./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 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bbb9d2d-3b52-4817-9218-8ee19f7cce52/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bbb9d2d-3b52-4817-9218-8ee19f7cce52/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bbb9d2d-3b52-4817-9218-8ee19f7cce52/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bbb9d2d-3b52-4817-9218-8ee19f7cce52/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/loop-lit/jm2006.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bbb9d2d-3b52-4817-9218-8ee19f7cce52/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bbb9d2d-3b52-4817-9218-8ee19f7cce52/bin/utaipan-WLngWcDbfI --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 Taipan --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 0.2.0-7b2dab5 [2021-10-11 02:24:21,165 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:24:21,168 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:24:21,219 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:24:21,220 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:24:21,225 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:24:21,228 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:24:21,232 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:24:21,235 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:24:21,243 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:24:21,244 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:24:21,245 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:24:21,246 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:24:21,250 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:24:21,251 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:24:21,253 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:24:21,256 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:24:21,261 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:24:21,263 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:24:21,269 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:24:21,271 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:24:21,273 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:24:21,274 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:24:21,275 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:24:21,279 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:24:21,279 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:24:21,280 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:24:21,281 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:24:21,282 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:24:21,283 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:24:21,283 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:24:21,284 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:24:21,286 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:24:21,287 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:24:21,288 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:24:21,288 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:24:21,289 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:24:21,289 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:24:21,290 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:24:21,291 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:24:21,292 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:24:21,292 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bbb9d2d-3b52-4817-9218-8ee19f7cce52/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-11 02:24:21,319 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:24:21,319 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:24:21,320 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:24:21,321 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:24:21,321 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:24:21,321 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:24:21,321 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:24:21,321 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:24:21,322 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:24:21,322 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:24:21,322 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:24:21,322 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:24:21,323 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:24:21,323 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:24:21,323 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:24:21,324 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:24:21,324 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:24:21,324 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:24:21,325 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:24:21,325 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:24:21,325 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:24:21,325 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:24:21,325 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:24:21,326 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:24:21,326 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:24:21,326 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:24:21,326 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:24:21,327 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:24:21,327 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:24:21,327 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:24:21,327 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:24:21,327 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:24:21,328 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:24:21,328 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:24:21,328 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:24:21,328 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:24:21,328 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:24:21,329 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:24:21,329 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:24:21,329 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_worker_vcloud-master_on_vcloud-master/run_dir_6bbb9d2d-3b52-4817-9218-8ee19f7cce52/bin/utaipan-WLngWcDbfI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bbb9d2d-3b52-4817-9218-8ee19f7cce52/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 24166db6f541d35bbfd02c8f0491b41b1a3db1de [2021-10-11 02:24:21,612 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:24:21,639 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:24:21,649 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:24:21,650 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:24:21,651 