./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted/Cairo_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_37f2ba21-2ff6-48bc-bb9c-4dce30ec3675/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_37f2ba21-2ff6-48bc-bb9c-4dce30ec3675/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_37f2ba21-2ff6-48bc-bb9c-4dce30ec3675/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_37f2ba21-2ff6-48bc-bb9c-4dce30ec3675/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted/Cairo_true-no-overflow_true-termination_true-valid-memsafety.c -s /tmp/vcloud-vcloud-master/worker/working_dir_37f2ba21-2ff6-48bc-bb9c-4dce30ec3675/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_37f2ba21-2ff6-48bc-bb9c-4dce30ec3675/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 4ee0473dc6d7092e83742edafdde9370f3b93e25 ...................................................................................................................................................................................................................................... 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 00:44:43,216 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 00:44:43,217 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 00:44:43,223 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 00:44:43,223 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 00:44:43,224 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 00:44:43,225 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 00:44:43,226 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 00:44:43,226 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 00:44:43,227 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 00:44:43,227 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 00:44:43,228 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 00:44:43,228 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 00:44:43,229 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 00:44:43,229 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 00:44:43,230 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 00:44:43,230 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 00:44:43,231 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 00:44:43,232 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 00:44:43,233 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 00:44:43,234 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 00:44:43,235 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 00:44:43,236 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 00:44:43,236 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 00:44:43,236 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 00:44:43,237 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 00:44:43,237 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 00:44:43,238 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 00:44:43,238 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 00:44:43,239 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 00:44:43,239 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 00:44:43,239 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 00:44:43,240 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 00:44:43,240 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 00:44:43,240 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 00:44:43,241 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 00:44:43,241 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_37f2ba21-2ff6-48bc-bb9c-4dce30ec3675/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2018-12-09 00:44:43,249 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 00:44:43,249 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 00:44:43,249 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 00:44:43,249 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-09 00:44:43,250 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 00:44:43,250 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 00:44:43,250 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 00:44:43,250 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-09 00:44:43,250 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 00:44:43,251 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 00:44:43,251 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 00:44:43,251 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 00:44:43,251 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 00:44:43,251 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-12-09 00:44:43,251 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 00:44:43,251 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 00:44:43,251 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 00:44:43,251 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-09 00:44:43,252 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-09 00:44:43,252 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 00:44:43,252 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 00:44:43,252 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 00:44:43,252 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 00:44:43,252 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 00:44:43,252 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 00:44:43,252 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-09 00:44:43,253 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 00:44:43,253 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 00:44:43,253 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_37f2ba21-2ff6-48bc-bb9c-4dce30ec3675/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 -> 4ee0473dc6d7092e83742edafdde9370f3b93e25 [2018-12-09 00:44:43,271 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 00:44:43,280 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 00:44:43,282 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 00:44:43,283 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 00:44:43,284 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 00:44:43,284 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_37f2ba21-2ff6-48bc-bb9c-4dce30ec3675/bin-2019/ukojak/../../sv-benchmarks/c/termination-crafted/Cairo_true-no-overflow_true-termination_true-valid-memsafety.c [2018-12-09 00:44:43,327 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_37f2ba21-2ff6-48bc-bb9c-4dce30ec3675/bin-2019/ukojak/data/9bb2d7c3b/bf14e0d000ac4355bdcf22165b655486/FLAG7601431e0 [2018-12-09 00:44:43,810 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 00:44:43,810 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_37f2ba21-2ff6-48bc-bb9c-4dce30ec3675/sv-benchmarks/c/termination-crafted/Cairo_true-no-overflow_true-termination_true-valid-memsafety.c [2018-12-09 00:44:43,814 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_37f2ba21-2ff6-48bc-bb9c-4dce30ec3675/bin-2019/ukojak/data/9bb2d7c3b/bf14e0d000ac4355bdcf22165b655486/FLAG7601431e0 [2018-12-09 00:44:44,315 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_37f2ba21-2ff6-48bc-bb9c-4dce30ec3675/bin-2019/ukojak/data/9bb2d7c3b/bf14e0d000ac4355bdcf22165b655486 [2018-12-09 00:44:44,317 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 00:44:44,318 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 00:44:44,319 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 00:44:44,319 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 00:44:44,322 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 00:44:44,322 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:44:44" (1/1) ... [2018-12-09 00:44:44,324 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3dd40c7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:44:44, skipping insertion in model container [2018-12-09 00:44:44,324 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:44:44" (1/1) ... [2018-12-09 00:44:44,329 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 00:44:44,338 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 00:44:44,420 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 00:44:44,422 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 00:44:44,430 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 00:44:44,437 INFO L195 MainTranslator]: Completed translation [2018-12-09 00:44:44,438 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:44:44 WrapperNode [2018-12-09 00:44:44,438 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 00:44:44,438 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 00:44:44,438 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 00:44:44,438 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 00:44:44,443 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:44:44" (1/1) ... [2018-12-09 00:44:44,446 