:47,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 49 states and 90 transitions. [2022-11-16 08:20:47,141 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 90 transitions. [2022-11-16 08:20:47,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-16 08:20:47,142 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:47,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:47,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:47,189 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-16 08:20:47,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:47,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 49 states and 89 transitions. [2022-11-16 08:20:47,505 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 89 transitions. [2022-11-16 08:20:47,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-16 08:20:47,506 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:47,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:47,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:47,661 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-16 08:20:49,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:49,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 52 states and 94 transitions. [2022-11-16 08:20:49,519 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 94 transitions. [2022-11-16 08:20:49,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-16 08:20:49,520 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:49,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:49,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:49,666 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-16 08:20:50,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:50,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 52 states and 93 transitions. [2022-11-16 08:20:50,090 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 93 transitions. [2022-11-16 08:20:50,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-16 08:20:50,090 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:50,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:50,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:50,454 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 7 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:52,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:52,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 54 states and 95 transitions. [2022-11-16 08:20:52,203 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 95 transitions. [2022-11-16 08:20:52,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-16 08:20:52,204 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:20:52,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:20:52,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:20:52,247 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 7 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:20:52,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:20:52,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 12 states and 11 transitions. [2022-11-16 08:20:52,660 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 11 transitions. [2022-11-16 08:20:52,660 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-16 08:20:52,661 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 20 iterations. [2022-11-16 08:20:52,669 INFO L754 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2022-11-16 08:20:52,885 INFO L560 CodeCheckObserver]: Invariant with dag size 33 [2022-11-16 08:20:52,905 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2022-11-16 08:20:52,905 INFO L560 CodeCheckObserver]: Invariant with dag size 37 [2022-11-16 08:20:52,923 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 16.11 08:20:52 ImpRootNode [2022-11-16 08:20:52,923 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-16 08:20:52,924 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 08:20:52,925 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 08:20:52,925 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 08:20:52,926 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 08:20:37" (3/4) ... [2022-11-16 08:20:52,929 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-16 08:20:52,938 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2022-11-16 08:20:52,940 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-11-16 08:20:52,940 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-16 08:20:52,940 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-16 08:20:52,974 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\old(unknown-main_\old_#valid#1-unknown) == \valid[pathbuf := 0] && !(p <= pathlim && p == pathlim)) || (((((((unknown-#length-unknown[p] == 8 && pathlim <= p) && \old(unknown-main_\old_#valid#1-unknown) == \valid[pathbuf := 0]) && \valid[p] == 1) && p <= 4) && tmp == p) && 4 <= p) && pathlim <= tmp)) || (((((((unknown-#length-unknown[p] == 8 && 0 <= p) && p + 4 <= pathlim) && \old(unknown-main_\old_#valid#1-unknown) == \valid[pathbuf := 0]) && \valid[p] == 1) && tmp == p) && pathlim <= 4) && pathlim <= tmp) [2022-11-16 08:20:52,975 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((unknown-#length-unknown[p] == 8 && pathlim <= p) && \old(unknown-main_\old_#valid#1-unknown) == \valid[pathbuf := 0]) && \valid[p] == 1) && p <= 4) && tmp == p) && 4 <= p) && pathlim <= tmp) || ((((((((unknown-#length-unknown[p] == 8 && 0 <= p) && p + 4 <= pathlim) && \old(unknown-main_\old_#valid#1-unknown) == \valid[pathbuf := 0]) && \valid[p] == 1) && tmp == p) && p == pathlim) && pathlim <= 4) && pathlim <= tmp) [2022-11-16 08:20:52,976 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(unknown-main_\old_#valid#1-unknown) == \valid [2022-11-16 08:20:52,998 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc7981a-b7ce-4471-bd9a-4769086afa9f/bin/ukojak-CydTVMUXoH/witness.graphml [2022-11-16 08:20:52,998 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 08:20:52,999 INFO L158 Benchmark]: Toolchain (without parser) took 16155.31ms. Allocated memory was 92.3MB in the beginning and 205.5MB in the end (delta: 113.2MB). Free memory was 57.3MB in the beginning and 172.5MB in the end (delta: -115.