./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo1-ll_unwindbound2.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_591763d5-757c-4637-b360-b23a6e394f24/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591763d5-757c-4637-b360-b23a6e394f24/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_591763d5-757c-4637-b360-b23a6e394f24/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591763d5-757c-4637-b360-b23a6e394f24/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo1-ll_unwindbound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591763d5-757c-4637-b360-b23a6e394f24/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_591763d5-757c-4637-b360-b23a6e394f24/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 bfcb87506165fe9d4ace4a9d6c9f9c65aca11e5b ....................................................................................................................................................................................................................................................................................................... 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 02:23:47,948 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:23:47,951 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:23:47,999 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:23:48,000 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:23:48,005 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:23:48,007 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:23:48,012 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:23:48,014 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:23:48,020 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:23:48,021 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:23:48,023 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:23:48,023 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:23:48,027 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:23:48,028 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:23:48,030 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:23:48,032 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:23:48,036 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:23:48,039 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:23:48,047 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:23:48,049 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:23:48,050 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:23:48,054 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:23:48,055 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:23:48,064 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:23:48,065 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:23:48,065 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:23:48,067 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:23:48,068 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:23:48,070 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:23:48,070 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:23:48,071 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:23:48,074 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:23:48,075 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:23:48,077 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:23:48,077 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:23:48,078 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:23:48,078 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:23:48,079 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:23:48,080 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:23:48,081 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:23:48,083 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591763d5-757c-4637-b360-b23a6e394f24/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-11 02:23:48,125 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:23:48,126 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:23:48,127 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:23:48,128 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:23:48,128 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:23:48,128 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:23:48,129 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:23:48,129 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:23:48,129 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:23:48,129 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:23:48,130 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:23:48,131 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:23:48,131 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:23:48,131 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:23:48,132 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:23:48,133 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:23:48,133 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:23:48,133 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:23:48,134 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:23:48,134 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:23:48,134 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:23:48,134 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:23:48,135 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:23:48,135 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:23:48,135 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:23:48,135 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:23:48,136 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:23:48,136 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:23:48,136 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:23:48,136 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:23:48,137 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:23:48,137 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:23:48,137 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:23:48,138 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:23:48,138 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:23:48,138 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:23:48,138 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:23:48,138 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:23:48,139 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:23:48,139 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_591763d5-757c-4637-b360-b23a6e394f24/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591763d5-757c-4637-b360-b23a6e394f24/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bfcb87506165fe9d4ace4a9d6c9f9c65aca11e5b [2021-10-11 02:23:48,391 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:23:48,413 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:23:48,416 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:23:48,417 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:23:48,422 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:23:48,423 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591763d5-757c-4637-b360-b23a6e394f24/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/nla-digbench-scaling/geo1-ll_unwindbound2.c [2021-10-11 02:23:48,499 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591763d5-757c-4637-b360-b23a6e394f24/bin/utaipan-WLngWcDbfI/data/d6488d9d3/8f739cca75964b9db970b817b3d0cf6b/FLAGd6d354335 [2021-10-11 02:23:48,950 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:23:48,950 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591763d5-757c-4637-b360-b23a6e394f24/sv-benchmarks/c/nla-digbench-scaling/geo1-ll_unwindbound2.c [2021-10-11 02:23:48,956 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591763d5-757c-4637-b360-b23a6e394f24/bin/utaipan-WLngWcDbfI/data/d6488d9d3/8f739cca75964b9db970b817b3d0cf6b/FLAGd6d354335 [2021-10-11 02:23:49,357 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591763d5-757c-4637-b360-b23a6e394f24/bin/utaipan-WLngWcDbfI/data/d6488d9d3/8f739cca75964b9db970b817b3d0cf6b [2021-10-11 02:23:49,359 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:23:49,361 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:23:49,363 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:23:49,363 