./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/signedintegeroverflow-regression/IntegerPromotion-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_cd34ad9d-6aba-415c-b634-82b2f56729a3/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_cd34ad9d-6aba-415c-b634-82b2f56729a3/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_cd34ad9d-6aba-415c-b634-82b2f56729a3/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_cd34ad9d-6aba-415c-b634-82b2f56729a3/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/signedintegeroverflow-regression/IntegerPromotion-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_cd34ad9d-6aba-415c-b634-82b2f56729a3/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_cd34ad9d-6aba-415c-b634-82b2f56729a3/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 64bit --witnessprinter.graph.data.programhash 2ecc737c5af1d503eeeb325d3c287e7ad2d57d21 .......................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 16:46:33,418 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 16:46:33,421 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 16:46:33,502 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 16:46:33,509 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 16:46:33,515 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 16:46:33,520 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 16:46:33,525 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 16:46:33,532 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 16:46:33,540 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 16:46:33,542 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 16:46:33,546 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 16:46:33,547 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 16:46:33,551 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 16:46:33,553 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 16:46:33,555 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 16:46:33,557 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 16:46:33,559 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 16:46:33,566 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 16:46:33,574 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 16:46:33,577 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 16:46:33,578 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 16:46:33,581 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 16:46:33,583 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 16:46:33,590 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 16:46:33,590 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 16:46:33,591 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 16:46:33,594 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 16:46:33,595 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 16:46:33,596 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 16:46:33,597 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 16:46:33,598 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 16:46:33,600 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 16:46:33,602 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 16:46:33,603 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 16:46:33,604 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 16:46:33,605 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 16:46:33,605 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 16:46:33,606 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 16:46:33,607 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 16:46:33,608 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 16:46:33,611 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_cd34ad9d-6aba-415c-b634-82b2f56729a3/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2020-12-01 16:46:33,658 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 16:46:33,659 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 16:46:33,661 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 16:46:33,661 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 16:46:33,662 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 16:46:33,662 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 16:46:33,663 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 16:46:33,663 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-01 16:46:33,663 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 16:46:33,663 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 16:46:33,665 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 16:46:33,665 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 16:46:33,666 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 16:46:33,666 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-12-01 16:46:33,666 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 16:46:33,666 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 16:46:33,667 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 16:46:33,667 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 16:46:33,667 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 16:46:33,668 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 16:46:33,668 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 16:46:33,668 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 16:46:33,668 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 16:46:33,669 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 16:46:33,669 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 16:46:33,669 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 16:46:33,669 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 16:46:33,670 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 16:46:33,670 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_cd34ad9d-6aba-415c-b634-82b2f56729a3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_cd34ad9d-6aba-415c-b634-82b2f56729a3/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2ecc737c5af1d503eeeb325d3c287e7ad2d57d21 [2020-12-01 16:46:33,974 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 16:46:34,014 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 16:46:34,022 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 16:46:34,023 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 16:46:34,025 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 16:46:34,026 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_cd34ad9d-6aba-415c-b634-82b2f56729a3/bin/ukojak/../../sv-benchmarks/c/signedintegeroverflow-regression/IntegerPromotion-1.i [2020-12-01 16:46:34,100 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_cd34ad9d-6aba-415c-b634-82b2f56729a3/bin/ukojak/data/696859dc2/231e18ed5c324ea88520fb984a7fc0ef/FLAG8e3cb4725 [2020-12-01 16:46:34,675 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 16:46:34,676 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_cd34ad9d-6aba-415c-b634-82b2f56729a3/sv-benchmarks/c/signedintegeroverflow-regression/IntegerPromotion-1.i [2020-12-01 16:46:34,687 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_cd34ad9d-6aba-415c-b634-82b2f56729a3/bin/ukojak/data/696859dc2/231e18ed5c324ea88520fb984a7fc0ef/FLAG8e3cb4725 [2020-12-01 16:46:34,925 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_cd34ad9d-6aba-415c-b634-82b2f56729a3/bin/ukojak/data/696859dc2/231e18ed5c324ea88520fb984a7fc0ef [2020-12-01 16:46:34,928 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 16:46:34,932 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 16:46:34,935 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 16:46:34,936 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 16:46:34,941 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 16:46:34,942 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:46:34" (1/1) ... [2020-12-01 16:46:34,945 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2953d41c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:46:34, skipping insertion in model container [2020-12-01 16:46:34,945 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:46:34" (1/1) ... [2020-12-01 16:46:34,953 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 16:46:35,002 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 16:46:35,310 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:46:35,326 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 16:46:35,389 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:46:35,445 INFO L208 MainTranslator]: Completed translation [2020-12-01 16:46:35,446 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:46:35 WrapperNode [2020-12-01 16:46:35,447 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 16:46:35,450 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 16:46:35,450 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 16:46:35,450 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 16:46:35,459 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:46:35" (1/1) ... [2020-12-01 16:46:35,486 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:46:35" (1/1) ... [2020-12-01 16:46:35,506 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 16:46:35,510 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 16:46:35,510 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 16:46:35,511 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 16:46:35,520 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:46:35" (1/1) ... [2020-12-01 16:46:35,520 