./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted/Cairo_step2_true-no-overflow_true-termination_true-valid-memsafety.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_444b7499-edf6-4523-b0fb-bdc6c12975cc/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_444b7499-edf6-4523-b0fb-bdc6c12975cc/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_444b7499-edf6-4523-b0fb-bdc6c12975cc/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_444b7499-edf6-4523-b0fb-bdc6c12975cc/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted/Cairo_step2_true-no-overflow_true-termination_true-valid-memsafety.c -s /tmp/vcloud-vcloud-master/worker/working_dir_444b7499-edf6-4523-b0fb-bdc6c12975cc/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_444b7499-edf6-4523-b0fb-bdc6c12975cc/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 c7d1dab681440b8e4fbe52aab1c781a8a0ad5fbc ............................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 06:21:46,229 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 06:21:46,230 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 06:21:46,239 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 06:21:46,240 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 06:21:46,240 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 06:21:46,241 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 06:21:46,242 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 06:21:46,244 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 06:21:46,244 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 06:21:46,245 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 06:21:46,245 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 06:21:46,246 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 06:21:46,247 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 06:21:46,248 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 06:21:46,249 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 06:21:46,249 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 06:21:46,251 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 06:21:46,252 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 06:21:46,254 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 06:21:46,254 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 06:21:46,255 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 06:21:46,257 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 06:21:46,258 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 06:21:46,258 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 06:21:46,259 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 06:21:46,259 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 06:21:46,260 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 06:21:46,261 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 06:21:46,262 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 06:21:46,262 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 06:21:46,263 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 06:21:46,263 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 06:21:46,263 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 06:21:46,264 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 06:21:46,265 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 06:21:46,265 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_444b7499-edf6-4523-b0fb-bdc6c12975cc/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2018-11-23 06:21:46,276 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 06:21:46,276 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 06:21:46,277 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 06:21:46,277 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 06:21:46,278 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 06:21:46,278 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 06:21:46,278 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 06:21:46,279 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-23 06:21:46,279 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 06:21:46,279 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 06:21:46,279 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 06:21:46,279 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 06:21:46,279 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 06:21:46,280 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-11-23 06:21:46,280 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 06:21:46,280 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 06:21:46,280 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 06:21:46,280 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 06:21:46,281 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 06:21:46,281 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 06:21:46,281 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 06:21:46,281 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 06:21:46,281 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 06:21:46,281 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 06:21:46,282 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 06:21:46,282 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-23 06:21:46,282 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 06:21:46,282 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 06:21:46,282 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_444b7499-edf6-4523-b0fb-bdc6c12975cc/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 -> c7d1dab681440b8e4fbe52aab1c781a8a0ad5fbc [2018-11-23 06:21:46,312 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 06:21:46,324 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 06:21:46,327 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 06:21:46,329 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 06:21:46,329 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 06:21:46,330 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_444b7499-edf6-4523-b0fb-bdc6c12975cc/bin-2019/ukojak/../../sv-benchmarks/c/termination-crafted/Cairo_step2_true-no-overflow_true-termination_true-valid-memsafety.c [2018-11-23 06:21:46,386 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_444b7499-edf6-4523-b0fb-bdc6c12975cc/bin-2019/ukojak/data/9a9aa2d77/dc63815f9a7640eeb24899d100c3cef6/FLAG146dfccc3 [2018-11-23 06:21:46,756 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 06:21:46,757 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_444b7499-edf6-4523-b0fb-bdc6c12975cc/sv-benchmarks/c/termination-crafted/Cairo_step2_true-no-overflow_true-termination_true-valid-memsafety.c [2018-11-23 06:21:46,761 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_444b7499-edf6-4523-b0fb-bdc6c12975cc/bin-2019/ukojak/data/9a9aa2d77/dc63815f9a7640eeb24899d100c3cef6/FLAG146dfccc3 [2018-11-23 06:21:46,772 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_444b7499-edf6-4523-b0fb-bdc6c12975cc/bin-2019/ukojak/data/9a9aa2d77/dc63815f9a7640eeb24899d100c3cef6 [2018-11-23 06:21:46,775 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 06:21:46,776 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 06:21:46,777 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 06:21:46,777 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 06:21:46,780 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 06:21:46,781 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:21:46" (1/1) ... [2018-11-23 06:21:46,784 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d13254b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:21:46, skipping insertion in model container [2018-11-23 06:21:46,784 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:21:46" (1/1) ... [2018-11-23 06:21:46,794 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 06:21:46,813 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 06:21:46,975 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 06:21:46,979 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 06:21:46,993 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 06:21:47,003 INFO L195 MainTranslator]: Completed translation [2018-11-23 06:21:47,004 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:21:47 WrapperNode [2018-11-23 06:21:47,004 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 06:21:47,004 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 06:21:47,005 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 06:21:47,005 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 06:21:47,013 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:21:47" (1/1) ... [2018-11-23 06:21:47,016 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:21:47" (1/1) ... [2018-11-23 06:21:47,028 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 06:21:47,028 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 