./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 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_f41dcbde-61c6-45ae-b85e-7a1c71df9565/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_f41dcbde-61c6-45ae-b85e-7a1c71df9565/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f41dcbde-61c6-45ae-b85e-7a1c71df9565/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f41dcbde-61c6-45ae-b85e-7a1c71df9565/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted/SyntaxSupportPointer01-2.c -s /tmp/vcloud-vcloud-master/worker/run_dir_f41dcbde-61c6-45ae-b85e-7a1c71df9565/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f41dcbde-61c6-45ae-b85e-7a1c71df9565/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 0.2.0-69874e2 [2020-12-01 17:25:16,074 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 17:25:16,077 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 17:25:16,182 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 17:25:16,183 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 17:25:16,189 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 17:25:16,194 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 17:25:16,198 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 17:25:16,201 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 17:25:16,203 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 17:25:16,205 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 17:25:16,207 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 17:25:16,208 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 17:25:16,209 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 17:25:16,211 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 17:25:16,213 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 17:25:16,215 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 17:25:16,216 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 17:25:16,219 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 17:25:16,222 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 17:25:16,225 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 17:25:16,230 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 17:25:16,231 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 17:25:16,235 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 17:25:16,240 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 17:25:16,252 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 17:25:16,252 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 17:25:16,254 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 17:25:16,256 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 17:25:16,258 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 17:25:16,258 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 17:25:16,260 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 17:25:16,262 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 17:25:16,264 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 17:25:16,266 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 17:25:16,266 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 17:25:16,267 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 17:25:16,268 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 17:25:16,268 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 17:25:16,269 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 17:25:16,270 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 17:25:16,273 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f41dcbde-61c6-45ae-b85e-7a1c71df9565/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2020-12-01 17:25:16,327 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 17:25:16,328 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 17:25:16,330 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 17:25:16,330 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 17:25:16,331 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 17:25:16,331 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 17:25:16,332 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 17:25:16,332 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-01 17:25:16,332 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 17:25:16,332 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 17:25:16,334 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 17:25:16,334 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 17:25:16,335 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 17:25:16,335 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-12-01 17:25:16,335 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 17:25:16,335 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 17:25:16,335 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 17:25:16,336 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 17:25:16,336 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 17:25:16,336 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 17:25:16,337 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 17:25:16,337 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 17:25:16,337 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 17:25:16,337 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 17:25:16,338 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 17:25:16,338 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 17:25:16,338 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 17:25:16,339 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 17:25:16,339 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_f41dcbde-61c6-45ae-b85e-7a1c71df9565/bin/ukojak/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_f41dcbde-61c6-45ae-b85e-7a1c71df9565/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0a93871a8dae316852c5fe296af5e1db1eea1d37 [2020-12-01 17:25:16,717 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 17:25:16,763 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 17:25:16,766 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 17:25:16,768 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 17:25:16,769 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 17:25:16,770 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f41dcbde-61c6-45ae-b85e-7a1c71df9565/bin/ukojak/../../sv-benchmarks/c/termination-crafted/SyntaxSupportPointer01-2.c [2020-12-01 17:25:16,861 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f41dcbde-61c6-45ae-b85e-7a1c71df9565/bin/ukojak/data/e6ed0f212/7fb9ef2b001145139809f4d0e80848f0/FLAGd9d6e7479 [2020-12-01 17:25:17,593 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 17:25:17,594 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f41dcbde-61c6-45ae-b85e-7a1c71df9565/sv-benchmarks/c/termination-crafted/SyntaxSupportPointer01-2.c [2020-12-01 17:25:17,608 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f41dcbde-61c6-45ae-b85e-7a1c71df9565/bin/ukojak/data/e6ed0f212/7fb9ef2b001145139809f4d0e80848f0/FLAGd9d6e7479 [2020-12-01 17:25:17,638 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f41dcbde-61c6-45ae-b85e-7a1c71df9565/bin/ukojak/data/e6ed0f212/7fb9ef2b001145139809f4d0e80848f0 [2020-12-01 17:25:17,642 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 17:25:17,646 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 17:25:17,650 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 17:25:17,651 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 17:25:17,655 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 17:25:17,656 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:25:17" (1/1) ... [2020-12-01 17:25:17,659 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31ee5106 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:25:17, skipping insertion in model container [2020-12-01 17:25:17,660 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:25:17" (1/1) ... [2020-12-01 17:25:17,669 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 17:25:17,686 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 17:25:17,886 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:25:17,912 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 17:25:17,930 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:25:17,949 INFO L208 MainTranslator]: Completed translation [2020-12-01 17:25:17,949 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:25:17 WrapperNode [2020-12-01 17:25:17,951 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 17:25:17,952 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 17:25:17,953 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 17:25:17,953 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 17:25:17,963 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:25:17" (1/1) ... [2020-12-01 17:25:17,972 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:25:17" (1/1) ... [2020-12-01 17:25:17,995 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 17:25:17,999 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 17:25:17,999 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 17:25:18,000 