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:24:21,652 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bbb9d2d-3b52-4817-9218-8ee19f7cce52/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/loop-lit/jm2006.i [2021-10-11 02:24:21,743 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bbb9d2d-3b52-4817-9218-8ee19f7cce52/bin/utaipan-WLngWcDbfI/data/952d0bd94/6ee9260e909147d8b96682fa100db9dd/FLAGc608575c7 [2021-10-11 02:24:22,243 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:24:22,243 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bbb9d2d-3b52-4817-9218-8ee19f7cce52/sv-benchmarks/c/loop-lit/jm2006.i [2021-10-11 02:24:22,250 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bbb9d2d-3b52-4817-9218-8ee19f7cce52/bin/utaipan-WLngWcDbfI/data/952d0bd94/6ee9260e909147d8b96682fa100db9dd/FLAGc608575c7 [2021-10-11 02:24:22,595 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bbb9d2d-3b52-4817-9218-8ee19f7cce52/bin/utaipan-WLngWcDbfI/data/952d0bd94/6ee9260e909147d8b96682fa100db9dd [2021-10-11 02:24:22,597 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:24:22,599 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:24:22,600 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:24:22,601 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:24:22,604 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:24:22,604 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:24:22" (1/1) ... [2021-10-11 02:24:22,606 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@292b42ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:24:22, skipping insertion in model container [2021-10-11 02:24:22,607 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:24:22" (1/1) ... [2021-10-11 02:24:22,614 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:24:22,639 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:24:22,809 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bbb9d2d-3b52-4817-9218-8ee19f7cce52/sv-benchmarks/c/loop-lit/jm2006.i[895,908] [2021-10-11 02:24:22,819 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:24:22,829 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:24:22,843 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bbb9d2d-3b52-4817-9218-8ee19f7cce52/sv-benchmarks/c/loop-lit/jm2006.i[895,908] [2021-10-11 02:24:22,847 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:24:22,862 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:24:22,862 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:24:22 WrapperNode [2021-10-11 02:24:22,862 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:24:22,863 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:24:22,864 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:24:22,864 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:24:22,872 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:24:22" (1/1) ... [2021-10-11 02:24:22,879 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:24:22" (1/1) ... [2021-10-11 02:24:22,897 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:24:22,898 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:24:22,898 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:24:22,898 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:24:22,908 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:24:22" (1/1) ... [2021-10-11 02:24:22,908 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:24:22" (1/1) ... [2021-10-11 02:24:22,909 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:24:22" (1/1) ... [2021-10-11 02:24:22,909 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:24:22" (1/1) ... [2021-10-11 02:24:22,913 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:24:22" (1/1) ... [2021-10-11 02:24:22,917 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:24:22" (1/1) ... [2021-10-11 02:24:22,918 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:24:22" (1/1) ... [2021-10-11 02:24:22,920 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:24:22,921 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:24:22,921 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:24:22,921 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:24:22,922 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:24:22" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bbb9d2d-3b52-4817-9218-8ee19f7cce52/bin/utaipan-WLngWcDbfI/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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:2000 [2021-10-11 02:24:22,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-11 02:24:22,999 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:24:22,999 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:24:22,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:24:23,270 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:24:23,270 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-11 02:24:23,273 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:24:23 BoogieIcfgContainer [2021-10-11 02:24:23,273 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:24:23,275 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:24:23,275 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:24:23,302 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:24:23,302 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:24:22" (1/3) ... [2021-10-11 02:24:23,303 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f553e0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:24:23, skipping insertion in model container [2021-10-11 02:24:23,304 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:24:22" (2/3) ... [2021-10-11 02:24:23,304 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f553e0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:24:23, skipping insertion in model container [2021-10-11 02:24:23,304 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:24:23" (3/3) ... [2021-10-11 02:24:23,306 INFO L111 eAbstractionObserver]: Analyzing ICFG jm2006.i [2021-10-11 02:24:23,321 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:24:23,324 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-10-11 02:24:23,346 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-11 02:24:23,374 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:24:23,374 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:24:23,374 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:24:23,375 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:24:23,375 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:24:23,375 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:24:23,375 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:24:23,375 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:24:23,393 