./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/termination-memory-alloca/openbsd_cmemrchr-alloca-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 2329fc70 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_e795aa7b-be60-4620-afa3-8427ad6360fb/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e795aa7b-be60-4620-afa3-8427ad6360fb/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e795aa7b-be60-4620-afa3-8427ad6360fb/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e795aa7b-be60-4620-afa3-8427ad6360fb/bin/ukojak-rkRKPMF4O4/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/termination-memory-alloca/openbsd_cmemrchr-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e795aa7b-be60-4620-afa3-8427ad6360fb/bin/ukojak-rkRKPMF4O4/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e795aa7b-be60-4620-afa3-8427ad6360fb/bin/ukojak-rkRKPMF4O4 --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 64bit --witnessprinter.graph.data.programhash 53eb964f347d54908ecbd10f35e9b63fbb661e4a7ab55b977edead5834613d23 --- 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-2329fc7 [2022-12-14 20:51:06,481 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 20:51:06,483 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 20:51:06,502 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 20:51:06,502 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 20:51:06,503 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 20:51:06,504 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 20:51:06,506 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 20:51:06,507 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 20:51:06,508 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 20:51:06,509 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 20:51:06,510 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 20:51:06,510 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 20:51:06,511 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 20:51:06,512 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 20:51:06,514 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 20:51:06,514 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 20:51:06,515 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 20:51:06,517 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 20:51:06,519 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 20:51:06,520 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 20:51:06,521 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 20:51:06,523 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 20:51:06,524 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 20:51:06,527 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 20:51:06,527 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 20:51:06,528 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 20:51:06,529 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 20:51:06,529 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 20:51:06,530 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 20:51:06,530 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 20:51:06,531 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 20:51:06,532 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 20:51:06,533 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 20:51:06,534 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 20:51:06,534 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 20:51:06,535 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 20:51:06,535 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 20:51:06,535 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 20:51:06,536 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 20:51:06,536 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 20:51:06,537 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e795aa7b-be60-4620-afa3-8427ad6360fb/bin/ukojak-rkRKPMF4O4/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf [2022-12-14 20:51:06,556 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 20:51:06,556 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 20:51:06,558 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 20:51:06,558 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 20:51:06,562 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 20:51:06,562 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 20:51:06,562 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 20:51:06,563 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 20:51:06,563 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-14 20:51:06,563 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-14 20:51:06,563 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-12-14 20:51:06,563 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 20:51:06,564 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 20:51:06,564 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 20:51:06,564 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 20:51:06,564 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 20:51:06,564 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 20:51:06,564 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 20:51:06,565 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 20:51:06,565 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 20:51:06,565 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 20:51:06,565 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_e795aa7b-be60-4620-afa3-8427ad6360fb/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e795aa7b-be60-4620-afa3-8427ad6360fb/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 53eb964f347d54908ecbd10f35e9b63fbb661e4a7ab55b977edead5834613d23 [2022-12-14 20:51:06,751 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 20:51:06,768 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 20:51:06,770 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 20:51:06,771 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 20:51:06,771 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 20:51:06,772 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e795aa7b-be60-4620-afa3-8427ad6360fb/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/termination-memory-alloca/openbsd_cmemrchr-alloca-1.i [2022-12-14 20:51:09,387 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 20:51:09,592 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 20:51:09,592 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e795aa7b-be60-4620-afa3-8427ad6360fb/sv-benchmarks/c/termination-memory-alloca/openbsd_cmemrchr-alloca-1.i [2022-12-14 20:51:09,603 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e795aa7b-be60-4620-afa3-8427ad6360fb/bin/ukojak-rkRKPMF4O4/data/7d945e6f3/8ccaa9153ca343deb755622bd39490ae/FLAGa7259f77c [2022-12-14 20:51:09,958 