./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-sets/test_add-2.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_a9ba9aeb-68a6-4327-962b-e0ffe7a40783/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ba9aeb-68a6-4327-962b-e0ffe7a40783/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_a9ba9aeb-68a6-4327-962b-e0ffe7a40783/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ba9aeb-68a6-4327-962b-e0ffe7a40783/bin/uautomizer-Z5i5R5N3CC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-sets/test_add-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ba9aeb-68a6-4327-962b-e0ffe7a40783/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ba9aeb-68a6-4327-962b-e0ffe7a40783/bin/uautomizer-Z5i5R5N3CC --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5341d071aa6667cc028bb6475d7fda061f87ccfc ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 00:33:08,056 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 00:33:08,059 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 00:33:08,157 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 00:33:08,158 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 00:33:08,165 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 00:33:08,168 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 00:33:08,173 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 00:33:08,176 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 00:33:08,184 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 00:33:08,186 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 00:33:08,187 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 00:33:08,188 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 00:33:08,191 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 00:33:08,193 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 00:33:08,195 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 00:33:08,197 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 00:33:08,202 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 00:33:08,204 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 00:33:08,218 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 00:33:08,220 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 00:33:08,221 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 00:33:08,225 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 00:33:08,226 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 00:33:08,230 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 00:33:08,230 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 00:33:08,231 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 00:33:08,233 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 00:33:08,234 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 00:33:08,235 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 00:33:08,236 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 00:33:08,237 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 00:33:08,239 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 00:33:08,240 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 00:33:08,242 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 00:33:08,242 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 00:33:08,244 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 00:33:08,244 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 00:33:08,244 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 00:33:08,245 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 00:33:08,246 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 00:33:08,249 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ba9aeb-68a6-4327-962b-e0ffe7a40783/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-11 00:33:08,295 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 00:33:08,296 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 00:33:08,298 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 00:33:08,298 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 00:33:08,298 INFO L138 SettingsManager]: * Use SBE=true [2021-10-11 00:33:08,299 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 00:33:08,299 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 00:33:08,299 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 00:33:08,299 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 00:33:08,300 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 00:33:08,301 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 00:33:08,301 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 00:33:08,301 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 00:33:08,301 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 00:33:08,302 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 00:33:08,302 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 00:33:08,302 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 00:33:08,302 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 00:33:08,303 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 00:33:08,303 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 00:33:08,303 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:33:08,304 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 00:33:08,304 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 00:33:08,304 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 00:33:08,304 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-11 00:33:08,304 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 00:33:08,305 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 00:33:08,305 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 00:33:08,305 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_a9ba9aeb-68a6-4327-962b-e0ffe7a40783/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ba9aeb-68a6-4327-962b-e0ffe7a40783/bin/uautomizer-Z5i5R5N3CC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5341d071aa6667cc028bb6475d7fda061f87ccfc [2021-10-11 00:33:08,628 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 00:33:08,655 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 00:33:08,663 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 