./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-zilu/benchmark17_conjunctive.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_fbd78095-9cd0-4489-98c7-e6a6fe7b4d2c/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_fbd78095-9cd0-4489-98c7-e6a6fe7b4d2c/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_fbd78095-9cd0-4489-98c7-e6a6fe7b4d2c/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_fbd78095-9cd0-4489-98c7-e6a6fe7b4d2c/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-zilu/benchmark17_conjunctive.i -s /tmp/vcloud-vcloud-master/worker/run_dir_fbd78095-9cd0-4489-98c7-e6a6fe7b4d2c/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_fbd78095-9cd0-4489-98c7-e6a6fe7b4d2c/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b378e4d816fc03ad4f0d55b7b28d5e925e1eecc3 ..................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 01:10:20,043 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 01:10:20,046 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 01:10:20,105 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 01:10:20,105 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 01:10:20,112 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 01:10:20,116 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 01:10:20,124 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 01:10:20,126 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 01:10:20,127 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 01:10:20,128 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 01:10:20,129 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 01:10:20,129 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 01:10:20,131 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 01:10:20,132 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 01:10:20,134 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 01:10:20,135 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 01:10:20,143 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 01:10:20,145 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 01:10:20,148 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 01:10:20,150 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 01:10:20,157 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 01:10:20,159 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 01:10:20,160 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 01:10:20,163 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 01:10:20,164 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 01:10:20,164 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 01:10:20,165 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 01:10:20,166 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 01:10:20,167 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 01:10:20,168 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 01:10:20,175 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 01:10:20,177 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 01:10:20,179 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 01:10:20,180 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 01:10:20,181 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 01:10:20,182 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 01:10:20,182 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 01:10:20,182 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 01:10:20,183 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 01:10:20,184 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 01:10:20,187 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_fbd78095-9cd0-4489-98c7-e6a6fe7b4d2c/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-30 01:10:20,225 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 01:10:20,225 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 01:10:20,227 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-30 01:10:20,227 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-30 01:10:20,228 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 01:10:20,228 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 01:10:20,228 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 01:10:20,229 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 01:10:20,229 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 01:10:20,229 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 01:10:20,230 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 01:10:20,231 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 01:10:20,231 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 01:10:20,231 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 01:10:20,231 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 01:10:20,231 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 01:10:20,232 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 01:10:20,232 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 01:10:20,232 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-30 01:10:20,232 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-30 01:10:20,233 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 01:10:20,233 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 01:10:20,233 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-30 01:10:20,233 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 01:10:20,233 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 01:10:20,234 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 01:10:20,234 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-30 01:10:20,234 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 01:10:20,234 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 01:10:20,235 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_fbd78095-9cd0-4489-98c7-e6a6fe7b4d2c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_fbd78095-9cd0-4489-98c7-e6a6fe7b4d2c/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b378e4d816fc03ad4f0d55b7b28d5e925e1eecc3 [2020-11-30 01:10:20,501 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 01:10:20,540 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 01:10:20,543 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 01:10:20,544 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 01:10:20,545 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 01:10:20,546 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_fbd78095-9cd0-4489-98c7-e6a6fe7b4d2c/bin/ukojak/../../sv-benchmarks/c/loop-zilu/benchmark17_conjunctive.i [2020-11-30 01:10:20,622 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_fbd78095-9cd0-4489-98c7-e6a6fe7b4d2c/bin/ukojak/data/160ef87f0/51d0cff4b7a44e14bd10187290cd076d/FLAG66fafbc1b [2020-11-30 01:10:21,119 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 01:10:21,120 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_fbd78095-9cd0-4489-98c7-e6a6fe7b4d2c/sv-benchmarks/c/loop-zilu/benchmark17_conjunctive.i [2020-11-30 01:10:21,126 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_fbd78095-9cd0-4489-98c7-e6a6fe7b4d2c/bin/ukojak/data/160ef87f0/51d0cff4b7a44e14bd10187290cd076d/FLAG66fafbc1b [2020-11-30 01:10:21,478 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_fbd78095-9cd0-4489-98c7-e6a6fe7b4d2c/bin/ukojak/data/160ef87f0/51d0cff4b7a44e14bd10187290cd076d [2020-11-30 01:10:21,482 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 01:10:21,483 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 01:10:21,485 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 01:10:21,485 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 01:10:21,489 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 01:10:21,489 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:10:21" (1/1) ... [2020-11-30 01:10:21,491 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6441948e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:10:21, skipping insertion in model container [2020-11-30 01:10:21,492 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:10:21" (1/1) ... [2020-11-30 01:10:21,499 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 01:10:21,513 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 01:10:21,669 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:10:21,710 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 01:10:21,725 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:10:21,739 INFO L208 MainTranslator]: Completed translation [2020-11-30 01:10:21,740 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:10:21 WrapperNode [2020-11-30 01:10:21,740 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 01:10:21,741 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 01:10:21,742 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 01:10:21,742 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 01:10:21,749 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:10:21" (1/1) ... [2020-11-30 01:10:21,756 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:10:21" (1/1) ... [2020-11-30 01:10:21,773 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 01:10:21,774 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 01:10:21,774 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 01:10:21,774 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 01:10:21,782 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:10:21" (1/1) ... [2020-11-30 01:10:21,782 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:10:21" (1/1) ... [2020-11-30 01:10:21,784 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:10:21" (1/1) ... [2020-11-30 01:10:21,784 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:10:21" (1/1) ... [2020-11-30 01:10:21,787 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:10:21" (1/1) ... [2020-11-30 01:10:21,791 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:10:21" (1/1) ... [2020-11-30 01:10:21,792 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:10:21" (1/1) ... [2020-11-30 01:10:21,794 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 01:10:21,795 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 01:10:21,795 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 01:10:21,795 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 01:10:21,796 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:10:21" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fbd78095-9cd0-4489-98c7-e6a6fe7b4d2c/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 [2020-11-30 01:10:21,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 01:10:21,862 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 01:10:21,863 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 01:10:21,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 01:10:22,158 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 01:10:22,158 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-30 01:10:22,160 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:10:22 BoogieIcfgContainer [2020-11-30 01:10:22,160 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 01:10:22,161 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-30 01:10:22,161 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-30 01:10:22,171 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-30 01:10:22,172 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:10:22" (1/1) ... [2020-11-30 01:10:22,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:10:22,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:10:22,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2020-11-30 01:10:22,215 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2020-11-30 01:10:22,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-11-30 01:10:22,218 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 01:10:22,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:10:22,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:10:22,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 01:10:22,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2020-11-30 01:10:22,486 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2020-11-30 01:10:22,486 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-30 01:10:22,486 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2020-11-30 01:10:22,492 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-11-30 01:10:22,518 INFO L569 CodeCheckObserver]: Invariant with dag size 3 [2020-11-30 01:10:22,529 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 01:10:22,530 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 30.11 01:10:22 ImpRootNode [2020-11-30 01:10:22,530 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-30 01:10:22,534 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 01:10:22,535 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 01:10:22,535 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 01:10:22,536 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:10:22" (3/4) ... [2020-11-30 01:10:22,541 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-30 01:10:22,557 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-30 01:10:22,557 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2020-11-30 01:10:22,557 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 01:10:22,558 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 01:10:22,614 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_fbd78095-9cd0-4489-98c7-e6a6fe7b4d2c/bin/ukojak/witness.graphml [2020-11-30 01:10:22,614 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 01:10:22,616 INFO L168 Benchmark]: Toolchain (without parser) took 1131.83 ms. Allocated memory was 109.1 MB in the beginning and 140.5 MB in the end (delta: 31.5 MB). Free memory was 82.1 MB in the beginning and 116.3 MB in the end (delta: -34.2 MB). Peak memory consumption was 525.3 kB. Max. memory is 16.1 GB. [2020-11-30 01:10:22,617 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 109.1 MB. Free memory is still 65.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:10:22,618 INFO L168 Benchmark]: CACSL2BoogieTranslator took 255.64 ms. Allocated memory is still 109.1 MB. Free memory was 81.9 MB in the beginning and 84.0 MB in the end (delta: -2.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-30 01:10:22,619 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.56 ms. Allocated memory is still 109.1 MB. Free memory was 84.0 MB in the beginning and 82.5 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 01:10:22,620 INFO L168 Benchmark]: Boogie Preprocessor took 20.36 ms. Allocated memory is still 109.1 MB. Free memory was 82.5 MB in the beginning and 81.6 MB in the end (delta: 937.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:10:22,620 INFO L168 Benchmark]: RCFGBuilder took 365.61 ms. Allocated memory is still 109.1 MB. Free memory was 81.4 MB in the beginning and 68.1 MB in the end (delta: 13.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-30 01:10:22,629 INFO L168 Benchmark]: CodeCheck took 369.13 ms. Allocated memory was 109.1 MB in the beginning and 140.5 MB in the end (delta: 31.5 MB). Free memory was 67.9 MB in the beginning and 115.5 MB in the end (delta: -47.7 MB). Peak memory consumption was 18.3 MB. Max. memory is 16.1 GB. [2020-11-30 01:10:22,631 INFO L168 Benchmark]: Witness Printer took 79.66 ms. Allocated memory is still 140.5 MB. Free memory was 115.5 MB in the beginning and 116.3 MB in the end (delta: -845.8 kB). Peak memory consumption was 2.7 MB. Max. memory is 16.1 GB. [2020-11-30 01:10:22,639 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, 10 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.2s, OverallIterations: 2, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 5 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 10 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 43 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 50 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 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: 11]: 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: 24]: Loop Invariant Derived loop invariant: i <= k - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 109.1 MB. Free memory is still 65.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 255.64 ms. Allocated memory is still 109.1 MB. Free memory was 81.9 MB in the beginning and 84.0 MB in the end (delta: -2.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 31.56 ms. Allocated memory is still 109.1 MB. Free memory was 84.0 MB in the beginning and 82.5 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 20.36 ms. Allocated memory is still 109.1 MB. Free memory was 82.5 MB in the beginning and 81.6 MB in the end (delta: 937.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 365.61 ms. Allocated memory is still 109.1 MB. Free memory was 81.4 MB in the beginning and 68.1 MB in the end (delta: 13.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * CodeCheck took 369.13 ms. Allocated memory was 109.1 MB in the beginning and 140.5 MB in the end (delta: 31.5 MB). Free memory was 67.9 MB in the beginning and 115.5 MB in the end (delta: -47.7 MB). Peak memory consumption was 18.3 MB. Max. memory is 16.1 GB. * Witness Printer took 79.66 ms. Allocated memory is still 140.5 MB. Free memory was 115.5 MB in the beginning and 116.3 MB in the end (delta: -845.8 kB). Peak memory consumption was 2.7 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...