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e795aa7b-be60-4620-afa3-8427ad6360fb/bin/ukojak-rkRKPMF4O4/data/7d945e6f3/8ccaa9153ca343deb755622bd39490ae [2022-12-14 20:51:09,961 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 20:51:09,963 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 20:51:09,965 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 20:51:09,965 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 20:51:09,971 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 20:51:09,972 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:51:09" (1/1) ... [2022-12-14 20:51:09,974 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26850e91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:51:09, skipping insertion in model container [2022-12-14 20:51:09,974 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:51:09" (1/1) ... [2022-12-14 20:51:09,986 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 20:51:10,013 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 20:51:10,207 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 20:51:10,219 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 20:51:10,246 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 20:51:10,268 INFO L208 MainTranslator]: Completed translation [2022-12-14 20:51:10,269 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:51:10 WrapperNode [2022-12-14 20:51:10,269 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 20:51:10,270 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 20:51:10,270 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 20:51:10,270 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 20:51:10,277 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:51:10" (1/1) ... [2022-12-14 20:51:10,287 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:51:10" (1/1) ... [2022-12-14 20:51:10,304 INFO L138 Inliner]: procedures = 111, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 55 [2022-12-14 20:51:10,304 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 20:51:10,305 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 20:51:10,305 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 20:51:10,305 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 20:51:10,311 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:51:10" (1/1) ... [2022-12-14 20:51:10,311 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:51:10" (1/1) ... [2022-12-14 20:51:10,313 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:51:10" (1/1) ... [2022-12-14 20:51:10,314 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:51:10" (1/1) ... [2022-12-14 20:51:10,317 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:51:10" (1/1) ... [2022-12-14 20:51:10,320 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:51:10" (1/1) ... [2022-12-14 20:51:10,320 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:51:10" (1/1) ... [2022-12-14 20:51:10,321 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:51:10" (1/1) ... [2022-12-14 20:51:10,323 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 20:51:10,324 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 20:51:10,324 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 20:51:10,324 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 20:51:10,325 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:51:10" (1/1) ... [2022-12-14 20:51:10,329 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 20:51:10,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e795aa7b-be60-4620-afa3-8427ad6360fb/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 20:51:10,345 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e795aa7b-be60-4620-afa3-8427ad6360fb/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 20:51:10,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e795aa7b-be60-4620-afa3-8427ad6360fb/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 20:51:10,379 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 20:51:10,379 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 20:51:10,379 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 20:51:10,379 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 20:51:10,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 20:51:10,460 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 20:51:10,462 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 20:51:10,560 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 20:51:10,607 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 20:51:10,607 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 20:51:10,609 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:51:10 BoogieIcfgContainer [2022-12-14 20:51:10,609 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 20:51:10,610 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 20:51:10,610 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 20:51:10,617 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 20:51:10,617 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:51:10" (1/1) ... [2022-12-14 20:51:10,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 20:51:10,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:51:10,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 13 states and 16 transitions. [2022-12-14 20:51:10,661 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2022-12-14 20:51:10,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 20:51:10,663 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:51:10,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:51:10,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:51:10,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:51:11,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:51:11,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2022-12-14 20:51:11,005 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2022-12-14 20:51:11,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 20:51:11,005 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:51:11,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:51:11,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:51:11,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:51:11,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:51:11,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2022-12-14 20:51:11,733 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2022-12-14 20:51:11,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 20:51:11,735 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:51:11,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:51:11,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:51:11,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:51:12,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:51:12,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 17 states and 19 transitions. [2022-12-14 20:51:12,032 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2022-12-14 20:51:12,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 