./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-industry-pattern/mod3.c.v+cfa-reducer.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_4680e6c1-2abf-499d-bd8b-e9be4541bdd9/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4680e6c1-2abf-499d-bd8b-e9be4541bdd9/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4680e6c1-2abf-499d-bd8b-e9be4541bdd9/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4680e6c1-2abf-499d-bd8b-e9be4541bdd9/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/loop-industry-pattern/mod3.c.v+cfa-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4680e6c1-2abf-499d-bd8b-e9be4541bdd9/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4680e6c1-2abf-499d-bd8b-e9be4541bdd9/bin/utaipan-WLngWcDbfI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 98bd002f385acfbdc1d8e1dd1ff5f46b18e1e56e ......................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:29:41,717 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:29:41,719 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:29:41,759 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:29:41,760 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:29:41,764 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:29:41,766 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:29:41,772 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:29:41,775 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:29:41,781 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:29:41,783 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:29:41,784 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:29:41,785 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:29:41,788 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:29:41,790 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:29:41,792 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:29:41,794 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:29:41,798 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:29:41,800 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:29:41,809 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:29:41,811 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:29:41,812 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:29:41,816 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:29:41,817 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:29:41,826 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:29:41,827 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:29:41,828 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:29:41,830 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:29:41,831 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:29:41,832 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:29:41,833 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:29:41,834 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:29:41,836 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:29:41,838 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:29:41,840 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:29:41,840 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:29:41,841 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:29:41,842 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:29:41,842 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:29:41,843 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:29:41,844 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:29:41,847 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4680e6c1-2abf-499d-bd8b-e9be4541bdd9/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-11 02:29:41,899 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:29:41,899 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:29:41,901 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:29:41,901 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:29:41,901 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:29:41,902 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:29:41,902 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:29:41,902 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:29:41,908 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:29:41,909 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:29:41,910 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:29:41,910 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:29:41,911 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:29:41,911 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:29:41,911 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:29:41,912 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:29:41,912 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:29:41,912 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:29:41,913 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:29:41,913 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:29:41,913 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:29:41,913 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:29:41,914 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:29:41,914 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:29:41,914 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:29:41,914 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:29:41,914 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:29:41,915 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:29:41,915 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:29:41,917 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:29:41,917 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:29:41,917 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:29:41,918 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:29:41,918 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:29:41,918 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:29:41,918 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:29:41,919 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:29:41,919 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:29:41,919 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:29:41,919 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4680e6c1-2abf-499d-bd8b-e9be4541bdd9/bin/utaipan-WLngWcDbfI/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4680e6c1-2abf-499d-bd8b-e9be4541bdd9/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 98bd002f385acfbdc1d8e1dd1ff5f46b18e1e56e [2021-10-11 02:29:42,212 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:29:42,240 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:29:42,242 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:29:42,243 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:29:42,246 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:29:42,247 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4680e6c1-2abf-499d-bd8b-e9be4541bdd9/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/loop-industry-pattern/mod3.c.v+cfa-reducer.c [2021-10-11 02:29:42,334 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4680e6c1-2abf-499d-bd8b-e9be4541bdd9/bin/utaipan-WLngWcDbfI/data/c073ac497/495d89b73a61485bac805e06614180dc/FLAG61bc98079 [2021-10-11 02:29:42,893 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:29:42,893 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4680e6c1-2abf-499d-bd8b-e9be4541bdd9/sv-benchmarks/c/loop-industry-pattern/mod3.c.v+cfa-reducer.c [2021-10-11 02:29:42,904 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4680e6c1-2abf-499d-bd8b-e9be4541bdd9/bin/utaipan-WLngWcDbfI/data/c073ac497/495d89b73a61485bac805e06614180dc/FLAG61bc98079 [2021-10-11 02:29:43,242 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4680e6c1-2abf-499d-bd8b-e9be4541bdd9/bin/utaipan-WLngWcDbfI/data/c073ac497/495d89b73a61485bac805e06614180dc [2021-10-11 02:29:43,245 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:29:43,249 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:29:43,251 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:29:43,251 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:29:43,270 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:29:43,271 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:29:43" (1/1) ... [2021-10-11 02:29:43,273 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54c931d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:43, skipping insertion in model container [2021-10-11 02:29:43,274 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:29:43" (1/1) ... [2021-10-11 02:29:43,282 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:29:43,304 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:29:43,484 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_4680e6c1-2abf-499d-bd8b-e9be4541bdd9/sv-benchmarks/c/loop-industry-pattern/mod3.c.v+cfa-reducer.c[1224,1237] [2021-10-11 02:29:43,489 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:29:43,497 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:29:43,514 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_4680e6c1-2abf-499d-bd8b-e9be4541bdd9/sv-benchmarks/c/loop-industry-pattern/mod3.c.v+cfa-reducer.c[1224,1237] [2021-10-11 02:29:43,516 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:29:43,529 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:29:43,530 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:43 WrapperNode [2021-10-11 02:29:43,530 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:29:43,531 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:29:43,531 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:29:43,531 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:29:43,539 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:43" (1/1) ... [2021-10-11 02:29:43,545 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:43" (1/1) ... [2021-10-11 02:29:43,562 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:29:43,563 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:29:43,563 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:29:43,563 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:29:43,571 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:43" (1/1) ... [2021-10-11 02:29:43,571 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:43" (1/1) ... [2021-10-11 02:29:43,573 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:43" (1/1) ... [2021-10-11 02:29:43,573 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:43" (1/1) ... [2021-10-11 02:29:43,576 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:43" (1/1) ... [2021-10-11 02:29:43,578 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:43" (1/1) ... [2021-10-11 02:29:43,579 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:43" (1/1) ... [2021-10-11 02:29:43,581 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:29:43,582 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:29:43,582 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:29:43,582 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:29:43,583 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:43" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4680e6c1-2abf-499d-bd8b-e9be4541bdd9/bin/utaipan-WLngWcDbfI/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:29:43,680 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:29:43,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:29:43,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-11 02:29:43,681 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:29:44,156 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:29:44,156 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-10-11 02:29:44,158 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:29:44 BoogieIcfgContainer [2021-10-11 02:29:44,159 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:29:44,160 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:29:44,160 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:29:44,168 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:29:44,168 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:29:43" (1/3) ... [2021-10-11 02:29:44,169 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67339b57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:29:44, skipping insertion in model container [2021-10-11 02:29:44,169 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:43" (2/3) ... [2021-10-11 02:29:44,170 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67339b57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:29:44, skipping insertion in model container [2021-10-11 02:29:44,170 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:29:44" (3/3) ... [2021-10-11 02:29:44,171 INFO L111 eAbstractionObserver]: Analyzing ICFG mod3.c.v+cfa-reducer.c [2021-10-11 02:29:44,198 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:29:44,201 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-10-11 02:29:44,211 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-11 02:29:44,253 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:29:44,254 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:29:44,254 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:29:44,254 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:29:44,254 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:29:44,255 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:29:44,255 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:29:44,255 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:29:44,268 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states. [2021-10-11 02:29:44,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-11 02:29:44,273 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:29:44,274 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-10-11 02:29:44,274 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:29:44,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:29:44,281 INFO L82 PathProgramCache]: Analyzing trace with hash 2065765632, now seen corresponding path program 1 times [2021-10-11 02:29:44,289 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:29:44,290 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1345589389] [2021-10-11 02:29:44,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:29:44,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:29:44,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:29:44,526 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1345589389] [2021-10-11 02:29:44,528 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:29:44,528 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:29:44,529 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911709522] [2021-10-11 02:29:44,534 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:29:44,535 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-11 02:29:44,549 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:29:44,550 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:29:44,552 INFO L87 Difference]: Start difference. First operand 9 states. Second operand 3 states. [2021-10-11 02:29:44,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:29:44,600 INFO L93 Difference]: Finished difference Result 19 states and 22 transitions. [2021-10-11 02:29:44,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:29:44,603 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2021-10-11 02:29:44,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:29:44,621 INFO L225 Difference]: With dead ends: 19 [2021-10-11 02:29:44,625 INFO L226 Difference]: Without dead ends: 9 [2021-10-11 02:29:44,628 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:29:44,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2021-10-11 02:29:44,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2021-10-11 02:29:44,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-10-11 02:29:44,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2021-10-11 02:29:44,658 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 6 [2021-10-11 02:29:44,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:29:44,659 INFO L481 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2021-10-11 02:29:44,659 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:29:44,659 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2021-10-11 02:29:44,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-11 02:29:44,660 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:29:44,660 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2021-10-11 02:29:44,660 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-11 02:29:44,661 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:29:44,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:29:44,662 INFO L82 PathProgramCache]: Analyzing trace with hash 1562005972, now seen corresponding path program 1 times [2021-10-11 02:29:44,663 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:29:44,663 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174821501] [2021-10-11 02:29:44,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:29:44,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:29:45,038 