./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-zilu/benchmark05_conjunctive.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_6ef3ad5f-45e4-435f-993e-623a1c78d8b9/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_6ef3ad5f-45e4-435f-993e-623a1c78d8b9/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_6ef3ad5f-45e4-435f-993e-623a1c78d8b9/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_6ef3ad5f-45e4-435f-993e-623a1c78d8b9/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-zilu/benchmark05_conjunctive.i -s /tmp/vcloud-vcloud-master/worker/run_dir_6ef3ad5f-45e4-435f-993e-623a1c78d8b9/bin/ukojak/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_6ef3ad5f-45e4-435f-993e-623a1c78d8b9/bin/ukojak --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 32bit --witnessprinter.graph.data.programhash dc958b9ca44e6df037a80498d8cbf6f2fc13bb26 .............................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 01:30:27,476 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 01:30:27,480 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 01:30:27,536 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 01:30:27,537 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 01:30:27,543 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 01:30:27,546 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 01:30:27,555 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 01:30:27,558 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 01:30:27,570 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 01:30:27,572 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 01:30:27,574 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 01:30:27,574 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 01:30:27,576 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 01:30:27,577 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 01:30:27,579 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 01:30:27,580 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 01:30:27,582 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 01:30:27,594 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 01:30:27,603 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 01:30:27,606 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 01:30:27,608 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 01:30:27,610 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 01:30:27,611 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 01:30:27,615 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 01:30:27,616 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 01:30:27,617 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 01:30:27,618 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 01:30:27,619 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 01:30:27,621 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 01:30:27,621 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 01:30:27,622 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 01:30:27,624 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 01:30:27,625 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 01:30:27,626 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 01:30:27,627 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 01:30:27,628 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 01:30:27,628 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 01:30:27,629 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 01:30:27,630 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 01:30:27,631 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 01:30:27,634 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_6ef3ad5f-45e4-435f-993e-623a1c78d8b9/bin/ukojak/config/svcomp-Overflow-32bit-Kojak_Default.epf [2020-11-30 01:30:27,688 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 01:30:27,689 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 01:30:27,690 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-30 01:30:27,690 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-30 01:30:27,691 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 01:30:27,691 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 01:30:27,692 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 01:30:27,692 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 01:30:27,692 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-30 01:30:27,692 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 01:30:27,692 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 01:30:27,693 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 01:30:27,693 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 01:30:27,693 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 01:30:27,693 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 01:30:27,694 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-11-30 01:30:27,694 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 01:30:27,694 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 01:30:27,694 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 01:30:27,694 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 01:30:27,695 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-30 01:30:27,695 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-30 01:30:27,695 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 01:30:27,695 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 01:30:27,696 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-30 01:30:27,696 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 01:30:27,696 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 01:30:27,696 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 01:30:27,697 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-30 01:30:27,697 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 01:30:27,697 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 01:30:27,697 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-vcloud-master/worker/run_dir_6ef3ad5f-45e4-435f-993e-623a1c78d8b9/bin/ukojak/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_6ef3ad5f-45e4-435f-993e-623a1c78d8b9/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dc958b9ca44e6df037a80498d8cbf6f2fc13bb26 [2020-11-30 01:30:28,054 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 01:30:28,079 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 01:30:28,083 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 01:30:28,084 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 01:30:28,087 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 01:30:28,088 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_6ef3ad5f-45e4-435f-993e-623a1c78d8b9/bin/ukojak/../../sv-benchmarks/c/loop-zilu/benchmark05_conjunctive.i [2020-11-30 01:30:28,175 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6ef3ad5f-45e4-435f-993e-623a1c78d8b9/bin/ukojak/data/45362b4b5/fae682eee3814cc4ba43f4b5fa868e28/FLAGee46c00a6 [2020-11-30 01:30:28,714 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 01:30:28,715 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_6ef3ad5f-45e4-435f-993e-623a1c78d8b9/sv-benchmarks/c/loop-zilu/benchmark05_conjunctive.i [2020-11-30 01:30:28,722 