00:33:08,665 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 00:33:08,666 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 00:33:08,668 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ba9aeb-68a6-4327-962b-e0ffe7a40783/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/ldv-sets/test_add-2.i [2021-10-11 00:33:08,739 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ba9aeb-68a6-4327-962b-e0ffe7a40783/bin/uautomizer-Z5i5R5N3CC/data/a61992a92/95abd85201d44e8dab198c0ea8698016/FLAGa6af65c16 [2021-10-11 00:33:09,449 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 00:33:09,452 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ba9aeb-68a6-4327-962b-e0ffe7a40783/sv-benchmarks/c/ldv-sets/test_add-2.i [2021-10-11 00:33:09,471 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ba9aeb-68a6-4327-962b-e0ffe7a40783/bin/uautomizer-Z5i5R5N3CC/data/a61992a92/95abd85201d44e8dab198c0ea8698016/FLAGa6af65c16 [2021-10-11 00:33:09,668 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ba9aeb-68a6-4327-962b-e0ffe7a40783/bin/uautomizer-Z5i5R5N3CC/data/a61992a92/95abd85201d44e8dab198c0ea8698016 [2021-10-11 00:33:09,670 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 00:33:09,671 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 00:33:09,673 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 00:33:09,673 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 00:33:09,677 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 00:33:09,678 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:33:09" (1/1) ... [2021-10-11 00:33:09,679 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66d8c2bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:33:09, skipping insertion in model container [2021-10-11 00:33:09,680 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:33:09" (1/1) ... [2021-10-11 00:33:09,687 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 00:33:09,739 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 00:33:10,094 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_a9ba9aeb-68a6-4327-962b-e0ffe7a40783/sv-benchmarks/c/ldv-sets/test_add-2.i[25793,25806] [2021-10-11 00:33:10,098 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:33:10,108 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 00:33:10,162 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_a9ba9aeb-68a6-4327-962b-e0ffe7a40783/sv-benchmarks/c/ldv-sets/test_add-2.i[25793,25806] [2021-10-11 00:33:10,163 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:33:10,240 INFO L208 MainTranslator]: Completed translation [2021-10-11 00:33:10,240 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:33:10 WrapperNode [2021-10-11 00:33:10,241 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 00:33:10,242 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 00:33:10,242 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 00:33:10,242 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 00:33:10,253 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:33:10" (1/1) ... [2021-10-11 00:33:10,275 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:33:10" (1/1) ... [2021-10-11 00:33:10,301 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 00:33:10,302 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 00:33:10,302 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 00:33:10,302 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 00:33:10,312 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:33:10" (1/1) ... [2021-10-11 00:33:10,313 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:33:10" (1/1) ... [2021-10-11 00:33:10,317 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:33:10" (1/1) ... [2021-10-11 00:33:10,317 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:33:10" (1/1) ... [2021-10-11 00:33:10,326 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:33:10" (1/1) ... [2021-10-11 00:33:10,330 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:33:10" (1/1) ... [2021-10-11 00:33:10,332 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:33:10" (1/1) ... [2021-10-11 00:33:10,336 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 00:33:10,353 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 00:33:10,353 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 00:33:10,353 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 00:33:10,354 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:33:10" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ba9aeb-68a6-4327-962b-e0ffe7a40783/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 00:33:10,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-11 00:33:10,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-11 00:33:10,451 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-11 00:33:10,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-11 00:33:10,452 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 00:33:10,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-11 00:33:10,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-10-11 00:33:10,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-11 00:33:10,453 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 00:33:10,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 00:33:10,938 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 00:33:10,938 INFO L299 CfgBuilder]: Removed 22 assume(true) statements. [2021-10-11 00:33:10,940 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:33:10 BoogieIcfgContainer [2021-10-11 00:33:10,940 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 00:33:10,941 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 00:33:10,942 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 00:33:10,945 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 00:33:10,945 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:33:09" (1/3) ... [2021-10-11 00:33:10,946 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52a1f24f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:33:10, skipping insertion in model container [2021-10-11 00:33:10,946 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:33:10" (2/3) ... [2021-10-11 