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:44:44" (1/1) ... [2018-12-09 00:44:44,455 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 00:44:44,455 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 00:44:44,455 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 00:44:44,455 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 00:44:44,460 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:44:44" (1/1) ... [2018-12-09 00:44:44,461 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:44:44" (1/1) ... [2018-12-09 00:44:44,461 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:44:44" (1/1) ... [2018-12-09 00:44:44,461 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:44:44" (1/1) ... [2018-12-09 00:44:44,462 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:44:44" (1/1) ... [2018-12-09 00:44:44,464 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:44:44" (1/1) ... [2018-12-09 00:44:44,465 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:44:44" (1/1) ... [2018-12-09 00:44:44,465 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 00:44:44,466 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 00:44:44,466 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 00:44:44,466 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 00:44:44,466 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:44:44" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_37f2ba21-2ff6-48bc-bb9c-4dce30ec3675/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 00:44:44,526 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 00:44:44,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 00:44:44,614 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 00:44:44,614 INFO L280 CfgBuilder]: Removed 5 assue(true) statements. [2018-12-09 00:44:44,614 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:44:44 BoogieIcfgContainer [2018-12-09 00:44:44,615 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 00:44:44,615 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-09 00:44:44,615 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-09 00:44:44,621 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-09 00:44:44,622 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:44:44" (1/1) ... [2018-12-09 00:44:44,628 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:44:44,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:44:44,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 9 states and 10 transitions. [2018-12-09 00:44:44,651 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2018-12-09 00:44:44,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-12-09 00:44:44,652 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:44:44,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:44:44,731 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 00:44:44,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:44:44,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 11 states and 13 transitions. [2018-12-09 00:44:44,776 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2018-12-09 00:44:44,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-09 00:44:44,777 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:44:44,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:44:44,790 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 00:44:44,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:44:44,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2018-12-09 00:44:44,833 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2018-12-09 00:44:44,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-09 00:44:44,833 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:44:44,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:44:44,851 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 00:44:44,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:44:44,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 11 states and 13 transitions. [2018-12-09 00:44:44,886 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2018-12-09 00:44:44,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-09 00:44:44,887 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:44:44,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:44:44,907 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:44:44,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:44:44,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2018-12-09 00:44:44,939 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2018-12-09 00:44:44,939 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 00:44:44,939 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2018-12-09 00:44:44,945 INFO L779 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2018-12-09 00:44:44,965 INFO L583 CodeCheckObserver]: Invariant with dag size 11 [2018-12-09 00:44:44,970 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 00:44:44,970 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.12 12:44:44 ImpRootNode [2018-12-09 00:44:44,970 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-09 00:44:44,971 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 00:44:44,971 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 00:44:44,971 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 00:44:44,971 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:44:44" (3/4) ... [2018-12-09 00:44:44,974 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 00:44:44,979 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-12-09 00:44:44,979 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 00:44:44,980 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 00:44:45,001 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_37f2ba21-2ff6-48bc-bb9c-4dce30ec3675/bin-2019/ukojak/witness.graphml [2018-12-09 00:44:45,002 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 00:44:45,002 INFO L168 Benchmark]: Toolchain (without parser) took 684.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.7 MB). Free memory was 961.4 MB in the beginning and 1.1 GB in the end (delta: -96.0 MB). Peak memory consumption was 27.7 MB. Max. memory is 11.5 GB. [2018-12-09 00:44:45,003 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 00:44:45,003 INFO L168 Benchmark]: CACSL2BoogieTranslator took 119.29 ms. Allocated memory is still 1.0 GB. Free memory was 961.4 MB in the beginning and 950.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-09 00:44:45,003 INFO L168 Benchmark]: Boogie Procedure Inliner took 16.93 ms. Allocated memory is still 1.0 GB. Free memory is still 950.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 00:44:45,004 INFO L168 Benchmark]: Boogie Preprocessor took 10.16 ms. Allocated memory is still 1.0 GB. Free memory is still 950.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 00:44:45,004 INFO L168 Benchmark]: RCFGBuilder took 148.96 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.7 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -154.3 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. [2018-12-09 00:44:45,004 INFO L168 Benchmark]: CodeCheck took 355.69 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 47.5 MB). Peak memory consumption was 47.5 MB. Max. memory is 11.5 GB. [2018-12-09 00:44:45,004 INFO L168 Benchmark]: Witness Printer took 31.01 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 00:44:45,006 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, 11 locations, 2 error locations. SAFE Result, 0.3s OverallTime, 5 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 0 SDtfs, 82 SDslu, 0 SDs, 0 SdLazy, 316 SolverSat, 98 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 180 GetRequests, 161 SyntacticMatches, 5 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 272 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 2/5 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: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: (x <= 2147483647 && 1 <= x) || (x < 1 && 0 <= x) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 119.29 ms. Allocated memory is still 1.0 GB. Free memory was 961.4 MB in the beginning and 950.6 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 16.93 ms. Allocated memory is still 1.0 GB. Free memory is still 950.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 10.16 ms. Allocated memory is still 1.0 GB. Free memory is still 950.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 148.96 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.7 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -154.3 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. * CodeCheck took 355.69 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 47.5 MB). Peak memory consumption was 47.5 MB. Max. memory is 11.5 GB. * Witness Printer took 31.01 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...