./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted/TelAviv-Amir-Minimum_true-no-overflow_true-termination_true-valid-memsafety.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_35328829-4b93-4377-ac4a-e112f3881589/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_35328829-4b93-4377-ac4a-e112f3881589/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_35328829-4b93-4377-ac4a-e112f3881589/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_35328829-4b93-4377-ac4a-e112f3881589/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted/TelAviv-Amir-Minimum_true-no-overflow_true-termination_true-valid-memsafety.c -s /tmp/vcloud-vcloud-master/worker/working_dir_35328829-4b93-4377-ac4a-e112f3881589/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_35328829-4b93-4377-ac4a-e112f3881589/bin-2019/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 687269bb6882b72a3d48999f1e5c55a1d5283a94 ...................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 01:55:32,561 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 01:55:32,562 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 01:55:32,569 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 01:55:32,569 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 01:55:32,570 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 01:55:32,570 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 01:55:32,571 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 01:55:32,572 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 01:55:32,573 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 01:55:32,573 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 01:55:32,574 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 01:55:32,574 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 01:55:32,575 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 01:55:32,576 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 01:55:32,576 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 01:55:32,577 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 01:55:32,578 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 01:55:32,579 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 01:55:32,581 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 01:55:32,581 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 01:55:32,582 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 01:55:32,584 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 01:55:32,584 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 01:55:32,584 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 01:55:32,585 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 01:55:32,585 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 01:55:32,586 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 01:55:32,587 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 01:55:32,587 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 01:55:32,587 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 01:55:32,588 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 01:55:32,588 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 01:55:32,588 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 01:55:32,589 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 01:55:32,589 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 01:55:32,589 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_35328829-4b93-4377-ac4a-e112f3881589/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2018-12-09 01:55:32,600 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 01:55:32,600 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 01:55:32,600 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 01:55:32,601 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-09 01:55:32,601 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 01:55:32,601 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 01:55:32,601 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 01:55:32,602 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-09 01:55:32,602 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 01:55:32,602 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 01:55:32,602 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 01:55:32,602 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 01:55:32,602 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 01:55:32,602 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-12-09 01:55:32,602 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 01:55:32,602 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 01:55:32,602 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 01:55:32,602 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-09 01:55:32,603 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-09 01:55:32,603 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 01:55:32,603 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 01:55:32,603 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 01:55:32,603 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 01:55:32,603 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 01:55:32,603 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 01:55:32,603 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-09 01:55:32,603 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 01:55:32,604 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 01:55:32,604 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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/working_dir_35328829-4b93-4377-ac4a-e112f3881589/bin-2019/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 -> 687269bb6882b72a3d48999f1e5c55a1d5283a94 [2018-12-09 01:55:32,626 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 01:55:32,635 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 01:55:32,638 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 01:55:32,639 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 01:55:32,639 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 01:55:32,640 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_35328829-4b93-4377-ac4a-e112f3881589/bin-2019/ukojak/../../sv-benchmarks/c/termination-crafted/TelAviv-Amir-Minimum_true-no-overflow_true-termination_true-valid-memsafety.c [2018-12-09 01:55:32,679 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_35328829-4b93-4377-ac4a-e112f3881589/bin-2019/ukojak/data/8e96ecd96/c9f09e5ec0614971bdb26ce1435a27c2/FLAGc1790f227 [2018-12-09 01:55:33,068 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 01:55:33,068 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_35328829-4b93-4377-ac4a-e112f3881589/sv-benchmarks/c/termination-crafted/TelAviv-Amir-Minimum_true-no-overflow_true-termination_true-valid-memsafety.c [2018-12-09 01:55:33,072 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_35328829-4b93-4377-ac4a-e112f3881589/bin-2019/ukojak/data/8e96ecd96/c9f09e5ec0614971bdb26ce1435a27c2/FLAGc1790f227 [2018-12-09 01:55:33,080 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_35328829-4b93-4377-ac4a-e112f3881589/bin-2019/ukojak/data/8e96ecd96/c9f09e5ec0614971bdb26ce1435a27c2 [2018-12-09 01:55:33,082 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 01:55:33,083 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 01:55:33,083 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 01:55:33,083 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 01:55:33,085 