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:23:49,366 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:23:49,367 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:23:49" (1/1) ... [2021-10-11 02:23:49,369 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b727d37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:49, skipping insertion in model container [2021-10-11 02:23:49,369 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:23:49" (1/1) ... [2021-10-11 02:23:49,379 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:23:49,396 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:23:49,564 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_591763d5-757c-4637-b360-b23a6e394f24/sv-benchmarks/c/nla-digbench-scaling/geo1-ll_unwindbound2.c[546,559] [2021-10-11 02:23:49,577 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:23:49,586 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:23:49,599 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_591763d5-757c-4637-b360-b23a6e394f24/sv-benchmarks/c/nla-digbench-scaling/geo1-ll_unwindbound2.c[546,559] [2021-10-11 02:23:49,605 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:23:49,620 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:23:49,620 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:49 WrapperNode [2021-10-11 02:23:49,621 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:23:49,622 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:23:49,622 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:23:49,623 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:23:49,630 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:49" (1/1) ... [2021-10-11 02:23:49,637 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:49" (1/1) ... [2021-10-11 02:23:49,656 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:23:49,657 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:23:49,658 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:23:49,658 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:23:49,667 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:49" (1/1) ... [2021-10-11 02:23:49,667 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:49" (1/1) ... [2021-10-11 02:23:49,669 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:49" (1/1) ... [2021-10-11 02:23:49,669 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:49" (1/1) ... [2021-10-11 02:23:49,673 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:49" (1/1) ... [2021-10-11 02:23:49,677 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:49" (1/1) ... [2021-10-11 02:23:49,678 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:49" (1/1) ... [2021-10-11 02:23:49,680 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:23:49,681 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:23:49,681 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:23:49,681 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:23:49,682 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:49" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591763d5-757c-4637-b360-b23a6e394f24/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 02:23:49,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-11 02:23:49,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:23:49,754 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:23:49,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:23:50,071 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:23:50,071 INFO L299 CfgBuilder]: Removed 13 assume(true) statements. [2021-10-11 02:23:50,073 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:23:50 BoogieIcfgContainer [2021-10-11 02:23:50,073 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:23:50,075 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:23:50,075 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:23:50,089 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:23:50,089 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:23:49" (1/3) ... [2021-10-11 02:23:50,090 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d7f4cf7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:23:50, skipping insertion in model container [2021-10-11 02:23:50,091 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:23:49" (2/3) ... [2021-10-11 02:23:50,091 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d7f4cf7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:23:50, skipping insertion in model container [2021-10-11 02:23:50,091 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:23:50" (3/3) ... [2021-10-11 02:23:50,093 INFO L111 eAbstractionObserver]: Analyzing ICFG geo1-ll_unwindbound2.c [2021-10-11 02:23:50,120 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:23:50,123 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-10-11 02:23:50,150 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-10-11 02:23:50,176 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:23:50,176 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:23:50,176 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:23:50,176 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:23:50,176 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:23:50,177 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:23:50,177 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:23:50,177 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:23:50,201 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states. [2021-10-11 02:23:50,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-11 02:23:50,206 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:23:50,206 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-10-11 02:23:50,207 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:23:50,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:23:50,213 INFO L82 PathProgramCache]: Analyzing trace with hash 92080106, now seen corresponding path program 1 times [2021-10-11 02:23:50,223 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:23:50,224 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363873619] [2021-10-11 02:23:50,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:23:50,329 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-10-11 02:23:50,330 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [795448213] [2021-10-11 02:23:50,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591763d5-757c-4637-b360-b23a6e394f24/bin/utaipan-WLngWcDbfI/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 02:23:50,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:23:50,401 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 15 conjunts are in the unsatisfiable core [2021-10-11 02:23:50,416 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:23:50,541 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 02:23:50,542 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:23:50,574 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 02:23:50,575 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [363873619] [2021-10-11 02:23:50,575 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-10-11 02:23:50,576 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [795448213] [2021-10-11 02:23:50,576 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:23:50,577 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2021-10-11 02:23:50,578 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855343429] [2021-10-11 02:23:50,582 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-10-11 02:23:50,582 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-11 02:23:50,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-11 02:23:50,596 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-11 02:23:50,598 INFO L87 Difference]: Start difference. First operand 13 states. Second operand 6 states. [2021-10-11 02:23:50,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:23:50,684 INFO L93 Difference]: Finished difference Result 27 states and 39 transitions. [2021-10-11 02:23:50,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 02:23:50,686 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 5 [2021-10-11 