00:33:10,946 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52a1f24f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:33:10, skipping insertion in model container [2021-10-11 00:33:10,946 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:33:10" (3/3) ... [2021-10-11 00:33:10,948 INFO L111 eAbstractionObserver]: Analyzing ICFG test_add-2.i [2021-10-11 00:33:10,960 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 00:33:10,962 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-10-11 00:33:10,972 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-11 00:33:10,993 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 00:33:10,993 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 00:33:10,993 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 00:33:10,993 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 00:33:10,993 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 00:33:10,994 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 00:33:10,994 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 00:33:10,994 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 00:33:11,007 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states. [2021-10-11 00:33:11,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-11 00:33:11,012 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:33:11,012 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:33:11,013 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:33:11,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:33:11,018 INFO L82 PathProgramCache]: Analyzing trace with hash 1191041087, now seen corresponding path program 1 times [2021-10-11 00:33:11,028 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:33:11,028 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1356110192] [2021-10-11 00:33:11,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:33:11,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:33:11,266 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 00:33:11,267 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1356110192] [2021-10-11 00:33:11,268 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:33:11,269 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:33:11,270 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268999234] [2021-10-11 00:33:11,275 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 00:33:11,276 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:33:11,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 00:33:11,295 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 00:33:11,297 INFO L87 Difference]: Start difference. First operand 25 states. Second operand 2 states. [2021-10-11 00:33:11,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:33:11,330 INFO L93 Difference]: Finished difference Result 45 states and 58 transitions. [2021-10-11 00:33:11,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 00:33:11,331 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2021-10-11 00:33:11,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:33:11,341 INFO L225 Difference]: With dead ends: 45 [2021-10-11 00:33:11,341 INFO L226 Difference]: Without dead ends: 21 [2021-10-11 00:33:11,344 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 00:33:11,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2021-10-11 00:33:11,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2021-10-11 00:33:11,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-10-11 00:33:11,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 25 transitions. [2021-10-11 00:33:11,417 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 25 transitions. Word has length 12 [2021-10-11 00:33:11,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:33:11,433 INFO L481 AbstractCegarLoop]: Abstraction has 21 states and 25 transitions. [2021-10-11 00:33:11,433 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 00:33:11,433 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2021-10-11 00:33:11,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-11 00:33:11,434 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:33:11,434 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:33:11,434 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-11 00:33:11,434 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:33:11,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:33:11,435 INFO L82 PathProgramCache]: Analyzing trace with hash -942277654, now seen corresponding path program 1 times [2021-10-11 00:33:11,436 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:33:11,436 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1758106571] [2021-10-11 00:33:11,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:33:11,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:33:11,536 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 00:33:11,537 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1758106571] [2021-10-11 00:33:11,537 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:33:11,537 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 00:33:11,537 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100554907] [2021-10-11 00:33:11,539 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 00:33:11,539 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:33:11,540 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 00:33:11,541 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 00:33:11,541 INFO L87 Difference]: Start difference. First operand 21 states and 25 transitions. Second operand 4 states. [2021-10-11 00:33:11,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:33:11,595 INFO L93 Difference]: Finished difference Result 41 states and 46 transitions. [2021-10-11 00:33:11,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 00:33:11,596 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2021-10-11 00:33:11,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:33:11,597 INFO L225 Difference]: With dead ends: 41 [2021-10-11 00:33:11,597 INFO L226 Difference]: Without dead ends: 32 [2021-10-11 00:33:11,598 