./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/termination-recursive-malloc/mutual_simple.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19a45f-3aad-4923-89b8-6b074844dd9d/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19a45f-3aad-4923-89b8-6b074844dd9d/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_8f19a45f-3aad-4923-89b8-6b074844dd9d/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19a45f-3aad-4923-89b8-6b074844dd9d/bin/ukojak-rkRKPMF4O4/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/termination-recursive-malloc/mutual_simple.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19a45f-3aad-4923-89b8-6b074844dd9d/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_8f19a45f-3aad-4923-89b8-6b074844dd9d/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 6c12f09591910c75ee0fb408a48b3499b101134bf1227e2b3b797b62a89d1275 --- 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 19:21:41,448 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 19:21:41,449 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 19:21:41,463 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 19:21:41,463 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 19:21:41,464 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 19:21:41,465 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 19:21:41,466 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 19:21:41,467 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 19:21:41,468 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 19:21:41,468 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 19:21:41,469 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 19:21:41,470 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 19:21:41,470 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 19:21:41,471 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 19:21:41,472 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 19:21:41,472 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 19:21:41,473 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 19:21:41,474 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 19:21:41,475 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 19:21:41,476 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 19:21:41,478 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 19:21:41,479 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 19:21:41,480 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 19:21:41,483 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 19:21:41,484 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 19:21:41,484 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 19:21:41,485 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 19:21:41,486 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 19:21:41,486 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 19:21:41,487 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 19:21:41,488 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 19:21:41,488 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 19:21:41,489 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 19:21:41,490 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 19:21:41,491 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 19:21:41,491 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 19:21:41,492 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 19:21:41,492 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 19:21:41,493 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 19:21:41,493 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 19:21:41,494 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19a45f-3aad-4923-89b8-6b074844dd9d/bin/ukojak-rkRKPMF4O4/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf [2022-12-14 19:21:41,515 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 19:21:41,515 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 19:21:41,516 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 19:21:41,517 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 19:21:41,517 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 19:21:41,517 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 19:21:41,517 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 19:21:41,518 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 19:21:41,518 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-14 19:21:41,518 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-14 19:21:41,518 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-12-14 19:21:41,518 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 19:21:41,518 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 19:21:41,519 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 19:21:41,519 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 19:21:41,519 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 19:21:41,519 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 19:21:41,520 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 19:21:41,520 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 19:21:41,520 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 19:21:41,520 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 19:21:41,520 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_8f19a45f-3aad-4923-89b8-6b074844dd9d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19a45f-3aad-4923-89b8-6b074844dd9d/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6c12f09591910c75ee0fb408a48b3499b101134bf1227e2b3b797b62a89d1275 [2022-12-14 19:21:41,691 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 19:21:41,711 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 19:21:41,713 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 19:21:41,715 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 19:21:41,715 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 19:21:41,716 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19a45f-3aad-4923-89b8-6b074844dd9d/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/termination-recursive-malloc/mutual_simple.i [2022-12-14 19:21:44,305 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 19:21:44,466 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 19:21:44,467 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19a45f-3aad-4923-89b8-6b074844dd9d/sv-benchmarks/c/termination-recursive-malloc/mutual_simple.i [2022-12-14 19:21:44,471 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19a45f-3aad-4923-89b8-6b074844dd9d/bin/ukojak-rkRKPMF4O4/data/d1eedb181/09a74580f0874c6183bbddd46b6bb3ef/FLAGe522d0f04 [2022-12-14 19:21:44,483 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19a45f-3aad-4923-89b8-6b074844dd9d/bin/ukojak-rkRKPMF4O4/data/d1eedb181/09a74580f0874c6183bbddd46b6bb3ef [2022-12-14 19:21:44,485 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 19:21:44,486 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 19:21:44,487 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 19:21:44,487 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 19:21:44,490 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 19:21:44,490 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:21:44" (1/1) ... [2022-12-14 19:21:44,491 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d1faa4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:21:44, skipping insertion in model container [2022-12-14 19:21:44,492 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:21:44" (1/1) ... [2022-12-14 19:21:44,497 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 19:21:44,509 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 19:21:44,626 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 19:21:44,636 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 19:21:44,648 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 19:21:44,658 INFO L208 MainTranslator]: Completed translation [2022-12-14 19:21:44,658 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:21:44 WrapperNode [2022-12-14 19:21:44,659 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 19:21:44,659 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 19:21:44,659 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 19:21:44,660 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 19:21:44,665 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:21:44" (1/1) ... [2022-12-14 19:21:44,671 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:21:44" (1/1) ... [2022-12-14 19:21:44,687 INFO L138 Inliner]: procedures = 12, calls = 12, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 16 [2022-12-14 19:21:44,687 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 19:21:44,688 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 19:21:44,688 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 19:21:44,688 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 19:21:44,696 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:21:44" (1/1) ... [2022-12-14 19:21:44,696 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:21:44" (1/1) ... [2022-12-14 19:21:44,698 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:21:44" (1/1) ... [2022-12-14 19:21:44,698 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:21:44" (1/1) ... [2022-12-14 