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6ef3ad5f-45e4-435f-993e-623a1c78d8b9/bin/ukojak/data/45362b4b5/fae682eee3814cc4ba43f4b5fa868e28/FLAGee46c00a6 [2020-11-30 01:30:29,090 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_6ef3ad5f-45e4-435f-993e-623a1c78d8b9/bin/ukojak/data/45362b4b5/fae682eee3814cc4ba43f4b5fa868e28 [2020-11-30 01:30:29,093 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 01:30:29,094 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 01:30:29,097 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 01:30:29,097 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 01:30:29,102 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 01:30:29,106 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:30:29" (1/1) ... [2020-11-30 01:30:29,108 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a5bdc0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:30:29, skipping insertion in model container [2020-11-30 01:30:29,108 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:30:29" (1/1) ... [2020-11-30 01:30:29,116 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 01:30:29,133 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 01:30:29,334 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:30:29,347 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 01:30:29,377 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:30:29,404 INFO L208 MainTranslator]: Completed translation [2020-11-30 01:30:29,406 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:30:29 WrapperNode [2020-11-30 01:30:29,406 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 01:30:29,411 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 01:30:29,412 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 01:30:29,415 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 01:30:29,425 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:30:29" (1/1) ... [2020-11-30 01:30:29,438 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:30:29" (1/1) ... [2020-11-30 01:30:29,478 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 01:30:29,479 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 01:30:29,480 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 01:30:29,480 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 01:30:29,492 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:30:29" (1/1) ... [2020-11-30 01:30:29,493 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:30:29" (1/1) ... [2020-11-30 01:30:29,507 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:30:29" (1/1) ... [2020-11-30 01:30:29,508 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:30:29" (1/1) ... [2020-11-30 01:30:29,511 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:30:29" (1/1) ... [2020-11-30 01:30:29,515 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:30:29" (1/1) ... [2020-11-30 01:30:29,516 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:30:29" (1/1) ... [2020-11-30 01:30:29,519 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 01:30:29,520 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 01:30:29,520 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 01:30:29,520 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 01:30:29,522 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:30:29" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6ef3ad5f-45e4-435f-993e-623a1c78d8b9/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-30 01:30:29,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 01:30:29,611 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 01:30:29,611 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 01:30:29,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 01:30:30,043 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 01:30:30,044 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-30 01:30:30,046 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:30:30 BoogieIcfgContainer [2020-11-30 01:30:30,047 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 01:30:30,048 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-30 01:30:30,048 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-30 01:30:30,083 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-30 01:30:30,084 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:30:30" (1/1) ... [2020-11-30 01:30:30,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:30:30,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:30:30,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2020-11-30 01:30:30,144 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2020-11-30 01:30:30,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-11-30 01:30:30,147 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:30:30,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:30:30,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:30:30,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:30:30,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 20 transitions. [2020-11-30 01:30:30,553 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2020-11-30 01:30:30,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-11-30 01:30:30,554 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:30:30,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:30:30,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:30:30,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:30:30,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2020-11-30 01:30:30,838 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2020-11-30 01:30:30,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-11-30 01:30:30,841 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:30:30,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:30:30,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:30:31,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:30:31,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 24 states and 34 transitions. [2020-11-30 01:30:31,483 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 34 transitions. [2020-11-30 01:30:31,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-11-30 01:30:31,484 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:30:31,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:30:31,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:30:32,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:30:32,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 27 states and 41 transitions. [2020-11-30 01:30:32,842 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 41 transitions. [2020-11-30 01:30:32,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-30 01:30:32,843 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:30:32,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:30:32,991 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:30:33,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:30:33,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 28 states and 43 transitions. [2020-11-30 01:30:33,311 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 43 transitions. [2020-11-30 01:30:33,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-30 01:30:33,311 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:30:33,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:30:33,349 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-30 