./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/square_5+soft_float_2a.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f40dceb0-9438-43d1-9ceb-e85c578109e5/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f40dceb0-9438-43d1-9ceb-e85c578109e5/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f40dceb0-9438-43d1-9ceb-e85c578109e5/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f40dceb0-9438-43d1-9ceb-e85c578109e5/bin/utaipan-EQgc7hIp5V/config/TaipanReach.xml -i ../../sv-benchmarks/c/combinations/square_5+soft_float_2a.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f40dceb0-9438-43d1-9ceb-e85c578109e5/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f40dceb0-9438-43d1-9ceb-e85c578109e5/bin/utaipan-EQgc7hIp5V --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 022d3c5901739211c5eb00a5826c62b3632d6c52c21250401c080cec1ded6145 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 02:49:19,444 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 02:49:19,447 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 02:49:19,485 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 02:49:19,486 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 02:49:19,487 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 02:49:19,489 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 02:49:19,491 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 02:49:19,494 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 02:49:19,495 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 02:49:19,496 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 02:49:19,498 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 02:49:19,498 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 02:49:19,500 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 02:49:19,501 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 02:49:19,503 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 02:49:19,504 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 02:49:19,506 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 02:49:19,508 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 02:49:19,511 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 02:49:19,514 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 02:49:19,515 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 02:49:19,517 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 02:49:19,518 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 02:49:19,522 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 02:49:19,529 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 02:49:19,529 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 02:49:19,530 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 02:49:19,531 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 02:49:19,532 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 02:49:19,534 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 02:49:19,535 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 02:49:19,536 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 02:49:19,537 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 02:49:19,538 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 02:49:19,539 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 02:49:19,540 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 02:49:19,540 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 02:49:19,540 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 02:49:19,541 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 02:49:19,542 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 02:49:19,546 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f40dceb0-9438-43d1-9ceb-e85c578109e5/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-23 02:49:19,592 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 02:49:19,592 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 02:49:19,593 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 02:49:19,593 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 02:49:19,594 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 02:49:19,594 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 02:49:19,594 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 02:49:19,594 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 02:49:19,595 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 02:49:19,595 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 02:49:19,595 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 02:49:19,595 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 02:49:19,595 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 02:49:19,596 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 02:49:19,596 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 02:49:19,596 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 02:49:19,596 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 02:49:19,596 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 02:49:19,601 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 02:49:19,602 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 02:49:19,602 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 02:49:19,602 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 02:49:19,602 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 02:49:19,603 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 02:49:19,603 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 02:49:19,604 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 02:49:19,604 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 02:49:19,604 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 02:49:19,605 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 02:49:19,605 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 02:49:19,606 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 02:49:19,606 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 02:49:19,606 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:49:19,607 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 02:49:19,607 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 02:49:19,607 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 02:49:19,608 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 02:49:19,608 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 02:49:19,609 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 02:49:19,609 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 02:49:19,609 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 02:49:19,609 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_f40dceb0-9438-43d1-9ceb-e85c578109e5/bin/utaipan-EQgc7hIp5V/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f40dceb0-9438-43d1-9ceb-e85c578109e5/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 022d3c5901739211c5eb00a5826c62b3632d6c52c21250401c080cec1ded6145 [2021-11-23 02:49:19,870 