./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted/Arrays02-EquivalentConstantIndices.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb20fbc0-c6a0-4880-8e25-f160025ed2fe/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb20fbc0-c6a0-4880-8e25-f160025ed2fe/bin/uautomizer-Z5i5R5N3CC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb20fbc0-c6a0-4880-8e25-f160025ed2fe/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb20fbc0-c6a0-4880-8e25-f160025ed2fe/bin/uautomizer-Z5i5R5N3CC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-crafted/Arrays02-EquivalentConstantIndices.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb20fbc0-c6a0-4880-8e25-f160025ed2fe/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb20fbc0-c6a0-4880-8e25-f160025ed2fe/bin/uautomizer-Z5i5R5N3CC --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 072df04afae5ae28487e0b8208c52f13961dea34 ................................................................................................................................................................................................................................................................................................................. 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 00:25:32,810 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 00:25:32,813 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 00:25:32,854 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 00:25:32,855 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 00:25:32,862 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 00:25:32,865 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 00:25:32,869 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 00:25:32,872 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 00:25:32,880 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 00:25:32,882 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 00:25:32,883 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 00:25:32,883 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 00:25:32,887 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 00:25:32,888 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 00:25:32,890 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 00:25:32,892 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 00:25:32,898 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 00:25:32,900 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 00:25:32,912 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 00:25:32,914 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 00:25:32,918 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 00:25:32,920 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 00:25:32,921 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 00:25:32,924 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 00:25:32,925 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 00:25:32,925 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 00:25:32,927 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 00:25:32,927 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 00:25:32,929 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 00:25:32,929 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 00:25:32,930 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 00:25:32,931 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 00:25:32,932 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 00:25:32,934 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 00:25:32,934 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 00:25:32,935 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 00:25:32,935 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 00:25:32,936 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 00:25:32,937 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 00:25:32,938 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 00:25:32,939 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb20fbc0-c6a0-4880-8e25-f160025ed2fe/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Overflow-64bit-Automizer_Default.epf [2021-10-11 00:25:32,964 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 00:25:32,965 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 00:25:32,966 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 00:25:32,966 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 00:25:32,967 INFO L138 SettingsManager]: * Use SBE=true [2021-10-11 00:25:32,967 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 00:25:32,967 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-11 00:25:32,968 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 00:25:32,968 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 00:25:32,968 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 00:25:32,968 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 00:25:32,968 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 00:25:32,969 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-10-11 00:25:32,969 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 00:25:32,969 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 00:25:32,969 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 00:25:32,970 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 00:25:32,970 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 00:25:32,970 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 00:25:32,970 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:25:32,971 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 00:25:32,971 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 00:25:32,971 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 00:25:32,971 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-11 00:25:32,972 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 00:25:32,972 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 00:25:32,972 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 00:25:32,972 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_worker_vcloud-master_on_vcloud-master/run_dir_cb20fbc0-c6a0-4880-8e25-f160025ed2fe/bin/uautomizer-Z5i5R5N3CC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb20fbc0-c6a0-4880-8e25-f160025ed2fe/bin/uautomizer-Z5i5R5N3CC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 072df04afae5ae28487e0b8208c52f13961dea34 [2021-10-11 00:25:33,309 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 00:25:33,364 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 00:25:33,368 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 00:25:33,369 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 00:25:33,370 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 00:25:33,372 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb20fbc0-c6a0-4880-8e25-f160025ed2fe/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/termination-crafted/Arrays02-EquivalentConstantIndices.c [2021-10-11 00:25:33,449 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb20fbc0-c6a0-4880-8e25-f160025ed2fe/bin/uautomizer-Z5i5R5N3CC/data/9e697dec6/252df00b06b44c20938dd374b4304218/FLAG74ea82625 [2021-10-11 00:25:33,941 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 00:25:33,941 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb20fbc0-c6a0-4880-8e25-f160025ed2fe/sv-benchmarks/c/termination-crafted/Arrays02-EquivalentConstantIndices.c [2021-10-11 00:25:33,950 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb20fbc0-c6a0-4880-8e25-f160025ed2fe/bin/uautomizer-Z5i5R5N3CC/data/9e697dec6/252df00b06b44c20938dd374b4304218/FLAG74ea82625 [2021-10-11 00:25:34,303 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb20fbc0-c6a0-4880-8e25-f160025ed2fe/bin/uautomizer-Z5i5R5N3CC/data/9e697dec6/252df00b06b44c20938dd374b4304218 [2021-10-11 00:25:34,306 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 00:25:34,308 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 00:25:34,310 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 00:25:34,310 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 00:25:34,314 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 00:25:34,315 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:25:34" (1/1) ... [2021-10-11 00:25:34,317 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e9df85b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:25:34, skipping