./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/cstrpbrk.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76f350f4-951a-4746-b640-dbfe8198f0b7/bin/ukojak-d1pc8ZmBRL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76f350f4-951a-4746-b640-dbfe8198f0b7/bin/ukojak-d1pc8ZmBRL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76f350f4-951a-4746-b640-dbfe8198f0b7/bin/ukojak-d1pc8ZmBRL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76f350f4-951a-4746-b640-dbfe8198f0b7/bin/ukojak-d1pc8ZmBRL/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/cstrpbrk.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76f350f4-951a-4746-b640-dbfe8198f0b7/bin/ukojak-d1pc8ZmBRL/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76f350f4-951a-4746-b640-dbfe8198f0b7/bin/ukojak-d1pc8ZmBRL --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 905898d576dbb9521171e998174a24819933fa88ed72107c9a2c3094e7696cea --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 07:51:02,534 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 07:51:02,537 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 07:51:02,595 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 07:51:02,596 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 07:51:02,600 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 07:51:02,602 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 07:51:02,606 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 07:51:02,609 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 07:51:02,614 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 07:51:02,616 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 07:51:02,618 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 07:51:02,618 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 07:51:02,621 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 07:51:02,623 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 07:51:02,628 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 07:51:02,630 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 07:51:02,631 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 07:51:02,633 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 07:51:02,641 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 07:51:02,643 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 07:51:02,645 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 07:51:02,648 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 07:51:02,649 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 07:51:02,659 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 07:51:02,659 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 07:51:02,660 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 07:51:02,662 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 07:51:02,663 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 07:51:02,664 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 07:51:02,665 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 07:51:02,666 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 07:51:02,668 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 07:51:02,670 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 07:51:02,671 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 07:51:02,672 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 07:51:02,673 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 07:51:02,673 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 07:51:02,673 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 07:51:02,674 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 07:51:02,675 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 07:51:02,676 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76f350f4-951a-4746-b640-dbfe8198f0b7/bin/ukojak-d1pc8ZmBRL/config/svcomp-Overflow-64bit-Kojak_Default.epf [2021-11-25 07:51:02,715 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 07:51:02,715 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 07:51:02,716 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 07:51:02,716 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-25 07:51:02,717 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-25 07:51:02,717 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-25 07:51:02,718 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 07:51:02,718 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-25 07:51:02,718 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 07:51:02,718 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 07:51:02,719 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 07:51:02,719 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 07:51:02,719 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 07:51:02,719 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-25 07:51:02,720 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 07:51:02,720 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 07:51:02,720 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 07:51:02,720 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-25 07:51:02,721 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-25 07:51:02,721 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 07:51:02,721 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-25 07:51:02,721 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 07:51:02,722 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 07:51:02,722 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 07:51:02,722 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-25 07:51:02,722 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 07:51:02,723 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 07:51:02,723 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_76f350f4-951a-4746-b640-dbfe8198f0b7/bin/ukojak-d1pc8ZmBRL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76f350f4-951a-4746-b640-dbfe8198f0b7/bin/ukojak-d1pc8ZmBRL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 905898d576dbb9521171e998174a24819933fa88ed72107c9a2c3094e7696cea [2021-11-25 07:51:03,026 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 07:51:03,052 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 07:51:03,055 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 07:51:03,057 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 07:51:03,058 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 07:51:03,059 