19:21:44,702 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:21:44" (1/1) ... [2022-12-14 19:21:44,703 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:21:44" (1/1) ... [2022-12-14 19:21:44,704 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:21:44" (1/1) ... [2022-12-14 19:21:44,704 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:21:44" (1/1) ... [2022-12-14 19:21:44,706 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 19:21:44,707 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 19:21:44,707 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 19:21:44,707 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 19:21:44,708 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:21:44" (1/1) ... [2022-12-14 19:21:44,714 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 19:21:44,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19a45f-3aad-4923-89b8-6b074844dd9d/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 19:21:44,736 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19a45f-3aad-4923-89b8-6b074844dd9d/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 19:21:44,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19a45f-3aad-4923-89b8-6b074844dd9d/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 19:21:44,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 19:21:44,771 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 19:21:44,771 INFO L130 BoogieDeclarations]: Found specification of procedure f [2022-12-14 19:21:44,772 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2022-12-14 19:21:44,772 INFO L130 BoogieDeclarations]: Found specification of procedure g [2022-12-14 19:21:44,772 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2022-12-14 19:21:44,772 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 19:21:44,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 19:21:44,772 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 19:21:44,772 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 19:21:44,831 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 19:21:44,832 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 19:21:44,944 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 19:21:44,958 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 19:21:44,958 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 19:21:44,960 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:21:44 BoogieIcfgContainer [2022-12-14 19:21:44,960 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 19:21:44,961 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 19:21:44,961 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 19:21:44,969 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 19:21:44,969 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:21:44" (1/1) ... [2022-12-14 19:21:44,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 19:21:45,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:21:45,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 36 states and 38 transitions. [2022-12-14 19:21:45,016 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 38 transitions. [2022-12-14 19:21:45,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2022-12-14 19:21:45,017 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:21:45,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:21:45,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:21:45,134 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 19:21:45,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:21:45,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 35 states and 37 transitions. [2022-12-14 19:21:45,162 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 37 transitions. [2022-12-14 19:21:45,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2022-12-14 19:21:45,162 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:21:45,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:21:45,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:21:45,244 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 19:21:45,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:21:45,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 34 states and 36 transitions. [2022-12-14 19:21:45,310 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 36 transitions. [2022-12-14 19:21:45,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 19:21:45,310 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:21:45,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:21:45,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:21:45,369 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 19:21:45,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:21:45,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 36 states and 39 transitions. [2022-12-14 19:21:45,430 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 39 transitions. [2022-12-14 19:21:45,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 19:21:45,431 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:21:45,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:21:45,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:21:45,582 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 19:21:45,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:21:45,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 38 states and 42 transitions. [2022-12-14 19:21:45,910 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 42 transitions. [2022-12-14 19:21:45,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 19:21:45,913 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:21:45,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:21:45,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:21:45,929 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 19:21:45,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:21:45,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 37 states and 41 transitions. [2022-12-14 19:21:45,942 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 41 transitions. [2022-12-14 19:21:45,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 19:21:45,942 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:21:45,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:21:45,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:21:46,040 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 19:21:46,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:21:46,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 39 states and 45 transitions. [2022-12-14 19:21:46,199 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 45 transitions. [2022-12-14 19:21:46,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 19:21:46,199 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:21:46,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:21:46,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:21:46,219 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 19:21:46,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:21:46,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 38 states and 44 transitions. [2022-12-14 19:21:46,232 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 44 transitions. [2022-12-14 19:21:46,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 19:21:46,233 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:21:46,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:21:46,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:21:46,273 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 19:21:46,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:21:46,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 39 states and 45 transitions. [2022-12-14 19:21:46,286 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 45 transitions. [2022-12-14 19:21:46,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 19:21:46,286 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:21:46,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:21:46,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:21:46,299 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 19:21:46,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:21:46,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 38 states and 44 transitions. [2022-12-14 19:21:46,309 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 44 transitions. [2022-12-14 19:21:46,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 19:21:46,309 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:21:46,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:21:46,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:21:46,337 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 19:21:46,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:21:46,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 37 states and 43 transitions. [2022-12-14 19:21:46,527 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 43 transitions. [2022-12-14 19:21:46,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 19:21:46,528 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:21:46,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:21:46,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:21:46,621 