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states. [2021-10-11 02:24:23,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-11 02:24:23,400 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:24:23,401 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-10-11 02:24:23,402 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:24:23,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:24:23,413 INFO L82 PathProgramCache]: Analyzing trace with hash 2040407534, now seen corresponding path program 1 times [2021-10-11 02:24:23,427 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:24:23,427 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870628974] [2021-10-11 02:24:23,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:24:23,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:24:23,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:24:23,825 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1870628974] [2021-10-11 02:24:23,826 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:24:23,826 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:24:23,827 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974433097] [2021-10-11 02:24:23,832 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:24:23,833 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-11 02:24:23,847 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:24:23,848 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:24:23,850 INFO L87 Difference]: Start difference. First operand 10 states. Second operand 5 states. [2021-10-11 02:24:23,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:24:23,988 INFO L93 Difference]: Finished difference Result 27 states and 29 transitions. [2021-10-11 02:24:23,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 02:24:23,990 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 6 [2021-10-11 02:24:23,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:24:23,999 INFO L225 Difference]: With dead ends: 27 [2021-10-11 02:24:23,999 INFO L226 Difference]: Without dead ends: 8 [2021-10-11 02:24:24,002 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-11 02:24:24,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2021-10-11 02:24:24,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2021-10-11 02:24:24,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-10-11 02:24:24,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2021-10-11 02:24:24,037 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 8 transitions. Word has length 6 [2021-10-11 02:24:24,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:24:24,038 INFO L481 AbstractCegarLoop]: Abstraction has 8 states and 8 transitions. [2021-10-11 02:24:24,038 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:24:24,038 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2021-10-11 02:24:24,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-11 02:24:24,039 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:24:24,039 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:24:24,039 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-11 02:24:24,040 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:24:24,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:24:24,041 INFO L82 PathProgramCache]: Analyzing trace with hash -1195294530, now seen corresponding path program 1 times [2021-10-11 02:24:24,041 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:24:24,042 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [781590341] [2021-10-11 02:24:24,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:24:24,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:24:24,210 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:24:24,211 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [781590341] [2021-10-11 02:24:24,212 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1798658055] [2021-10-11 02:24:24,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bbb9d2d-3b52-4817-9218-8ee19f7cce52/bin/utaipan-WLngWcDbfI/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 02:24:24,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:24:24,274 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 15 conjunts are in the unsatisfiable core [2021-10-11 02:24:24,281 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:24:24,451 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:24:24,451 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:24:24,495 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2021-10-11 02:24:24,592 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:24:24,593 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1204321783] [2021-10-11 02:24:24,628 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2021-10-11 02:24:24,628 INFO L166 IcfgInterpreter]: Building call graph [2021-10-11 02:24:24,637 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-10-11 02:24:24,648 INFO L176 IcfgInterpreter]: Starting interpretation [2021-10-11 02:24:24,649 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-10-11 02:24:25,089 INFO L180 IcfgInterpreter]: Interpretation finished [2021-10-11 02:24:25,693 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-10-11 02:24:25,694 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-10-11 02:24:25,694 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 13 [2021-10-11 02:24:25,695 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842915937] [2021-10-11 02:24:25,696 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-10-11 02:24:25,697 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-11 02:24:25,699 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-11 02:24:25,701 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=245, Unknown=0, NotChecked=0, Total=306 [2021-10-11 02:24:25,702 INFO L87 Difference]: Start difference. First operand 8 states and 8 transitions. Second operand 13 states. [2021-10-11 02:24:25,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:24:25,874 INFO L93 Difference]: Finished difference Result 11 states and 12 transitions. [2021-10-11 02:24:25,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-11 02:24:25,875 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 7 [2021-10-11 02:24:25,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:24:25,876 INFO L225 Difference]: With dead ends: 11 [2021-10-11 02:24:25,879 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 02:24:25,881 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=106, Invalid=356, Unknown=0, NotChecked=0, Total=462 [2021-10-11 02:24:25,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 02:24:25,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 