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76f350f4-951a-4746-b640-dbfe8198f0b7/bin/ukojak-d1pc8ZmBRL/../../sv-benchmarks/c/termination-crafted-lit/cstrpbrk.c [2021-11-25 07:51:03,139 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76f350f4-951a-4746-b640-dbfe8198f0b7/bin/ukojak-d1pc8ZmBRL/data/1ffe53979/25375d0004f641e3a6b4c46c559f1035/FLAGf62667526 [2021-11-25 07:51:03,694 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 07:51:03,695 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76f350f4-951a-4746-b640-dbfe8198f0b7/sv-benchmarks/c/termination-crafted-lit/cstrpbrk.c [2021-11-25 07:51:03,706 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76f350f4-951a-4746-b640-dbfe8198f0b7/bin/ukojak-d1pc8ZmBRL/data/1ffe53979/25375d0004f641e3a6b4c46c559f1035/FLAGf62667526 [2021-11-25 07:51:04,083 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76f350f4-951a-4746-b640-dbfe8198f0b7/bin/ukojak-d1pc8ZmBRL/data/1ffe53979/25375d0004f641e3a6b4c46c559f1035 [2021-11-25 07:51:04,088 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 07:51:04,089 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 07:51:04,092 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 07:51:04,093 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 07:51:04,096 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 07:51:04,097 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:51:04" (1/1) ... [2021-11-25 07:51:04,100 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d86cc5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:51:04, skipping insertion in model container [2021-11-25 07:51:04,100 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:51:04" (1/1) ... [2021-11-25 07:51:04,107 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 07:51:04,122 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 07:51:04,301 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 07:51:04,308 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 07:51:04,325 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 07:51:04,339 INFO L208 MainTranslator]: Completed translation [2021-11-25 07:51:04,339 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:51:04 WrapperNode [2021-11-25 07:51:04,340 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 07:51:04,341 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 07:51:04,341 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 07:51:04,341 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 07:51:04,349 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:51:04" (1/1) ... [2021-11-25 07:51:04,356 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:51:04" (1/1) ... [2021-11-25 07:51:04,392 INFO L137 Inliner]: procedures = 11, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 59 [2021-11-25 07:51:04,392 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 07:51:04,395 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 07:51:04,395 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 07:51:04,395 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 07:51:04,402 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:51:04" (1/1) ... [2021-11-25 07:51:04,402 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:51:04" (1/1) ... [2021-11-25 07:51:04,404 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:51:04" (1/1) ... [2021-11-25 07:51:04,404 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:51:04" (1/1) ... [2021-11-25 07:51:04,409 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:51:04" (1/1) ... [2021-11-25 07:51:04,413 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:51:04" (1/1) ... [2021-11-25 07:51:04,415 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:51:04" (1/1) ... [2021-11-25 07:51:04,417 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 07:51:04,418 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 07:51:04,418 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 07:51:04,418 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 07:51:04,419 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:51:04" (1/1) ... [2021-11-25 07:51:04,435 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-25 07:51:04,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76f350f4-951a-4746-b640-dbfe8198f0b7/bin/ukojak-d1pc8ZmBRL/z3 [2021-11-25 07:51:04,462 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76f350f4-951a-4746-b640-dbfe8198f0b7/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-25 07:51:04,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76f350f4-951a-4746-b640-dbfe8198f0b7/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-25 07:51:04,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 07:51:04,510 INFO L130 BoogieDeclarations]: Found specification of procedure build_nondet_String [2021-11-25 07:51:04,511 INFO L138 BoogieDeclarations]: Found implementation of procedure build_nondet_String [2021-11-25 07:51:04,511 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 07:51:04,511 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 07:51:04,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 07:51:04,512 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 07:51:04,586 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 07:51:04,588 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 07:51:04,737 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 07:51:04,781 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 07:51:04,782 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-25 07:51:04,787 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:51:04 BoogieIcfgContainer [2021-11-25 07:51:04,787 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 07:51:04,788 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-25 07:51:04,788 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-25 07:51:04,798 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-25 07:51:04,799 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:51:04" (1/1) ... [2021-11-25 07:51:04,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 07:51:04,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:51:04,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 24 transitions. [2021-11-25 07:51:04,868 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2021-11-25 07:51:04,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-25 07:51:04,870 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:51:04,871 