./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-15/cstrcpy_malloc.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 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_6b66a9d4-6124-49ab-9e08-7abde163d36a/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b66a9d4-6124-49ab-9e08-7abde163d36a/bin/ukojak-jW3SillKbg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b66a9d4-6124-49ab-9e08-7abde163d36a/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b66a9d4-6124-49ab-9e08-7abde163d36a/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-15/cstrcpy_malloc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b66a9d4-6124-49ab-9e08-7abde163d36a/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b66a9d4-6124-49ab-9e08-7abde163d36a/bin/ukojak-jW3SillKbg --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash b3793c1153138718c278bf2758234e75646fb19e62e98d110099399474912470 --- 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-b5237d8 [2022-11-21 22:19:55,471 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 22:19:55,473 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 22:19:55,516 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 22:19:55,517 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 22:19:55,520 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 22:19:55,523 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 22:19:55,526 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 22:19:55,529 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 22:19:55,534 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 22:19:55,535 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 22:19:55,536 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 22:19:55,537 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 22:19:55,539 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 22:19:55,541 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 22:19:55,543 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 22:19:55,544 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 22:19:55,546 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 22:19:55,547 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 22:19:55,554 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 22:19:55,556 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 22:19:55,558 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 22:19:55,560 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 22:19:55,560 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 22:19:55,571 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 22:19:55,571 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 22:19:55,572 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 22:19:55,574 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 22:19:55,574 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 22:19:55,575 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 22:19:55,575 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 22:19:55,576 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 22:19:55,578 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 22:19:55,579 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 22:19:55,580 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 22:19:55,580 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 22:19:55,581 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 22:19:55,581 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 22:19:55,582 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 22:19:55,583 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 22:19:55,584 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 22:19:55,585 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b66a9d4-6124-49ab-9e08-7abde163d36a/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-21 22:19:55,625 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 22:19:55,626 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 22:19:55,627 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 22:19:55,627 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 22:19:55,628 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 22:19:55,628 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 22:19:55,629 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 22:19:55,629 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 22:19:55,629 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 22:19:55,630 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 22:19:55,631 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 22:19:55,631 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 22:19:55,631 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 22:19:55,632 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 22:19:55,632 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 22:19:55,632 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 22:19:55,633 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 22:19:55,633 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 22:19:55,633 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 22:19:55,633 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 22:19:55,634 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:19:55,634 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 22:19:55,634 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 22:19:55,635 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 22:19:55,635 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 22:19:55,635 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 22:19:55,636 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 22:19:55,636 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_6b66a9d4-6124-49ab-9e08-7abde163d36a/bin/ukojak-jW3SillKbg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b66a9d4-6124-49ab-9e08-7abde163d36a/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b3793c1153138718c278bf2758234e75646fb19e62e98d110099399474912470 [2022-11-21 22:19:55,931 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 22:19:55,969 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 22:19:55,972 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 22:19:55,973 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 22:19:55,974 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 22:19:55,976 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b66a9d4-6124-49ab-9e08-7abde163d36a/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/termination-15/cstrcpy_malloc.i [2022-11-21 22:19:59,113 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 22:19:59,454 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 22:19:59,454 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b66a9d4-6124-49ab-9e08-7abde163d36a/sv-benchmarks/c/termination-15/cstrcpy_malloc.i [2022-11-21 22:19:59,471 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b66a9d4-6124-49ab-9e08-7abde163d36a/bin/ukojak-jW3SillKbg/data/f32f2132b/47e415c17e834942a8224789fc3a0e9a/FLAG4df72cfdd [2022-11-21 22:19:59,490 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b66a9d4-6124-49ab-9e08-7abde163d36a/bin/ukojak-jW3SillKbg/data/f32f2132b/47e415c17e834942a8224789fc3a0e9a [2022-11-21 22:19:59,493 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 22:19:59,495 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 22:19:59,499 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 22:19:59,499 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 22:19:59,502 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 22:19:59,503 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:19:59" (1/1) ... [2022-11-21 22:19:59,504 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c34de4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:19:59, skipping insertion in model container [2022-11-21 22:19:59,504 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:19:59" (1/1) ... [2022-11-21 22:19:59,512 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 22:19:59,562 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 22:19:59,904 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:19:59,916 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 22:19:59,977 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:20:00,015 INFO L208 MainTranslator]: Completed translation [2022-11-21 22:20:00,016 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:20:00 WrapperNode [2022-11-21 22:20:00,016 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 22:20:00,018 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 22:20:00,018 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 22:20:00,018 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 22:20:00,026 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:20:00" (1/1) ... [2022-11-21 22:20:00,042 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:20:00" (1/1) ... [2022-11-21 22:20:00,066 INFO L138 Inliner]: procedures = 152, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 55 [2022-11-21 22:20:00,066 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 22:20:00,067 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 22:20:00,067 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 22:20:00,068 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 22:20:00,077 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:20:00" (1/1) ... [2022-11-21 22:20:00,078 