./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted/SyntaxSupportPointer01-2.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_0244a034-054f-4c56-bb2c-1d436eb00e59/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_0244a034-054f-4c56-bb2c-1d436eb00e59/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_0244a034-054f-4c56-bb2c-1d436eb00e59/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_0244a034-054f-4c56-bb2c-1d436eb00e59/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted/SyntaxSupportPointer01-2.c -s /tmp/vcloud-vcloud-master/worker/run_dir_0244a034-054f-4c56-bb2c-1d436eb00e59/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_0244a034-054f-4c56-bb2c-1d436eb00e59/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 0a93871a8dae316852c5fe296af5e1db1eea1d37 ........................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-26 02:49:24,226 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:49:24,228 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:49:24,242 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:49:24,243 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:49:24,244 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:49:24,246 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:49:24,255 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:49:24,259 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:49:24,263 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:49:24,265 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:49:24,266 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:49:24,266 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:49:24,268 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:49:24,269 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:49:24,270 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:49:24,271 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:49:24,272 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:49:24,275 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:49:24,278 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:49:24,282 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:49:24,285 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:49:24,286 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:49:24,287 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:49:24,290 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:49:24,290 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:49:24,290 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:49:24,292 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:49:24,293 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:49:24,293 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:49:24,294 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:49:24,294 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:49:24,295 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:49:24,296 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:49:24,297 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:49:24,297 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:49:24,298 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:49:24,298 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:49:24,298 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:49:24,299 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:49:24,300 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:49:24,301 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_0244a034-054f-4c56-bb2c-1d436eb00e59/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2019-11-26 02:49:24,324 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:49:24,333 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:49:24,334 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:49:24,335 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-26 02:49:24,335 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 02:49:24,335 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 02:49:24,336 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:49:24,336 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 02:49:24,336 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:49:24,336 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:49:24,336 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:49:24,337 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:49:24,337 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:49:24,337 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2019-11-26 02:49:24,338 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:49:24,338 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 02:49:24,339 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:49:24,339 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-26 02:49:24,339 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-26 02:49:24,339 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:49:24,339 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:49:24,340 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-26 02:49:24,340 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:49:24,340 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:49:24,340 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:49:24,341 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-26 02:49:24,341 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 02:49:24,341 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:49:24,341 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_0244a034-054f-4c56-bb2c-1d436eb00e59/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0a93871a8dae316852c5fe296af5e1db1eea1d37 [2019-11-26 02:49:24,505 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:49:24,517 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:49:24,520 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:49:24,521 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:49:24,522 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:49:24,522 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_0244a034-054f-4c56-bb2c-1d436eb00e59/bin/ukojak/../../sv-benchmarks/c/termination-crafted/SyntaxSupportPointer01-2.c [2019-11-26 02:49:24,575 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0244a034-054f-4c56-bb2c-1d436eb00e59/bin/ukojak/data/1957c1ec5/30b358b0be2f43c696f122a438a00abe/FLAG3143788e0 [2019-11-26 02:49:24,958 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:49:24,959 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_0244a034-054f-4c56-bb2c-1d436eb00e59/sv-benchmarks/c/termination-crafted/SyntaxSupportPointer01-2.c [2019-11-26 02:49:24,964 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0244a034-054f-4c56-bb2c-1d436eb00e59/bin/ukojak/data/1957c1ec5/30b358b0be2f43c696f122a438a00abe/FLAG3143788e0 [2019-11-26 02:49:24,977 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_0244a034-054f-4c56-bb2c-1d436eb00e59/bin/ukojak/data/1957c1ec5/30b358b0be2f43c696f122a438a00abe [2019-11-26 02:49:24,980 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:49:24,981 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:49:24,985 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:49:24,985 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:49:24,988 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:49:24,989 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:49:24" (1/1) ... [2019-11-26 02:49:24,991 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d46a519 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:49:24, skipping insertion in model container [2019-11-26 02:49:24,991 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:49:24" (1/1) ... [2019-11-26 02:49:24,997 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:49:25,014 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:49:25,150 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:49:25,217 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:49:25,238 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:49:25,253 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:49:25,253 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:49:25 WrapperNode [2019-11-26 02:49:25,253 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:49:25,254 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:49:25,254 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:49:25,254 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:49:25,262 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:49:25" (1/1) ... [2019-11-26 02:49:25,269 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:49:25" (1/1) ... [2019-11-26 02:49:25,283 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:49:25,285 