insertion in model container [2021-10-11 00:25:34,317 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:25:34" (1/1) ... [2021-10-11 00:25:34,336 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 00:25:34,352 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 00:25:34,542 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:25:34,548 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 00:25:34,577 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:25:34,603 INFO L208 MainTranslator]: Completed translation [2021-10-11 00:25:34,605 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:25:34 WrapperNode [2021-10-11 00:25:34,605 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 00:25:34,607 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 00:25:34,607 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 00:25:34,607 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 00:25:34,616 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:25:34" (1/1) ... [2021-10-11 00:25:34,627 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:25:34" (1/1) ... [2021-10-11 00:25:34,649 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 00:25:34,651 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 00:25:34,654 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 00:25:34,654 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 00:25:34,663 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:25:34" (1/1) ... [2021-10-11 00:25:34,664 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:25:34" (1/1) ... [2021-10-11 00:25:34,681 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:25:34" (1/1) ... [2021-10-11 00:25:34,681 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:25:34" (1/1) ... [2021-10-11 00:25:34,686 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:25:34" (1/1) ... [2021-10-11 00:25:34,689 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:25:34" (1/1) ... [2021-10-11 00:25:34,690 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:25:34" (1/1) ... [2021-10-11 00:25:34,692 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 00:25:34,695 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 00:25:34,695 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 00:25:34,695 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 00:25:34,696 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:25:34" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb20fbc0-c6a0-4880-8e25-f160025ed2fe/bin/uautomizer-Z5i5R5N3CC/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 00:25:34,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-11 00:25:34,798 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 00:25:34,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 00:25:34,799 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-11 00:25:34,799 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 00:25:34,800 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-11 00:25:35,063 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 00:25:35,063 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-10-11 00:25:35,066 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:25:35 BoogieIcfgContainer [2021-10-11 00:25:35,066 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 00:25:35,069 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 00:25:35,070 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 00:25:35,073 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 00:25:35,074 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:25:34" (1/3) ... [2021-10-11 00:25:35,075 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53ac10fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:25:35, skipping insertion in model container [2021-10-11 00:25:35,075 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:25:34" (2/3) ... [2021-10-11 00:25:35,076 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53ac10fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:25:35, skipping insertion in model container [2021-10-11 00:25:35,076 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:25:35" (3/3) ... [2021-10-11 00:25:35,077 INFO L111 eAbstractionObserver]: Analyzing ICFG Arrays02-EquivalentConstantIndices.c [2021-10-11 00:25:35,095 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 00:25:35,099 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-10-11 00:25:35,111 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-10-11 00:25:35,149 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 00:25:35,149 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 00:25:35,149 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 00:25:35,149 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 00:25:35,149 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 00:25:35,149 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 00:25:35,150 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 00:25:35,150 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 00:25:35,166 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states. [2021-10-11 00:25:35,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-11 00:25:35,172 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:25:35,173 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-10-11 00:25:35,173 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2021-10-11 00:25:35,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:25:35,186 INFO L82 PathProgramCache]: Analyzing trace with hash 28695845, now seen corresponding path program 1 times [2021-10-11 00:25:35,195 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:25:35,196 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698233413] [2021-10-11 00:25:35,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:25:35,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:25:35,549 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 00:25:35,550 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698233413] [2021-10-11 00:25:35,551 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:25:35,551 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 00:25:35,552 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41371532] [2021-10-11 00:25:35,556 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:25:35,556 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:25:35,575 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:25:35,576 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:25:35,579 INFO L87 Difference]: Start difference. First operand 12 states. Second operand 5 states. [2021-10-11 00:25:35,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:25:35,696 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions. [2021-10-11 00:25:35,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 00:25:35,699 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 5 [2021-10-11 00:25:35,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:25:35,708 INFO L225 Difference]: With dead ends: 16 [2021-10-11 00:25:35,708 INFO L226 Difference]: Without dead ends: 7 [2021-10-11 00:25:35,711 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-11 00:25:35,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2021-10-11 00:25:35,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2021-10-11 00:25:35,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-10-11 00:25:35,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2021-10-11 00:25:35,744 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 5 [2021-10-11 00:25:35,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:25:35,745 INFO L481 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2021-10-11 00:25:35,745 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:25:35,745 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2021-10-11 00:25:35,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-11 00:25:35,745 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:25:35,745 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-10-11 00:25:35,746 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-11 00:25:35,746 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2021-10-11 00:25:35,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:25:35,747 INFO L82 PathProgramCache]: Analyzing trace with hash 889571241, now seen corresponding path program 1 times [2021-10-11 00:25:35,747 