20:51:12,033 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:51:12,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:51:12,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:51:12,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:51:12,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:51:12,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 22 states and 26 transitions. [2022-12-14 20:51:12,669 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2022-12-14 20:51:12,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 20:51:12,669 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:51:12,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:51:12,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:51:13,213 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:51:14,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:51:14,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 26 states and 39 transitions. [2022-12-14 20:51:14,651 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 39 transitions. [2022-12-14 20:51:14,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 20:51:14,651 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:51:14,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:51:14,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:51:14,688 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 20:51:15,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:51:15,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 28 states and 45 transitions. [2022-12-14 20:51:15,658 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 45 transitions. [2022-12-14 20:51:15,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 20:51:15,658 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:51:15,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:51:15,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:51:15,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:51:16,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:51:16,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 48 transitions. [2022-12-14 20:51:16,067 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 48 transitions. [2022-12-14 20:51:16,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 20:51:16,068 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:51:16,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:51:16,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:51:16,121 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 20:51:16,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:51:16,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 44 transitions. [2022-12-14 20:51:16,808 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 44 transitions. [2022-12-14 20:51:16,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 20:51:16,808 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:51:16,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:51:16,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:51:16,874 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 20:51:17,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:51:17,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 30 states and 47 transitions. [2022-12-14 20:51:17,183 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2022-12-14 20:51:17,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 20:51:17,183 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:51:17,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:51:17,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:51:18,437 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:51:23,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:51:23,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 35 states and 65 transitions. [2022-12-14 20:51:23,213 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 65 transitions. [2022-12-14 20:51:23,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 20:51:23,214 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:51:23,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:51:23,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:51:24,876 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:51:35,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:51:35,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 38 states and 72 transitions. [2022-12-14 20:51:35,394 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 72 transitions. [2022-12-14 20:51:35,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 20:51:35,395 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:51:35,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:51:35,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:51:36,605 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:51:38,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:51:38,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 14 states and 20 transitions. [2022-12-14 20:51:38,279 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 20 transitions. [2022-12-14 20:51:38,279 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 20:51:38,279 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 13 iterations. [2022-12-14 20:51:38,284 INFO L754 CodeCheckObserver]: All specifications hold 3 specifications checked. All of them hold [2022-12-14 20:51:38,477 INFO L560 CodeCheckObserver]: Invariant with dag size 6 [2022-12-14 20:51:38,480 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.IllegalArgumentException: unknown symbol (@diff (Array Int Int) (Array Int Int) Int) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.getBinaryOperator(Term2Expression.java:588) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translateSelect(Term2Expression.java:361) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:163) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:173) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:137) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:401) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:1) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpression(ModelTranslationContainer.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpressionToString(ModelTranslationContainer.java:89) at de.uni_freiburg.informatik.ultimate.core.lib.results.InvariantResult.getLongDescription(InvariantResult.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:86) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.reportResult(CodeCheckObserver.java:793) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.createInvariantResults(CodeCheckObserver.java:564) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:520) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-12-14 20:51:38,482 INFO L158 Benchmark]: Toolchain (without parser) took 28518.73ms. Allocated memory was 121.6MB in the beginning and 146.8MB in the end (delta: 25.2MB). Free memory was 86.3MB in the beginning and 48.4MB in the end (delta: 38.0MB). Peak memory consumption was 67.0MB. Max. memory is 16.1GB. [2022-12-14 20:51:38,482 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 121.6MB. Free memory is still 92.