./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops-crafted-1/sumt2.c --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_5a889cae-80af-44ac-be0d-6c5eb1f7a507/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a889cae-80af-44ac-be0d-6c5eb1f7a507/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_5a889cae-80af-44ac-be0d-6c5eb1f7a507/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a889cae-80af-44ac-be0d-6c5eb1f7a507/bin/uautomizer-Z5i5R5N3CC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/loops-crafted-1/sumt2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a889cae-80af-44ac-be0d-6c5eb1f7a507/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_5a889cae-80af-44ac-be0d-6c5eb1f7a507/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 ec9e015a6c63e8a6b780de2e1355dbb0a1dac223 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 00:24:14,098 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 00:24:14,101 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 00:24:14,142 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 00:24:14,143 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 00:24:14,147 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 00:24:14,150 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 00:24:14,154 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 00:24:14,157 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 00:24:14,166 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 00:24:14,167 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 00:24:14,169 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 00:24:14,170 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 00:24:14,173 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 00:24:14,175 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 00:24:14,177 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 00:24:14,180 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 00:24:14,185 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 00:24:14,187 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 00:24:14,195 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 00:24:14,197 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 00:24:14,199 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 00:24:14,200 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 00:24:14,201 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 00:24:14,204 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 00:24:14,205 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 00:24:14,205 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 00:24:14,206 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 00:24:14,207 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 00:24:14,208 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 00:24:14,209 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 00:24:14,210 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 00:24:14,210 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 00:24:14,211 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 00:24:14,213 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 00:24:14,213 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 00:24:14,214 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 00:24:14,215 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 00:24:14,215 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 00:24:14,235 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 00:24:14,236 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 00:24:14,237 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a889cae-80af-44ac-be0d-6c5eb1f7a507/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-11 00:24:14,280 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 00:24:14,282 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 00:24:14,285 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 00:24:14,286 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 00:24:14,286 INFO L138 SettingsManager]: * Use SBE=true [2021-10-11 00:24:14,286 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 00:24:14,287 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 00:24:14,287 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 00:24:14,287 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 00:24:14,287 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 00:24:14,288 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 00:24:14,289 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 00:24:14,289 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 00:24:14,289 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 00:24:14,289 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 00:24:14,290 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 00:24:14,290 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 00:24:14,290 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 00:24:14,290 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 00:24:14,291 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 00:24:14,291 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:24:14,291 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 00:24:14,291 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 00:24:14,292 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 00:24:14,292 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-11 00:24:14,292 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 00:24:14,292 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 00:24:14,293 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 00:24:14,293 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_5a889cae-80af-44ac-be0d-6c5eb1f7a507/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a889cae-80af-44ac-be0d-6c5eb1f7a507/bin/uautomizer-Z5i5R5N3CC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ec9e015a6c63e8a6b780de2e1355dbb0a1dac223 [2021-10-11 00:24:14,549 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 00:24:14,573 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 00:24:14,576 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 00:24:14,577 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 00:24:14,587 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 00:24:14,589 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a889cae-80af-44ac-be0d-6c5eb1f7a507/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/loops-crafted-1/sumt2.c [2021-10-11 00:24:14,681 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a889cae-80af-44ac-be0d-6c5eb1f7a507/bin/uautomizer-Z5i5R5N3CC/data/3c79a0b48/ade0279b3d46420dbf9b7d352dae1500/FLAG619790a7a [2021-10-11 00:24:15,154 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 00:24:15,154 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a889cae-80af-44ac-be0d-6c5eb1f7a507/sv-benchmarks/c/loops-crafted-1/sumt2.c [2021-10-11 00:24:15,165 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a889cae-80af-44ac-be0d-6c5eb1f7a507/bin/uautomizer-Z5i5R5N3CC/data/3c79a0b48/ade0279b3d46420dbf9b7d352dae1500/FLAG619790a7a [2021-10-11 00:24:15,525 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a889cae-80af-44ac-be0d-6c5eb1f7a507/bin/uautomizer-Z5i5R5N3CC/data/3c79a0b48/ade0279b3d46420dbf9b7d352dae1500 [2021-10-11 00:24:15,527 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 00:24:15,529 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 00:24:15,530 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 00:24:15,530 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 00:24:15,533 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 00:24:15,534 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:24:15" (1/1) ... [2021-10-11 00:24:15,536 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36100bc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:24:15, skipping insertion in model container [2021-10-11 00:24:15,536 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:24:15" (1/1) ... [2021-10-11 00:24:15,545 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 00:24:15,558 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 00:24:15,675 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_5a889cae-80af-44ac-be0d-6c5eb1f7a507/sv-benchmarks/c/loops-crafted-1/sumt2.c[403,416] [2021-10-11 00:24:15,686 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:24:15,694 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 00:24:15,706 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_5a889cae-80af-44ac-be0d-6c5eb1f7a507/sv-benchmarks/c/loops-crafted-1/sumt2.c[403,416] [2021-10-11 00:24:15,710 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:24:15,721 INFO L208 MainTranslator]: Completed translation [2021-10-11 00:24:15,721 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:24:15 WrapperNode [2021-10-11 00:24:15,721 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 00:24:15,722 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 00:24:15,723 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 00:24:15,723 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 00:24:15,731 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:24:15" (1/1) ... [2021-10-11 00:24:15,737 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:24:15" (1/1) ... [2021-10-11 00:24:15,754 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 00:24:15,755 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 00:24:15,755 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 00:24:15,755 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 00:24:15,764 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:24:15" (1/1) ... [2021-10-11 00:24:15,764 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:24:15" (1/1) ... [2021-10-11 00:24:15,765 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:24:15" (1/1) ... [2021-10-11 00:24:15,765 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:24:15" (1/1) ... [2021-10-11 00:24:15,769 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:24:15" (1/1) ... [2021-10-11 00:24:15,772 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:24:15" (1/1) ... [2021-10-11 00:24:15,774 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:24:15" (1/1) ... [2021-10-11 00:24:15,775 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 00:24:15,776 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 00:24:15,776 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 00:24:15,776 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 00:24:15,777 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:24:15" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a889cae-80af-44ac-be0d-6c5eb1f7a507/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 00:24:15,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-11 00:24:15,869 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 00:24:15,870 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 00:24:15,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 00:24:16,159 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 00:24:16,160 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-11 00:24:16,161 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:24:16 BoogieIcfgContainer [2021-10-11 00:24:16,161 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 00:24:16,163 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 00:24:16,163 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 00:24:16,167 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 00:24:16,167 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:24:15" (1/3) ... [2021-10-11 00:24:16,168 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1510ab76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:24:16, skipping insertion in model container [2021-10-11 00:24:16,168 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:24:15" (2/3) ... [2021-10-11 00:24:16,169 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1510ab76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:24:16, skipping insertion in model container [2021-10-11 00:24:16,169 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:24:16" (3/3) ... [2021-10-11 00:24:16,171 INFO L111 eAbstractionObserver]: Analyzing ICFG sumt2.c [2021-10-11 00:24:16,199 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 00:24:16,202 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-10-11 00:24:16,213 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-11 00:24:16,235 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 00:24:16,236 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 00:24:16,236 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 00:24:16,236 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 00:24:16,236 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 00:24:16,237 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 00:24:16,237 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 00:24:16,237 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 00:24:16,250 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states. [2021-10-11 00:24:16,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-11 00:24:16,255 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:24:16,256 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:24:16,257 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:24:16,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:24:16,263 INFO L82 PathProgramCache]: Analyzing trace with hash 1807304968, now seen corresponding path program 1 times [2021-10-11 00:24:16,272 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:24:16,272 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641817509] [2021-10-11 00:24:16,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:24:16,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:24:16,470 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 00:24:16,471 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641817509] [2021-10-11 00:24:16,472 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:24:16,472 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:24:16,473 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879855548] [2021-10-11 00:24:16,477 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 00:24:16,478 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:24:16,491 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 00:24:16,492 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 00:24:16,494 INFO L87 Difference]: Start difference. First operand 14 states. Second operand 2 states. [2021-10-11 00:24:16,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:24:16,509 INFO L93 Difference]: Finished difference Result 22 states and 26 transitions. [2021-10-11 00:24:16,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 00:24:16,510 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 7 [2021-10-11 00:24:16,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:24:16,519 INFO L225 Difference]: With dead ends: 22 [2021-10-11 00:24:16,519 INFO L226 Difference]: Without dead ends: 10 [2021-10-11 00:24:16,522 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 00:24:16,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2021-10-11 00:24:16,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2021-10-11 00:24:16,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-10-11 00:24:16,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 11 transitions. [2021-10-11 00:24:16,554 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 11 transitions. Word has length 7 [2021-10-11 00:24:16,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:24:16,555 INFO L481 AbstractCegarLoop]: Abstraction has 10 states and 11 transitions. [2021-10-11 00:24:16,555 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 00:24:16,555 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions. [2021-10-11 00:24:16,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-11 00:24:16,555 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:24:16,556 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:24:16,556 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-11 00:24:16,556 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:24:16,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:24:16,557 INFO L82 PathProgramCache]: Analyzing trace with hash 1806977267, now seen corresponding path program 1 times [2021-10-11 00:24:16,558 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:24:16,558 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417106748] [2021-10-11 00:24:16,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:24:16,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:24:16,750 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 00:24:16,750 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417106748] [2021-10-11 00:24:16,751 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:24:16,751 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 00:24:16,751 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631101510] [2021-10-11 00:24:16,752 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 00:24:16,753 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:24:16,754 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 00:24:16,755 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 00:24:16,755 INFO L87 Difference]: Start difference. First operand 10 states and 11 transitions. Second operand 4 states. [2021-10-11 00:24:16,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:24:16,819 INFO L93 Difference]: Finished difference Result 21 states and 25 transitions. [2021-10-11 00:24:16,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 00:24:16,820 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2021-10-11 00:24:16,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:24:16,821 INFO L225 Difference]: With dead ends: 21 [2021-10-11 00:24:16,821 INFO L226 Difference]: Without dead ends: 12 [2021-10-11 00:24:16,822 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 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 00:24:16,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2021-10-11 00:24:16,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2021-10-11 00:24:16,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-10-11 00:24:16,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 13 transitions. [2021-10-11 00:24:16,826 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 13 transitions. Word has length 7 [2021-10-11 00:24:16,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:24:16,826 INFO L481 AbstractCegarLoop]: Abstraction has 12 states and 13 transitions. [2021-10-11 00:24:16,827 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 00:24:16,827 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2021-10-11 00:24:16,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-11 00:24:16,827 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:24:16,828 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:24:16,828 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-11 00:24:16,828 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:24:16,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:24:16,829 INFO L82 PathProgramCache]: Analyzing trace with hash 78673311, now seen corresponding path program 1 times [2021-10-11 00:24:16,829 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:24:16,830 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609032933] [2021-10-11 00:24:16,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:24:16,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:24:17,382 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:24:17,383 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [609032933] [2021-10-11 00:24:17,383 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1879696220] [2021-10-11 00:24:17,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a889cae-80af-44ac-be0d-6c5eb1f7a507/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 00:24:17,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:24:17,456 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 13 conjunts are in the unsatisfiable core [2021-10-11 00:24:17,464 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:24:17,577 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:24:17,578 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-11 00:24:17,579 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6] total 11 [2021-10-11 00:24:17,580 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326898384] [2021-10-11 00:24:17,581 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-10-11 00:24:17,581 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:24:17,582 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-11 00:24:17,584 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2021-10-11 00:24:17,584 INFO L87 Difference]: Start difference. First operand 12 states and 13 transitions. Second operand 11 states. [2021-10-11 00:24:17,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:24:17,690 INFO L93 Difference]: Finished difference Result 24 states and 28 transitions. [2021-10-11 00:24:17,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-11 00:24:17,691 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 10 [2021-10-11 00:24:17,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:24:17,697 INFO L225 Difference]: With dead ends: 24 [2021-10-11 00:24:17,698 INFO L226 Difference]: Without dead ends: 15 [2021-10-11 00:24:17,700 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2021-10-11 00:24:17,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2021-10-11 00:24:17,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2021-10-11 00:24:17,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-10-11 00:24:17,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 16 transitions. [2021-10-11 00:24:17,707 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 16 transitions. Word has length 10 [2021-10-11 00:24:17,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:24:17,708 INFO L481 AbstractCegarLoop]: Abstraction has 15 states and 16 transitions. [2021-10-11 00:24:17,708 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2021-10-11 00:24:17,708 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2021-10-11 00:24:17,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-11 00:24:17,709 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:24:17,709 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:24:17,930 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2021-10-11 00:24:17,931 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:24:17,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:24:17,931 INFO L82 PathProgramCache]: Analyzing trace with hash 300722865, now seen corresponding path program 1 times [2021-10-11 00:24:17,931 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:24:17,931 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2044587348] [2021-10-11 00:24:17,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:24:17,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:24:18,383 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:24:18,384 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2044587348] [2021-10-11 00:24:18,384 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1505474457] [2021-10-11 00:24:18,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a889cae-80af-44ac-be0d-6c5eb1f7a507/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 00:24:18,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:24:18,438 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 17 conjunts are in the unsatisfiable core [2021-10-11 00:24:18,440 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:24:18,568 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-10-11 00:24:18,578 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-10-11 00:24:18,611 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:24:18,611 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-11 00:24:18,611 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8] total 14 [2021-10-11 00:24:18,611 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035752350] [2021-10-11 00:24:18,612 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-10-11 00:24:18,612 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:24:18,613 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-10-11 00:24:18,613 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2021-10-11 00:24:18,614 INFO L87 Difference]: Start difference. First operand 15 states and 16 transitions. Second operand 14 states. [2021-10-11 00:24:18,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:24:18,811 INFO L93 Difference]: Finished difference Result 27 states and 31 transitions. [2021-10-11 00:24:18,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-11 00:24:18,812 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 13 [2021-10-11 00:24:18,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:24:18,814 INFO L225 Difference]: With dead ends: 27 [2021-10-11 00:24:18,814 INFO L226 Difference]: Without dead ends: 18 [2021-10-11 00:24:18,816 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 9 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=56, Invalid=216, Unknown=0, NotChecked=0, Total=272 [2021-10-11 00:24:18,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2021-10-11 00:24:18,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2021-10-11 00:24:18,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-10-11 00:24:18,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 19 transitions. [2021-10-11 00:24:18,821 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 19 transitions. Word has length 13 [2021-10-11 00:24:18,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:24:18,822 INFO L481 AbstractCegarLoop]: Abstraction has 18 states and 19 transitions. [2021-10-11 00:24:18,822 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2021-10-11 00:24:18,822 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2021-10-11 00:24:18,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-11 00:24:18,824 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:24:18,824 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:24:19,042 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 00:24:19,042 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:24:19,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:24:19,043 INFO L82 PathProgramCache]: Analyzing trace with hash 1072091937, now seen corresponding path program 2 times [2021-10-11 00:24:19,043 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:24:19,043 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532595886] [2021-10-11 00:24:19,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:24:19,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:24:19,663 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:24:19,664 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1532595886] [2021-10-11 00:24:19,664 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1277845375] [2021-10-11 00:24:19,664 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a889cae-80af-44ac-be0d-6c5eb1f7a507/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 00:24:19,730 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-11 00:24:19,730 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-11 00:24:19,732 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 27 conjunts are in the unsatisfiable core [2021-10-11 00:24:19,734 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:24:19,943 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-10-11 00:24:19,979 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:24:19,979 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-11 00:24:19,979 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 10] total 20 [2021-10-11 00:24:19,980 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970414563] [2021-10-11 00:24:19,981 INFO L461 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-10-11 00:24:19,982 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:24:19,982 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-11 00:24:19,983 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=319, Unknown=0, NotChecked=0, Total=380 [2021-10-11 00:24:19,984 INFO L87 Difference]: Start difference. First operand 18 states and 19 transitions. Second operand 20 states. [2021-10-11 00:24:20,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:24:20,707 INFO L93 Difference]: Finished difference Result 31 states and 38 transitions. [2021-10-11 00:24:20,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-10-11 00:24:20,708 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 16 [2021-10-11 00:24:20,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:24:20,708 INFO L225 Difference]: With dead ends: 31 [2021-10-11 00:24:20,708 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 00:24:20,709 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 212 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=169, Invalid=953, Unknown=0, NotChecked=0, Total=1122 [2021-10-11 00:24:20,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 00:24:20,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 00:24:20,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 00:24:20,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 00:24:20,709 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 16 [2021-10-11 00:24:20,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:24:20,709 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:24:20,709 INFO L482 AbstractCegarLoop]: Interpolant automaton has 20 states. [2021-10-11 00:24:20,710 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 00:24:20,710 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 00:24:20,911 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 00:24:20,913 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 00:24:21,049 WARN L197 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 36 [2021-10-11 00:24:21,061 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 00:24:21,061 INFO L262 CegarLoopResult]: For program point L25(lines 25 28) no Hoare annotation was computed. [2021-10-11 00:24:21,061 INFO L262 CegarLoopResult]: For program point L25-2(lines 25 28) no Hoare annotation was computed. [2021-10-11 00:24:21,062 INFO L258 CegarLoopResult]: At program point L23-2(lines 23 30) the Hoare annotation is: (let ((.cse1 (= ULTIMATE.start_main_~j~0 0)) (.cse0 (< 0 (+ (div ~SIZE~0 4294967296) 1))) (.cse2 (<= ULTIMATE.start_main_~i~0 1)) (.cse3 (<= 1 ULTIMATE.start_main_~i~0)) (.cse4 (<= ~SIZE~0 20000001))) (or (and .cse0 (= ULTIMATE.start_main_~l~0 1) .cse1 .cse2 .cse3 .cse4) (let ((.cse5 (+ ULTIMATE.start_main_~i~0 ULTIMATE.start_main_~j~0))) (and (<= (+ (* 4294967296 (div ULTIMATE.start_main_~n~0 4294967296)) ULTIMATE.start_main_~l~0 3) (+ ULTIMATE.start_main_~n~0 ULTIMATE.start_main_~i~0 ULTIMATE.start_main_~j~0)) .cse0 (<= ULTIMATE.start_main_~l~0 .cse5) (<= .cse5 ULTIMATE.start_main_~l~0) .cse4)) (and .cse0 (= ULTIMATE.start_main_~i~0 0) .cse1 (= ULTIMATE.start_main_~l~0 0) .cse4) (and .cse0 (= ULTIMATE.start_main_~l~0 2) .cse2 .cse3 (= ULTIMATE.start_main_~j~0 1) .cse4))) [2021-10-11 00:24:21,062 INFO L262 CegarLoopResult]: For program point L23-3(lines 23 30) no Hoare annotation was computed. [2021-10-11 00:24:21,062 INFO L262 CegarLoopResult]: For program point L19(line 19) no Hoare annotation was computed. [2021-10-11 00:24:21,062 INFO L262 CegarLoopResult]: For program point L9(lines 9 11) no Hoare annotation was computed. [2021-10-11 00:24:21,062 INFO L265 CegarLoopResult]: At program point L9-2(lines 8 13) the Hoare annotation is: true [2021-10-11 00:24:21,062 INFO L265 CegarLoopResult]: At program point L32(lines 16 33) the Hoare annotation is: true [2021-10-11 00:24:21,062 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 00:24:21,062 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 00:24:21,062 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 00:24:21,063 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 10) no Hoare annotation was computed. [2021-10-11 00:24:21,063 INFO L262 CegarLoopResult]: For program point L10(line 10) no Hoare annotation was computed. [2021-10-11 00:24:21,086 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 12:24:21 BoogieIcfgContainer [2021-10-11 00:24:21,086 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 00:24:21,086 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 00:24:21,087 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 00:24:21,087 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 00:24:21,091 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:24:16" (3/4) ... [2021-10-11 00:24:21,095 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 00:24:21,105 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-10-11 00:24:21,106 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-11 00:24:21,106 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:24:21,106 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:24:21,165 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a889cae-80af-44ac-be0d-6c5eb1f7a507/bin/uautomizer-Z5i5R5N3CC/witness.graphml [2021-10-11 00:24:21,165 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 00:24:21,167 INFO L168 Benchmark]: Toolchain (without parser) took 5637.27 ms. Allocated memory was 96.5 MB in the beginning and 159.4 MB in the end (delta: 62.9 MB). Free memory was 69.9 MB in the beginning and 85.7 MB in the end (delta: -15.8 MB). Peak memory consumption was 47.2 MB. Max. memory is 16.1 GB. [2021-10-11 00:24:21,167 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 96.5 MB. Free memory is still 67.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:24:21,168 INFO L168 Benchmark]: CACSL2BoogieTranslator took 191.65 ms. Allocated memory is still 96.5 MB. Free memory was 69.7 MB in the beginning and 60.1 MB in the end (delta: 9.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 00:24:21,169 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.04 ms. Allocated memory is still 96.5 MB. Free memory was 60.1 MB in the beginning and 58.7 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:24:21,169 INFO L168 Benchmark]: Boogie Preprocessor took 20.28 ms. Allocated memory is still 96.5 MB. Free memory was 58.7 MB in the beginning and 57.7 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:24:21,173 INFO L168 Benchmark]: RCFGBuilder took 385.32 ms. Allocated memory was 96.5 MB in the beginning and 132.1 MB in the end (delta: 35.7 MB). Free memory was 57.7 MB in the beginning and 109.1 MB in the end (delta: -51.5 MB). Peak memory consumption was 16.5 MB. Max. memory is 16.1 GB. [2021-10-11 00:24:21,174 INFO L168 Benchmark]: TraceAbstraction took 4922.79 ms. Allocated memory was 132.1 MB in the beginning and 159.4 MB in the end (delta: 27.3 MB). Free memory was 108.7 MB in the beginning and 88.9 MB in the end (delta: 19.8 MB). Peak memory consumption was 47.5 MB. Max. memory is 16.1 GB. [2021-10-11 00:24:21,174 INFO L168 Benchmark]: Witness Printer took 79.09 ms. Allocated memory is still 159.4 MB. Free memory was 88.9 MB in the beginning and 85.7 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:24:21,178 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 96.5 MB. Free memory is still 67.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 191.65 ms. Allocated memory is still 96.5 MB. Free memory was 69.7 MB in the beginning and 60.1 MB in the end (delta: 9.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 32.04 ms. Allocated memory is still 96.5 MB. Free memory was 60.1 MB in the beginning and 58.7 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 20.28 ms. Allocated memory is still 96.5 MB. Free memory was 58.7 MB in the beginning and 57.7 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 385.32 ms. Allocated memory was 96.5 MB in the beginning and 132.1 MB in the end (delta: 35.7 MB). Free memory was 57.7 MB in the beginning and 109.1 MB in the end (delta: -51.5 MB). Peak memory consumption was 16.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 4922.79 ms. Allocated memory was 132.1 MB in the beginning and 159.4 MB in the end (delta: 27.3 MB). Free memory was 108.7 MB in the beginning and 88.9 MB in the end (delta: 19.8 MB). Peak memory consumption was 47.5 MB. Max. memory is 16.1 GB. * Witness Printer took 79.09 ms. Allocated memory is still 159.4 MB. Free memory was 88.9 MB in the beginning and 85.7 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 10]: 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: 23]: Loop Invariant Derived loop invariant: (((((((0 < SIZE / 4294967296 + 1 && l == 1) && j == 0) && i <= 1) && 1 <= i) && SIZE <= 20000001) || ((((4294967296 * (n / 4294967296) + l + 3 <= n + i + j && 0 < SIZE / 4294967296 + 1) && l <= i + j) && i + j <= l) && SIZE <= 20000001)) || ((((0 < SIZE / 4294967296 + 1 && i == 0) && j == 0) && l == 0) && SIZE <= 20000001)) || (((((0 < SIZE / 4294967296 + 1 && l == 2) && i <= 1) && 1 <= i) && j == 1) && SIZE <= 20000001) - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 8]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 14 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.6s, OverallIterations: 5, TraceHistogramMax: 3, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 35 SDtfs, 47 SDslu, 65 SDs, 0 SdLazy, 350 SolverSat, 41 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 94 GetRequests, 30 SyntacticMatches, 4 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 266 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18occurred in iteration=4, 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, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 11 NumberOfFragments, 103 HoareAnnotationTreeSize, 3 FomulaSimplifications, 85 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 12 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 92 NumberOfCodeBlocks, 92 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 84 ConstructedInterpolants, 0 QuantifiedInterpolants, 12948 SizeOfPredicates, 14 NumberOfNonLiveVariables, 196 ConjunctsInSsa, 57 ConjunctsInUnsatCore, 8 InterpolantComputations, 2 PerfectInterpolantSequences, 0/36 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...