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:33:11,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2021-10-11 00:33:11,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 23. [2021-10-11 00:33:11,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2021-10-11 00:33:11,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 27 transitions. [2021-10-11 00:33:11,604 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 27 transitions. Word has length 12 [2021-10-11 00:33:11,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:33:11,605 INFO L481 AbstractCegarLoop]: Abstraction has 23 states and 27 transitions. [2021-10-11 00:33:11,605 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 00:33:11,605 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2021-10-11 00:33:11,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-11 00:33:11,606 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:33:11,606 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:33:11,606 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-11 00:33:11,606 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:33:11,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:33:11,607 INFO L82 PathProgramCache]: Analyzing trace with hash 239429152, now seen corresponding path program 1 times [2021-10-11 00:33:11,607 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:33:11,608 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1675763833] [2021-10-11 00:33:11,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:33:11,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:33:11,833 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 00:33:11,833 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1675763833] [2021-10-11 00:33:11,833 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:33:11,834 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:33:11,834 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719395430] [2021-10-11 00:33:11,834 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 00:33:11,835 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:33:11,835 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 00:33:11,836 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 00:33:11,836 INFO L87 Difference]: Start difference. First operand 23 states and 27 transitions. Second operand 4 states. [2021-10-11 00:33:11,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:33:11,980 INFO L93 Difference]: Finished difference Result 40 states and 46 transitions. [2021-10-11 00:33:11,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 00:33:11,981 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2021-10-11 00:33:11,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:33:11,986 INFO L225 Difference]: With dead ends: 40 [2021-10-11 00:33:11,986 INFO L226 Difference]: Without dead ends: 19 [2021-10-11 00:33:11,987 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:33:11,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2021-10-11 00:33:11,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2021-10-11 00:33:11,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-10-11 00:33:11,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 20 transitions. [2021-10-11 00:33:11,995 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 20 transitions. Word has length 12 [2021-10-11 00:33:11,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:33:11,996 INFO L481 AbstractCegarLoop]: Abstraction has 19 states and 20 transitions. [2021-10-11 00:33:11,996 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 00:33:11,996 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2021-10-11 00:33:11,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-11 00:33:11,998 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:33:11,998 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:33:11,998 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-11 00:33:11,998 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:33:11,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:33:11,999 INFO L82 PathProgramCache]: Analyzing trace with hash 1232200096, now seen corresponding path program 1 times [2021-10-11 00:33:11,999 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:33:12,000 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [972792217] [2021-10-11 00:33:12,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:33:12,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:33:12,212 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 00:33:12,212 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [972792217] [2021-10-11 00:33:12,213 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:33:12,213 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-11 00:33:12,213 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128380706] [2021-10-11 00:33:12,214 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-10-11 00:33:12,214 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:33:12,215 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-11 00:33:12,215 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-10-11 00:33:12,215 INFO L87 Difference]: Start difference. First operand 19 states and 20 transitions. Second operand 8 states. [2021-10-11 00:33:12,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:33:12,474 INFO L93 Difference]: Finished difference Result 31 states and 32 transitions. [2021-10-11 00:33:12,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-11 00:33:12,475 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 16 [2021-10-11 00:33:12,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:33:12,477 INFO L225 Difference]: With dead ends: 31 [2021-10-11 00:33:12,477 INFO L226 Difference]: Without dead ends: 26 [2021-10-11 00:33:12,479 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-10-11 00:33:12,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2021-10-11 00:33:12,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 20. [2021-10-11 00:33:12,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-10-11 00:33:12,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 21 transitions. [2021-10-11 00:33:12,493 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 21 transitions. Word has length 16 [2021-10-11 00:33:12,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:33:12,493 INFO L481 AbstractCegarLoop]: Abstraction has 20 states and 21 transitions. [2021-10-11 00:33:12,512 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-10-11 00:33:12,512 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2021-10-11 00:33:12,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-11 00:33:12,514 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:33:12,514 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:33:12,514 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-11 00:33:12,514 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:33:12,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:33:12,515 INFO L82 PathProgramCache]: Analyzing trace with hash 1233808810, now seen corresponding path program 1 times [2021-10-11 00:33:12,515 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:33:12,515 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [65303960] [2021-10-11 00:33:12,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:33:12,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:33:12,581 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 00:33:12,581 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [65303960] [2021-10-11 00:33:12,581 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:33:12,582 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 00:33:12,582 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026254124] [2021-10-11 00:33:12,582 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 00:33:12,582 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:33:12,583 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 00:33:12,583 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 00:33:12,583 INFO L87 Difference]: Start difference. First operand 20 states and 21 transitions. Second operand 4 states. [2021-10-11 00:33:12,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:33:12,615 INFO L93 Difference]: Finished difference Result 24 states and 24 transitions. [2021-10-11 00:33:12,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 00:33:12,616 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 16 [2021-10-11 00:33:12,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:33:12,617 INFO L225 Difference]: With dead ends: 24 [2021-10-11 00:33:12,617 INFO L226 Difference]: Without dead ends: 20 [2021-10-11 00:33:12,617 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:33:12,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2021-10-11 00:33:12,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2021-10-11 00:33:12,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-10-11 00:33:12,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 20 transitions. [2021-10-11 00:33:12,622 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 20 transitions. Word has length 16 [2021-10-11 00:33:12,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:33:12,623 INFO L481 AbstractCegarLoop]: Abstraction has 20 states and 20 transitions. [2021-10-11 00:33:12,623 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 00:33:12,623 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 20 transitions. [2021-10-11 00:33:12,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-11 00:33:12,624 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:33:12,624 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:33:12,624 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-11 00:33:12,624 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:33:12,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:33:12,625 INFO L82 PathProgramCache]: Analyzing trace with hash 1654632530, now seen corresponding path program 1 times [2021-10-11 00:33:12,625 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:33:12,625 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242747466] [2021-10-11 00:33:12,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:33:12,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:33:13,021 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:33:13,022 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [242747466] [2021-10-11 00:33:13,022 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:33:13,022 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-10-11 00:33:13,022 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711094523] [2021-10-11 00:33:13,023 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-10-11 00:33:13,024 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:33:13,024 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-11 00:33:13,025 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-10-11 00:33:13,025 INFO L87 Difference]: Start difference. First operand 20 states and 20 transitions. Second operand 9 states. [2021-10-11 00:33:13,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:33:13,270 INFO L93 Difference]: Finished difference Result 21 states and 21 transitions. [2021-10-11 00:33:13,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-11 00:33:13,271 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 19 [2021-10-11 00:33:13,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:33:13,271 INFO L225 Difference]: With dead ends: 21 [2021-10-11 00:33:13,272 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 00:33:13,279 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2021-10-11 00:33:13,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 00:33:13,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 00:33:13,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 00:33:13,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 00:33:13,281 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 19 [2021-10-11 00:33:13,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:33:13,281 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:33:13,281 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-10-11 00:33:13,282 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 00:33:13,282 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 