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 01:55:33,086 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 01:55:33" (1/1) ... [2018-12-09 01:55:33,087 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42aa496 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:55:33, skipping insertion in model container [2018-12-09 01:55:33,088 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 01:55:33" (1/1) ... [2018-12-09 01:55:33,092 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 01:55:33,101 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 01:55:33,183 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 01:55:33,185 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 01:55:33,195 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 01:55:33,203 INFO L195 MainTranslator]: Completed translation [2018-12-09 01:55:33,203 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:55:33 WrapperNode [2018-12-09 01:55:33,203 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 01:55:33,204 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 01:55:33,204 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 01:55:33,204 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 01:55:33,209 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:55:33" (1/1) ... [2018-12-09 01:55:33,212 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:55:33" (1/1) ... [2018-12-09 01:55:33,222 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 01:55:33,222 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 01:55:33,222 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 01:55:33,222 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 01:55:33,228 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:55:33" (1/1) ... [2018-12-09 01:55:33,228 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:55:33" (1/1) ... [2018-12-09 01:55:33,228 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:55:33" (1/1) ... [2018-12-09 01:55:33,228 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:55:33" (1/1) ... [2018-12-09 01:55:33,230 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:55:33" (1/1) ... [2018-12-09 01:55:33,232 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:55:33" (1/1) ... [2018-12-09 01:55:33,233 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:55:33" (1/1) ... [2018-12-09 01:55:33,233 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 01:55:33,234 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 01:55:33,234 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 01:55:33,234 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 01:55:33,234 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:55:33" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_35328829-4b93-4377-ac4a-e112f3881589/bin-2019/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 [2018-12-09 01:55:33,301 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 01:55:33,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 01:55:33,399 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 01:55:33,399 INFO L280 CfgBuilder]: Removed 5 assue(true) statements. [2018-12-09 01:55:33,399 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 01:55:33 BoogieIcfgContainer [2018-12-09 01:55:33,399 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 01:55:33,400 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-09 01:55:33,400 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-09 01:55:33,406 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-09 01:55:33,406 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 01:55:33" (1/1) ... [2018-12-09 01:55:33,413 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 01:55:33,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:55:33,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 24 states and 27 transitions. [2018-12-09 01:55:33,433 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2018-12-09 01:55:33,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-09 01:55:33,435 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:55:33,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:55:33,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 01:55:33,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:55:33,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2018-12-09 01:55:33,542 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2018-12-09 01:55:33,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-09 01:55:33,543 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:55:33,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:55:33,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 01:55:33,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:55:33,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 32 states and 43 transitions. [2018-12-09 01:55:33,612 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 43 transitions. [2018-12-09 01:55:33,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-09 01:55:33,612 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:55:33,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:55:33,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 01:55:33,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:55:33,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 34 states and 46 transitions. [2018-12-09 01:55:33,637 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 46 transitions. [2018-12-09 01:55:33,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-09 01:55:33,637 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:55:33,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:55:33,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 01:55:33,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:55:33,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 36 states and 49 transitions. [2018-12-09 01:55:33,657 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 49 transitions. [2018-12-09 01:55:33,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-09 01:55:33,657 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:55:33,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:55:33,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 01:55:33,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:55:33,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 38 states and 52 transitions. [2018-12-09 01:55:33,754 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 52 transitions. [2018-12-09 01:55:33,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-09 01:55:33,754 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:55:33,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:55:33,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 01:55:33,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:55:33,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 40 states and 55 transitions. [2018-12-09 01:55:33,852 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 55 transitions. [2018-12-09 01:55:33,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-09 01:55:33,853 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:55:33,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:55:33,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 01:55:33,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:55:33,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 42 states and 58 transitions. [2018-12-09 01:55:33,873 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 58 transitions. [2018-12-09 