./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-examples/sanfoundry_24-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_f1d6173b-3387-4edf-8df6-47d107e05563/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f1d6173b-3387-4edf-8df6-47d107e05563/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f1d6173b-3387-4edf-8df6-47d107e05563/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f1d6173b-3387-4edf-8df6-47d107e05563/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/array-examples/sanfoundry_24-1.i -s /tmp/vcloud-vcloud-master/worker/working_dir_f1d6173b-3387-4edf-8df6-47d107e05563/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f1d6173b-3387-4edf-8df6-47d107e05563/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9633849a7b58c2c6c6845d63f4474af8185fd385 .................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 10:11:24,628 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 10:11:24,629 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 10:11:24,638 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 10:11:24,638 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 10:11:24,639 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 10:11:24,640 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 10:11:24,641 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 10:11:24,642 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 10:11:24,644 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 10:11:24,645 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 10:11:24,647 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 10:11:24,647 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 10:11:24,648 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 10:11:24,649 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 10:11:24,650 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 10:11:24,651 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 10:11:24,651 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 10:11:24,653 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 10:11:24,655 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 10:11:24,656 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 10:11:24,657 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 10:11:24,658 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 10:11:24,667 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 10:11:24,670 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 10:11:24,674 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 10:11:24,674 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 10:11:24,675 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 10:11:24,675 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 10:11:24,676 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 10:11:24,676 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 10:11:24,677 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 10:11:24,678 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 10:11:24,682 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 10:11:24,683 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 10:11:24,683 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 10:11:24,683 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 10:11:24,684 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 10:11:24,684 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 10:11:24,685 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 10:11:24,685 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 10:11:24,686 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f1d6173b-3387-4edf-8df6-47d107e05563/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-10-22 10:11:24,704 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 10:11:24,707 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 10:11:24,708 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 10:11:24,708 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-10-22 10:11:24,708 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 10:11:24,709 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 10:11:24,709 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 10:11:24,709 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 10:11:24,709 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 10:11:24,709 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 10:11:24,710 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 10:11:24,710 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 10:11:24,710 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 10:11:24,710 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 10:11:24,710 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 10:11:24,710 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 10:11:24,711 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 10:11:24,711 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 10:11:24,711 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-10-22 10:11:24,711 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-10-22 10:11:24,711 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 10:11:24,711 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 10:11:24,711 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-10-22 10:11:24,712 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 10:11:24,712 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 10:11:24,712 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 10:11:24,712 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-10-22 10:11:24,712 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 10:11:24,712 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 10:11:24,712 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/working_dir_f1d6173b-3387-4edf-8df6-47d107e05563/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 ! call(__VERIFIER_error())) ) 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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9633849a7b58c2c6c6845d63f4474af8185fd385 [2019-10-22 10:11:24,735 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 10:11:24,748 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 10:11:24,751 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 10:11:24,753 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 10:11:24,753 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 10:11:24,753 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f1d6173b-3387-4edf-8df6-47d107e05563/bin/ukojak/../../sv-benchmarks/c/array-examples/sanfoundry_24-1.i [2019-10-22 10:11:24,803 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f1d6173b-3387-4edf-8df6-47d107e05563/bin/ukojak/data/97582a93f/309f9038554545459015a7af3aa78eee/FLAG5e8f7490e [2019-10-22 10:11:25,182 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 10:11:25,182 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f1d6173b-3387-4edf-8df6-47d107e05563/sv-benchmarks/c/array-examples/sanfoundry_24-1.i [2019-10-22 10:11:25,187 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f1d6173b-3387-4edf-8df6-47d107e05563/bin/ukojak/data/97582a93f/309f9038554545459015a7af3aa78eee/FLAG5e8f7490e [2019-10-22 10:11:25,199 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f1d6173b-3387-4edf-8df6-47d107e05563/bin/ukojak/data/97582a93f/309f9038554545459015a7af3aa78eee [2019-10-22 10:11:25,202 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 10:11:25,205 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 10:11:25,206 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 10:11:25,206 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 10:11:25,209 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 10:11:25,210 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:11:25" (1/1) ... [2019-10-22 10:11:25,212 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40fcd496 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:11:25, skipping insertion in model container [2019-10-22 10:11:25,213 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:11:25" (1/1) ... [2019-10-22 10:11:25,219 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 10:11:25,234 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 10:11:25,389 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:11:25,393 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 10:11:25,470 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:11:25,483 INFO L192 MainTranslator]: Completed translation [2019-10-22 10:11:25,484 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:11:25 WrapperNode [2019-10-22 10:11:25,484 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 10:11:25,485 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 10:11:25,485 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 10:11:25,485 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 10:11:25,493 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:11:25" (1/1) ... [2019-10-22 10:11:25,500 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:11:25" (1/1) ... [2019-10-22 10:11:25,517 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 10:11:25,518 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 10:11:25,518 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 10:11:25,518 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 10:11:25,524 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:11:25" (1/1) ... [2019-10-22 10:11:25,525 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:11:25" (1/1) ... [2019-10-22 10:11:25,526 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:11:25" (1/1) ... [2019-10-22 10:11:25,526 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:11:25" (1/1) ... [2019-10-22 10:11:25,531 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:11:25" (1/1) ... [2019-10-22 10:11:25,535 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:11:25" (1/1) ... [2019-10-22 10:11:25,536 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:11:25" (1/1) ... [2019-10-22 10:11:25,537 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 10:11:25,538 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 10:11:25,538 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 10:11:25,538 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 10:11:25,539 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:11:25" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f1d6173b-3387-4edf-8df6-47d107e05563/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 [2019-10-22 10:11:25,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-22 10:11:25,606 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 10:11:25,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 10:11:25,607 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-22 10:11:25,608 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-10-22 10:11:25,608 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-10-22 10:11:25,608 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 10:11:25,608 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 10:11:25,939 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 10:11:25,939 INFO L284 CfgBuilder]: Removed 11 assume(true) statements. [2019-10-22 10:11:25,940 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:11:25 BoogieIcfgContainer [2019-10-22 10:11:25,941 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 10:11:25,941 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-10-22 10:11:25,941 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-10-22 10:11:25,953 INFO L275 PluginConnector]: CodeCheck initialized [2019-10-22 10:11:25,953 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:11:25" (1/1) ... [2019-10-22 10:11:25,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 10:11:25,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:11:26,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 19 states and 25 transitions. [2019-10-22 10:11:26,001 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 25 transitions. [2019-10-22 10:11:26,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-10-22 10:11:26,004 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:11:26,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:11:26,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:11:26,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:11:26,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 21 states and 30 transitions. [2019-10-22 10:11:26,217 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 30 transitions. [2019-10-22 10:11:26,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-10-22 10:11:26,221 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:11:26,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:11:26,415 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-22 10:11:26,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:11:26,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 23 states and 32 transitions. [2019-10-22 10:11:26,531 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 32 transitions. [2019-10-22 10:11:26,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-10-22 10:11:26,534 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:11:26,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:11:26,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:11:26,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:11:26,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 24 states and 35 transitions. [2019-10-22 10:11:26,624 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 35 transitions. [2019-10-22 10:11:26,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-10-22 10:11:26,625 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:11:26,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:11:26,709 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:11:26,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:11:26,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 25 states and 36 transitions. [2019-10-22 10:11:26,861 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 36 transitions. [2019-10-22 10:11:26,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-10-22 10:11:26,862 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:11:26,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:11:27,014 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 10:11:27,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:11:27,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 21 states and 32 transitions. [2019-10-22 10:11:27,239 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 32 transitions. [2019-10-22 10:11:27,239 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 10:11:27,239 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2019-10-22 10:11:27,247 INFO L771 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-10-22 10:11:27,276 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:11:27,280 INFO L575 CodeCheckObserver]: Invariant with dag size 6 [2019-10-22 10:11:27,285 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:11:27,286 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 22.10 10:11:27 ImpRootNode [2019-10-22 10:11:27,286 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-10-22 10:11:27,287 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 10:11:27,290 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 10:11:27,290 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 10:11:27,290 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:11:25" (3/4) ... [2019-10-22 10:11:27,294 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 10:11:27,299 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2019-10-22 10:11:27,303 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2019-10-22 10:11:27,303 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-10-22 10:11:27,303 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 10:11:27,355 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_f1d6173b-3387-4edf-8df6-47d107e05563/bin/ukojak/witness.graphml [2019-10-22 10:11:27,358 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 10:11:27,360 INFO L168 Benchmark]: Toolchain (without parser) took 2156.90 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 944.5 MB in the beginning and 991.4 MB in the end (delta: -46.9 MB). Peak memory consumption was 92.6 MB. Max. memory is 11.5 GB. [2019-10-22 10:11:27,361 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 960.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 10:11:27,361 INFO L168 Benchmark]: CACSL2BoogieTranslator took 278.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 944.5 MB in the beginning and 1.1 GB in the end (delta: -192.4 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. [2019-10-22 10:11:27,362 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.74 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2019-10-22 10:11:27,362 INFO L168 Benchmark]: Boogie Preprocessor took 19.92 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. [2019-10-22 10:11:27,363 INFO L168 Benchmark]: RCFGBuilder took 402.82 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: 29.1 MB). Peak memory consumption was 29.1 MB. Max. memory is 11.5 GB. [2019-10-22 10:11:27,363 INFO L168 Benchmark]: CodeCheck took 1345.11 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 996.7 MB in the end (delta: 108.3 MB). Peak memory consumption was 108.3 MB. Max. memory is 11.5 GB. [2019-10-22 10:11:27,364 INFO L168 Benchmark]: Witness Printer took 71.94 ms. Allocated memory is still 1.2 GB. Free memory was 996.7 MB in the beginning and 991.4 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-10-22 10:11:27,367 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 2 procedures, 19 locations, 1 error locations. Result: SAFE, OverallTime: 1.2s, OverallIterations: 6, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 238 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 636 SolverSat, 264 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 397 GetRequests, 368 SyntacticMatches, 5 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 49 NumberOfCodeBlocks, 49 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 44 ConstructedInterpolants, 0 QuantifiedInterpolants, 1164 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 4 PerfectInterpolantSequences, 3/4 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: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: i == 0 || 0 < num - InvariantResult [Line: 28]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 960.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 278.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 944.5 MB in the beginning and 1.1 GB in the end (delta: -192.4 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 32.74 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.92 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. * RCFGBuilder took 402.82 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: 29.1 MB). Peak memory consumption was 29.1 MB. Max. memory is 11.5 GB. * CodeCheck took 1345.11 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 996.7 MB in the end (delta: 108.3 MB). Peak memory consumption was 108.3 MB. Max. memory is 11.5 GB. * Witness Printer took 71.94 ms. Allocated memory is still 1.2 GB. Free memory was 996.7 MB in the beginning and 991.4 MB 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...