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:25:35,748 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1281381791] [2021-10-11 00:25:35,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:25:35,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:25:35,805 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 00:25:35,806 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1281381791] [2021-10-11 00:25:35,806 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:25:35,806 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:25:35,806 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877203207] [2021-10-11 00:25:35,808 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 00:25:35,808 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:25:35,809 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 00:25:35,809 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 00:25:35,809 INFO L87 Difference]: Start difference. First operand 7 states and 7 transitions. Second operand 4 states. [2021-10-11 00:25:35,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:25:35,832 INFO L93 Difference]: Finished difference Result 7 states and 7 transitions. [2021-10-11 00:25:35,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 00:25:35,834 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 6 [2021-10-11 00:25:35,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:25:35,834 INFO L225 Difference]: With dead ends: 7 [2021-10-11 00:25:35,834 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 00:25:35,835 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 00:25:35,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 00:25:35,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 00:25:35,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 00:25:35,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 00:25:35,845 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 6 [2021-10-11 00:25:35,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:25:35,846 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:25:35,846 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 00:25:35,846 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 00:25:35,846 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 00:25:35,846 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-11 00:25:35,848 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 00:25:35,865 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 14) no Hoare annotation was computed. [2021-10-11 00:25:35,865 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 00:25:35,866 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 00:25:35,866 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 14) no Hoare annotation was computed. [2021-10-11 00:25:35,866 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 00:25:35,866 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 00:25:35,866 INFO L265 CegarLoopResult]: At program point L17(lines 8 18) the Hoare annotation is: true [2021-10-11 00:25:35,866 INFO L262 CegarLoopResult]: For program point L14(line 14) no Hoare annotation was computed. [2021-10-11 00:25:35,867 INFO L262 CegarLoopResult]: For program point L14-1(line 14) no Hoare annotation was computed. [2021-10-11 00:25:35,867 INFO L262 CegarLoopResult]: For program point L13-1(lines 13 16) no Hoare annotation was computed. [2021-10-11 00:25:35,867 INFO L258 CegarLoopResult]: At program point L13-3(lines 13 16) the Hoare annotation is: (<= (select (select |#memory_int| |ULTIMATE.start_main_~#a~0.base|) (+ |ULTIMATE.start_main_~#a~0.offset| 8)) 2147483647) [2021-10-11 00:25:35,867 INFO L262 CegarLoopResult]: For program point L13-4(lines 13 16) no Hoare annotation was computed. [2021-10-11 00:25:35,882 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 12:25:35 BoogieIcfgContainer [2021-10-11 00:25:35,882 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 00:25:35,883 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 00:25:35,883 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 00:25:35,883 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 00:25:35,884 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:25:35" (3/4) ... [2021-10-11 00:25:35,892 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 00:25:35,903 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-11 00:25:35,904 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-10-11 00:25:35,904 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:25:35,957 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb20fbc0-c6a0-4880-8e25-f160025ed2fe/bin/uautomizer-Z5i5R5N3CC/witness.graphml [2021-10-11 00:25:35,959 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 00:25:35,961 INFO L168 Benchmark]: Toolchain (without parser) took 1651.85 ms. Allocated memory is still 102.8 MB. Free memory was 68.6 MB in the beginning and 76.8 MB in the end (delta: -8.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:25:35,962 INFO L168 Benchmark]: CDTParser took 0.79 ms. Allocated memory is still 102.8 MB. Free memory was 84.7 MB in the beginning and 84.6 MB in the end (delta: 74.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:25:35,964 INFO L168 Benchmark]: CACSL2BoogieTranslator took 296.76 ms. Allocated memory is still 102.8 MB. Free memory was 68.4 MB in the beginning and 81.2 MB in the end (delta: -12.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 00:25:35,964 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.63 ms. Allocated memory is still 102.8 MB. Free memory was 81.2 MB in the beginning and 79.8 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:25:35,965 INFO L168 Benchmark]: Boogie Preprocessor took 41.02 ms. Allocated memory is still 102.8 MB. Free memory was 79.8 MB in the beginning and 78.7 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:25:35,965 INFO L168 Benchmark]: RCFGBuilder took 371.21 ms. Allocated memory is still 102.8 MB. Free memory was 78.7 MB in the beginning and 68.2 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 00:25:35,970 INFO L168 Benchmark]: TraceAbstraction took 813.44 ms. Allocated memory is still 102.8 MB. Free memory was 67.9 MB in the beginning and 79.4 MB in the end (delta: -11.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:25:35,971 INFO L168 Benchmark]: Witness Printer took 76.06 ms. Allocated memory is still 102.8 MB. Free memory was 79.4 MB in the beginning and 76.8 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:25:35,976 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.79 ms. Allocated memory is still 102.8 MB. Free memory was 84.7 MB in the beginning and 84.6 MB in the end (delta: 74.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 296.76 ms. Allocated memory is still 102.8 MB. Free memory was 68.4 MB in the beginning and 81.2 MB in the end (delta: -12.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 42.63 ms. Allocated memory is still 102.8 MB. Free memory was 81.2 MB in the beginning and 79.8 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 41.02 ms. Allocated memory is still 102.8 MB. Free memory was 79.8 MB in the beginning and 78.7 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 371.21 ms. Allocated memory is still 102.8 MB. Free memory was 78.7 MB in the beginning and 68.2 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 813.44 ms. Allocated memory is still 102.8 MB. Free memory was 67.9 MB in the beginning and 79.4 MB in the end (delta: -11.5 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 76.06 ms. Allocated memory is still 102.8 MB. Free memory was 79.4 MB in the beginning and 76.8 MB in the end (delta: 2.6 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: 14]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 14]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: unknown-#memory_int-unknown[a][a + 8] <= 2147483647 - InvariantResult [Line: 8]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 7 SDtfs, 5 SDslu, 9 SDs, 0 SdLazy, 28 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12occurred 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, 2 LocationsWithAnnotation, 2 PreInvPairs, 3 NumberOfFragments, 10 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 189 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 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...