./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-lit/jm2006.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_3b09ae30-ad1b-497c-9c76-2323ac1f7d94/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_3b09ae30-ad1b-497c-9c76-2323ac1f7d94/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_3b09ae30-ad1b-497c-9c76-2323ac1f7d94/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_3b09ae30-ad1b-497c-9c76-2323ac1f7d94/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-lit/jm2006.i -s /tmp/vcloud-vcloud-master/worker/run_dir_3b09ae30-ad1b-497c-9c76-2323ac1f7d94/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_3b09ae30-ad1b-497c-9c76-2323ac1f7d94/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 24166db6f541d35bbfd02c8f0491b41b1a3db1de ................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 20:04:41,627 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 20:04:41,637 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 20:04:41,731 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 20:04:41,732 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 20:04:41,733 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 20:04:41,736 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 20:04:41,739 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 20:04:41,742 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 20:04:41,744 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 20:04:41,745 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 20:04:41,748 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 20:04:41,748 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 20:04:41,750 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 20:04:41,752 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 20:04:41,754 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 20:04:41,755 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 20:04:41,757 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 20:04:41,760 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 20:04:41,763 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 20:04:41,766 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 20:04:41,768 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 20:04:41,771 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 20:04:41,772 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 20:04:41,777 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 20:04:41,778 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 20:04:41,778 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 20:04:41,780 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 20:04:41,781 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 20:04:41,782 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 20:04:41,783 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 20:04:41,784 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 20:04:41,786 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 20:04:41,787 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 20:04:41,789 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 20:04:41,789 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 20:04:41,791 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 20:04:41,791 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 20:04:41,792 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 20:04:41,794 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 20:04:41,801 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 20:04:41,802 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_3b09ae30-ad1b-497c-9c76-2323ac1f7d94/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-29 20:04:41,854 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 20:04:41,855 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 20:04:41,857 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-29 20:04:41,858 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-29 20:04:41,859 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 20:04:41,859 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 20:04:41,860 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 20:04:41,860 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 20:04:41,860 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 20:04:41,861 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 20:04:41,862 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 20:04:41,863 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 20:04:41,863 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 20:04:41,863 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 20:04:41,864 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 20:04:41,864 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 20:04:41,864 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 20:04:41,865 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 20:04:41,865 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-29 20:04:41,865 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-29 20:04:41,866 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 20:04:41,866 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 20:04:41,866 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-29 20:04:41,867 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 20:04:41,867 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 20:04:41,867 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 20:04:41,867 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-29 20:04:41,868 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 20:04:41,868 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 20:04:41,871 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_3b09ae30-ad1b-497c-9c76-2323ac1f7d94/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_3b09ae30-ad1b-497c-9c76-2323ac1f7d94/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 24166db6f541d35bbfd02c8f0491b41b1a3db1de [2020-11-29 20:04:42,192 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 20:04:42,223 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 20:04:42,227 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 20:04:42,229 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 20:04:42,230 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 20:04:42,231 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_3b09ae30-ad1b-497c-9c76-2323ac1f7d94/bin/ukojak/../../sv-benchmarks/c/loop-lit/jm2006.i [2020-11-29 20:04:42,334 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3b09ae30-ad1b-497c-9c76-2323ac1f7d94/bin/ukojak/data/21fe5c399/6e0358ec513d49afaa4bdadcd0ca41ac/FLAG3f47d7d4b [2020-11-29 20:04:42,974 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 20:04:42,975 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_3b09ae30-ad1b-497c-9c76-2323ac1f7d94/sv-benchmarks/c/loop-lit/jm2006.i [2020-11-29 20:04:42,983 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3b09ae30-ad1b-497c-9c76-2323ac1f7d94/bin/ukojak/data/21fe5c399/6e0358ec513d49afaa4bdadcd0ca41ac/FLAG3f47d7d4b [2020-11-29 20:04:43,323 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_3b09ae30-ad1b-497c-9c76-2323ac1f7d94/bin/ukojak/data/21fe5c399/6e0358ec513d49afaa4bdadcd0ca41ac [2020-11-29 20:04:43,327 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 20:04:43,329 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 20:04:43,334 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 20:04:43,334 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 20:04:43,338 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 20:04:43,340 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 08:04:43" (1/1) ... [2020-11-29 20:04:43,342 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43ad2784 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:04:43, skipping insertion in model container [2020-11-29 20:04:43,343 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 08:04:43" (1/1) ... [2020-11-29 20:04:43,351 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 20:04:43,371 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 20:04:43,603 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 20:04:43,615 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 20:04:43,647 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 20:04:43,673 INFO L208 MainTranslator]: Completed translation [2020-11-29 20:04:43,674 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:04:43 WrapperNode [2020-11-29 20:04:43,674 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 20:04:43,675 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 20:04:43,676 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 20:04:43,676 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 20:04:43,684 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:04:43" (1/1) ... [2020-11-29 20:04:43,694 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:04:43" (1/1) ... [2020-11-29 20:04:43,720 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 20:04:43,721 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 20:04:43,726 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 20:04:43,726 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 20:04:43,734 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:04:43" (1/1) ... [2020-11-29 20:04:43,735 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:04:43" (1/1) ... [2020-11-29 20:04:43,736 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:04:43" (1/1) ... [2020-11-29 20:04:43,737 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:04:43" (1/1) ... [2020-11-29 20:04:43,740 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:04:43" (1/1) ... [2020-11-29 20:04:43,745 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:04:43" (1/1) ... [2020-11-29 20:04:43,747 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:04:43" (1/1) ... [2020-11-29 20:04:43,749 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 20:04:43,751 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 20:04:43,751 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 20:04:43,751 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 20:04:43,756 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:04:43" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3b09ae30-ad1b-497c-9c76-2323ac1f7d94/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 [2020-11-29 20:04:43,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 20:04:43,846 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 20:04:43,846 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 20:04:43,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 20:04:44,189 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 20:04:44,190 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-29 20:04:44,192 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 08:04:44 BoogieIcfgContainer [2020-11-29 20:04:44,193 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 20:04:44,194 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-29 20:04:44,194 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-29 20:04:44,222 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-29 20:04:44,222 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 08:04:44" (1/1) ... [2020-11-29 20:04:44,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:04:44,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:04:44,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2020-11-29 20:04:44,299 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2020-11-29 20:04:44,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-11-29 20:04:44,303 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:04:44,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:04:44,745 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 17 DAG size of output: 16 [2020-11-29 20:04:44,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:04:45,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:04:45,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 14 states and 19 transitions. [2020-11-29 20:04:45,111 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 19 transitions. [2020-11-29 20:04:45,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-11-29 20:04:45,112 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:04:45,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:04:45,317 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:04:45,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:04:45,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2020-11-29 20:04:45,525 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2020-11-29 20:04:45,525 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 20:04:45,526 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 3 iterations. [2020-11-29 20:04:45,537 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-11-29 20:04:45,582 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 20:04:45,588 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2020-11-29 20:04:45,599 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 20:04:45,600 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.11 08:04:45 ImpRootNode [2020-11-29 20:04:45,600 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-29 20:04:45,604 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 20:04:45,605 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 20:04:45,605 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 20:04:45,606 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 08:04:44" (3/4) ... [2020-11-29 20:04:45,610 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 20:04:45,626 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2020-11-29 20:04:45,626 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-29 20:04:45,627 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 20:04:45,627 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 20:04:45,721 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_3b09ae30-ad1b-497c-9c76-2323ac1f7d94/bin/ukojak/witness.graphml [2020-11-29 20:04:45,722 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 20:04:45,724 INFO L168 Benchmark]: Toolchain (without parser) took 2393.91 ms. Allocated memory was 92.3 MB in the beginning and 111.1 MB in the end (delta: 18.9 MB). Free memory was 63.2 MB in the beginning and 54.5 MB in the end (delta: 8.7 MB). Peak memory consumption was 25.8 MB. Max. memory is 16.1 GB. [2020-11-29 20:04:45,725 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 92.3 MB. Free memory was 51.4 MB in the beginning and 51.4 MB in the end (delta: 62.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 20:04:45,726 INFO L168 Benchmark]: CACSL2BoogieTranslator took 340.54 ms. Allocated memory is still 92.3 MB. Free memory was 62.9 MB in the beginning and 71.0 MB in the end (delta: -8.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-29 20:04:45,726 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.68 ms. Allocated memory is still 92.3 MB. Free memory was 71.0 MB in the beginning and 69.3 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 20:04:45,727 INFO L168 Benchmark]: Boogie Preprocessor took 28.60 ms. Allocated memory is still 92.3 MB. Free memory was 69.3 MB in the beginning and 68.4 MB in the end (delta: 874.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 20:04:45,728 INFO L168 Benchmark]: RCFGBuilder took 442.40 ms. Allocated memory is still 92.3 MB. Free memory was 68.4 MB in the beginning and 55.1 MB in the end (delta: 13.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-29 20:04:45,729 INFO L168 Benchmark]: CodeCheck took 1406.02 ms. Allocated memory was 92.3 MB in the beginning and 111.1 MB in the end (delta: 18.9 MB). Free memory was 55.1 MB in the beginning and 57.1 MB in the end (delta: -2.1 MB). Peak memory consumption was 18.3 MB. Max. memory is 16.1 GB. [2020-11-29 20:04:45,729 INFO L168 Benchmark]: Witness Printer took 117.71 ms. Allocated memory is still 111.1 MB. Free memory was 57.1 MB in the beginning and 54.5 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 20:04:45,733 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, 12 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.2s, OverallIterations: 3, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 10 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 48 SolverSat, 24 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 116 GetRequests, 102 SyntacticMatches, 4 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 13 ConstructedInterpolants, 0 QuantifiedInterpolants, 794 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 0/1 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: 12]: 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: 1 - InvariantResult [Line: 31]: Loop Invariant Derived loop invariant: y + i <= x + j && x + j <= y + i - InvariantResult [Line: 35]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 92.3 MB. Free memory was 51.4 MB in the beginning and 51.4 MB in the end (delta: 62.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 340.54 ms. Allocated memory is still 92.3 MB. Free memory was 62.9 MB in the beginning and 71.0 MB in the end (delta: -8.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 44.68 ms. Allocated memory is still 92.3 MB. Free memory was 71.0 MB in the beginning and 69.3 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 28.60 ms. Allocated memory is still 92.3 MB. Free memory was 69.3 MB in the beginning and 68.4 MB in the end (delta: 874.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 442.40 ms. Allocated memory is still 92.3 MB. Free memory was 68.4 MB in the beginning and 55.1 MB in the end (delta: 13.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * CodeCheck took 1406.02 ms. Allocated memory was 92.3 MB in the beginning and 111.1 MB in the end (delta: 18.9 MB). Free memory was 55.1 MB in the beginning and 57.1 MB in the end (delta: -2.1 MB). Peak memory consumption was 18.3 MB. Max. memory is 16.1 GB. * Witness Printer took 117.71 ms. Allocated memory is still 111.1 MB. Free memory was 57.1 MB in the beginning and 54.5 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...