02:23:50,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:23:50,692 INFO L225 Difference]: With dead ends: 27 [2021-10-11 02:23:50,693 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 02:23:50,696 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-10-11 02:23:50,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 02:23:50,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 02:23:50,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 02:23:50,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 02:23:50,722 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 5 [2021-10-11 02:23:50,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:23:50,722 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 02:23:50,722 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-10-11 02:23:50,722 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 02:23:50,723 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 02:23:50,925 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-10-11 02:23:50,927 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 02:23:51,008 INFO L258 CegarLoopResult]: At program point L35-3(lines 35 45) the Hoare annotation is: (or (and (= ULTIMATE.start_main_~x~0 1) (= ULTIMATE.start_main_~z~0 ULTIMATE.start_main_~y~0)) (and (= 1 ULTIMATE.start___VERIFIER_assert_~cond) (= (+ (* ULTIMATE.start_main_~z~0 ULTIMATE.start_main_~x~0) 1) (+ ULTIMATE.start_main_~y~0 ULTIMATE.start_main_~x~0)))) [2021-10-11 02:23:51,008 INFO L262 CegarLoopResult]: For program point L35-4(lines 35 45) no Hoare annotation was computed. [2021-10-11 02:23:51,009 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 18) no Hoare annotation was computed. [2021-10-11 02:23:51,009 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 02:23:51,009 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 18) no Hoare annotation was computed. [2021-10-11 02:23:51,009 INFO L262 CegarLoopResult]: For program point L16(lines 16 19) no Hoare annotation was computed. [2021-10-11 02:23:51,010 INFO L258 CegarLoopResult]: At program point L16-2(lines 38 39) the Hoare annotation is: (and (= (+ (* ULTIMATE.start_main_~z~0 ULTIMATE.start_main_~x~0) 1) (+ ULTIMATE.start_main_~x~0 ULTIMATE.start_main_~y~0)) (= 1 ULTIMATE.start___VERIFIER_assert_~cond)) [2021-10-11 02:23:51,010 INFO L262 CegarLoopResult]: For program point L16-3(lines 16 19) no Hoare annotation was computed. [2021-10-11 02:23:51,010 INFO L258 CegarLoopResult]: At program point L16-5(lines 15 21) the Hoare annotation is: (= 1 ULTIMATE.start___VERIFIER_assert_~cond) [2021-10-11 02:23:51,010 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 02:23:51,010 INFO L262 CegarLoopResult]: For program point L17(lines 17 18) no Hoare annotation was computed. [2021-10-11 02:23:51,011 INFO L262 CegarLoopResult]: For program point L17-1(lines 17 18) no Hoare annotation was computed. [2021-10-11 02:23:51,011 INFO L262 CegarLoopResult]: For program point L35-1(lines 35 45) no Hoare annotation was computed. [2021-10-11 02:23:51,035 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:23:51 BoogieIcfgContainer [2021-10-11 02:23:51,035 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:23:51,037 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:23:51,037 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:23:51,038 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:23:51,039 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:23:50" (3/4) ... [2021-10-11 02:23:51,043 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 02:23:51,061 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2021-10-11 02:23:51,061 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2021-10-11 02:23:51,061 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-11 02:23:51,062 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:23:51,140 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_591763d5-757c-4637-b360-b23a6e394f24/bin/utaipan-WLngWcDbfI/witness.graphml [2021-10-11 02:23:51,141 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:23:51,142 INFO L168 Benchmark]: Toolchain (without parser) took 1780.38 ms. Allocated memory was 94.4 MB in the beginning and 115.3 MB in the end (delta: 21.0 MB). Free memory was 63.5 MB in the beginning and 90.2 MB in the end (delta: -26.6 MB). Peak memory consumption was 28.3 MB. Max. memory is 16.1 GB. [2021-10-11 02:23:51,143 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 94.4 MB. Free memory is still 48.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:23:51,143 INFO L168 Benchmark]: CACSL2BoogieTranslator took 258.66 ms. Allocated memory is still 94.4 MB. Free memory was 63.3 MB in the beginning and 70.9 MB in the end (delta: -7.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:23:51,144 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.76 ms. Allocated memory is still 94.4 MB. Free memory was 70.9 MB in the beginning and 69.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:23:51,144 INFO L168 Benchmark]: Boogie Preprocessor took 22.87 ms. Allocated memory is still 94.4 MB. Free memory was 69.2 MB in the beginning and 68.2 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:23:51,145 INFO L168 Benchmark]: RCFGBuilder took 392.59 ms. Allocated memory is still 94.4 MB. Free memory was 68.2 MB in the beginning and 49.3 MB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2021-10-11 02:23:51,146 INFO L168 Benchmark]: TraceAbstraction took 960.57 ms. Allocated memory was 94.4 MB in the beginning and 115.3 MB in the end (delta: 21.0 MB). Free memory was 48.9 MB in the beginning and 58.0 MB in the end (delta: -9.1 MB). Peak memory consumption was 12.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:23:51,146 INFO L168 Benchmark]: Witness Printer took 104.11 ms. Allocated memory is still 115.3 MB. Free memory was 58.0 MB in the beginning and 90.2 MB in the end (delta: -32.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:23:51,149 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 94.4 MB. Free memory is still 48.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 258.66 ms. Allocated memory is still 94.4 MB. Free memory was 63.3 MB in the beginning and 70.9 MB in the end (delta: -7.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 34.76 ms. Allocated memory is still 94.4 MB. Free memory was 70.9 MB in the beginning and 69.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 22.87 ms. Allocated memory is still 94.4 MB. Free memory was 69.2 MB in the beginning and 68.2 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 392.59 ms. Allocated memory is still 94.4 MB. Free memory was 68.2 MB in the beginning and 49.3 MB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 960.57 ms. Allocated memory was 94.4 MB in the beginning and 115.3 MB in the end (delta: 21.0 MB). Free memory was 48.9 MB in the beginning and 58.0 MB in the end (delta: -9.1 MB). Peak memory consumption was 12.5 MB. Max. memory is 16.1 GB. * Witness Printer took 104.11 ms. Allocated memory is still 115.3 MB. Free memory was 58.0 MB in the beginning and 90.2 MB in the end (delta: -32.2 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: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 18]: 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 2 specifications checked. All of them hold - InvariantResult [Line: 35]: Loop Invariant Derived loop invariant: (x == 1 && z == y) || (1 == cond && z * x + 1 == y + x) - InvariantResult [Line: 15]: Loop Invariant Derived loop invariant: 1 == cond - InvariantResult [Line: 38]: Loop Invariant Derived loop invariant: z * x + 1 == x + y && 1 == cond - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 13 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.7s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 7 SDtfs, 23 SDslu, 8 SDs, 0 SdLazy, 16 SolverSat, 13 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=13occurred 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 8 NumberOfFragments, 37 HoareAnnotationTreeSize, 3 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 11 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 164 SizeOfPredicates, 7 NumberOfNonLiveVariables, 61 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...