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 19:21:46,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:21:46,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 36 states and 42 transitions. [2022-12-14 19:21:46,686 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 42 transitions. [2022-12-14 19:21:46,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 19:21:46,686 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:21:46,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:21:46,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:21:46,807 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 19:21:47,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:21:47,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 42 states and 50 transitions. [2022-12-14 19:21:47,211 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 50 transitions. [2022-12-14 19:21:47,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 19:21:47,211 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:21:47,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:21:47,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:21:47,224 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 19:21:47,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:21:47,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 41 states and 49 transitions. [2022-12-14 19:21:47,427 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 49 transitions. [2022-12-14 19:21:47,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 19:21:47,428 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:21:47,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:21:47,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:21:47,531 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 19:21:48,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:21:48,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 40 states and 48 transitions. [2022-12-14 19:21:48,078 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 48 transitions. [2022-12-14 19:21:48,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-14 19:21:48,079 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:21:48,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:21:48,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:21:48,123 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 19:21:48,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:21:48,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 37 states and 44 transitions. [2022-12-14 19:21:48,134 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 44 transitions. [2022-12-14 19:21:48,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-14 19:21:48,134 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:21:48,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:21:48,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:21:48,337 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 19:21:48,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:21:48,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 22 states and 24 transitions. [2022-12-14 19:21:48,356 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2022-12-14 19:21:48,356 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 19:21:48,357 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 17 iterations. [2022-12-14 19:21:48,364 INFO L754 CodeCheckObserver]: All specifications hold 14 specifications checked. All of them hold [2022-12-14 19:21:48,414 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 07:21:48 ImpRootNode [2022-12-14 19:21:48,414 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 19:21:48,415 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 19:21:48,415 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 19:21:48,415 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 19:21:48,416 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:21:44" (3/4) ... [2022-12-14 19:21:48,418 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 19:21:48,424 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure f [2022-12-14 19:21:48,424 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure g [2022-12-14 19:21:48,428 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2022-12-14 19:21:48,428 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-12-14 19:21:48,428 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-14 19:21:48,428 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 19:21:48,461 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19a45f-3aad-4923-89b8-6b074844dd9d/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 19:21:48,461 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 19:21:48,462 INFO L158 Benchmark]: Toolchain (without parser) took 3975.31ms. Allocated memory is still 140.5MB. Free memory was 110.3MB in the beginning and 67.6MB in the end (delta: 42.6MB). Peak memory consumption was 44.3MB. Max. memory is 16.1GB. [2022-12-14 19:21:48,462 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 140.5MB. Free memory is still 117.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 19:21:48,462 INFO L158 Benchmark]: CACSL2BoogieTranslator took 171.64ms. Allocated memory is still 140.5MB. Free memory was 110.0MB in the beginning and 100.5MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 19:21:48,463 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.71ms. Allocated memory is still 140.5MB. Free memory was 100.5MB in the beginning and 99.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 19:21:48,463 INFO L158 Benchmark]: Boogie Preprocessor took 18.53ms. Allocated memory is still 140.5MB. Free memory was 99.1MB in the beginning and 98.1MB in the end (delta: 972.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 19:21:48,463 INFO L158 Benchmark]: RCFGBuilder took 253.67ms. Allocated memory is still 140.5MB. Free memory was 98.1MB in the beginning and 85.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-14 19:21:48,464 INFO L158 Benchmark]: CodeCheck took 3453.56ms. Allocated memory is still 140.5MB. Free memory was 85.5MB in the beginning and 70.7MB in the end (delta: 14.9MB). Peak memory consumption was 17.1MB. Max. memory is 16.1GB. [2022-12-14 19:21:48,464 INFO L158 Benchmark]: Witness Printer took 46.10ms. Allocated memory is still 140.5MB. Free memory was 70.7MB in the beginning and 67.6MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 19:21:48,466 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 3 procedures, 36 locations, 14 error locations. Started 1 CEGAR loops. OverallTime: 3.4s, OverallIterations: 17, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 465 SdHoareTripleChecker+Valid, 1.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 317 mSDsluCounter, 348 SdHoareTripleChecker+Invalid, 1.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 112 mSDsCounter, 469 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1352 IncrementalHoareTripleChecker+Invalid, 1821 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 469 mSolverCounterUnsat, 236 mSDtfsCounter, 1352 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1124 GetRequests, 996 SyntacticMatches, 28 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3950 ImplicationChecksByTransitivity, 2.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 138 NumberOfCodeBlocks, 138 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 122 ConstructedInterpolants, 0 QuantifiedInterpolants, 605 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 16 InterpolantComputations, 16 PerfectInterpolantSequences, 4/4 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -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: 39]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 39]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 39]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 29]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 14 specifications checked. All of them hold * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 140.5MB. Free memory is still 117.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 171.64ms. Allocated memory is still 140.5MB. Free memory was 110.0MB in the beginning and 100.5MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.71ms. Allocated memory is still 140.5MB. Free memory was 100.5MB in the beginning and 99.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.53ms. Allocated memory is still 140.5MB. Free memory was 99.1MB in the beginning and 98.1MB in the end (delta: 972.1kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 253.67ms. Allocated memory is still 140.5MB. Free memory was 98.1MB in the beginning and 85.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 3453.56ms. Allocated memory is still 140.5MB. Free memory was 85.5MB in the beginning and 70.7MB in the end (delta: 14.9MB). Peak memory consumption was 17.1MB. Max. memory is 16.1GB. * Witness Printer took 46.10ms. Allocated memory is still 140.5MB. Free memory was 70.7MB in the beginning and 67.6MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-14 19:21:48,481 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f19a45f-3aad-4923-89b8-6b074844dd9d/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: TRUE