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 02:49:19,890 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 02:49:19,892 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 02:49:19,894 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 02:49:19,895 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 02:49:19,896 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f40dceb0-9438-43d1-9ceb-e85c578109e5/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/combinations/square_5+soft_float_2a.c.cil.c [2021-11-23 02:49:20,013 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f40dceb0-9438-43d1-9ceb-e85c578109e5/bin/utaipan-EQgc7hIp5V/data/98d9a2935/de40e1578a9f46ecb20293897b929642/FLAGddb912190 [2021-11-23 02:49:20,557 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 02:49:20,557 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f40dceb0-9438-43d1-9ceb-e85c578109e5/sv-benchmarks/c/combinations/square_5+soft_float_2a.c.cil.c [2021-11-23 02:49:20,567 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f40dceb0-9438-43d1-9ceb-e85c578109e5/bin/utaipan-EQgc7hIp5V/data/98d9a2935/de40e1578a9f46ecb20293897b929642/FLAGddb912190 [2021-11-23 02:49:20,886 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f40dceb0-9438-43d1-9ceb-e85c578109e5/bin/utaipan-EQgc7hIp5V/data/98d9a2935/de40e1578a9f46ecb20293897b929642 [2021-11-23 02:49:20,889 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 02:49:20,890 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 02:49:20,906 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 02:49:20,906 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 02:49:20,913 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 02:49:20,914 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:49:20" (1/1) ... [2021-11-23 02:49:20,915 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a6aedb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:49:20, skipping insertion in model container [2021-11-23 02:49:20,916 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:49:20" (1/1) ... [2021-11-23 02:49:20,923 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 02:49:20,952 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 02:49:21,150 WARN L230 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_f40dceb0-9438-43d1-9ceb-e85c578109e5/sv-benchmarks/c/combinations/square_5+soft_float_2a.c.cil.c[1998,2011] [2021-11-23 02:49:21,156 WARN L230 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_f40dceb0-9438-43d1-9ceb-e85c578109e5/sv-benchmarks/c/combinations/square_5+soft_float_2a.c.cil.c[2367,2380] [2021-11-23 02:49:21,196 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:49:21,204 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 02:49:21,240 WARN L230 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_f40dceb0-9438-43d1-9ceb-e85c578109e5/sv-benchmarks/c/combinations/square_5+soft_float_2a.c.cil.c[1998,2011] [2021-11-23 02:49:21,241 WARN L230 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_f40dceb0-9438-43d1-9ceb-e85c578109e5/sv-benchmarks/c/combinations/square_5+soft_float_2a.c.cil.c[2367,2380] [2021-11-23 02:49:21,294 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:49:21,326 INFO L208 MainTranslator]: Completed translation [2021-11-23 02:49:21,326 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:49:21 WrapperNode [2021-11-23 02:49:21,327 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 02:49:21,329 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 02:49:21,329 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 02:49:21,329 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 02:49:21,338 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:49:21" (1/1) ... [2021-11-23 02:49:21,365 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:49:21" (1/1) ... [2021-11-23 02:49:21,405 INFO L137 Inliner]: procedures = 27, calls = 17, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 133 [2021-11-23 02:49:21,406 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 02:49:21,407 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 02:49:21,407 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 02:49:21,407 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 02:49:21,417 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:49:21" (1/1) ... [2021-11-23 02:49:21,417 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:49:21" (1/1) ... [2021-11-23 02:49:21,431 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:49:21" (1/1) ... [2021-11-23 02:49:21,432 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:49:21" (1/1) ... [2021-11-23 02:49:21,438 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:49:21" (1/1) ... [2021-11-23 02:49:21,444 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:49:21" (1/1) ... [2021-11-23 02:49:21,458 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:49:21" (1/1) ... [2021-11-23 02:49:21,461 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 02:49:21,462 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 02:49:21,462 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 02:49:21,462 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 02:49:21,476 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:49:21" (1/1) ... [2021-11-23 02:49:21,488 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:49:21,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f40dceb0-9438-43d1-9ceb-e85c578109e5/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:49:21,515 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f40dceb0-9438-43d1-9ceb-e85c578109e5/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 02:49:21,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f40dceb0-9438-43d1-9ceb-e85c578109e5/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 02:49:21,568 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 02:49:21,568 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2021-11-23 02:49:21,569 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2021-11-23 02:49:21,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 02:49:21,569 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 02:49:21,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 02:49:21,569 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 02:49:21,569 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 02:49:21,651 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 02:49:21,653 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 02:49:21,978 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 02:49:22,058 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 02:49:22,059 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-23 02:49:22,061 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:49:22 BoogieIcfgContainer [2021-11-23 02:49:22,062 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 02:49:22,064 