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:46:35" (1/1) ... [2020-12-01 16:46:35,529 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:46:35" (1/1) ... [2020-12-01 16:46:35,529 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:46:35" (1/1) ... [2020-12-01 16:46:35,544 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:46:35" (1/1) ... [2020-12-01 16:46:35,545 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:46:35" (1/1) ... [2020-12-01 16:46:35,546 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:46:35" (1/1) ... [2020-12-01 16:46:35,548 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 16:46:35,556 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 16:46:35,557 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 16:46:35,557 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 16:46:35,558 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:46:35" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cd34ad9d-6aba-415c-b634-82b2f56729a3/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 [2020-12-01 16:46:35,647 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 16:46:35,647 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 16:46:35,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 16:46:35,888 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 16:46:35,889 INFO L298 CfgBuilder]: Removed 4 assume(true) statements. [2020-12-01 16:46:35,891 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:46:35 BoogieIcfgContainer [2020-12-01 16:46:35,891 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 16:46:35,892 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 16:46:35,892 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 16:46:35,907 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 16:46:35,907 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:46:35" (1/1) ... [2020-12-01 16:46:35,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 16:46:35,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:46:35,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 10 states and 9 transitions. [2020-12-01 16:46:35,980 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 9 transitions. [2020-12-01 16:46:35,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2020-12-01 16:46:35,982 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:46:36,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:46:36,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:46:36,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:46:36,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 9 states and 8 transitions. [2020-12-01 16:46:36,212 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 8 transitions. [2020-12-01 16:46:36,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-12-01 16:46:36,212 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:46:36,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:46:36,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:46:36,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:46:36,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 8 states and 7 transitions. [2020-12-01 16:46:36,364 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 7 transitions. [2020-12-01 16:46:36,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-12-01 16:46:36,364 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:46:36,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:46:36,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:46:36,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:46:36,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 7 states and 6 transitions. [2020-12-01 16:46:36,404 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 6 transitions. [2020-12-01 16:46:36,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-12-01 16:46:36,405 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:46:36,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:46:36,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:46:36,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:46:36,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 6 states and 5 transitions. [2020-12-01 16:46:36,447 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 5 transitions. [2020-12-01 16:46:36,447 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 16:46:36,447 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2020-12-01 16:46:36,454 INFO L765 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2020-12-01 16:46:36,480 INFO L569 CodeCheckObserver]: Invariant with dag size 3 [2020-12-01 16:46:36,494 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 04:46:36 ImpRootNode [2020-12-01 16:46:36,494 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 16:46:36,496 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 16:46:36,496 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 16:46:36,496 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 16:46:36,497 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:46:35" (3/4) ... [2020-12-01 16:46:36,500 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 16:46:36,510 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2020-12-01 16:46:36,510 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2020-12-01 16:46:36,511 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-01 16:46:36,554 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_cd34ad9d-6aba-415c-b634-82b2f56729a3/bin/ukojak/witness.graphml [2020-12-01 16:46:36,555 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 16:46:36,557 INFO L168 Benchmark]: Toolchain (without parser) took 1624.01 ms. Allocated memory was 117.4 MB in the beginning and 159.4 MB in the end (delta: 41.9 MB). Free memory was 91.5 MB in the beginning and 122.8 MB in the end (delta: -31.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-01 16:46:36,558 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 117.4 MB. Free memory is still 77.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 16:46:36,559 INFO L168 Benchmark]: CACSL2BoogieTranslator took 512.13 ms. Allocated memory is still 117.4 MB. Free memory was 91.2 MB in the beginning and 84.9 MB in the end (delta: 6.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-01 16:46:36,559 INFO L168 Benchmark]: Boogie Procedure Inliner took 58.48 ms. Allocated memory is still 117.4 MB. Free memory was 84.9 MB in the beginning and 83.2 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 16:46:36,560 INFO L168 Benchmark]: Boogie Preprocessor took 45.39 ms. Allocated memory is still 117.4 MB. Free memory was 83.2 MB in the beginning and 82.4 MB in the end (delta: 807.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 16:46:36,561 INFO L168 Benchmark]: RCFGBuilder took 335.03 ms. Allocated memory is still 117.4 MB. Free memory was 82.4 MB in the beginning and 70.2 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-12-01 16:46:36,562 INFO L168 Benchmark]: CodeCheck took 602.23 ms. Allocated memory was 117.4 MB in the beginning and 159.4 MB in the end (delta: 41.9 MB). Free memory was 69.8 MB in the beginning and 124.9 MB in the end (delta: -55.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 16:46:36,562 INFO L168 Benchmark]: Witness Printer took 58.99 ms. Allocated memory is still 159.4 MB. Free memory was 124.9 MB in the beginning and 122.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 16:46:36,566 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, 10 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.5s, OverallIterations: 5, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 SDtfs, 54 SDslu, 0 SDs, 0 SdLazy, 164 SolverSat, 38 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 84 GetRequests, 75 SyntacticMatches, 3 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 14 NumberOfCodeBlocks, 14 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 90 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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: 333]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 333]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 333]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 333]: 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: 333]: Loop Invariant Derived loop invariant: 32767 <= a * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 117.4 MB. Free memory is still 77.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 512.13 ms. Allocated memory is still 117.4 MB. Free memory was 91.2 MB in the beginning and 84.9 MB in the end (delta: 6.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 58.48 ms. Allocated memory is still 117.4 MB. Free memory was 84.9 MB in the beginning and 83.2 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 45.39 ms. Allocated memory is still 117.4 MB. Free memory was 83.2 MB in the beginning and 82.4 MB in the end (delta: 807.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 335.03 ms. Allocated memory is still 117.4 MB. Free memory was 82.4 MB in the beginning and 70.2 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * CodeCheck took 602.23 ms. Allocated memory was 117.4 MB in the beginning and 159.4 MB in the end (delta: 41.9 MB). Free memory was 69.8 MB in the beginning and 124.9 MB in the end (delta: -55.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 58.99 ms. Allocated memory is still 159.4 MB. Free memory was 124.9 MB in the beginning and 122.8 MB in the end (delta: 2.1 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...