02:24:25,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 02:24:25,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 02:24:25,882 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 7 [2021-10-11 02:24:25,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:24:25,883 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 02:24:25,883 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2021-10-11 02:24:25,883 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 02:24:25,884 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 02:24:26,104 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2021-10-11 02:24:26,106 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 02:24:26,140 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 02:24:26,141 INFO L258 CegarLoopResult]: At program point L31-2(lines 31 34) the Hoare annotation is: (let ((.cse1 (+ ULTIMATE.start_main_~x~0 ULTIMATE.start_main_~j~0)) (.cse0 (+ ULTIMATE.start_main_~y~0 ULTIMATE.start_main_~i~0))) (and (<= .cse0 .cse1) (<= .cse1 .cse0))) [2021-10-11 02:24:26,141 INFO L262 CegarLoopResult]: For program point L31-3(lines 24 39) no Hoare annotation was computed. [2021-10-11 02:24:26,141 INFO L262 CegarLoopResult]: For program point L19(line 19) no Hoare annotation was computed. [2021-10-11 02:24:26,141 INFO L265 CegarLoopResult]: At program point L38(lines 24 39) the Hoare annotation is: true [2021-10-11 02:24:26,142 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 02:24:26,142 INFO L262 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2021-10-11 02:24:26,142 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed. [2021-10-11 02:24:26,142 INFO L262 CegarLoopResult]: For program point L18(lines 18 20) no Hoare annotation was computed. [2021-10-11 02:24:26,142 INFO L265 CegarLoopResult]: At program point L35(lines 35 37) the Hoare annotation is: true [2021-10-11 02:24:26,158 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:24:26 BoogieIcfgContainer [2021-10-11 02:24:26,158 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:24:26,158 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:24:26,159 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:24:26,159 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:24:26,159 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:24:23" (3/4) ... [2021-10-11 02:24:26,163 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 02:24:26,172 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-11 02:24:26,172 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-11 02:24:26,173 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:24:26,173 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:24:26,213 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bbb9d2d-3b52-4817-9218-8ee19f7cce52/bin/utaipan-WLngWcDbfI/witness.graphml [2021-10-11 02:24:26,213 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:24:26,214 INFO L168 Benchmark]: Toolchain (without parser) took 3614.59 ms. Allocated memory was 94.4 MB in the beginning and 144.7 MB in the end (delta: 50.3 MB). Free memory was 58.1 MB in the beginning and 108.6 MB in the end (delta: -50.5 MB). Peak memory consumption was 314.8 kB. Max. memory is 16.1 GB. [2021-10-11 02:24:26,215 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 94.4 MB. Free memory is still 74.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:24:26,215 INFO L168 Benchmark]: CACSL2BoogieTranslator took 262.20 ms. Allocated memory is still 94.4 MB. Free memory was 57.9 MB in the beginning and 70.8 MB in the end (delta: -12.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:24:26,216 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.85 ms. Allocated memory is still 94.4 MB. Free memory was 70.8 MB in the beginning and 69.4 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:24:26,216 INFO L168 Benchmark]: Boogie Preprocessor took 21.87 ms. Allocated memory is still 94.4 MB. Free memory was 69.4 MB in the beginning and 68.4 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:24:26,217 INFO L168 Benchmark]: RCFGBuilder took 352.28 ms. Allocated memory is still 94.4 MB. Free memory was 68.4 MB in the beginning and 55.2 MB in the end (delta: 13.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-11 02:24:26,217 INFO L168 Benchmark]: TraceAbstraction took 2883.39 ms. Allocated memory was 94.4 MB in the beginning and 144.7 MB in the end (delta: 50.3 MB). Free memory was 54.8 MB in the beginning and 110.7 MB in the end (delta: -56.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:24:26,218 INFO L168 Benchmark]: Witness Printer took 54.48 ms. Allocated memory is still 144.7 MB. Free memory was 110.7 MB in the beginning and 108.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:24:26,221 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 94.4 MB. Free memory is still 74.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 262.20 ms. Allocated memory is still 94.4 MB. Free memory was 57.9 MB in the beginning and 70.8 MB in the end (delta: -12.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 33.85 ms. Allocated memory is still 94.4 MB. Free memory was 70.8 MB in the beginning and 69.4 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 21.87 ms. Allocated memory is still 94.4 MB. Free memory was 69.4 MB in the beginning and 68.4 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 352.28 ms. Allocated memory is still 94.4 MB. Free memory was 68.4 MB in the beginning and 55.2 MB in the end (delta: 13.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 2883.39 ms. Allocated memory was 94.4 MB in the beginning and 144.7 MB in the end (delta: 50.3 MB). Free memory was 54.8 MB in the beginning and 110.7 MB in the end (delta: -56.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 54.48 ms. Allocated memory is still 144.7 MB. Free memory was 110.7 MB in the beginning and 108.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is 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 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 10 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.7s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 12 SDtfs, 31 SDslu, 24 SDs, 0 SdLazy, 47 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 36 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 13 NumberOfFragments, 17 HoareAnnotationTreeSize, 3 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 43 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 23 ConstructedInterpolants, 0 QuantifiedInterpolants, 1076 SizeOfPredicates, 7 NumberOfNonLiveVariables, 51 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 0/3 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...