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 02:49:22,064 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 02:49:22,067 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 02:49:22,068 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:49:20" (1/3) ... [2021-11-23 02:49:22,068 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@730590a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:49:22, skipping insertion in model container [2021-11-23 02:49:22,069 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:49:21" (2/3) ... [2021-11-23 02:49:22,069 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@730590a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:49:22, skipping insertion in model container [2021-11-23 02:49:22,069 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:49:22" (3/3) ... [2021-11-23 02:49:22,071 INFO L111 eAbstractionObserver]: Analyzing ICFG square_5+soft_float_2a.c.cil.c [2021-11-23 02:49:22,084 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 02:49:22,084 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-23 02:49:22,133 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 02:49:22,141 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-23 02:49:22,141 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-23 02:49:22,176 INFO L276 IsEmpty]: Start isEmpty. Operand has 45 states, 35 states have (on average 1.5714285714285714) internal successors, (55), 38 states have internal predecessors, (55), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-11-23 02:49:22,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 02:49:22,181 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:49:22,182 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-11-23 02:49:22,182 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:49:22,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:49:22,190 INFO L85 PathProgramCache]: Analyzing trace with hash 7146571, now seen corresponding path program 1 times [2021-11-23 02:49:22,201 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:49:22,202 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909725132] [2021-11-23 02:49:22,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:49:22,203 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:49:22,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 02:49:22,334 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 02:49:22,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 02:49:22,377 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-11-23 02:49:22,380 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-23 02:49:22,382 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2021-11-23 02:49:22,384 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2021-11-23 02:49:22,385 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-23 02:49:22,391 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2021-11-23 02:49:22,395 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-23 02:49:22,419 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 02:49:22 BoogieIcfgContainer [2021-11-23 02:49:22,419 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-23 02:49:22,420 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 02:49:22,420 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 02:49:22,420 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 02:49:22,421 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:49:22" (3/4) ... [2021-11-23 02:49:22,425 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-23 02:49:22,425 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 02:49:22,427 INFO L158 Benchmark]: Toolchain (without parser) took 1535.83ms. Allocated memory was 104.9MB in the beginning and 125.8MB in the end (delta: 21.0MB). Free memory was 69.7MB in the beginning and 93.6MB in the end (delta: -23.9MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 02:49:22,427 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 104.9MB. Free memory is still 57.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 02:49:22,428 INFO L158 Benchmark]: CACSL2BoogieTranslator took 421.44ms. Allocated memory is still 104.9MB. Free memory was 69.5MB in the beginning and 76.3MB in the end (delta: -6.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 02:49:22,429 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.15ms. Allocated memory is still 104.9MB. Free memory was 76.3MB in the beginning and 74.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 02:49:22,430 INFO L158 Benchmark]: Boogie Preprocessor took 54.62ms. Allocated memory is still 104.9MB. Free memory was 74.3MB in the beginning and 72.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 02:49:22,431 INFO L158 Benchmark]: RCFGBuilder took 599.65ms. Allocated memory is still 104.9MB. Free memory was 72.9MB in the beginning and 56.5MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-11-23 02:49:22,432 INFO L158 Benchmark]: TraceAbstraction took 355.37ms. Allocated memory was 104.9MB in the beginning and 125.8MB in the end (delta: 21.0MB). Free memory was 56.1MB in the beginning and 94.2MB in the end (delta: -38.2MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 02:49:22,433 INFO L158 Benchmark]: Witness Printer took 5.50ms. Allocated memory is still 125.8MB. Free memory was 94.2MB in the beginning and 93.6MB in the end (delta: 628.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 02:49:22,438 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 104.9MB. Free memory is still 57.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 421.44ms. Allocated memory is still 104.9MB. Free memory was 69.5MB in the beginning and 76.3MB in the end (delta: -6.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.15ms. Allocated memory is still 104.9MB. Free memory was 76.3MB in the beginning and 74.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.62ms. Allocated memory is still 104.9MB. Free memory was 74.3MB in the beginning and 72.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 599.65ms. Allocated memory is still 104.9MB. Free memory was 72.9MB in the beginning and 56.5MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 355.37ms. Allocated memory was 104.9MB in the beginning and 125.8MB in the end (delta: 21.0MB). Free memory was 56.1MB in the beginning and 94.2MB in the end (delta: -38.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.50ms. Allocated memory is still 125.8MB. Free memory was 94.2MB in the beginning and 93.6MB in the end (delta: 628.1kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 48]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 47, overapproximation of someBinaryArithmeticFLOAToperation at line 45. Possible FailurePath: [L322] COND TRUE __VERIFIER_nondet_int() [L323] CALL main1() [L39] float IN = __VERIFIER_nondet_float(); [L40] CALL assume_abort_if_not(IN >= 0.0f && IN < 1.0f) [L34] COND FALSE !(!cond) [L40] RET assume_abort_if_not(IN >= 0.0f && IN < 1.0f) [L42] float x = IN; [L44-L45] float result = 1.0f + 0.5f*x - 0.125f*x*x + 0.0625f*x*x*x - 0.0390625f*x*x*x*x; VAL [IN=49, x=49] [L47] COND TRUE !(result >= 0.0f && result < 1.3985f) VAL [IN=49, x=49] [L48] reach_error() VAL [IN=49, x=49] - UnprovableResult [Line: 60]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 45 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=45occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 could not prove your program: unable to determine feasibility of some traces [2021-11-23 02:49:22,501 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f40dceb0-9438-43d1-9ceb-e85c578109e5/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f40dceb0-9438-43d1-9ceb-e85c578109e5/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f40dceb0-9438-43d1-9ceb-e85c578109e5/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f40dceb0-9438-43d1-9ceb-e85c578109e5/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f40dceb0-9438-43d1-9ceb-e85c578109e5/bin/utaipan-EQgc7hIp5V/config/TaipanReach.xml -i ../../sv-benchmarks/c/combinations/square_5+soft_float_2a.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f40dceb0-9438-43d1-9ceb-e85c578109e5/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f40dceb0-9438-43d1-9ceb-e85c578109e5/bin/utaipan-EQgc7hIp5V --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 022d3c5901739211c5eb00a5826c62b3632d6c52c21250401c080cec1ded6145 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 02:49:25,036 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 02:49:25,039 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 02:49:25,094 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 02:49:25,095 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 02:49:25,100 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 02:49:25,102 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 02:49:25,106 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 02:49:25,109 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 02:49:25,117 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 02:49:25,118 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 02:49:25,120 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 02:49:25,121 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 02:49:25,123 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 02:49:25,126 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 02:49:25,130 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 02:49:25,132 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 02:49:25,133 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 02:49:25,135 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 02:49:25,143 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 02:49:25,145 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 02:49:25,146 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 02:49:25,148 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 02:49:25,151 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 02:49:25,160 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 02:49:25,160 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 02:49:25,161 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 02:49:25,163 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 02:49:25,163 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 02:49:25,164 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 02:49:25,165 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 02:49:25,166 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 02:49:25,168 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 02:49:25,169 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 02:49:25,170 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 02:49:25,171 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 02:49:25,172 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 02:49:25,172 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 02:49:25,187 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 02:49:25,189 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 02:49:25,190 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 02:49:25,191 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f40dceb0-9438-43d1-9ceb-e85c578109e5/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-23 02:49:25,235 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 02:49:25,235 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 02:49:25,236 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 02:49:25,237 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 02:49:25,238 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 02:49:25,238 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 02:49:25,238 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 02:49:25,239 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 02:49:25,239 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 02:49:25,239 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 02:49:25,240 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 02:49:25,241 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 02:49:25,242 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 02:49:25,242 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 02:49:25,243 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 02:49:25,243 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 02:49:25,243 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 02:49:25,244 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 02:49:25,244 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 02:49:25,244 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 02:49:25,244 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 02:49:25,245 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 02:49:25,245 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 02:49:25,245 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 02:49:25,245 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 02:49:25,246 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 02:49:25,246 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 02:49:25,246 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 02:49:25,247 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 02:49:25,247 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:49:25,247 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 02:49:25,248 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 02:49:25,248 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 02:49:25,249 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 02:49:25,249 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 02:49:25,249 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 02:49:25,249 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 02:49:25,250 