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:49:25,286 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:49:25,286 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:49:25,294 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:49:25" (1/1) ... [2019-11-26 02:49:25,294 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:49:25" (1/1) ... [2019-11-26 02:49:25,295 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:49:25" (1/1) ... [2019-11-26 02:49:25,295 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:49:25" (1/1) ... [2019-11-26 02:49:25,297 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:49:25" (1/1) ... [2019-11-26 02:49:25,301 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:49:25" (1/1) ... [2019-11-26 02:49:25,302 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:49:25" (1/1) ... [2019-11-26 02:49:25,303 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:49:25,303 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:49:25,304 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:49:25,304 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:49:25,304 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:49:25" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0244a034-054f-4c56-bb2c-1d436eb00e59/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-26 02:49:25,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-26 02:49:25,363 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-26 02:49:25,363 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:49:25,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:49:25,363 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-26 02:49:25,740 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:49:25,740 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-26 02:49:25,741 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:49:25 BoogieIcfgContainer [2019-11-26 02:49:25,741 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:49:25,742 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-26 02:49:25,742 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-26 02:49:25,751 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-26 02:49:25,751 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:49:25" (1/1) ... [2019-11-26 02:49:25,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:49:25,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:49:25,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 9 states and 10 transitions. [2019-11-26 02:49:25,786 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2019-11-26 02:49:25,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-11-26 02:49:25,788 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:49:25,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:49:25,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:49:25,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:49:25,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2019-11-26 02:49:25,994 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2019-11-26 02:49:25,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-11-26 02:49:25,996 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:49:26,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:49:26,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:49:26,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:49:26,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 11 states and 13 transitions. [2019-11-26 02:49:26,278 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2019-11-26 02:49:26,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-26 02:49:26,279 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:49:26,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:49:26,380 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:49:26,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:49:26,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2019-11-26 02:49:26,453 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2019-11-26 02:49:26,454 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-26 02:49:26,454 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2019-11-26 02:49:26,463 INFO L765 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2019-11-26 02:49:26,492 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:49:26,496 INFO L569 CodeCheckObserver]: Invariant with dag size 7 [2019-11-26 02:49:26,499 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:49:26,503 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:49:26,505 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.11 02:49:26 ImpRootNode [2019-11-26 02:49:26,505 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-26 02:49:26,505 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:49:26,505 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:49:26,506 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:49:26,506 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:49:25" (3/4) ... [2019-11-26 02:49:26,509 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-26 02:49:26,518 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-26 02:49:26,519 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-26 02:49:26,519 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-26 02:49:26,560 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_0244a034-054f-4c56-bb2c-1d436eb00e59/bin/ukojak/witness.graphml [2019-11-26 02:49:26,560 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:49:26,563 INFO L168 Benchmark]: Toolchain (without parser) took 1581.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 947.4 MB in the beginning and 1.1 GB in the end (delta: -107.3 MB). Peak memory consumption was 33.8 MB. Max. memory is 11.5 GB. [2019-11-26 02:49:26,564 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:49:26,565 INFO L168 Benchmark]: CACSL2BoogieTranslator took 268.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 947.4 MB in the beginning and 1.1 GB in the end (delta: -188.4 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. [2019-11-26 02:49:26,565 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.11 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. [2019-11-26 02:49:26,568 INFO L168 Benchmark]: Boogie Preprocessor took 17.80 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2019-11-26 02:49:26,571 INFO L168 Benchmark]: RCFGBuilder took 438.04 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: 23.3 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. [2019-11-26 02:49:26,571 INFO L168 Benchmark]: CodeCheck took 763.23 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: 54.5 MB). Peak memory consumption was 54.5 MB. Max. memory is 11.5 GB. [2019-11-26 02:49:26,571 INFO L168 Benchmark]: Witness Printer took 55.64 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. [2019-11-26 02:49:26,576 INFO L335 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, 9 locations, 2 error locations. Result: SAFE, OverallTime: 0.6s, OverallIterations: 4, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 8 SDtfs, 22 SDslu, 0 SDs, 0 SdLazy, 132 SolverSat, 38 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 128 GetRequests, 107 SyntacticMatches, 3 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 14 ConstructedInterpolants, 0 QuantifiedInterpolants, 268 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 3/3 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 16]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 16]: 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: 15]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 15]: Loop Invariant [2019-11-26 02:49:26,580 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:49:26,581 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: unknown-#memory_int-unknown[p][p] <= 2147483647 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 268.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 947.4 MB in the beginning and 1.1 GB in the end (delta: -188.4 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 31.11 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. * Boogie Preprocessor took 17.80 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 438.04 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: 23.3 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. * CodeCheck took 763.23 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: 54.5 MB). Peak memory consumption was 54.5 MB. Max. memory is 11.5 GB. * Witness Printer took 55.64 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. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int RESULT: Ultimate proved your program to be correct! Received shutdown request...