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 17:25:18,010 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:25:17" (1/1) ... [2020-12-01 17:25:18,011 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:25:17" (1/1) ... [2020-12-01 17:25:18,017 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:25:17" (1/1) ... [2020-12-01 17:25:18,018 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:25:17" (1/1) ... [2020-12-01 17:25:18,024 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:25:17" (1/1) ... [2020-12-01 17:25:18,030 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:25:17" (1/1) ... [2020-12-01 17:25:18,037 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:25:17" (1/1) ... [2020-12-01 17:25:18,039 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 17:25:18,041 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 17:25:18,042 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 17:25:18,042 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 17:25:18,044 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:25:17" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f41dcbde-61c6-45ae-b85e-7a1c71df9565/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 [2020-12-01 17:25:18,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-01 17:25:18,145 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-01 17:25:18,145 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 17:25:18,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 17:25:18,147 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-01 17:25:18,533 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 17:25:18,534 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-12-01 17:25:18,536 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:25:18 BoogieIcfgContainer [2020-12-01 17:25:18,540 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 17:25:18,541 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 17:25:18,556 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 17:25:18,570 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 17:25:18,584 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:25:18" (1/1) ... [2020-12-01 17:25:18,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 17:25:18,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:25:18,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 9 states and 10 transitions. [2020-12-01 17:25:18,642 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2020-12-01 17:25:18,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-12-01 17:25:18,645 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:25:18,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:25:18,961 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:25:19,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:25:19,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2020-12-01 17:25:19,100 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2020-12-01 17:25:19,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-12-01 17:25:19,101 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:25:19,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:25:19,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:25:19,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:25:19,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 11 states and 13 transitions. [2020-12-01 17:25:19,464 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2020-12-01 17:25:19,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-01 17:25:19,466 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:25:19,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:25:19,527 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:25:19,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:25:19,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2020-12-01 17:25:19,612 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2020-12-01 17:25:19,613 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 17:25:19,613 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2020-12-01 17:25:19,621 INFO L765 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2020-12-01 17:25:19,648 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:25:19,652 INFO L569 CodeCheckObserver]: Invariant with dag size 7 [2020-12-01 17:25:19,657 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-12-01 17:25:19,681 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-12-01 17:25:19,682 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 05:25:19 ImpRootNode [2020-12-01 17:25:19,682 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 17:25:19,683 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 17:25:19,684 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 17:25:19,684 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 17:25:19,685 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:25:18" (3/4) ... [2020-12-01 17:25:19,689 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 17:25:19,700 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-01 17:25:19,709 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2020-12-01 17:25:19,709 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-01 17:25:19,767 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_f41dcbde-61c6-45ae-b85e-7a1c71df9565/bin/ukojak/witness.graphml [2020-12-01 17:25:19,768 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 17:25:19,770 INFO L168 Benchmark]: Toolchain (without parser) took 2122.96 ms. Allocated memory is still 142.6 MB. Free memory was 115.6 MB in the beginning and 92.6 MB in the end (delta: 23.0 MB). Peak memory consumption was 20.8 MB. Max. memory is 16.1 GB. [2020-12-01 17:25:19,771 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 88.1 MB. Free memory is still 47.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 17:25:19,772 INFO L168 Benchmark]: CACSL2BoogieTranslator took 301.17 ms. Allocated memory is still 142.6 MB. Free memory was 115.6 MB in the beginning and 120.6 MB in the end (delta: -4.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-01 17:25:19,773 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.93 ms. Allocated memory is still 142.6 MB. Free memory was 120.6 MB in the beginning and 119.4 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 17:25:19,774 INFO L168 Benchmark]: Boogie Preprocessor took 40.80 ms. Allocated memory is still 142.6 MB. Free memory was 119.4 MB in the beginning and 118.4 MB in the end (delta: 970.2 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:25:19,775 INFO L168 Benchmark]: RCFGBuilder took 498.79 ms. Allocated memory is still 142.6 MB. Free memory was 118.4 MB in the beginning and 106.3 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-12-01 17:25:19,776 INFO L168 Benchmark]: CodeCheck took 1141.69 ms. Allocated memory is still 142.6 MB. Free memory was 106.3 MB in the beginning and 94.7 MB in the end (delta: 11.6 MB). Peak memory consumption was 9.9 MB. Max. memory is 16.1 GB. [2020-12-01 17:25:19,777 INFO L168 Benchmark]: Witness Printer took 84.53 ms. Allocated memory is still 142.6 MB. Free memory was 94.7 MB in the beginning and 92.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:25:19,782 INFO L339 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. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.0s, OverallIterations: 4, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 8 SDtfs, 22 SDslu, 0 SDs, 0 SdLazy, 132 SolverSat, 38 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 128 GetRequests, 107 SyntacticMatches, 3 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s 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 [2020-12-01 17:25:19,785 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-12-01 17:25:19,786 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 0.29 ms. Allocated memory is still 88.1 MB. Free memory is still 47.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 301.17 ms. Allocated memory is still 142.6 MB. Free memory was 115.6 MB in the beginning and 120.6 MB in the end (delta: -4.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 44.93 ms. Allocated memory is still 142.6 MB. Free memory was 120.6 MB in the beginning and 119.4 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 40.80 ms. Allocated memory is still 142.6 MB. Free memory was 119.4 MB in the beginning and 118.4 MB in the end (delta: 970.2 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 498.79 ms. Allocated memory is still 142.6 MB. Free memory was 118.4 MB in the beginning and 106.3 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * CodeCheck took 1141.69 ms. Allocated memory is still 142.6 MB. Free memory was 106.3 MB in the beginning and 94.7 MB in the end (delta: 11.6 MB). Peak memory consumption was 9.9 MB. Max. memory is 16.1 GB. * Witness Printer took 84.53 ms. Allocated memory is still 142.6 MB. Free memory was 94.7 MB in the beginning and 92.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 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...