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 20:51:38,483 INFO L158 Benchmark]: CACSL2BoogieTranslator took 304.75ms. Allocated memory is still 121.6MB. Free memory was 86.1MB in the beginning and 70.5MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-14 20:51:38,483 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.10ms. Allocated memory is still 121.6MB. Free memory was 70.5MB in the beginning and 68.6MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 20:51:38,484 INFO L158 Benchmark]: Boogie Preprocessor took 18.49ms. Allocated memory is still 121.6MB. Free memory was 68.6MB in the beginning and 67.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 20:51:38,485 INFO L158 Benchmark]: RCFGBuilder took 285.67ms. Allocated memory was 121.6MB in the beginning and 146.8MB in the end (delta: 25.2MB). Free memory was 67.2MB in the beginning and 116.7MB in the end (delta: -49.5MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. [2022-12-14 20:51:38,485 INFO L158 Benchmark]: CodeCheck took 27871.32ms. Allocated memory is still 146.8MB. Free memory was 116.7MB in the beginning and 48.4MB in the end (delta: 68.3MB). Peak memory consumption was 69.8MB. Max. memory is 16.1GB. [2022-12-14 20:51:38,488 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, 13 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 27.6s, OverallIterations: 13, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 375 SdHoareTripleChecker+Valid, 3.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 233 mSDsluCounter, 232 SdHoareTripleChecker+Invalid, 3.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 140 mSDsCounter, 403 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1520 IncrementalHoareTripleChecker+Invalid, 1923 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 403 mSolverCounterUnsat, 92 mSDtfsCounter, 1520 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1203 GetRequests, 960 SyntacticMatches, 37 SemanticMatches, 206 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15848 ImplicationChecksByTransitivity, 24.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 5.5s InterpolantComputationTime, 113 NumberOfCodeBlocks, 113 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 101 ConstructedInterpolants, 0 QuantifiedInterpolants, 1554 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 5 PerfectInterpolantSequences, 17/64 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: 561]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - ExceptionOrErrorResult: IllegalArgumentException: unknown symbol (@diff (Array Int Int) (Array Int Int) Int) de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: IllegalArgumentException: unknown symbol (@diff (Array Int Int) (Array Int Int) Int): de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.getBinaryOperator(Term2Expression.java:588) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 121.6MB. Free memory is still 92.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 304.75ms. Allocated memory is still 121.6MB. Free memory was 86.1MB in the beginning and 70.5MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.10ms. Allocated memory is still 121.6MB. Free memory was 70.5MB in the beginning and 68.6MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.49ms. Allocated memory is still 121.6MB. Free memory was 68.6MB in the beginning and 67.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 285.67ms. Allocated memory was 121.6MB in the beginning and 146.8MB in the end (delta: 25.2MB). Free memory was 67.2MB in the beginning and 116.7MB in the end (delta: -49.5MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. * CodeCheck took 27871.32ms. Allocated memory is still 146.8MB. Free memory was 116.7MB in the beginning and 48.4MB in the end (delta: 68.3MB). Peak memory consumption was 69.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-12-14 20:51:38,505 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e795aa7b-be60-4620-afa3-8427ad6360fb/bin/ukojak-rkRKPMF4O4/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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_e795aa7b-be60-4620-afa3-8427ad6360fb/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e795aa7b-be60-4620-afa3-8427ad6360fb/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e795aa7b-be60-4620-afa3-8427ad6360fb/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e795aa7b-be60-4620-afa3-8427ad6360fb/bin/ukojak-rkRKPMF4O4/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/termination-memory-alloca/openbsd_cmemrchr-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e795aa7b-be60-4620-afa3-8427ad6360fb/bin/ukojak-rkRKPMF4O4/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e795aa7b-be60-4620-afa3-8427ad6360fb/bin/ukojak-rkRKPMF4O4 --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 64bit --witnessprinter.graph.data.programhash 53eb964f347d54908ecbd10f35e9b63fbb661e4a7ab55b977edead5834613d23 --- 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-2329fc7 [2022-12-14 20:51:40,058 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 20:51:40,059 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 20:51:40,073 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 20:51:40,073 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 20:51:40,074 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 20:51:40,075 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 20:51:40,077 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 20:51:40,078 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 20:51:40,078 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 20:51:40,079 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 20:51:40,080 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 20:51:40,080 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 20:51:40,081 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 20:51:40,082 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 20:51:40,082 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 20:51:40,083 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 20:51:40,084 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 20:51:40,085 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 20:51:40,086 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 20:51:40,087 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 20:51:40,088 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 20:51:40,089 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 20:51:40,089 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 20:51:40,092 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 20:51:40,092 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 