./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-memory-alloca/c.07-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 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_d22cf2ca-59c8-42a7-951f-4d215a1b92ee/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22cf2ca-59c8-42a7-951f-4d215a1b92ee/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_d22cf2ca-59c8-42a7-951f-4d215a1b92ee/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22cf2ca-59c8-42a7-951f-4d215a1b92ee/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-memory-alloca/c.07-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22cf2ca-59c8-42a7-951f-4d215a1b92ee/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_d22cf2ca-59c8-42a7-951f-4d215a1b92ee/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 93b4a0ba0c9f7effb12d2a47608c061d55502e7c43d58dada73542f7a20a21c1 --- 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 22:13:48,437 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 22:13:48,439 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 22:13:48,463 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 22:13:48,466 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 22:13:48,470 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 22:13:48,473 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 22:13:48,477 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 22:13:48,479 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 22:13:48,485 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 22:13:48,486 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 22:13:48,488 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 22:13:48,489 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 22:13:48,494 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 22:13:48,496 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 22:13:48,498 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 22:13:48,500 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 22:13:48,501 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 22:13:48,503 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 22:13:48,509 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 22:13:48,511 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 22:13:48,513 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 22:13:48,514 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 22:13:48,515 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 22:13:48,525 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 22:13:48,525 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 22:13:48,526 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 22:13:48,527 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 22:13:48,528 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 22:13:48,529 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 22:13:48,530 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 22:13:48,531 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 22:13:48,533 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 22:13:48,536 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 22:13:48,537 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 22:13:48,537 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 22:13:48,538 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 22:13:48,538 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 22:13:48,539 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 22:13:48,540 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 22:13:48,541 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 22:13:48,542 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22cf2ca-59c8-42a7-951f-4d215a1b92ee/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-21 22:13:48,583 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 22:13:48,583 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 22:13:48,584 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 22:13:48,585 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 22:13:48,586 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 22:13:48,586 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 22:13:48,587 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 22:13:48,587 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 22:13:48,587 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 22:13:48,587 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 22:13:48,589 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 22:13:48,589 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 22:13:48,589 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 22:13:48,589 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 22:13:48,590 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 22:13:48,590 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 22:13:48,590 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 22:13:48,591 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 22:13:48,591 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 22:13:48,591 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 22:13:48,591 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:13:48,592 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 22:13:48,592 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 22:13:48,592 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 22:13:48,593 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 22:13:48,593 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 22:13:48,593 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 22:13:48,593 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22cf2ca-59c8-42a7-951f-4d215a1b92ee/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22cf2ca-59c8-42a7-951f-4d215a1b92ee/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 93b4a0ba0c9f7effb12d2a47608c061d55502e7c43d58dada73542f7a20a21c1 [2022-11-21 22:13:48,929 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 22:13:48,954 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 22:13:48,958 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 22:13:48,959 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 22:13:48,960 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 22:13:48,962 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22cf2ca-59c8-42a7-951f-4d215a1b92ee/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/termination-memory-alloca/c.07-alloca.i [2022-11-21 22:13:51,890 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 22:13:52,201 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 22:13:52,202 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22cf2ca-59c8-42a7-951f-4d215a1b92ee/sv-benchmarks/c/termination-memory-alloca/c.07-alloca.i [2022-11-21 22:13:52,223 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22cf2ca-59c8-42a7-951f-4d215a1b92ee/bin/ukojak-jW3SillKbg/data/6f0a71aa6/1dff1d60c66e494a8f2190023128e516/FLAGbf942ab50 [2022-11-21 22:13:52,240 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22cf2ca-59c8-42a7-951f-4d215a1b92ee/bin/ukojak-jW3SillKbg/data/6f0a71aa6/1dff1d60c66e494a8f2190023128e516 [2022-11-21 22:13:52,246 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 22:13:52,248 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 22:13:52,253 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 22:13:52,253 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 22:13:52,257 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 22:13:52,258 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:13:52" (1/1) ... [2022-11-21 22:13:52,259 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b552266 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:13:52, skipping insertion in model container [2022-11-21 22:13:52,259 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:13:52" (1/1) ... [2022-11-21 22:13:52,267 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 22:13:52,322 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 22:13:52,620 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:13:52,630 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 22:13:52,666 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:13:52,688 INFO L208 MainTranslator]: Completed translation [2022-11-21 22:13:52,689 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:13:52 WrapperNode [2022-11-21 22:13:52,689 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 22:13:52,690 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 22:13:52,691 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 22:13:52,691 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 22:13:52,698 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:13:52" (1/1) ... [2022-11-21 22:13:52,709 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:13:52" (1/1) ... [2022-11-21 22:13:52,729 INFO L138 Inliner]: procedures = 111, calls = 35, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 100 [2022-11-21 22:13:52,730 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 22:13:52,731 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 22:13:52,731 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 22:13:52,731 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 22:13:52,739 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:13:52" (1/1) ... [2022-11-21 22:13:52,740 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:13:52" (1/1) ... [2022-11-21 22:13:52,743 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:13:52" (1/1) ... [2022-11-21 22:13:52,743 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:13:52" (1/1) ... [2022-11-21 22:13:52,747 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:13:52" (1/1) ... [2022-11-21 22:13:52,750 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:13:52" (1/1) ... [2022-11-21 22:13:52,752 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:13:52" (1/1) ... [2022-11-21 22:13:52,753 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:13:52" (1/1) ... [2022-11-21 22:13:52,755 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 22:13:52,756 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 22:13:52,756 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 22:13:52,756 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 22:13:52,757 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:13:52" (1/1) ... [2022-11-21 22:13:52,763 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:13:52,773 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22cf2ca-59c8-42a7-951f-4d215a1b92ee/bin/ukojak-jW3SillKbg/z3 [2022-11-21 22:13:52,787 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22cf2ca-59c8-42a7-951f-4d215a1b92ee/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 22:13:52,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22cf2ca-59c8-42a7-951f-4d215a1b92ee/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 22:13:52,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 22:13:52,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 22:13:52,840 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 22:13:52,841 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 22:13:52,841 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 22:13:52,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 22:13:52,947 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 22:13:52,949 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 22:13:53,240 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 22:13:53,324 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 22:13:53,325 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-21 22:13:53,329 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:13:53 BoogieIcfgContainer [2022-11-21 22:13:53,329 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 22:13:53,330 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 22:13:53,331 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 22:13:53,342 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 22:13:53,343 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:13:53" (1/1) ... [2022-11-21 22:13:53,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 22:13:53,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:13:53,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2022-11-21 22:13:53,414 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2022-11-21 22:13:53,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-21 22:13:53,416 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:13:53,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:13:53,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:13:54,655 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 22:13:54,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:13:54,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 16 states and 19 transitions. [2022-11-21 22:13:54,725 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2022-11-21 22:13:54,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-21 22:13:54,726 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:13:54,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:13:54,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:13:57,236 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 22:13:57,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:13:57,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 20 states and 27 transitions. [2022-11-21 22:13:57,732 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2022-11-21 22:13:57,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-21 22:13:57,732 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:13:57,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:13:57,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:13:58,632 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 22:13:59,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:13:59,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 25 states and 41 transitions. [2022-11-21 22:13:59,701 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 41 transitions. [2022-11-21 22:13:59,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-21 22:13:59,703 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:13:59,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:13:59,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:14:00,394 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 22:14:01,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:14:01,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 29 states and 49 transitions. [2022-11-21 22:14:01,552 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 49 transitions. [2022-11-21 22:14:01,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-21 22:14:01,552 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:14:01,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:14:01,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:14:02,109 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-21 22:14:03,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:14:03,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 34 states and 56 transitions. [2022-11-21 22:14:03,146 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 56 transitions. [2022-11-21 22:14:03,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-21 22:14:03,147 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:14:03,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:14:03,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:14:05,266 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:14:08,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:14:08,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 40 states and 70 transitions. [2022-11-21 22:14:08,701 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 70 transitions. [2022-11-21 22:14:08,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-21 22:14:08,702 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:14:08,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:14:08,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:14:09,255 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:14:11,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:14:11,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 45 states and 79 transitions. [2022-11-21 22:14:11,900 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 79 transitions. [2022-11-21 22:14:11,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-21 22:14:11,902 