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 08:20:53,002 INFO L158 Benchmark]: CDTParser took 5.96ms. Allocated memory is still 92.3MB. Free memory is still 73.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 08:20:53,006 INFO L158 Benchmark]: CACSL2BoogieTranslator took 293.77ms. Allocated memory is still 92.3MB. Free memory was 57.2MB in the beginning and 68.1MB in the end (delta: -10.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-16 08:20:53,006 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.52ms. Allocated memory is still 92.3MB. Free memory was 68.1MB in the beginning and 66.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 08:20:53,010 INFO L158 Benchmark]: Boogie Preprocessor took 46.87ms. Allocated memory is still 92.3MB. Free memory was 66.4MB in the beginning and 65.3MB in the end (delta: 1.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-16 08:20:53,010 INFO L158 Benchmark]: RCFGBuilder took 400.86ms. Allocated memory is still 92.3MB. Free memory was 65.0MB in the beginning and 53.1MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-16 08:20:53,011 INFO L158 Benchmark]: CodeCheck took 15295.21ms. Allocated memory was 92.3MB in the beginning and 205.5MB in the end (delta: 113.2MB). Free memory was 53.1MB in the beginning and 175.7MB in the end (delta: -122.6MB). Peak memory consumption was 106.6MB. Max. memory is 16.1GB. [2022-11-16 08:20:53,011 INFO L158 Benchmark]: Witness Printer took 74.55ms. Allocated memory is still 205.5MB. Free memory was 175.7MB in the beginning and 172.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 08:20:53,013 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, 12 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 15.0s, OverallIterations: 20, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1009 SdHoareTripleChecker+Valid, 7.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 880 mSDsluCounter, 505 SdHoareTripleChecker+Invalid, 6.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 434 mSDsCounter, 892 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3427 IncrementalHoareTripleChecker+Invalid, 4319 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 892 mSolverCounterUnsat, 71 mSDtfsCounter, 3427 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1537 GetRequests, 1302 SyntacticMatches, 33 SemanticMatches, 202 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18030 ImplicationChecksByTransitivity, 11.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 168 NumberOfCodeBlocks, 168 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 149 ConstructedInterpolants, 0 QuantifiedInterpolants, 891 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 19 InterpolantComputations, 9 PerfectInterpolantSequences, 52/83 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: 16]: all allocated memory was freed For all program executions holds that all allocated memory was freed 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: 38]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: (((((((unknown-#length-unknown[p] == 8 && pathlim <= p) && \old(unknown-main_\old_#valid#1-unknown) == \valid[pathbuf := 0]) && \valid[p] == 1) && p <= 4) && tmp == p) && 4 <= p) && pathlim <= tmp) || ((((((((unknown-#length-unknown[p] == 8 && 0 <= p) && p + 4 <= pathlim) && \old(unknown-main_\old_#valid#1-unknown) == \valid[pathbuf := 0]) && \valid[p] == 1) && tmp == p) && p == pathlim) && pathlim <= 4) && pathlim <= tmp) - InvariantResult [Line: 38]: Loop Invariant Derived loop invariant: \old(unknown-main_\old_#valid#1-unknown) == \valid - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: ((\old(unknown-main_\old_#valid#1-unknown) == \valid[pathbuf := 0] && !(p <= pathlim && p == pathlim)) || (((((((unknown-#length-unknown[p] == 8 && pathlim <= p) && \old(unknown-main_\old_#valid#1-unknown) == \valid[pathbuf := 0]) && \valid[p] == 1) && p <= 4) && tmp == p) && 4 <= p) && pathlim <= tmp)) || (((((((unknown-#length-unknown[p] == 8 && 0 <= p) && p + 4 <= pathlim) && \old(unknown-main_\old_#valid#1-unknown) == \valid[pathbuf := 0]) && \valid[p] == 1) && tmp == p) && pathlim <= 4) && pathlim <= tmp) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 5.96ms. Allocated memory is still 92.3MB. Free memory is still 73.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 293.77ms. Allocated memory is still 92.3MB. Free memory was 57.2MB in the beginning and 68.1MB in the end (delta: -10.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.52ms. Allocated memory is still 92.3MB. Free memory was 68.1MB in the beginning and 66.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 46.87ms. Allocated memory is still 92.3MB. Free memory was 66.4MB in the beginning and 65.3MB in the end (delta: 1.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 400.86ms. Allocated memory is still 92.3MB. Free memory was 65.0MB in the beginning and 53.1MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 15295.21ms. Allocated memory was 92.3MB in the beginning and 205.5MB in the end (delta: 113.2MB). Free memory was 53.1MB in the beginning and 175.7MB in the end (delta: -122.6MB). Peak memory consumption was 106.6MB. Max. memory is 16.1GB. * Witness Printer took 74.55ms. Allocated memory is still 205.5MB. Free memory was 175.7MB in the beginning and 172.5MB 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! [2022-11-16 08:20:53,051 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acc7981a-b7ce-4471-bd9a-4769086afa9f/bin/ukojak-CydTVMUXoH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE