./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_edae0486-7dc1-4966-b029-ab4f92fad927/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_edae0486-7dc1-4966-b029-ab4f92fad927/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_edae0486-7dc1-4966-b029-ab4f92fad927/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_edae0486-7dc1-4966-b029-ab4f92fad927/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_edae0486-7dc1-4966-b029-ab4f92fad927/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_edae0486-7dc1-4966-b029-ab4f92fad927/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 [2018-12-01 18:45:27,241 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 18:45:27,242 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 18:45:27,250 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 18:45:27,250 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 18:45:27,251 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 18:45:27,251 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 18:45:27,252 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 18:45:27,253 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 18:45:27,253 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 18:45:27,254 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 18:45:27,254 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 18:45:27,255 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 18:45:27,255 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 18:45:27,255 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 18:45:27,256 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 18:45:27,256 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 18:45:27,257 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 18:45:27,258 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 18:45:27,259 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 18:45:27,260 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 18:45:27,260 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 18:45:27,261 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 18:45:27,262 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 18:45:27,262 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 18:45:27,262 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 18:45:27,263 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 18:45:27,263 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 18:45:27,263 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 18:45:27,264 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 18:45:27,264 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 18:45:27,265 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 18:45:27,265 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 18:45:27,265 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 18:45:27,266 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 18:45:27,266 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 18:45:27,267 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_edae0486-7dc1-4966-b029-ab4f92fad927/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2018-12-01 18:45:27,275 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 18:45:27,275 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 18:45:27,276 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-01 18:45:27,276 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-01 18:45:27,276 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 18:45:27,276 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 18:45:27,277 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 18:45:27,277 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-01 18:45:27,277 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-01 18:45:27,277 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 18:45:27,277 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-01 18:45:27,277 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-01 18:45:27,278 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-01 18:45:27,278 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-12-01 18:45:27,278 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 18:45:27,278 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 18:45:27,278 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-01 18:45:27,278 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-01 18:45:27,279 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-01 18:45:27,279 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 18:45:27,279 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-01 18:45:27,279 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-01 18:45:27,279 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 18:45:27,279 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-01 18:45:27,280 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-01 18:45:27,280 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-01 18:45:27,280 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-01 18:45:27,280 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-01 18:45:27,280 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_edae0486-7dc1-4966-b029-ab4f92fad927/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 [2018-12-01 18:45:27,304 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 18:45:27,311 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 18:45:27,313 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 18:45:27,314 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 18:45:27,314 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 18:45:27,314 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_edae0486-7dc1-4966-b029-ab4f92fad927/bin-2019/ukojak/../../sv-benchmarks/c/termination-crafted/TelAviv-Amir-Minimum_true-no-overflow_true-termination_true-valid-memsafety.c [2018-12-01 18:45:27,350 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_edae0486-7dc1-4966-b029-ab4f92fad927/bin-2019/ukojak/data/4e29ecb35/63ccf1ac7dd54548a21aec3d65bdcbce/FLAG5f7401bf6 [2018-12-01 18:45:27,641 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 18:45:27,641 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_edae0486-7dc1-4966-b029-ab4f92fad927/sv-benchmarks/c/termination-crafted/TelAviv-Amir-Minimum_true-no-overflow_true-termination_true-valid-memsafety.c [2018-12-01 18:45:27,645 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_edae0486-7dc1-4966-b029-ab4f92fad927/bin-2019/ukojak/data/4e29ecb35/63ccf1ac7dd54548a21aec3d65bdcbce/FLAG5f7401bf6 [2018-12-01 18:45:28,089 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_edae0486-7dc1-4966-b029-ab4f92fad927/bin-2019/ukojak/data/4e29ecb35/63ccf1ac7dd54548a21aec3d65bdcbce [2018-12-01 18:45:28,092 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 18:45:28,093 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 18:45:28,094 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 18:45:28,094 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 18:45:28,096 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 18:45:28,097 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:45:28" (1/1) ... [2018-12-01 18:45:28,099 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@343f3083 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:45:28, skipping insertion in model container [2018-12-01 18:45:28,099 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:45:28" (1/1) ... [2018-12-01 18:45:28,104 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 18:45:28,115 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 18:45:28,202 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 18:45:28,204 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 18:45:28,214 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 18:45:28,221 INFO L195 MainTranslator]: Completed translation [2018-12-01 18:45:28,221 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:45:28 WrapperNode [2018-12-01 18:45:28,222 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 18:45:28,222 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 18:45:28,222 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 18:45:28,222 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 18:45:28,227 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:45:28" (1/1) ... [2018-12-01 18:45:28,230 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:45:28" (1/1) ... [2018-12-01 18:45:28,240 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 18:45:28,241 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 18:45:28,241 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 18:45:28,241 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 18:45:28,246 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:45:28" (1/1) ... [2018-12-01 18:45:28,246 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:45:28" (1/1) ... [2018-12-01 18:45:28,246 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:45:28" (1/1) ... [2018-12-01 18:45:28,247 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:45:28" (1/1) ... [2018-12-01 18:45:28,248 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:45:28" (1/1) ... [2018-12-01 18:45:28,279 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:45:28" (1/1) ... [2018-12-01 18:45:28,280 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:45:28" (1/1) ... [2018-12-01 18:45:28,281 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 18:45:28,281 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 18:45:28,281 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 18:45:28,282 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 18:45:28,282 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:45:28" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_edae0486-7dc1-4966-b029-ab4f92fad927/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 [2018-12-01 18:45:28,314 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 18:45:28,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 18:45:28,419 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 18:45:28,419 INFO L280 CfgBuilder]: Removed 5 assue(true) statements. [2018-12-01 18:45:28,419 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:45:28 BoogieIcfgContainer [2018-12-01 18:45:28,419 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 18:45:28,420 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-01 18:45:28,420 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-01 18:45:28,427 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-01 18:45:28,427 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:45:28" (1/1) ... [2018-12-01 18:45:28,434 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 18:45:28,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:45:28,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 24 states and 27 transitions. [2018-12-01 18:45:28,457 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2018-12-01 18:45:28,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-01 18:45:28,459 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:45:28,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:45:28,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:45:28,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:45:28,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2018-12-01 18:45:28,572 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2018-12-01 18:45:28,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-01 18:45:28,572 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:45:28,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:45:28,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:45:28,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:45:28,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 32 states and 43 transitions. [2018-12-01 18:45:28,653 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 43 transitions. [2018-12-01 18:45:28,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-01 18:45:28,654 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:45:28,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:45:28,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:45:28,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:45:28,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 34 states and 46 transitions. [2018-12-01 18:45:28,685 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 46 transitions. [2018-12-01 18:45:28,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-01 18:45:28,685 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:45:28,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:45:28,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:45:28,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:45:28,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 36 states and 49 transitions. [2018-12-01 18:45:28,714 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 49 transitions. [2018-12-01 18:45:28,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-01 18:45:28,714 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:45:28,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:45:28,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:45:28,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:45:28,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 38 states and 52 transitions. [2018-12-01 18:45:28,818 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 52 transitions. [2018-12-01 18:45:28,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-01 18:45:28,818 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:45:28,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:45:28,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:45:28,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:45:28,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 40 states and 55 transitions. [2018-12-01 18:45:28,915 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 55 transitions. [2018-12-01 18:45:28,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-01 18:45:28,915 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:45:28,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:45:28,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:45:28,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:45:28,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 