00:33:13,282 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-11 00:33:13,288 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 00:33:13,536 INFO L262 CegarLoopResult]: For program point L667(line 667) no Hoare annotation was computed. [2021-10-11 00:33:13,536 INFO L262 CegarLoopResult]: For program point L667-1(line 667) no Hoare annotation was computed. [2021-10-11 00:33:13,537 INFO L262 CegarLoopResult]: For program point L663(lines 663 668) no Hoare annotation was computed. [2021-10-11 00:33:13,537 INFO L262 CegarLoopResult]: For program point L564(lines 564 566) no Hoare annotation was computed. [2021-10-11 00:33:13,537 INFO L262 CegarLoopResult]: For program point L589(lines 589 597) no Hoare annotation was computed. [2021-10-11 00:33:13,537 INFO L265 CegarLoopResult]: At program point L672(lines 669 673) the Hoare annotation is: true [2021-10-11 00:33:13,537 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 00:33:13,537 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 00:33:13,538 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 00:33:13,538 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 667) no Hoare annotation was computed. [2021-10-11 00:33:13,538 INFO L262 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2021-10-11 00:33:13,538 INFO L262 CegarLoopResult]: For program point L652-2(lines 652 656) no Hoare annotation was computed. [2021-10-11 00:33:13,538 INFO L258 CegarLoopResult]: At program point L652-3(lines 652 656) the Hoare annotation is: (let ((.cse0 (+ ULTIMATE.start_ldv_is_in_set_~m~1.offset 4))) (and (= |~#s1~0.offset| ULTIMATE.start_ldv_set_add_~s.offset) (= |~#s1~0.offset| (select (select |#memory_$Pointer$.offset| |~#s1~0.base|) |~#s1~0.offset|)) (= ULTIMATE.start_ldv_is_in_set_~m~1.base ULTIMATE.start_ldv_is_in_set_~s.base) (= .cse0 ULTIMATE.start_ldv_is_in_set_~s.offset) (= (select |#valid| |~#s1~0.base|) 1) (= |~#s1~0.base| ULTIMATE.start_ldv_is_in_set_~s.base) (= |~#s1~0.base| (select (select |#memory_$Pointer$.base| |~#s1~0.base|) |~#s1~0.offset|)) (= ULTIMATE.start_ldv_set_add_~new ULTIMATE.start_foo_~j~0) (= |~#s1~0.base| ULTIMATE.start_ldv_set_add_~s.base) (= |~#s1~0.offset| .cse0) (= |~#s1~0.offset| 0) (<= (+ |#StackHeapBarrier| 1) |~#s1~0.base|))) [2021-10-11 00:33:13,539 INFO L262 CegarLoopResult]: For program point L652-4(lines 652 656) no Hoare annotation was computed. [2021-10-11 00:33:13,539 INFO L262 CegarLoopResult]: For program point L652-7(lines 652 656) no Hoare annotation was computed. [2021-10-11 00:33:13,539 INFO L258 CegarLoopResult]: At program point L652-8(lines 652 656) the Hoare annotation is: (let ((.cse2 (select (select |#memory_$Pointer$.offset| |~#s1~0.base|) |~#s1~0.offset|)) (.cse1 (+ |~#s1~0.offset| 4)) (.cse0 (select (select |#memory_$Pointer$.base| |~#s1~0.base|) |~#s1~0.offset|))) (and (= |~#s1~0.offset| ULTIMATE.start_ldv_set_add_~s.offset) (not (= |~#s1~0.base| |ULTIMATE.start_ldv_successful_malloc_#res.base|)) (not (= |~#s1~0.base| .cse0)) (<= .cse1 .cse2) (<= .cse2 .cse1) (= (select |#valid| |~#s1~0.base|) 1) (= (select (select |#memory_int| ULTIMATE.start_ldv_is_in_set_~m~1.base) ULTIMATE.start_ldv_is_in_set_~m~1.offset) ULTIMATE.start_ldv_is_in_set_~e) (= |~#s1~0.base| ULTIMATE.start_ldv_set_add_~s.base) (not (= |~#s1~0.base| ULTIMATE.start_ldv_successful_malloc_~ptr~0.base)) (not (= ULTIMATE.start_ldv_is_in_set_~m~1.base ULTIMATE.start_ldv_is_in_set_~s.base)) (= |~#s1~0.offset| 0) (= (select (select |#memory_int| .cse0) |~#s1~0.offset|) ULTIMATE.start_foo_~j~0))) [2021-10-11 00:33:13,539 INFO L262 CegarLoopResult]: For program point L652-9(lines 652 656) no Hoare annotation was computed. [2021-10-11 00:33:13,540 INFO L258 CegarLoopResult]: At program point L578(lines 575 579) the Hoare annotation is: (let ((.cse0 (+ ULTIMATE.start_ldv_is_in_set_~m~1.offset 4))) (and (= |~#s1~0.offset| (select (select |#memory_$Pointer$.offset| |~#s1~0.base|) |~#s1~0.offset|)) (= |~#s1~0.base| ULTIMATE.start_ldv_is_in_set_~s.base) (= |~#s1~0.base| (select (select |#memory_$Pointer$.base| |~#s1~0.base|) |~#s1~0.offset|)) (= ULTIMATE.start_ldv_set_add_~new ULTIMATE.start_foo_~j~0) (= |~#s1~0.base| ULTIMATE.start_ldv_set_add_~s.base) (= |~#s1~0.offset| 0) (= |~#s1~0.offset| ULTIMATE.start_ldv_set_add_~s.offset) (= ULTIMATE.start_ldv_is_in_set_~m~1.base ULTIMATE.start_ldv_is_in_set_~s.base) (= ULTIMATE.start_ldv_successful_malloc_~ptr~0.offset 0) (= |ULTIMATE.start_ldv_successful_malloc_#res.offset| 0) (= .cse0 ULTIMATE.start_ldv_is_in_set_~s.offset) (= (select |#valid| |~#s1~0.base|) 1) (not (= |~#s1~0.base| ULTIMATE.start_ldv_successful_malloc_~ptr~0.base)) (not (= ULTIMATE.start_ldv_set_add_~s.base |ULTIMATE.start_ldv_successful_malloc_#res.base|)) (= |~#s1~0.offset| .cse0) (<= (+ |#StackHeapBarrier| 1) |~#s1~0.base|))) [2021-10-11 00:33:13,540 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 00:33:13,540 INFO L262 CegarLoopResult]: For program point L632(lines 632 639) no Hoare annotation was computed. [2021-10-11 00:33:13,541 INFO L258 CegarLoopResult]: At program point L657(lines 650 658) the Hoare annotation is: (let ((.cse0 (+ ULTIMATE.start_ldv_is_in_set_~m~1.offset 4))) (and (= |~#s1~0.offset| (select (select |#memory_$Pointer$.offset| |~#s1~0.base|) |~#s1~0.offset|)) (= |~#s1~0.base| ULTIMATE.start_ldv_is_in_set_~s.base) (= |~#s1~0.base| (select (select |#memory_$Pointer$.base| |~#s1~0.base|) |~#s1~0.offset|)) (= ULTIMATE.start_ldv_set_add_~new ULTIMATE.start_foo_~j~0) (= |~#s1~0.base| ULTIMATE.start_ldv_set_add_~s.base) (= |~#s1~0.offset| 0) (= |~#s1~0.offset| ULTIMATE.start_ldv_set_add_~s.offset) (= ULTIMATE.start_ldv_is_in_set_~m~1.base ULTIMATE.start_ldv_is_in_set_~s.base) (= .cse0 ULTIMATE.start_ldv_is_in_set_~s.offset) (= (select |#valid| |~#s1~0.base|) 1) (= |ULTIMATE.start_ldv_is_in_set_#res| 0) (= |~#s1~0.offset| .cse0) (<= (+ |#StackHeapBarrier| 1) |~#s1~0.base|))) [2021-10-11 00:33:13,541 INFO L258 CegarLoopResult]: At program point L657-1(lines 650 658) the Hoare annotation is: (and (= |~#s1~0.offset| ULTIMATE.start_ldv_set_add_~s.offset) (= |ULTIMATE.start_ldv_is_in_set_#res| 1) (not (= |~#s1~0.base| |ULTIMATE.start_ldv_successful_malloc_#res.base|)) (not (= |~#s1~0.base| (select (select |#memory_$Pointer$.base| |~#s1~0.base|) |~#s1~0.offset|))) (= (select |#valid| |~#s1~0.base|) 1) (= |~#s1~0.base| ULTIMATE.start_ldv_set_add_~s.base) (not (= |~#s1~0.base| ULTIMATE.start_ldv_successful_malloc_~ptr~0.base))) [2021-10-11 00:33:13,541 INFO L262 CegarLoopResult]: For program point L653(lines 653 655) no Hoare annotation was computed. [2021-10-11 00:33:13,541 INFO L262 CegarLoopResult]: For program point L653-1(lines 653 655) no Hoare annotation was computed. [2021-10-11 00:33:13,541 INFO L262 CegarLoopResult]: For program point L633(lines 633 638) no Hoare annotation was computed. [2021-10-11 00:33:13,552 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-11 00:33:13,553 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-10-11 00:33:13,553 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-10-11 00:33:13,554 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-11 00:33:13,559 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-11 00:33:13,559 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-10-11 00:33:13,559 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-10-11 00:33:13,560 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-11 00:33:13,562 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-10-11 00:33:13,562 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-11 00:33:13,563 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-10-11 00:33:13,564 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-11 00:33:13,565 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-10-11 00:33:13,566 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-11 00:33:13,567 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-10-11 00:33:13,567 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-11 00:33:13,569 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-10-11 00:33:13,569 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-11 00:33:13,570 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-10-11 00:33:13,571 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-11 00:33:13,572 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-11 00:33:13,573 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-11 00:33:13,575 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 12:33:13 BoogieIcfgContainer [2021-10-11 00:33:13,575 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 00:33:13,575 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 00:33:13,576 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 00:33:13,576 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 00:33:13,576 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:33:10" (3/4) ... [2021-10-11 00:33:13,579 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 00:33:13,590 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2021-10-11 00:33:13,591 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-10-11 00:33:13,591 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:33:13,591 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:33:13,617 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((s1 == #memory_$Pointer$[s1][s1] && s1 == s) && s1 == #memory_$Pointer$[s1][s1]) && new == j) && s1 == s) && s1 == 0) && s1 == s) && m == s) && m + 4 == s) && \valid[s1] == 1) && \result == 0) && s1 == m + 4) && unknown-#StackHeapBarrier-unknown + 1 <= s1 [2021-10-11 00:33:13,618 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((s1 == s && !(s1 == \result)) && !(s1 == #memory_$Pointer$[s1][s1])) && s1 + 4 <= #memory_$Pointer$[s1][s1]) && #memory_$Pointer$[s1][s1] <= s1 + 4) && \valid[s1] == 1) && unknown-#memory_int-unknown[m][m] == e) && s1 == s) && !(s1 == ptr)) && !(m == s)) && s1 == 0) && unknown-#memory_int-unknown[#memory_$Pointer$[s1][s1]][s1] == j [2021-10-11 00:33:13,619 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((s1 == #memory_$Pointer$[s1][s1] && s1 == s) && s1 == #memory_$Pointer$[s1][s1]) && new == j) && s1 == s) && s1 == 0) && s1 == s) && m == s) && ptr == 0) && \result == 0) && m + 4 == s) && \valid[s1] == 1) && !(s1 == ptr)) && !(s == \result)) && s1 == m + 4) && unknown-#StackHeapBarrier-unknown + 1 <= s1 [2021-10-11 00:33:13,619 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((s1 == s && \result == 1) && !(s1 == \result)) && !(s1 == #memory_$Pointer$[s1][s1])) && \valid[s1] == 1) && s1 == s) && !(s1 == ptr) [2021-10-11 00:33:13,644 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ba9aeb-68a6-4327-962b-e0ffe7a40783/bin/uautomizer-Z5i5R5N3CC/witness.graphml [2021-10-11 00:33:13,644 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 00:33:13,646 INFO L168 Benchmark]: Toolchain (without parser) took 3973.61 ms. Allocated memory was 92.3 MB in the beginning and 119.5 MB in the end (delta: 27.3 MB). Free memory was 60.3 MB in the beginning and 50.7 MB in the end (delta: 9.6 MB). Peak memory consumption was 37.0 MB. Max. memory is 16.1 GB. [2021-10-11 00:33:13,646 INFO L168 Benchmark]: CDTParser took 0.61 ms. Allocated memory is still 92.3 MB. Free memory was 50.0 MB in the beginning and 49.9 MB in the end (delta: 39.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:33:13,647 INFO L168 Benchmark]: CACSL2BoogieTranslator took 567.98 ms. Allocated memory was 92.3 MB in the beginning and 119.5 MB in the end (delta: 27.3 MB). Free memory was 60.3 MB in the beginning and 80.2 MB in the end (delta: -20.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 00:33:13,647 INFO L168 Benchmark]: Boogie Procedure Inliner took 59.37 ms. Allocated memory is still 119.5 MB. Free memory was 80.2 MB in the beginning and 78.