01:55:33,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-09 01:55:33,874 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:55:33,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:55:33,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 01:55:33,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:55:33,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 44 states and 61 transitions. [2018-12-09 01:55:33,900 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 61 transitions. [2018-12-09 01:55:33,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-09 01:55:33,902 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:55:33,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:55:33,923 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 01:55:33,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:55:33,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 45 states and 62 transitions. [2018-12-09 01:55:33,961 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 62 transitions. [2018-12-09 01:55:33,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-09 01:55:33,962 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:55:33,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:55:33,980 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 01:55:34,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:55:34,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 26 states and 34 transitions. [2018-12-09 01:55:34,017 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 34 transitions. [2018-12-09 01:55:34,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-09 01:55:34,018 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:55:34,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:55:34,029 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-09 01:55:34,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:55:34,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 23 states and 30 transitions. [2018-12-09 01:55:34,089 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions. [2018-12-09 01:55:34,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-09 01:55:34,090 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:55:34,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:55:34,101 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-09 01:55:34,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:55:34,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 20 states and 26 transitions. [2018-12-09 01:55:34,107 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2018-12-09 01:55:34,107 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 01:55:34,108 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 13 iterations. [2018-12-09 01:55:34,113 INFO L779 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2018-12-09 01:55:34,196 INFO L583 CodeCheckObserver]: Invariant with dag size 3 [2018-12-09 01:55:34,202 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.12 01:55:34 ImpRootNode [2018-12-09 01:55:34,202 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-09 01:55:34,202 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 01:55:34,202 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 01:55:34,203 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 01:55:34,203 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 01:55:33" (3/4) ... [2018-12-09 01:55:34,205 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 01:55:34,211 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-09 01:55:34,211 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-09 01:55:34,212 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 01:55:34,244 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_35328829-4b93-4377-ac4a-e112f3881589/bin-2019/ukojak/witness.graphml [2018-12-09 01:55:34,245 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 01:55:34,245 INFO L168 Benchmark]: Toolchain (without parser) took 1163.02 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.8 MB). Free memory was 954.4 MB in the beginning and 928.4 MB in the end (delta: 26.0 MB). Peak memory consumption was 129.8 MB. Max. memory is 11.5 GB. [2018-12-09 01:55:34,246 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 01:55:34,247 INFO L168 Benchmark]: CACSL2BoogieTranslator took 120.24 ms. Allocated memory is still 1.0 GB. Free memory was 954.4 MB in the beginning and 942.6 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. [2018-12-09 01:55:34,247 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.37 ms. Allocated memory is still 1.0 GB. Free memory is still 942.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 01:55:34,247 INFO L168 Benchmark]: Boogie Preprocessor took 11.13 ms. Allocated memory is still 1.0 GB. Free memory was 942.6 MB in the beginning and 939.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-09 01:55:34,248 INFO L168 Benchmark]: RCFGBuilder took 165.94 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.8 MB). Free memory was 939.9 MB in the beginning and 1.1 GB in the end (delta: -147.4 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. [2018-12-09 01:55:34,248 INFO L168 Benchmark]: CodeCheck took 802.40 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 931.1 MB in the end (delta: 156.2 MB). Peak memory consumption was 156.2 MB. Max. memory is 11.5 GB. [2018-12-09 01:55:34,249 INFO L168 Benchmark]: Witness Printer took 42.36 ms. Allocated memory is still 1.1 GB. Free memory was 931.1 MB in the beginning and 928.4 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-09 01:55:34,250 INFO L336 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, 27 locations, 8 error locations. SAFE Result, 0.6s OverallTime, 13 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 12288 SDtfs, 32688 SDslu, 23084 SDs, 0 SdLazy, 95840 SolverSat, 17676 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 762 GetRequests, 706 SyntacticMatches, 20 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 496 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 90 NumberOfCodeBlocks, 90 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 78 ConstructedInterpolants, 0 QuantifiedInterpolants, 1310 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 11/11 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 27]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 27]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: x <= 2147483647 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 120.24 ms. Allocated memory is still 1.0 GB. Free memory was 954.4 MB in the beginning and 942.6 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 18.37 ms. Allocated memory is still 1.0 GB. Free memory is still 942.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 11.13 ms. Allocated memory is still 1.0 GB. Free memory was 942.6 MB in the beginning and 939.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 165.94 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.8 MB). Free memory was 939.9 MB in the beginning and 1.1 GB in the end (delta: -147.4 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. * CodeCheck took 802.40 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 931.1 MB in the end (delta: 156.2 MB). Peak memory consumption was 156.2 MB. Max. memory is 11.5 GB. * Witness Printer took 42.36 ms. Allocated memory is still 1.1 GB. Free memory was 931.1 MB in the beginning and 928.4 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...