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:51:04,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:51:05,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:51:05,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:51:05,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 18 states and 23 transitions. [2021-11-25 07:51:05,125 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 23 transitions. [2021-11-25 07:51:05,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-25 07:51:05,137 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:51:05,138 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:51:05,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:51:05,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:51:05,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:51:05,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 22 transitions. [2021-11-25 07:51:05,284 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2021-11-25 07:51:05,285 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-25 07:51:05,285 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 3 iterations. [2021-11-25 07:51:05,295 INFO L754 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2021-11-25 07:51:05,326 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-25 07:51:05,330 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-25 07:51:05,331 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-25 07:51:05,331 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 07:51:05 ImpRootNode [2021-11-25 07:51:05,331 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-25 07:51:05,335 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-25 07:51:05,335 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-25 07:51:05,335 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-25 07:51:05,336 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:51:04" (3/4) ... [2021-11-25 07:51:05,340 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-25 07:51:05,346 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure build_nondet_String [2021-11-25 07:51:05,357 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2021-11-25 07:51:05,357 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-11-25 07:51:05,357 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-25 07:51:05,358 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-25 07:51:05,421 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76f350f4-951a-4746-b640-dbfe8198f0b7/bin/ukojak-d1pc8ZmBRL/witness.graphml [2021-11-25 07:51:05,422 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-25 07:51:05,422 INFO L158 Benchmark]: Toolchain (without parser) took 1333.29ms. Allocated memory was 88.1MB in the beginning and 115.3MB in the end (delta: 27.3MB). Free memory was 61.2MB in the beginning and 58.2MB in the end (delta: 3.0MB). Peak memory consumption was 27.5MB. Max. memory is 16.1GB. [2021-11-25 07:51:05,423 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 88.1MB. Free memory is still 41.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 07:51:05,424 INFO L158 Benchmark]: CACSL2BoogieTranslator took 247.77ms. Allocated memory was 88.1MB in the beginning and 115.3MB in the end (delta: 27.3MB). Free memory was 61.0MB in the beginning and 91.8MB in the end (delta: -30.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-25 07:51:05,424 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.33ms. Allocated memory is still 115.3MB. Free memory was 91.4MB in the beginning and 90.1MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-25 07:51:05,425 INFO L158 Benchmark]: Boogie Preprocessor took 21.92ms. Allocated memory is still 115.3MB. Free memory was 90.1MB in the beginning and 88.8MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-25 07:51:05,425 INFO L158 Benchmark]: RCFGBuilder took 369.92ms. Allocated memory is still 115.3MB. Free memory was 88.8MB in the beginning and 77.1MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-25 07:51:05,426 INFO L158 Benchmark]: CodeCheck took 543.22ms. Allocated memory is still 115.3MB. Free memory was 77.1MB in the beginning and 61.2MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-11-25 07:51:05,426 INFO L158 Benchmark]: Witness Printer took 87.02ms. Allocated memory is still 115.3MB. Free memory was 61.2MB in the beginning and 58.2MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-25 07:51:05,429 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 2 procedures, 19 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 15 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3 mSDsluCounter, 6 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 21 IncrementalHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 6 mSDtfsCounter, 21 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 56 GetRequests, 50 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, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 13 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: 18]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 18]: 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: 34]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 31]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 26]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 88.1MB. Free memory is still 41.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 247.77ms. Allocated memory was 88.1MB in the beginning and 115.3MB in the end (delta: 27.3MB). Free memory was 61.0MB in the beginning and 91.8MB in the end (delta: -30.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.33ms. Allocated memory is still 115.3MB. Free memory was 91.4MB in the beginning and 90.1MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.92ms. Allocated memory is still 115.3MB. Free memory was 90.1MB in the beginning and 88.8MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 369.92ms. Allocated memory is still 115.3MB. Free memory was 88.8MB in the beginning and 77.1MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 543.22ms. Allocated memory is still 115.3MB. Free memory was 77.1MB in the beginning and 61.2MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 87.02ms. Allocated memory is still 115.3MB. Free memory was 61.2MB in the beginning and 58.2MB 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! [2021-11-25 07:51:05,484 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_76f350f4-951a-4746-b640-dbfe8198f0b7/bin/ukojak-d1pc8ZmBRL/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