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:33:13,648 INFO L168 Benchmark]: Boogie Preprocessor took 33.86 ms. Allocated memory is still 119.5 MB. Free memory was 78.1 MB in the beginning and 76.7 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:33:13,649 INFO L168 Benchmark]: RCFGBuilder took 587.19 ms. Allocated memory is still 119.5 MB. Free memory was 76.7 MB in the beginning and 52.9 MB in the end (delta: 23.8 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. [2021-10-11 00:33:13,649 INFO L168 Benchmark]: TraceAbstraction took 2633.51 ms. Allocated memory is still 119.5 MB. Free memory was 52.9 MB in the beginning and 54.9 MB in the end (delta: -1.9 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:33:13,649 INFO L168 Benchmark]: Witness Printer took 69.06 ms. Allocated memory is still 119.5 MB. Free memory was 54.9 MB in the beginning and 50.7 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 00:33:13,652 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.61 ms. Allocated memory is still 92.3 MB. Free memory was 50.0 MB in the beginning and 49.9 MB in the end (delta: 39.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 567.98 ms. Allocated memory was 92.3 MB in the beginning and 119.5 MB in the end (delta: 27.3 MB). Free memory was 60.3 MB in the beginning and 80.2 MB in the end (delta: -20.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 59.37 ms. Allocated memory is still 119.5 MB. Free memory was 80.2 MB in the beginning and 78.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 33.86 ms. Allocated memory is still 119.5 MB. Free memory was 78.1 MB in the beginning and 76.7 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 587.19 ms. Allocated memory is still 119.5 MB. Free memory was 76.7 MB in the beginning and 52.9 MB in the end (delta: 23.8 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 2633.51 ms. Allocated memory is still 119.5 MB. Free memory was 52.9 MB in the beginning and 54.9 MB in the end (delta: -1.9 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 69.06 ms. Allocated memory is still 119.5 MB. Free memory was 54.9 MB in the beginning and 50.7 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 667]: 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: 652]: Loop Invariant [2021-10-11 00:33:13,665 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-11 00:33:13,665 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-10-11 00:33:13,665 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-10-11 00:33:13,667 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-11 00:33:13,668 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-11 00:33:13,671 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-10-11 00:33:13,671 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-10-11 00:33:13,672 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base Derived loop invariant: ((((((((((s1 == s && !(s1 == \result)) && !(s1 == #memory_$Pointer$[s1][s1])) && s1 + 4 <= #memory_$Pointer$[s1][s1]) && #memory_$Pointer$[s1][s1] <= s1 + 4) && \valid[s1] == 1) && unknown-#memory_int-unknown[m][m] == e) && s1 == s) && !(s1 == ptr)) && !(m == s)) && s1 == 0) && unknown-#memory_int-unknown[#memory_$Pointer$[s1][s1]][s1] == j - InvariantResult [Line: 652]: Loop Invariant [2021-10-11 00:33:13,675 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-10-11 00:33:13,675 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-11 00:33:13,676 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-10-11 00:33:13,676 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base Derived loop invariant: ((((((((((s1 == s && s1 == #memory_$Pointer$[s1][s1]) && m == s) && m + 4 == s) && \valid[s1] == 1) && s1 == s) && s1 == #memory_$Pointer$[s1][s1]) && new == j) && s1 == s) && s1 == m + 4) && s1 == 0) && unknown-#StackHeapBarrier-unknown + 1 <= s1 - InvariantResult [Line: 575]: Loop Invariant [2021-10-11 00:33:13,682 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-10-11 00:33:13,682 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-11 00:33:13,683 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-10-11 00:33:13,683 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base Derived loop invariant: ((((((((((((((s1 == #memory_$Pointer$[s1][s1] && s1 == s) && s1 == #memory_$Pointer$[s1][s1]) && new == j) && s1 == s) && s1 == 0) && s1 == s) && m == s) && ptr == 0) && \result == 0) && m + 4 == s) && \valid[s1] == 1) && !(s1 == ptr)) && !(s == \result)) && s1 == m + 4) && unknown-#StackHeapBarrier-unknown + 1 <= s1 - InvariantResult [Line: 650]: Loop Invariant [2021-10-11 00:33:13,684 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-10-11 00:33:13,684 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-11 00:33:13,685 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-10-11 00:33:13,685 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base Derived loop invariant: (((((((((((s1 == #memory_$Pointer$[s1][s1] && s1 == s) && s1 == #memory_$Pointer$[s1][s1]) && new == j) && s1 == s) && s1 == 0) && s1 == s) && m == s) && m + 4 == s) && \valid[s1] == 1) && \result == 0) && s1 == m + 4) && unknown-#StackHeapBarrier-unknown + 1 <= s1 - InvariantResult [Line: 650]: Loop Invariant [2021-10-11 00:33:13,686 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-10-11 00:33:13,686 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base Derived loop invariant: (((((s1 == s && \result == 1) && !(s1 == \result)) && !(s1 == #memory_$Pointer$[s1][s1])) && \valid[s1] == 1) && s1 == s) && !(s1 == ptr) - InvariantResult [Line: 669]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 25 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.2s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 106 SDtfs, 140 SDslu, 129 SDs, 0 SdLazy, 98 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 39 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=25occurred 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, 6 MinimizatonAttempts, 15 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 6 LocationsWithAnnotation, 6 PreInvPairs, 12 NumberOfFragments, 279 HoareAnnotationTreeSize, 6 FomulaSimplifications, 34 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 6 FomulaSimplificationsInter, 4 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 87 NumberOfCodeBlocks, 87 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 81 ConstructedInterpolants, 0 QuantifiedInterpolants, 7694 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 1/1 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...