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 02:49:25,250 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_f40dceb0-9438-43d1-9ceb-e85c578109e5/bin/utaipan-EQgc7hIp5V/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f40dceb0-9438-43d1-9ceb-e85c578109e5/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 022d3c5901739211c5eb00a5826c62b3632d6c52c21250401c080cec1ded6145 [2021-11-23 02:49:25,679 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 02:49:25,706 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 02:49:25,709 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 02:49:25,710 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 02:49:25,711 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 02:49:25,712 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f40dceb0-9438-43d1-9ceb-e85c578109e5/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/combinations/square_5+soft_float_2a.c.cil.c [2021-11-23 02:49:25,778 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f40dceb0-9438-43d1-9ceb-e85c578109e5/bin/utaipan-EQgc7hIp5V/data/f7b65b044/9a99768d92774900b390632e4104900f/FLAG5b4923f07 [2021-11-23 02:49:26,316 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 02:49:26,316 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f40dceb0-9438-43d1-9ceb-e85c578109e5/sv-benchmarks/c/combinations/square_5+soft_float_2a.c.cil.c [2021-11-23 02:49:26,330 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f40dceb0-9438-43d1-9ceb-e85c578109e5/bin/utaipan-EQgc7hIp5V/data/f7b65b044/9a99768d92774900b390632e4104900f/FLAG5b4923f07 [2021-11-23 02:49:26,655 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f40dceb0-9438-43d1-9ceb-e85c578109e5/bin/utaipan-EQgc7hIp5V/data/f7b65b044/9a99768d92774900b390632e4104900f [2021-11-23 02:49:26,658 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 02:49:26,659 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 02:49:26,672 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 02:49:26,672 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 02:49:26,676 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 02:49:26,677 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:49:26" (1/1) ... [2021-11-23 02:49:26,679 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@497307b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:49:26, skipping insertion in model container [2021-11-23 02:49:26,679 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:49:26" (1/1) ... [2021-11-23 02:49:26,687 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 02:49:26,742 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 02:49:26,905 WARN L230 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_f40dceb0-9438-43d1-9ceb-e85c578109e5/sv-benchmarks/c/combinations/square_5+soft_float_2a.c.cil.c[1998,2011] [2021-11-23 02:49:26,909 WARN L230 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_f40dceb0-9438-43d1-9ceb-e85c578109e5/sv-benchmarks/c/combinations/square_5+soft_float_2a.c.cil.c[2367,2380] [2021-11-23 02:49:26,999 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:49:27,033 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 02:49:27,049 WARN L230 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_f40dceb0-9438-43d1-9ceb-e85c578109e5/sv-benchmarks/c/combinations/square_5+soft_float_2a.c.cil.c[1998,2011] [2021-11-23 02:49:27,050 WARN L230 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_f40dceb0-9438-43d1-9ceb-e85c578109e5/sv-benchmarks/c/combinations/square_5+soft_float_2a.c.cil.c[2367,2380] [2021-11-23 02:49:27,078 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:49:27,096 INFO L208 MainTranslator]: Completed translation [2021-11-23 02:49:27,099 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:49:27 WrapperNode [2021-11-23 02:49:27,099 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 02:49:27,101 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 02:49:27,101 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 02:49:27,101 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 02:49:27,108 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:49:27" (1/1) ... [2021-11-23 02:49:27,120 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:49:27" (1/1) ... [2021-11-23 02:49:27,146 INFO L137 Inliner]: procedures = 28, calls = 17, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 129 [2021-11-23 02:49:27,146 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 02:49:27,147 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 02:49:27,147 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 02:49:27,148 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 02:49:27,156 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:49:27" (1/1) ... [2021-11-23 02:49:27,157 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:49:27" (1/1) ... [2021-11-23 02:49:27,162 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:49:27" (1/1) ... [2021-11-23 02:49:27,162 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:49:27" (1/1) ... [2021-11-23 02:49:27,173 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:49:27" (1/1) ... [2021-11-23 02:49:27,178 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:49:27" (1/1) ... [2021-11-23 02:49:27,181 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:49:27" (1/1) ... [2021-11-23 02:49:27,186 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 02:49:27,187 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 02:49:27,187 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 02:49:27,187 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 02:49:27,188 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:49:27" (1/1) ... [2021-11-23 02:49:27,197 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:49:27,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f40dceb0-9438-43d1-9ceb-e85c578109e5/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:49:27,223 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f40dceb0-9438-43d1-9ceb-e85c578109e5/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 02:49:27,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f40dceb0-9438-43d1-9ceb-e85c578109e5/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 02:49:27,283 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 02:49:27,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 02:49:27,284 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2021-11-23 02:49:27,284 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2021-11-23 02:49:27,284 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 02:49:27,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 02:49:27,285 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 02:49:27,285 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 02:49:27,366 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 02:49:27,368 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 