20:51:40,092 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 20:51:40,093 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 20:51:40,093 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 20:51:40,094 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 20:51:40,094 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 20:51:40,095 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 20:51:40,095 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 20:51:40,096 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 20:51:40,096 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 20:51:40,096 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 20:51:40,097 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 20:51:40,097 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 20:51:40,097 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 20:51:40,098 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 20:51:40,098 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 20:51:40,099 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e795aa7b-be60-4620-afa3-8427ad6360fb/bin/ukojak-rkRKPMF4O4/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Bitvector.epf [2022-12-14 20:51:40,115 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 20:51:40,115 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 20:51:40,116 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 20:51:40,116 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 20:51:40,116 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 20:51:40,117 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 20:51:40,117 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 20:51:40,117 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 20:51:40,117 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-14 20:51:40,117 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-14 20:51:40,117 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-12-14 20:51:40,117 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 20:51:40,117 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 20:51:40,117 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-14 20:51:40,118 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-14 20:51:40,118 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 20:51:40,118 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 20:51:40,118 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 20:51:40,118 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 20:51:40,118 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 20:51:40,118 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 20:51:40,118 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 20:51:40,119 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-14 20:51:40,119 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-14 20:51:40,119 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-12-14 20:51:40,119 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-14 20:51:40,119 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_e795aa7b-be60-4620-afa3-8427ad6360fb/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e795aa7b-be60-4620-afa3-8427ad6360fb/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 53eb964f347d54908ecbd10f35e9b63fbb661e4a7ab55b977edead5834613d23 [2022-12-14 20:51:40,337 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 20:51:40,354 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 20:51:40,356 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 20:51:40,356 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 20:51:40,357 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 20:51:40,358 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e795aa7b-be60-4620-afa3-8427ad6360fb/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/termination-memory-alloca/openbsd_cmemrchr-alloca-1.i [2022-12-14 20:51:42,963 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 20:51:43,138 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 20:51:43,138 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e795aa7b-be60-4620-afa3-8427ad6360fb/sv-benchmarks/c/termination-memory-alloca/openbsd_cmemrchr-alloca-1.i [2022-12-14 20:51:43,147 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e795aa7b-be60-4620-afa3-8427ad6360fb/bin/ukojak-rkRKPMF4O4/data/ccef0eb8a/7383fd84d1e44e3bb145d75a9c48f496/FLAGfc8ef1c8e [2022-12-14 20:51:43,157 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e795aa7b-be60-4620-afa3-8427ad6360fb/bin/ukojak-rkRKPMF4O4/data/ccef0eb8a/7383fd84d1e44e3bb145d75a9c48f496 [2022-12-14 20:51:43,159 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 20:51:43,160 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 20:51:43,161 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 20:51:43,161 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 20:51:43,163 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 20:51:43,164 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:51:43" (1/1) ... [2022-12-14 20:51:43,164 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3671cc66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:51:43, skipping insertion in model container [2022-12-14 20:51:43,165 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:51:43" (1/1) ... [2022-12-14 20:51:43,170 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 20:51:43,195 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 20:51:43,375 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 20:51:43,386 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 20:51:43,414 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 20:51:43,444 INFO L208 MainTranslator]: Completed translation [2022-12-14 20:51:43,445 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:51:43 WrapperNode [2022-12-14 20:51:43,445 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 20:51:43,446 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 20:51:43,446 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 20:51:43,446 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 20:51:43,454 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:51:43" (1/1) ... [2022-12-14 20:51:43,472 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:51:43" (1/1) ... [2022-12-14 20:51:43,488 INFO L138 Inliner]: procedures = 112, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 53 [2022-12-14 20:51:43,488 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 20:51:43,488 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 20:51:43,489 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 20:51:43,489 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 20:51:43,496 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:51:43" (1/1) ... [2022-12-14 20:51:43,496 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:51:43" (1/1) ... [2022-12-14 20:51:43,498 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:51:43" (1/1) ... [2022-12-14 