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:20:00" (1/1) ... [2022-11-21 22:20:00,091 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:20:00" (1/1) ... [2022-11-21 22:20:00,092 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:20:00" (1/1) ... [2022-11-21 22:20:00,096 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:20:00" (1/1) ... [2022-11-21 22:20:00,106 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:20:00" (1/1) ... [2022-11-21 22:20:00,112 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:20:00" (1/1) ... [2022-11-21 22:20:00,117 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:20:00" (1/1) ... [2022-11-21 22:20:00,119 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 22:20:00,120 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 22:20:00,123 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 22:20:00,124 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 22:20:00,125 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:20:00" (1/1) ... [2022-11-21 22:20:00,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:20:00,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b66a9d4-6124-49ab-9e08-7abde163d36a/bin/ukojak-jW3SillKbg/z3 [2022-11-21 22:20:00,157 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b66a9d4-6124-49ab-9e08-7abde163d36a/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 22:20:00,184 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b66a9d4-6124-49ab-9e08-7abde163d36a/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 22:20:00,205 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 22:20:00,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 22:20:00,207 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-21 22:20:00,207 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 22:20:00,207 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 22:20:00,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 22:20:00,324 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 22:20:00,327 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 22:20:00,488 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 22:20:00,529 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 22:20:00,529 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-21 22:20:00,532 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:20:00 BoogieIcfgContainer [2022-11-21 22:20:00,532 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 22:20:00,533 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 22:20:00,533 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 22:20:00,544 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 22:20:00,544 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:20:00" (1/1) ... [2022-11-21 22:20:00,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 22:20:00,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:20:00,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 11 states and 13 transitions. [2022-11-21 22:20:00,624 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2022-11-21 22:20:00,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-21 22:20:00,626 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:20:00,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:20:00,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:20:01,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:20:01,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:20:01,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 10 states and 12 transitions. [2022-11-21 22:20:01,096 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 12 transitions. [2022-11-21 22:20:01,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-21 22:20:01,096 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:20:01,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:20:01,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:20:01,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:20:01,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:20:01,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2022-11-21 22:20:01,339 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2022-11-21 22:20:01,340 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-21 22:20:01,340 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 3 iterations. [2022-11-21 22:20:01,349 INFO L754 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2022-11-21 22:20:01,385 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-21 22:20:01,392 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-21 22:20:01,392 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-21 22:20:01,393 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 10:20:01 ImpRootNode [2022-11-21 22:20:01,393 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-21 22:20:01,394 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 22:20:01,394 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 22:20:01,395 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 22:20:01,395 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:20:00" (3/4) ... [2022-11-21 22:20:01,399 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 22:20:01,409 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2022-11-21 22:20:01,409 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-21 22:20:01,409 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-21 22:20:01,409 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 22:20:01,454 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b66a9d4-6124-49ab-9e08-7abde163d36a/bin/ukojak-jW3SillKbg/witness.graphml [2022-11-21 22:20:01,455 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 22:20:01,456 INFO L158 Benchmark]: Toolchain (without parser) took 1960.36ms. Allocated memory was 146.8MB in the beginning and 176.2MB in the end (delta: 29.4MB). Free memory was 102.1MB in the beginning and 138.1MB in the end (delta: -36.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 22:20:01,456 INFO L158 Benchmark]: CDTParser took 0.53ms. Allocated memory is still 146.8MB. Free memory is still 90.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 22:20:01,457 INFO L158 Benchmark]: CACSL2BoogieTranslator took 518.54ms. Allocated memory is still 146.8MB. Free memory was 101.6MB in the beginning and 84.5MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-21 22:20:01,457 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.60ms. Allocated memory is still 146.8MB. Free memory was 84.1MB in the beginning and 82.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 22:20:01,458 INFO L158 Benchmark]: Boogie Preprocessor took 52.31ms. Allocated memory is still 146.8MB. Free memory was 82.3MB in the beginning and 81.1MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 22:20:01,458 INFO L158 Benchmark]: RCFGBuilder took 412.31ms. Allocated memory is still 146.8MB. Free memory was 81.1MB in the beginning and 68.1MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-21 22:20:01,459 INFO L158 Benchmark]: CodeCheck took 860.03ms. Allocated memory was 146.8MB in the beginning and 176.2MB in the end (delta: 29.4MB). Free memory was 68.1MB in the beginning and 140.3MB in the end (delta: -72.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 22:20:01,459 INFO L158 Benchmark]: Witness Printer took 60.50ms. Allocated memory is still 176.2MB. Free memory was 140.3MB in the beginning and 138.1MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 22:20:01,463 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, 11 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 9 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 9 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 35 IncrementalHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 0 mSDtfsCounter, 35 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 45 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 15 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 384]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 384]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 368]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 372]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 368]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.53ms. Allocated memory is still 146.8MB. Free memory is still 90.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 518.54ms. Allocated memory is still 146.8MB. Free memory was 101.6MB in the beginning and 84.5MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.60ms. Allocated memory is still 146.8MB. Free memory was 84.1MB in the beginning and 82.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.31ms. Allocated memory is still 146.8MB. Free memory was 82.3MB in the beginning and 81.1MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 412.31ms. Allocated memory is still 146.8MB. Free memory was 81.1MB in the beginning and 68.1MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 860.03ms. Allocated memory was 146.8MB in the beginning and 176.2MB in the end (delta: 29.4MB). Free memory was 68.1MB in the beginning and 140.3MB in the end (delta: -72.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 60.50ms. Allocated memory is still 176.2MB. Free memory was 140.3MB in the beginning and 138.1MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-21 22:20:01,503 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b66a9d4-6124-49ab-9e08-7abde163d36a/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE