./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-zilu/benchmark05_conjunctive.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_f50a01c5-6395-469f-aec8-31e6e290c6fc/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_f50a01c5-6395-469f-aec8-31e6e290c6fc/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f50a01c5-6395-469f-aec8-31e6e290c6fc/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f50a01c5-6395-469f-aec8-31e6e290c6fc/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/loop-zilu/benchmark05_conjunctive.i -s /tmp/vcloud-vcloud-master/worker/run_dir_f50a01c5-6395-469f-aec8-31e6e290c6fc/bin/utaipan/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f50a01c5-6395-469f-aec8-31e6e290c6fc/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash dc958b9ca44e6df037a80498d8cbf6f2fc13bb26 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2020-12-03 12:39:15,382 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-03 12:39:15,385 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-03 12:39:15,437 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-03 12:39:15,438 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-03 12:39:15,439 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-03 12:39:15,442 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-03 12:39:15,444 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-03 12:39:15,447 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-03 12:39:15,459 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-03 12:39:15,460 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-03 12:39:15,462 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-03 12:39:15,463 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-03 12:39:15,464 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-03 12:39:15,465 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-03 12:39:15,467 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-03 12:39:15,468 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-03 12:39:15,469 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-03 12:39:15,472 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-03 12:39:15,474 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-03 12:39:15,476 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-03 12:39:15,478 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-03 12:39:15,479 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-03 12:39:15,481 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-03 12:39:15,500 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-03 12:39:15,501 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-03 12:39:15,501 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-03 12:39:15,502 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-03 12:39:15,503 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-03 12:39:15,504 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-03 12:39:15,505 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-03 12:39:15,506 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-03 12:39:15,507 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-03 12:39:15,508 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-03 12:39:15,509 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-03 12:39:15,509 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-03 12:39:15,510 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-03 12:39:15,510 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-03 12:39:15,511 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-03 12:39:15,512 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-03 12:39:15,513 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-03 12:39:15,514 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f50a01c5-6395-469f-aec8-31e6e290c6fc/bin/utaipan/config/svcomp-Overflow-32bit-Taipan_Default.epf [2020-12-03 12:39:15,547 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-03 12:39:15,547 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-03 12:39:15,548 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-03 12:39:15,549 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-03 12:39:15,549 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-03 12:39:15,549 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-03 12:39:15,549 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-12-03 12:39:15,550 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-03 12:39:15,550 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-03 12:39:15,550 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-12-03 12:39:15,550 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-12-03 12:39:15,550 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-03 12:39:15,551 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-12-03 12:39:15,551 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-12-03 12:39:15,551 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-12-03 12:39:15,552 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-03 12:39:15,552 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-03 12:39:15,553 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-03 12:39:15,553 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-03 12:39:15,553 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-03 12:39:15,553 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-03 12:39:15,553 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-03 12:39:15,554 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-03 12:39:15,554 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-03 12:39:15,554 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-12-03 12:39:15,554 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-03 12:39:15,555 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-03 12:39:15,555 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-03 12:39:15,555 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-03 12:39:15,555 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-03 12:39:15,556 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-03 12:39:15,556 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-03 12:39:15,556 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-03 12:39:15,556 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-03 12:39:15,557 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-03 12:39:15,557 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-12-03 12:39:15,557 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-03 12:39:15,557 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-03 12:39:15,557 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-03 12:39:15,558 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-03 12:39:15,558 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_f50a01c5-6395-469f-aec8-31e6e290c6fc/bin/utaipan/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_f50a01c5-6395-469f-aec8-31e6e290c6fc/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dc958b9ca44e6df037a80498d8cbf6f2fc13bb26 [2020-12-03 12:39:15,782 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-03 12:39:15,808 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-03 12:39:15,812 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-03 12:39:15,813 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-03 12:39:15,814 INFO L275 PluginConnector]: CDTParser initialized [2020-12-03 12:39:15,815 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f50a01c5-6395-469f-aec8-31e6e290c6fc/bin/utaipan/../../sv-benchmarks/c/loop-zilu/benchmark05_conjunctive.i [2020-12-03 12:39:15,888 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f50a01c5-6395-469f-aec8-31e6e290c6fc/bin/utaipan/data/5b41eaae6/cf4694e003cc42199b72fa16f71419a5/FLAG595aad7e1 [2020-12-03 12:39:16,416 INFO L306 CDTParser]: Found 1 translation units. [2020-12-03 12:39:16,416 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f50a01c5-6395-469f-aec8-31e6e290c6fc/sv-benchmarks/c/loop-zilu/benchmark05_conjunctive.i [2020-12-03 12:39:16,422 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f50a01c5-6395-469f-aec8-31e6e290c6fc/bin/utaipan/data/5b41eaae6/cf4694e003cc42199b72fa16f71419a5/FLAG595aad7e1 [2020-12-03 12:39:16,894 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f50a01c5-6395-469f-aec8-31e6e290c6fc/bin/utaipan/data/5b41eaae6/cf4694e003cc42199b72fa16f71419a5 [2020-12-03 12:39:16,896 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-03 12:39:16,898 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-03 12:39:16,899 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-03 12:39:16,899 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-03 12:39:16,902 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-03 12:39:16,903 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:39:16" (1/1) ... [2020-12-03 12:39:16,905 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79b0383a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:39:16, skipping insertion in model container [2020-12-03 12:39:16,905 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:39:16" (1/1) ... [2020-12-03 12:39:16,912 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-03 12:39:16,926 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-03 12:39:17,073 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_f50a01c5-6395-469f-aec8-31e6e290c6fc/sv-benchmarks/c/loop-zilu/benchmark05_conjunctive.i[873,886] [2020-12-03 12:39:17,082 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-03 12:39:17,092 INFO L203 MainTranslator]: Completed pre-run [2020-12-03 12:39:17,110 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_f50a01c5-6395-469f-aec8-31e6e290c6fc/sv-benchmarks/c/loop-zilu/benchmark05_conjunctive.i[873,886] [2020-12-03 12:39:17,117 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-03 12:39:17,135 INFO L208 MainTranslator]: Completed translation [2020-12-03 12:39:17,135 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:39:17 WrapperNode [2020-12-03 12:39:17,136 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-03 12:39:17,137 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-03 12:39:17,138 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-03 12:39:17,138 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-03 12:39:17,145 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:39:17" (1/1) ... [2020-12-03 12:39:17,154 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:39:17" (1/1) ... [2020-12-03 12:39:17,175 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-03 12:39:17,177 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-03 12:39:17,177 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-03 12:39:17,177 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-03 12:39:17,186 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:39:17" (1/1) ... [2020-12-03 12:39:17,186 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:39:17" (1/1) ... [2020-12-03 12:39:17,200 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:39:17" (1/1) ... [2020-12-03 12:39:17,201 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:39:17" (1/1) ... [2020-12-03 12:39:17,205 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:39:17" (1/1) ... [2020-12-03 12:39:17,211 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:39:17" (1/1) ... [2020-12-03 12:39:17,212 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:39:17" (1/1) ... [2020-12-03 12:39:17,214 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-03 12:39:17,215 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-03 12:39:17,215 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-03 12:39:17,216 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-03 12:39:17,217 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:39:17" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f50a01c5-6395-469f-aec8-31e6e290c6fc/bin/utaipan/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 [2020-12-03 12:39:17,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-03 12:39:17,303 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-03 12:39:17,303 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-03 12:39:17,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-03 12:39:17,599 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-03 12:39:17,599 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2020-12-03 12:39:17,601 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:39:17 BoogieIcfgContainer [2020-12-03 12:39:17,601 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-03 12:39:17,602 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-03 12:39:17,603 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-03 12:39:17,606 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-03 12:39:17,606 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.12 12:39:16" (1/3) ... [2020-12-03 12:39:17,607 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@94c9c43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 12:39:17, skipping insertion in model container [2020-12-03 12:39:17,607 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:39:17" (2/3) ... [2020-12-03 12:39:17,607 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@94c9c43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 12:39:17, skipping insertion in model container [2020-12-03 12:39:17,607 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:39:17" (3/3) ... [2020-12-03 12:39:17,608 INFO L111 eAbstractionObserver]: Analyzing ICFG benchmark05_conjunctive.i [2020-12-03 12:39:17,638 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-03 12:39:17,640 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2020-12-03 12:39:17,651 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-12-03 12:39:17,673 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-03 12:39:17,674 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-03 12:39:17,674 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-03 12:39:17,674 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-03 12:39:17,674 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-03 12:39:17,674 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-03 12:39:17,674 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-03 12:39:17,675 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-03 12:39:17,703 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states. [2020-12-03 12:39:17,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-12-03 12:39:17,707 INFO L414 BasicCegarLoop]: Found error trace [2020-12-03 12:39:17,708 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-12-03 12:39:17,709 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-12-03 12:39:17,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-03 12:39:17,714 INFO L82 PathProgramCache]: Analyzing trace with hash 2271356, now seen corresponding path program 1 times [2020-12-03 12:39:17,722 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-03 12:39:17,723 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1793082292] [2020-12-03 12:39:17,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-03 12:39:17,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 12:39:17,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 12:39:17,983 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1793082292] [2020-12-03 12:39:17,983 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-03 12:39:17,984 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-03 12:39:17,985 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017798895] [2020-12-03 12:39:17,989 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-03 12:39:17,989 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-03 12:39:18,006 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-03 12:39:18,007 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-03 12:39:18,009 INFO L87 Difference]: Start difference. First operand 14 states. Second operand 5 states. [2020-12-03 12:39:18,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-03 12:39:18,109 INFO L93 Difference]: Finished difference Result 17 states and 19 transitions. [2020-12-03 12:39:18,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-03 12:39:18,111 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 4 [2020-12-03 12:39:18,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-03 12:39:18,133 INFO L225 Difference]: With dead ends: 17 [2020-12-03 12:39:18,133 INFO L226 Difference]: Without dead ends: 12 [2020-12-03 12:39:18,137 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-03 12:39:18,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2020-12-03 12:39:18,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 11. [2020-12-03 12:39:18,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2020-12-03 12:39:18,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 12 transitions. [2020-12-03 12:39:18,169 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 12 transitions. Word has length 4 [2020-12-03 12:39:18,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-03 12:39:18,170 INFO L481 AbstractCegarLoop]: Abstraction has 11 states and 12 transitions. [2020-12-03 12:39:18,170 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-03 12:39:18,170 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2020-12-03 12:39:18,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-12-03 12:39:18,171 INFO L414 BasicCegarLoop]: Found error trace [2020-12-03 12:39:18,171 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-12-03 12:39:18,173 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-03 12:39:18,174 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-12-03 12:39:18,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-03 12:39:18,181 INFO L82 PathProgramCache]: Analyzing trace with hash 70412086, now seen corresponding path program 1 times [2020-12-03 12:39:18,182 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-03 12:39:18,182 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762614058] [2020-12-03 12:39:18,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-03 12:39:18,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 12:39:18,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 12:39:18,251 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1762614058] [2020-12-03 12:39:18,251 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-03 12:39:18,251 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-03 12:39:18,251 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675744062] [2020-12-03 12:39:18,252 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-03 12:39:18,253 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-03 12:39:18,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-03 12:39:18,256 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-03 12:39:18,257 INFO L87 Difference]: Start difference. First operand 11 states and 12 transitions. Second operand 4 states. [2020-12-03 12:39:18,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-03 12:39:18,293 INFO L93 Difference]: Finished difference Result 11 states and 12 transitions. [2020-12-03 12:39:18,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-03 12:39:18,294 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 5 [2020-12-03 12:39:18,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-03 12:39:18,295 INFO L225 Difference]: With dead ends: 11 [2020-12-03 12:39:18,295 INFO L226 Difference]: Without dead ends: 10 [2020-12-03 12:39:18,297 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-03 12:39:18,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2020-12-03 12:39:18,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2020-12-03 12:39:18,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-12-03 12:39:18,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 11 transitions. [2020-12-03 12:39:18,301 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 11 transitions. Word has length 5 [2020-12-03 12:39:18,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-03 12:39:18,302 INFO L481 AbstractCegarLoop]: Abstraction has 10 states and 11 transitions. [2020-12-03 12:39:18,302 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-03 12:39:18,303 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions. [2020-12-03 12:39:18,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-12-03 12:39:18,304 INFO L414 BasicCegarLoop]: Found error trace [2020-12-03 12:39:18,304 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-12-03 12:39:18,305 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-03 12:39:18,305 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-12-03 12:39:18,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-03 12:39:18,307 INFO L82 PathProgramCache]: Analyzing trace with hash -1053460392, now seen corresponding path program 1 times [2020-12-03 12:39:18,308 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-03 12:39:18,310 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [929667833] [2020-12-03 12:39:18,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-03 12:39:18,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 12:39:18,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 12:39:18,421 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [929667833] [2020-12-03 12:39:18,421 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-03 12:39:18,421 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-03 12:39:18,421 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110341795] [2020-12-03 12:39:18,422 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-03 12:39:18,422 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-03 12:39:18,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-03 12:39:18,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-03 12:39:18,423 INFO L87 Difference]: Start difference. First operand 10 states and 11 transitions. Second operand 5 states. [2020-12-03 12:39:18,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-03 12:39:18,516 INFO L93 Difference]: Finished difference Result 18 states and 20 transitions. [2020-12-03 12:39:18,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-03 12:39:18,516 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 7 [2020-12-03 12:39:18,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-03 12:39:18,517 INFO L225 Difference]: With dead ends: 18 [2020-12-03 12:39:18,517 INFO L226 Difference]: Without dead ends: 17 [2020-12-03 12:39:18,518 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-03 12:39:18,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2020-12-03 12:39:18,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 15. [2020-12-03 12:39:18,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2020-12-03 12:39:18,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions. [2020-12-03 12:39:18,529 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 17 transitions. Word has length 7 [2020-12-03 12:39:18,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-03 12:39:18,529 INFO L481 AbstractCegarLoop]: Abstraction has 15 states and 17 transitions. [2020-12-03 12:39:18,529 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-03 12:39:18,530 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2020-12-03 12:39:18,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-03 12:39:18,530 INFO L414 BasicCegarLoop]: Found error trace [2020-12-03 12:39:18,530 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-12-03 12:39:18,530 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-03 12:39:18,531 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-12-03 12:39:18,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-03 12:39:18,531 INFO L82 PathProgramCache]: Analyzing trace with hash 1702466273, now seen corresponding path program 1 times [2020-12-03 12:39:18,532 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-03 12:39:18,532 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93961550] [2020-12-03 12:39:18,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-03 12:39:18,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 12:39:18,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 12:39:18,586 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [93961550] [2020-12-03 12:39:18,586 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-03 12:39:18,586 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-03 12:39:18,587 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340735791] [2020-12-03 12:39:18,588 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-03 12:39:18,588 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-03 12:39:18,589 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-03 12:39:18,589 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-03 12:39:18,589 INFO L87 Difference]: Start difference. First operand 15 states and 17 transitions. Second operand 4 states. [2020-12-03 12:39:18,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-03 12:39:18,616 INFO L93 Difference]: Finished difference Result 15 states and 17 transitions. [2020-12-03 12:39:18,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-03 12:39:18,617 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2020-12-03 12:39:18,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-03 12:39:18,617 INFO L225 Difference]: With dead ends: 15 [2020-12-03 12:39:18,617 INFO L226 Difference]: Without dead ends: 14 [2020-12-03 12:39:18,619 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-03 12:39:18,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2020-12-03 12:39:18,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2020-12-03 12:39:18,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2020-12-03 12:39:18,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 16 transitions. [2020-12-03 12:39:18,628 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 16 transitions. Word has length 8 [2020-12-03 12:39:18,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-03 12:39:18,628 INFO L481 AbstractCegarLoop]: Abstraction has 14 states and 16 transitions. [2020-12-03 12:39:18,628 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-03 12:39:18,629 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2020-12-03 12:39:18,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-03 12:39:18,629 INFO L414 BasicCegarLoop]: Found error trace [2020-12-03 12:39:18,629 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1] [2020-12-03 12:39:18,630 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-03 12:39:18,631 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-12-03 12:39:18,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-03 12:39:18,633 INFO L82 PathProgramCache]: Analyzing trace with hash -1002250479, now seen corresponding path program 1 times [2020-12-03 12:39:18,633 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-03 12:39:18,635 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1196731897] [2020-12-03 12:39:18,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-03 12:39:18,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 12:39:18,747 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 12:39:18,748 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1196731897] [2020-12-03 12:39:18,748 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [219823031] [2020-12-03 12:39:18,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f50a01c5-6395-469f-aec8-31e6e290c6fc/bin/utaipan/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 [2020-12-03 12:39:18,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 12:39:18,808 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjunts are in the unsatisfiable core [2020-12-03 12:39:18,812 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-03 12:39:18,985 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 12:39:18,986 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-03 12:39:19,088 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 12:39:19,088 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [44159250] [2020-12-03 12:39:19,114 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2020-12-03 12:39:19,114 INFO L166 IcfgInterpreter]: Building call graph [2020-12-03 12:39:19,120 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2020-12-03 12:39:19,126 INFO L176 IcfgInterpreter]: Starting interpretation [2020-12-03 12:39:19,126 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2020-12-03 12:39:19,781 INFO L180 IcfgInterpreter]: Interpretation finished [2020-12-03 12:39:19,941 WARN L197 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 53 [2020-12-03 12:39:20,396 WARN L197 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 54 [2020-12-03 12:39:20,723 WARN L197 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 55 [2020-12-03 12:39:21,185 WARN L197 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 52 [2020-12-03 12:39:21,360 WARN L197 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 51 [2020-12-03 12:39:21,476 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2020-12-03 12:39:21,476 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5, 5, 5] total 14 [2020-12-03 12:39:21,477 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769386679] [2020-12-03 12:39:21,477 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-03 12:39:21,477 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-03 12:39:21,477 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-03 12:39:21,477 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2020-12-03 12:39:21,478 INFO L87 Difference]: Start difference. First operand 14 states and 16 transitions. Second operand 7 states. [2020-12-03 12:39:21,785 WARN L197 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 51 [2020-12-03 12:39:21,951 WARN L197 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 52 [2020-12-03 12:39:21,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-03 12:39:21,974 INFO L93 Difference]: Finished difference Result 20 states and 22 transitions. [2020-12-03 12:39:21,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-03 12:39:21,975 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 13 [2020-12-03 12:39:21,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-03 12:39:21,975 INFO L225 Difference]: With dead ends: 20 [2020-12-03 12:39:21,975 INFO L226 Difference]: Without dead ends: 0 [2020-12-03 12:39:21,976 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 23 SyntacticMatches, 5 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=80, Invalid=226, Unknown=0, NotChecked=0, Total=306 [2020-12-03 12:39:21,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-03 12:39:21,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-03 12:39:21,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-03 12:39:21,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-03 12:39:21,977 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2020-12-03 12:39:21,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-03 12:39:21,977 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-03 12:39:21,977 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-03 12:39:21,977 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-03 12:39:21,977 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-03 12:39:22,192 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-03 12:39:22,194 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-03 12:39:22,526 WARN L197 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 55 [2020-12-03 12:39:22,531 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 25) no Hoare annotation was computed. [2020-12-03 12:39:22,532 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-03 12:39:22,532 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 26) no Hoare annotation was computed. [2020-12-03 12:39:22,533 INFO L258 CegarLoopResult]: At program point L29(lines 19 30) the Hoare annotation is: (<= ULTIMATE.start_main_~n~0 2147483647) [2020-12-03 12:39:22,533 INFO L262 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-12-03 12:39:22,533 INFO L262 CegarLoopResult]: For program point L25-1(line 25) no Hoare annotation was computed. [2020-12-03 12:39:22,534 INFO L262 CegarLoopResult]: For program point L23(line 23) no Hoare annotation was computed. [2020-12-03 12:39:22,534 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 25) no Hoare annotation was computed. [2020-12-03 12:39:22,541 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 26) no Hoare annotation was computed. [2020-12-03 12:39:22,541 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-03 12:39:22,541 INFO L262 CegarLoopResult]: For program point L26(line 26) no Hoare annotation was computed. [2020-12-03 12:39:22,541 INFO L262 CegarLoopResult]: For program point L26-1(line 26) no Hoare annotation was computed. [2020-12-03 12:39:22,541 INFO L262 CegarLoopResult]: For program point L26-2(line 26) no Hoare annotation was computed. [2020-12-03 12:39:22,543 INFO L258 CegarLoopResult]: At program point L26-4(lines 24 27) the Hoare annotation is: (and (<= 0 ULTIMATE.start_main_~x~0) (let ((.cse15 (select |#memory_int| |#t~string0.base|))) (let ((.cse0 (= |#t~string1.offset| 0)) (.cse1 (= (select |#length| |#t~string1.base|) 26)) (.cse2 (<= ULTIMATE.start_main_~x~0 ULTIMATE.start_main_~y~0)) (.cse3 (= |#NULL.base| 0)) (.cse4 (= (select .cse15 |#t~string0.offset|) 48)) (.cse5 (= (select .cse15 (+ |#t~string0.offset| 1)) 0)) (.cse6 (= (select |#valid| 0) 0)) (.cse7 (= 2 (select |#length| |#t~string0.base|))) (.cse8 (< |#StackHeapBarrier| |#t~string0.base|)) (.cse9 (= (select |#valid| |#t~string0.base|) 1)) (.cse10 (< 0 |#StackHeapBarrier|)) (.cse11 (< |#StackHeapBarrier| |#t~string1.base|)) (.cse12 (= |#NULL.offset| 0)) (.cse13 (= (select |#valid| |#t~string1.base|) 1)) (.cse14 (= |#t~string0.offset| 0))) (or (and .cse0 .cse1 .cse2 (< ULTIMATE.start_main_~y~0 ULTIMATE.start_main_~n~0) .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (<= 1 ULTIMATE.start_main_~x~0) .cse7 (< ULTIMATE.start_main_~x~0 (+ ULTIMATE.start_main_~n~0 1)) (< ULTIMATE.start_main_~y~0 (+ ULTIMATE.start_main_~x~0 1)) .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14)))) (<= ULTIMATE.start_main_~n~0 2147483647)) [2020-12-03 12:39:22,594 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.12 12:39:22 BoogieIcfgContainer [2020-12-03 12:39:22,594 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-03 12:39:22,595 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-03 12:39:22,595 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-03 12:39:22,595 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-03 12:39:22,595 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:39:17" (3/4) ... [2020-12-03 12:39:22,598 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-03 12:39:22,607 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2020-12-03 12:39:22,608 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-03 12:39:22,608 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-03 12:39:22,608 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-03 12:39:22,666 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_f50a01c5-6395-469f-aec8-31e6e290c6fc/bin/utaipan/witness.graphml [2020-12-03 12:39:22,666 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-03 12:39:22,667 INFO L168 Benchmark]: Toolchain (without parser) took 5768.72 ms. Allocated memory was 115.3 MB in the beginning and 182.5 MB in the end (delta: 67.1 MB). Free memory was 90.5 MB in the beginning and 130.6 MB in the end (delta: -40.0 MB). Peak memory consumption was 28.6 MB. Max. memory is 16.1 GB. [2020-12-03 12:39:22,667 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 79.7 MB. Free memory is still 50.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-03 12:39:22,667 INFO L168 Benchmark]: CACSL2BoogieTranslator took 237.62 ms. Allocated memory is still 115.3 MB. Free memory was 90.2 MB in the beginning and 81.0 MB in the end (delta: 9.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-03 12:39:22,668 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.77 ms. Allocated memory is still 115.3 MB. Free memory was 80.7 MB in the beginning and 79.5 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-03 12:39:22,668 INFO L168 Benchmark]: Boogie Preprocessor took 37.74 ms. Allocated memory is still 115.3 MB. Free memory was 79.5 MB in the beginning and 78.5 MB in the end (delta: 966.9 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-03 12:39:22,669 INFO L168 Benchmark]: RCFGBuilder took 385.96 ms. Allocated memory is still 115.3 MB. Free memory was 78.5 MB in the beginning and 62.1 MB in the end (delta: 16.4 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2020-12-03 12:39:22,669 INFO L168 Benchmark]: TraceAbstraction took 4991.72 ms. Allocated memory was 115.3 MB in the beginning and 182.5 MB in the end (delta: 67.1 MB). Free memory was 61.8 MB in the beginning and 133.7 MB in the end (delta: -71.9 MB). Peak memory consumption was 53.9 MB. Max. memory is 16.1 GB. [2020-12-03 12:39:22,670 INFO L168 Benchmark]: Witness Printer took 71.32 ms. Allocated memory is still 182.5 MB. Free memory was 133.7 MB in the beginning and 130.6 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-03 12:39:22,672 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 79.7 MB. Free memory is still 50.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 237.62 ms. Allocated memory is still 115.3 MB. Free memory was 90.2 MB in the beginning and 81.0 MB in the end (delta: 9.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 37.77 ms. Allocated memory is still 115.3 MB. Free memory was 80.7 MB in the beginning and 79.5 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 37.74 ms. Allocated memory is still 115.3 MB. Free memory was 79.5 MB in the beginning and 78.5 MB in the end (delta: 966.9 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 385.96 ms. Allocated memory is still 115.3 MB. Free memory was 78.5 MB in the beginning and 62.1 MB in the end (delta: 16.4 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 4991.72 ms. Allocated memory was 115.3 MB in the beginning and 182.5 MB in the end (delta: 67.1 MB). Free memory was 61.8 MB in the beginning and 133.7 MB in the end (delta: -71.9 MB). Peak memory consumption was 53.9 MB. Max. memory is 16.1 GB. * Witness Printer took 71.32 ms. Allocated memory is still 182.5 MB. Free memory was 133.7 MB in the beginning and 130.6 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: 26]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 25]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 26]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 25]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: (0 <= x && (((((((((((((((("benchmark05_conjunctive.c" == 0 && unknown-#length-unknown["benchmark05_conjunctive.c"] == 26) && x <= y) && y < n) && #NULL == 0) && unknown-#memory_int-unknown["0"]["0"] == 48) && unknown-#memory_int-unknown["0"]["0" + 1] == 0) && \valid[0] == 0) && 2 == unknown-#length-unknown["0"]) && unknown-#StackHeapBarrier-unknown < "0") && \valid["0"] == 1) && 0 < unknown-#StackHeapBarrier-unknown) && unknown-#StackHeapBarrier-unknown < "benchmark05_conjunctive.c") && #NULL == 0) && \valid["benchmark05_conjunctive.c"] == 1) && "0" == 0) || ((((((((((((((((("benchmark05_conjunctive.c" == 0 && unknown-#length-unknown["benchmark05_conjunctive.c"] == 26) && x <= y) && #NULL == 0) && unknown-#memory_int-unknown["0"]["0"] == 48) && unknown-#memory_int-unknown["0"]["0" + 1] == 0) && \valid[0] == 0) && 1 <= x) && 2 == unknown-#length-unknown["0"]) && x < n + 1) && y < x + 1) && unknown-#StackHeapBarrier-unknown < "0") && \valid["0"] == 1) && 0 < unknown-#StackHeapBarrier-unknown) && unknown-#StackHeapBarrier-unknown < "benchmark05_conjunctive.c") && #NULL == 0) && \valid["benchmark05_conjunctive.c"] == 1) && "0" == 0))) && n <= 2147483647 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: n <= 2147483647 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 14 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.5s, OverallIterations: 5, TraceHistogramMax: 2, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 24 SDtfs, 71 SDslu, 27 SDs, 0 SdLazy, 87 SolverSat, 11 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 62 GetRequests, 24 SyntacticMatches, 5 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 2.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=15occurred in iteration=3, 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, 3 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 6 NumberOfFragments, 159 HoareAnnotationTreeSize, 2 FomulaSimplifications, 165 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 262 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 50 NumberOfCodeBlocks, 50 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 56 ConstructedInterpolants, 0 QuantifiedInterpolants, 2172 SizeOfPredicates, 6 NumberOfNonLiveVariables, 59 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 7 InterpolantComputations, 4 PerfectInterpolantSequences, 1/15 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: OVERALL_TIME[ms]: 669, ICFG_INTERPRETER_ENTERED_PROCEDURES: 1, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 9, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 18, TOOLS_POST_TIME[ms]: 272, TOOLS_POST_CALL_APPLICATIONS: 0, TOOLS_POST_CALL_TIME[ms]: 0, TOOLS_POST_RETURN_APPLICATIONS: 0, TOOLS_POST_RETURN_TIME[ms]: 0, TOOLS_QUANTIFIERELIM_APPLICATIONS: 18, TOOLS_QUANTIFIERELIM_TIME[ms]: 263, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 171, FLUID_QUERY_TIME[ms]: 3, FLUID_QUERIES: 31, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 3, DOMAIN_JOIN_TIME[ms]: 307, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 1, DOMAIN_ISSUBSETEQ_TIME[ms]: 5, DOMAIN_ISBOTTOM_APPLICATIONS: 9, DOMAIN_ISBOTTOM_TIME[ms]: 23, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 39, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 38, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 1, CALL_SUMMARIZER_APPLICATIONS: 0, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 0, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 3, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 14, DAG_COMPRESSION_PROCESSED_NODES: 103, DAG_COMPRESSION_RETAINED_NODES: 33, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...