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:14:11,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:14:12,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:14:13,522 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:14:18,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:14:18,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 52 states and 96 transitions. [2022-11-21 22:14:18,058 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 96 transitions. [2022-11-21 22:14:18,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-21 22:14:18,059 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:14:18,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:14:18,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:14:20,492 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:14:25,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:14:25,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 10 states and 11 transitions. [2022-11-21 22:14:25,597 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions. [2022-11-21 22:14:25,598 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-21 22:14:25,598 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 10 iterations. [2022-11-21 22:14:25,605 INFO L754 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2022-11-21 22:14:25,787 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-21 22:14:25,791 INFO L560 CodeCheckObserver]: Invariant with dag size 45 [2022-11-21 22:14:25,804 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 10:14:25 ImpRootNode [2022-11-21 22:14:25,804 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-21 22:14:25,805 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 22:14:25,805 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 22:14:25,805 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 22:14:25,806 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:13:53" (3/4) ... [2022-11-21 22:14:25,809 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 22:14:25,818 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2022-11-21 22:14:25,819 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-21 22:14:25,819 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-21 22:14:25,819 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 22:14:25,864 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22cf2ca-59c8-42a7-951f-4d215a1b92ee/bin/ukojak-jW3SillKbg/witness.graphml [2022-11-21 22:14:25,864 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 22:14:25,865 INFO L158 Benchmark]: Toolchain (without parser) took 33617.04ms. Allocated memory was 155.2MB in the beginning and 469.8MB in the end (delta: 314.6MB). Free memory was 120.0MB in the beginning and 255.7MB in the end (delta: -135.7MB). Peak memory consumption was 177.8MB. Max. memory is 16.1GB. [2022-11-21 22:14:25,866 INFO L158 Benchmark]: CDTParser took 0.59ms. Allocated memory is still 111.1MB. Free memory was 82.0MB in the beginning and 81.9MB in the end (delta: 119.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 22:14:25,866 INFO L158 Benchmark]: CACSL2BoogieTranslator took 436.70ms. Allocated memory is still 155.2MB. Free memory was 119.1MB in the beginning and 119.5MB in the end (delta: -390.8kB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-21 22:14:25,867 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.71ms. Allocated memory is still 155.2MB. Free memory was 119.5MB in the beginning and 117.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 22:14:25,867 INFO L158 Benchmark]: Boogie Preprocessor took 24.59ms. Allocated memory is still 155.2MB. Free memory was 117.4MB in the beginning and 116.5MB in the end (delta: 933.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 22:14:25,867 INFO L158 Benchmark]: RCFGBuilder took 573.71ms. Allocated memory is still 155.2MB. Free memory was 116.5MB in the beginning and 99.5MB in the end (delta: 17.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-21 22:14:25,868 INFO L158 Benchmark]: CodeCheck took 32473.74ms. Allocated memory was 155.2MB in the beginning and 469.8MB in the end (delta: 314.6MB). Free memory was 99.5MB in the beginning and 258.8MB in the end (delta: -159.3MB). Peak memory consumption was 158.3MB. Max. memory is 16.1GB. [2022-11-21 22:14:25,869 INFO L158 Benchmark]: Witness Printer took 59.88ms. Allocated memory is still 469.8MB. Free memory was 258.8MB in the beginning and 255.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 22:14:25,871 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, 4 error locations. Started 1 CEGAR loops. OverallTime: 32.2s, OverallIterations: 10, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 202 SdHoareTripleChecker+Valid, 3.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 178 mSDsluCounter, 18 SdHoareTripleChecker+Invalid, 2.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 18 mSDsCounter, 352 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1386 IncrementalHoareTripleChecker+Invalid, 1738 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 352 mSolverCounterUnsat, 0 mSDtfsCounter, 1386 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 954 GetRequests, 697 SyntacticMatches, 25 SemanticMatches, 232 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24867 ImplicationChecksByTransitivity, 21.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 11.7s InterpolantComputationTime, 89 NumberOfCodeBlocks, 89 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 80 ConstructedInterpolants, 0 QuantifiedInterpolants, 1601 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 4 PerfectInterpolantSequences, 5/40 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: 562]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 562]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 563]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 563]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 559]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 559]: Loop Invariant Derived loop invariant: ((((((((!(j_ref == i_ref) && !(i_ref == tmp_ref)) && !(k_ref == tmp_ref)) && 0 <= 2147483647 + unknown-#memory_int-unknown[j_ref][j_ref]) && 0 <= unknown-#memory_int-unknown[i_ref][i_ref] + 2147483648) && unknown-#memory_int-unknown[k_ref][k_ref] <= 2147483647) && !(k_ref == i_ref)) && !(k_ref == j_ref)) && !(j_ref == tmp_ref)) || ((((((((0 <= unknown-#memory_int-unknown[j_ref][j_ref] + 2147483648 && !(j_ref == i_ref)) && !(i_ref == tmp_ref)) && !(k_ref == tmp_ref)) && (unknown-#memory_int-unknown[k_ref][k_ref] == 0 || (unknown-#memory_int-unknown[k_ref][k_ref] == k && k <= 2147483647))) && 0 <= unknown-#memory_int-unknown[i_ref][i_ref] + 2147483648) && !(k_ref == i_ref)) && !(k_ref == j_ref)) && !(j_ref == tmp_ref)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.59ms. Allocated memory is still 111.1MB. Free memory was 82.0MB in the beginning and 81.9MB in the end (delta: 119.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 436.70ms. Allocated memory is still 155.2MB. Free memory was 119.1MB in the beginning and 119.5MB in the end (delta: -390.8kB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.71ms. Allocated memory is still 155.2MB. Free memory was 119.5MB in the beginning and 117.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.59ms. Allocated memory is still 155.2MB. Free memory was 117.4MB in the beginning and 116.5MB in the end (delta: 933.2kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 573.71ms. Allocated memory is still 155.2MB. Free memory was 116.5MB in the beginning and 99.5MB in the end (delta: 17.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 32473.74ms. Allocated memory was 155.2MB in the beginning and 469.8MB in the end (delta: 314.6MB). Free memory was 99.5MB in the beginning and 258.8MB in the end (delta: -159.3MB). Peak memory consumption was 158.3MB. Max. memory is 16.1GB. * Witness Printer took 59.88ms. Allocated memory is still 469.8MB. Free memory was 258.8MB in the beginning and 255.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-21 22:14:25,899 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d22cf2ca-59c8-42a7-951f-4d215a1b92ee/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