01:30:34,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:30:34,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 35 states and 59 transitions. [2020-11-30 01:30:34,730 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 59 transitions. [2020-11-30 01:30:34,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-30 01:30:34,731 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:30:34,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:30:34,763 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:30:35,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:30:35,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 37 states and 62 transitions. [2020-11-30 01:30:35,179 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 62 transitions. [2020-11-30 01:30:35,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-30 01:30:35,180 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:30:35,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:30:35,415 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:30:36,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:30:36,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2020-11-30 01:30:36,301 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2020-11-30 01:30:36,301 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-30 01:30:36,302 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2020-11-30 01:30:36,310 INFO L765 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2020-11-30 01:30:36,416 INFO L569 CodeCheckObserver]: Invariant with dag size 22 [2020-11-30 01:30:36,427 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 01:30:36,428 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 30.11 01:30:36 ImpRootNode [2020-11-30 01:30:36,428 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-30 01:30:36,429 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 01:30:36,429 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 01:30:36,429 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 01:30:36,430 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:30:30" (3/4) ... [2020-11-30 01:30:36,434 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-30 01:30:36,443 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2020-11-30 01:30:36,443 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-30 01:30:36,444 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 01:30:36,444 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 01:30:36,499 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_6ef3ad5f-45e4-435f-993e-623a1c78d8b9/bin/ukojak/witness.graphml [2020-11-30 01:30:36,499 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 01:30:36,502 INFO L168 Benchmark]: Toolchain (without parser) took 7406.17 ms. Allocated memory was 127.9 MB in the beginning and 186.6 MB in the end (delta: 58.7 MB). Free memory was 100.8 MB in the beginning and 150.1 MB in the end (delta: -49.3 MB). Peak memory consumption was 8.7 MB. Max. memory is 16.1 GB. [2020-11-30 01:30:36,503 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 90.2 MB. Free memory was 48.1 MB in the beginning and 48.1 MB in the end (delta: 76.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:30:36,504 INFO L168 Benchmark]: CACSL2BoogieTranslator took 310.43 ms. Allocated memory is still 127.9 MB. Free memory was 100.8 MB in the beginning and 105.0 MB in the end (delta: -4.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-30 01:30:36,505 INFO L168 Benchmark]: Boogie Procedure Inliner took 67.85 ms. Allocated memory is still 127.9 MB. Free memory was 105.0 MB in the beginning and 103.4 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 01:30:36,506 INFO L168 Benchmark]: Boogie Preprocessor took 39.61 ms. Allocated memory is still 127.9 MB. Free memory was 103.4 MB in the beginning and 102.5 MB in the end (delta: 831.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:30:36,507 INFO L168 Benchmark]: RCFGBuilder took 526.96 ms. Allocated memory is still 127.9 MB. Free memory was 102.5 MB in the beginning and 85.4 MB in the end (delta: 17.1 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2020-11-30 01:30:36,508 INFO L168 Benchmark]: CodeCheck took 6380.51 ms. Allocated memory was 127.9 MB in the beginning and 186.6 MB in the end (delta: 58.7 MB). Free memory was 85.4 MB in the beginning and 153.2 MB in the end (delta: -67.8 MB). Peak memory consumption was 90.0 MB. Max. memory is 16.1 GB. [2020-11-30 01:30:36,510 INFO L168 Benchmark]: Witness Printer took 70.64 ms. Allocated memory is still 186.6 MB. Free memory was 153.2 MB in the beginning and 150.1 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 01:30:36,515 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, 14 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 6.1s, OverallIterations: 9, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 SDtfs, 1038 SDslu, 512 SDs, 0 SdLazy, 8592 SolverSat, 2450 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 654 GetRequests, 515 SyntacticMatches, 25 SemanticMatches, 114 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5192 ImplicationChecksByTransitivity, 5.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 67 NumberOfCodeBlocks, 67 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 59 ConstructedInterpolants, 0 QuantifiedInterpolants, 1695 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 6 PerfectInterpolantSequences, 7/13 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: 26]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 25]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 26]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 25]: 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: 24]: Loop Invariant Derived loop invariant: ((((x <= 2147483646 && 0 <= x) && n + y <= x + 2147483647) && 2147483646 < y) || (2147483646 < x && n <= 2147483647)) || (((0 <= y + 2147483648 && 0 <= x) && n <= 2147483647) && y <= 2147483646) - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 90.2 MB. Free memory was 48.1 MB in the beginning and 48.1 MB in the end (delta: 76.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 310.43 ms. Allocated memory is still 127.9 MB. Free memory was 100.8 MB in the beginning and 105.0 MB in the end (delta: -4.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 67.85 ms. Allocated memory is still 127.9 MB. Free memory was 105.0 MB in the beginning and 103.4 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 39.61 ms. Allocated memory is still 127.9 MB. Free memory was 103.4 MB in the beginning and 102.5 MB in the end (delta: 831.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 526.96 ms. Allocated memory is still 127.9 MB. Free memory was 102.5 MB in the beginning and 85.4 MB in the end (delta: 17.1 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * CodeCheck took 6380.51 ms. Allocated memory was 127.9 MB in the beginning and 186.6 MB in the end (delta: 58.7 MB). Free memory was 85.4 MB in the beginning and 153.2 MB in the end (delta: -67.8 MB). Peak memory consumption was 90.0 MB. Max. memory is 16.1 GB. * Witness Printer took 70.64 ms. Allocated memory is still 186.6 MB. Free memory was 153.2 MB in the beginning and 150.1 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...