42 states and 58 transitions. [2018-12-01 18:45:28,936 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 58 transitions. [2018-12-01 18:45:28,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-01 18:45:28,936 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:45:28,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:45:28,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:45:28,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:45:28,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 44 states and 61 transitions. [2018-12-01 18:45:28,956 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 61 transitions. [2018-12-01 18:45:28,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-01 18:45:28,959 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:45:28,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:45:28,978 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:45:29,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:45:29,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 45 states and 62 transitions. [2018-12-01 18:45:29,014 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 62 transitions. [2018-12-01 18:45:29,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-01 18:45:29,015 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:45:29,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:45:29,036 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:45:29,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:45:29,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 26 states and 34 transitions. [2018-12-01 18:45:29,075 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 34 transitions. [2018-12-01 18:45:29,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-01 18:45:29,076 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:45:29,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:45:29,084 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-01 18:45:29,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:45:29,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 23 states and 30 transitions. [2018-12-01 18:45:29,139 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions. [2018-12-01 18:45:29,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-01 18:45:29,139 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:45:29,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:45:29,147 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-01 18:45:29,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:45:29,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 20 states and 26 transitions. [2018-12-01 18:45:29,153 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2018-12-01 18:45:29,153 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-01 18:45:29,153 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 13 iterations. [2018-12-01 18:45:29,159 INFO L779 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2018-12-01 18:45:29,244 INFO L583 CodeCheckObserver]: Invariant with dag size 3 [2018-12-01 18:45:29,250 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 06:45:29 ImpRootNode [2018-12-01 18:45:29,250 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-01 18:45:29,250 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 18:45:29,250 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 18:45:29,250 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 18:45:29,250 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:45:28" (3/4) ... [2018-12-01 18:45:29,253 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-01 18:45:29,258 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-01 18:45:29,258 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-01 18:45:29,258 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-01 18:45:29,287 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_edae0486-7dc1-4966-b029-ab4f92fad927/bin-2019/ukojak/witness.graphml [2018-12-01 18:45:29,287 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 18:45:29,287 INFO L168 Benchmark]: Toolchain (without parser) took 1194.87 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 88.6 MB). Free memory was 953.3 MB in the beginning and 909.2 MB in the end (delta: 44.1 MB). Peak memory consumption was 132.7 MB. Max. memory is 11.5 GB. [2018-12-01 18:45:29,288 INFO L168 Benchmark]: CDTParser took 0.10 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. [2018-12-01 18:45:29,289 INFO L168 Benchmark]: CACSL2BoogieTranslator took 127.94 ms. Allocated memory is still 1.0 GB. Free memory was 953.3 MB in the beginning and 942.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-01 18:45:29,289 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.45 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. [2018-12-01 18:45:29,289 INFO L168 Benchmark]: Boogie Preprocessor took 40.57 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 88.6 MB). Free memory was 942.6 MB in the beginning and 1.1 GB in the end (delta: -144.1 MB). Peak memory consumption was 15.6 MB. Max. memory is 11.5 GB. [2018-12-01 18:45:29,290 INFO L168 Benchmark]: RCFGBuilder took 138.18 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 19.7 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. [2018-12-01 18:45:29,290 INFO L168 Benchmark]: CodeCheck took 830.09 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 911.8 MB in the end (delta: 155.1 MB). Peak memory consumption was 155.1 MB. Max. memory is 11.5 GB. [2018-12-01 18:45:29,291 INFO L168 Benchmark]: Witness Printer took 36.93 ms. Allocated memory is still 1.1 GB. Free memory was 911.8 MB in the beginning and 909.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-01 18:45:29,293 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, 0.7s 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, 0.8s 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: 34]: 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: 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: 36]: 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: 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 - 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 0.10 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 127.94 ms. Allocated memory is still 1.0 GB. Free memory was 953.3 MB in the beginning and 942.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 18.45 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 40.57 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 88.6 MB). Free memory was 942.6 MB in the beginning and 1.1 GB in the end (delta: -144.1 MB). Peak memory consumption was 15.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 138.18 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 19.7 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. * CodeCheck took 830.09 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 911.8 MB in the end (delta: 155.1 MB). Peak memory consumption was 155.1 MB. Max. memory is 11.5 GB. * Witness Printer took 36.93 ms. Allocated memory is still 1.1 GB. Free memory was 911.8 MB in the beginning and 909.2 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...