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:29:45,038 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1174821501] [2021-10-11 02:29:45,039 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:29:45,039 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:29:45,039 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950575752] [2021-10-11 02:29:45,040 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 02:29:45,041 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-11 02:29:45,041 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 02:29:45,042 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 02:29:45,042 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand 4 states. [2021-10-11 02:29:45,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:29:45,078 INFO L93 Difference]: Finished difference Result 9 states and 9 transitions. [2021-10-11 02:29:45,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 02:29:45,079 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2021-10-11 02:29:45,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:29:45,079 INFO L225 Difference]: With dead ends: 9 [2021-10-11 02:29:45,079 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 02:29:45,080 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:29:45,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 02:29:45,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 02:29:45,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 02:29:45,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 02:29:45,081 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 8 [2021-10-11 02:29:45,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:29:45,082 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 02:29:45,082 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 02:29:45,082 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 02:29:45,082 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 02:29:45,083 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-11 02:29:45,084 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 02:29:45,107 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 02:29:45,107 INFO L262 CegarLoopResult]: For program point L54(lines 54 76) no Hoare annotation was computed. [2021-10-11 02:29:45,107 INFO L265 CegarLoopResult]: At program point L75(lines 9 78) the Hoare annotation is: true [2021-10-11 02:29:45,108 INFO L262 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2021-10-11 02:29:45,108 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 02:29:45,108 INFO L262 CegarLoopResult]: For program point L61(lines 61 70) no Hoare annotation was computed. [2021-10-11 02:29:45,108 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 63) no Hoare annotation was computed. [2021-10-11 02:29:45,108 INFO L262 CegarLoopResult]: For program point L16(lines 16 77) no Hoare annotation was computed. [2021-10-11 02:29:45,109 INFO L258 CegarLoopResult]: At program point L47(lines 10 78) the Hoare annotation is: (or (<= ULTIMATE.start_main_~main__x~0 (let ((.cse2 (div ULTIMATE.start_main_~main__x~0 4294967296))) (let ((.cse0 (* .cse2 (- 4294967296)))) (let ((.cse1 (div (+ ULTIMATE.start_main_~main__x~0 .cse0) 3))) (+ (* 4294967296 (div (+ ULTIMATE.start_main_~main__x~0 .cse0 (* .cse1 (- 3))) 4294967296)) (* 4294967296 .cse2) (* 3 .cse1)))))) (= ULTIMATE.start_main_~main__y~0 1)) [2021-10-11 02:29:45,125 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:29:45 BoogieIcfgContainer [2021-10-11 02:29:45,125 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:29:45,125 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:29:45,125 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:29:45,126 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:29:45,126 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:29:44" (3/4) ... [2021-10-11 02:29:45,129 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 02:29:45,138 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-11 02:29:45,138 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-11 02:29:45,138 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:29:45,138 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:29:45,179 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4680e6c1-2abf-499d-bd8b-e9be4541bdd9/bin/utaipan-WLngWcDbfI/witness.graphml [2021-10-11 02:29:45,179 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:29:45,181 INFO L168 Benchmark]: Toolchain (without parser) took 1930.51 ms. Allocated memory was 83.9 MB in the beginning and 100.7 MB in the end (delta: 16.8 MB). Free memory was 51.7 MB in the beginning and 64.1 MB in the end (delta: -12.4 MB). Peak memory consumption was 3.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:29:45,181 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 83.9 MB. Free memory is still 41.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:29:45,182 INFO L168 Benchmark]: CACSL2BoogieTranslator took 279.00 ms. Allocated memory is still 83.9 MB. Free memory was 51.6 MB in the beginning and 60.2 MB in the end (delta: -8.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:29:45,182 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.45 ms. Allocated memory is still 83.9 MB. Free memory was 60.2 MB in the beginning and 58.7 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:29:45,183 INFO L168 Benchmark]: Boogie Preprocessor took 18.36 ms. Allocated memory is still 83.9 MB. Free memory was 58.7 MB in the beginning and 57.6 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:29:45,184 INFO L168 Benchmark]: RCFGBuilder took 576.70 ms. Allocated memory is still 83.9 MB. Free memory was 57.6 MB in the beginning and 39.9 MB in the end (delta: 17.7 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2021-10-11 02:29:45,184 INFO L168 Benchmark]: TraceAbstraction took 964.73 ms. Allocated memory was 83.9 MB in the beginning and 100.7 MB in the end (delta: 16.8 MB). Free memory was 39.4 MB in the beginning and 66.9 MB in the end (delta: -27.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:29:45,185 INFO L168 Benchmark]: Witness Printer took 53.68 ms. Allocated memory is still 100.7 MB. Free memory was 66.9 MB in the beginning and 64.1 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:29:45,188 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 83.9 MB. Free memory is still 41.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 279.00 ms. Allocated memory is still 83.9 MB. Free memory was 51.6 MB in the beginning and 60.2 MB in the end (delta: -8.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 31.45 ms. Allocated memory is still 83.9 MB. Free memory was 60.2 MB in the beginning and 58.7 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 18.36 ms. Allocated memory is still 83.9 MB. Free memory was 58.7 MB in the beginning and 57.6 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 576.70 ms. Allocated memory is still 83.9 MB. Free memory was 57.6 MB in the beginning and 39.9 MB in the end (delta: 17.7 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 964.73 ms. Allocated memory was 83.9 MB in the beginning and 100.7 MB in the end (delta: 16.8 MB). Free memory was 39.4 MB in the beginning and 66.9 MB in the end (delta: -27.5 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 53.68 ms. Allocated memory is still 100.7 MB. Free memory was 66.9 MB in the beginning and 64.1 MB in the end (delta: 2.8 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: 63]: 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: 10]: Loop Invariant Derived loop invariant: main__x <= 4294967296 * ((main__x + main__x / 4294967296 * -4294967296 + (main__x + main__x / 4294967296 * -4294967296) / 3 * -3) / 4294967296) + 4294967296 * (main__x / 4294967296) + 3 * ((main__x + main__x / 4294967296 * -4294967296) / 3) || main__y == 1 - InvariantResult [Line: 9]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 9 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 2, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 12 SDtfs, 3 SDslu, 8 SDs, 0 SdLazy, 8 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 5 NumberOfFragments, 46 HoareAnnotationTreeSize, 2 FomulaSimplifications, 49 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 14 NumberOfCodeBlocks, 14 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 1049 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 2/2 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...