20:51:43,498 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:51:43" (1/1) ... [2022-12-14 20:51:43,503 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:51:43" (1/1) ... [2022-12-14 20:51:43,506 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:51:43" (1/1) ... [2022-12-14 20:51:43,507 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:51:43" (1/1) ... [2022-12-14 20:51:43,508 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:51:43" (1/1) ... [2022-12-14 20:51:43,510 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 20:51:43,510 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 20:51:43,510 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 20:51:43,510 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 20:51:43,511 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:51:43" (1/1) ... [2022-12-14 20:51:43,516 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 20:51:43,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e795aa7b-be60-4620-afa3-8427ad6360fb/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 20:51:43,538 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e795aa7b-be60-4620-afa3-8427ad6360fb/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 20:51:43,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e795aa7b-be60-4620-afa3-8427ad6360fb/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 20:51:43,578 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-12-14 20:51:43,578 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 20:51:43,578 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 20:51:43,579 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 20:51:43,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 20:51:43,677 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 20:51:43,678 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 20:51:43,817 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 20:51:43,869 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 20:51:43,870 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 20:51:43,872 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:51:43 BoogieIcfgContainer [2022-12-14 20:51:43,872 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 20:51:43,873 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 20:51:43,873 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 20:51:43,883 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 20:51:43,883 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:51:43" (1/1) ... [2022-12-14 20:51:43,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 20:51:43,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:51:43,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 13 states and 16 transitions. [2022-12-14 20:51:43,952 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2022-12-14 20:51:43,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 20:51:43,955 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:51:43,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:51:44,001 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Sort BitVec not declared at de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:385) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.NonDeclaringTermTransferrer.transferSort(NonDeclaringTermTransferrer.java:111) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.DeclarableSortSymbol.defineOrDeclare(DeclarableSortSymbol.java:79) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:171) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:196) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.SmtFunctionsAndAxioms.transferAllSymbols(SmtFunctionsAndAxioms.java:156) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.CfgSmtToolkit.createFreshManagedScript(CfgSmtToolkit.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:439) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-12-14 20:51:44,005 INFO L158 Benchmark]: Toolchain (without parser) took 844.22ms. Allocated memory is still 71.3MB. Free memory was 48.7MB in the beginning and 46.6MB in the end (delta: 2.1MB). Peak memory consumption was 24.1MB. Max. memory is 16.1GB. [2022-12-14 20:51:44,006 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 56.6MB. Free memory is still 35.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 20:51:44,006 INFO L158 Benchmark]: CACSL2BoogieTranslator took 284.30ms. Allocated memory is still 71.3MB. Free memory was 48.5MB in the beginning and 50.5MB in the end (delta: -1.9MB). Peak memory consumption was 21.4MB. Max. memory is 16.1GB. [2022-12-14 20:51:44,007 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.01ms. Allocated memory is still 71.3MB. Free memory was 50.2MB in the beginning and 48.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 20:51:44,007 INFO L158 Benchmark]: Boogie Preprocessor took 21.33ms. Allocated memory is still 71.3MB. Free memory was 48.4MB in the beginning and 47.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 20:51:44,008 INFO L158 Benchmark]: RCFGBuilder took 361.85ms. Allocated memory is still 71.3MB. Free memory was 46.7MB in the beginning and 32.3MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-14 20:51:44,008 INFO L158 Benchmark]: CodeCheck took 131.03ms. Allocated memory is still 71.3MB. Free memory was 32.3MB in the beginning and 46.6MB in the end (delta: -14.3MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. [2022-12-14 20:51:44,011 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: SMTLIBException: Sort BitVec not declared de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: SMTLIBException: Sort BitVec not declared: de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:385) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 56.6MB. Free memory is still 35.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 284.30ms. Allocated memory is still 71.3MB. Free memory was 48.5MB in the beginning and 50.5MB in the end (delta: -1.9MB). Peak memory consumption was 21.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.01ms. Allocated memory is still 71.3MB. Free memory was 50.2MB in the beginning and 48.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.33ms. Allocated memory is still 71.3MB. Free memory was 48.4MB in the beginning and 47.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 361.85ms. Allocated memory is still 71.3MB. Free memory was 46.7MB in the beginning and 32.3MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 131.03ms. Allocated memory is still 71.3MB. Free memory was 32.3MB in the beginning and 46.6MB in the end (delta: -14.3MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-12-14 20:51:44,029 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e795aa7b-be60-4620-afa3-8427ad6360fb/bin/ukojak-rkRKPMF4O4/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: ERROR: ExceptionOrErrorResult: SMTLIBException: Sort BitVec not declared