06:21:47,029 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 06:21:47,029 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 06:21:47,035 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:21:47" (1/1) ... [2018-11-23 06:21:47,035 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:21:47" (1/1) ... [2018-11-23 06:21:47,036 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:21:47" (1/1) ... [2018-11-23 06:21:47,036 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:21:47" (1/1) ... [2018-11-23 06:21:47,037 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:21:47" (1/1) ... [2018-11-23 06:21:47,041 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:21:47" (1/1) ... [2018-11-23 06:21:47,041 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:21:47" (1/1) ... [2018-11-23 06:21:47,042 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 06:21:47,042 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 06:21:47,042 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 06:21:47,042 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 06:21:47,043 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:21:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_444b7499-edf6-4523-b0fb-bdc6c12975cc/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 [2018-11-23 06:21:47,129 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 06:21:47,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 06:21:47,241 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 06:21:47,242 INFO L280 CfgBuilder]: Removed 5 assue(true) statements. [2018-11-23 06:21:47,242 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:21:47 BoogieIcfgContainer [2018-11-23 06:21:47,242 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 06:21:47,243 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 06:21:47,243 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 06:21:47,253 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 06:21:47,253 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:21:47" (1/1) ... [2018-11-23 06:21:47,261 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:21:47,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:21:47,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 9 states and 10 transitions. [2018-11-23 06:21:47,287 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2018-11-23 06:21:47,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-11-23 06:21:47,289 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:21:47,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:21:47,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:21:47,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:21:47,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 11 states and 13 transitions. [2018-11-23 06:21:47,447 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2018-11-23 06:21:47,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-23 06:21:47,447 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:21:47,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:21:47,483 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:21:47,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:21:47,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2018-11-23 06:21:47,575 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2018-11-23 06:21:47,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-23 06:21:47,576 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:21:47,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:21:47,618 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:21:47,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:21:47,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 11 states and 13 transitions. [2018-11-23 06:21:47,653 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2018-11-23 06:21:47,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-23 06:21:47,654 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:21:47,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:21:47,685 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:21:47,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:21:47,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2018-11-23 06:21:47,768 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2018-11-23 06:21:47,768 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 06:21:47,769 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2018-11-23 06:21:47,776 INFO L775 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2018-11-23 06:21:47,793 INFO L579 CodeCheckObserver]: Invariant with dag size 12 [2018-11-23 06:21:47,800 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 06:21:47,800 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 06:21:47 ImpRootNode [2018-11-23 06:21:47,800 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-23 06:21:47,801 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 06:21:47,801 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 06:21:47,801 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 06:21:47,802 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:21:47" (3/4) ... [2018-11-23 06:21:47,805 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 06:21:47,813 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 06:21:47,813 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 06:21:47,813 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 06:21:47,845 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_444b7499-edf6-4523-b0fb-bdc6c12975cc/bin-2019/ukojak/witness.graphml [2018-11-23 06:21:47,846 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 06:21:47,846 INFO L168 Benchmark]: Toolchain (without parser) took 1071.10 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.5 MB). Free memory was 959.8 MB in the beginning and 1.1 GB in the end (delta: -136.4 MB). Peak memory consumption was 25.0 MB. Max. memory is 11.5 GB. [2018-11-23 06:21:47,848 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 982.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 06:21:47,848 INFO L168 Benchmark]: CACSL2BoogieTranslator took 227.53 ms. Allocated memory is still 1.0 GB. Free memory was 959.8 MB in the beginning and 949.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-23 06:21:47,849 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.81 ms. Allocated memory is still 1.0 GB. Free memory was 949.1 MB in the beginning and 943.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-23 06:21:47,849 INFO L168 Benchmark]: Boogie Preprocessor took 13.64 ms. Allocated memory is still 1.0 GB. Free memory is still 943.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 06:21:47,850 INFO L168 Benchmark]: RCFGBuilder took 199.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.5 MB). Free memory was 943.7 MB in the beginning and 1.1 GB in the end (delta: -203.6 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. [2018-11-23 06:21:47,850 INFO L168 Benchmark]: CodeCheck took 557.90 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: 45.7 MB). Peak memory consumption was 45.7 MB. Max. memory is 11.5 GB. [2018-11-23 06:21:47,851 INFO L168 Benchmark]: Witness Printer took 44.87 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-23 06:21:47,854 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, 0.5s OverallTime, 5 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 0 SDtfs, 86 SDslu, 0 SDs, 0 SdLazy, 320 SolverSat, 90 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 182 GetRequests, 162 SyntacticMatches, 8 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 350 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: 17]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 17]: 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: 16]: Loop Invariant Derived loop invariant: (x <= 2147483647 && 1 <= x) || (x < 1 && 0 <= x + 1) - InvariantResult [Line: 15]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 982.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 227.53 ms. Allocated memory is still 1.0 GB. Free memory was 959.8 MB in the beginning and 949.1 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 23.81 ms. Allocated memory is still 1.0 GB. Free memory was 949.1 MB in the beginning and 943.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 13.64 ms. Allocated memory is still 1.0 GB. Free memory is still 943.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 199.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.5 MB). Free memory was 943.7 MB in the beginning and 1.1 GB in the end (delta: -203.6 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. * CodeCheck took 557.90 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: 45.7 MB). Peak memory consumption was 45.7 MB. Max. memory is 11.5 GB. * Witness Printer took 44.87 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...