02:49:29,886 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 02:49:29,895 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 02:49:29,896 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-23 02:49:29,901 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:49:29 BoogieIcfgContainer [2021-11-23 02:49:29,901 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 02:49:29,902 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 02:49:29,903 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 02:49:29,906 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 02:49:29,906 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:49:26" (1/3) ... [2021-11-23 02:49:29,906 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c7f7825 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:49:29, skipping insertion in model container [2021-11-23 02:49:29,907 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:49:27" (2/3) ... [2021-11-23 02:49:29,907 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c7f7825 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:49:29, skipping insertion in model container [2021-11-23 02:49:29,907 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:49:29" (3/3) ... [2021-11-23 02:49:29,909 INFO L111 eAbstractionObserver]: Analyzing ICFG square_5+soft_float_2a.c.cil.c [2021-11-23 02:49:29,932 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 02:49:29,932 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-23 02:49:29,973 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 02:49:29,979 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-23 02:49:29,979 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-23 02:49:29,996 INFO L276 IsEmpty]: Start isEmpty. Operand has 61 states, 51 states have (on average 1.5490196078431373) internal successors, (79), 54 states have internal predecessors, (79), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-11-23 02:49:29,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 02:49:29,999 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:49:30,000 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:49:30,001 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:49:30,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:49:30,006 INFO L85 PathProgramCache]: Analyzing trace with hash -548115930, now seen corresponding path program 1 times [2021-11-23 02:49:30,018 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 02:49:30,019 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2145889773] [2021-11-23 02:49:30,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:49:30,020 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 02:49:30,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f40dceb0-9438-43d1-9ceb-e85c578109e5/bin/utaipan-EQgc7hIp5V/mathsat [2021-11-23 02:49:30,025 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f40dceb0-9438-43d1-9ceb-e85c578109e5/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 02:49:30,030 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f40dceb0-9438-43d1-9ceb-e85c578109e5/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-23 02:49:30,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:49:30,734 INFO L263 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-23 02:49:30,737 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:49:30,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:49:30,793 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 02:49:30,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:49:30,827 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 02:49:30,828 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2145889773] [2021-11-23 02:49:30,829 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2145889773] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-23 02:49:30,830 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:49:30,830 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-23 02:49:30,832 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [598756543] [2021-11-23 02:49:30,833 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-23 02:49:30,837 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-23 02:49:30,838 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 02:49:30,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-23 02:49:30,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-23 02:49:30,883 INFO L87 Difference]: Start difference. First operand has 61 states, 51 states have (on average 1.5490196078431373) internal successors, (79), 54 states have internal predecessors, (79), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:49:30,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:49:30,926 INFO L93 Difference]: Finished difference Result 117 states and 175 transitions. [2021-11-23 02:49:30,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 02:49:30,928 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2021-11-23 02:49:30,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:49:30,939 INFO L225 Difference]: With dead ends: 117 [2021-11-23 02:49:30,939 INFO L226 Difference]: Without dead ends: 52 [2021-11-23 02:49:30,957 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-23 02:49:30,967 INFO L933 BasicCegarLoop]: 82 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 82 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 02:49:30,969 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 02:49:30,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2021-11-23 02:49:31,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2021-11-23 02:49:31,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 44 states have (on average 1.4090909090909092) internal successors, (62), 45 states have internal predecessors, (62), 5 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-11-23 02:49:31,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 71 transitions. [2021-11-23 02:49:31,028 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 71 transitions. Word has length 7 [2021-11-23 02:49:31,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:49:31,029 INFO L470 AbstractCegarLoop]: Abstraction has 52 states and 71 transitions. [2021-11-23 02:49:31,029 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:49:31,030 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 71 transitions. [2021-11-23 02:49:31,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 02:49:31,031 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:49:31,031 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:49:31,049 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f40dceb0-9438-43d1-9ceb-e85c578109e5/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-11-23 02:49:31,233 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f40dceb0-9438-43d1-9ceb-e85c578109e5/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 [2021-11-23 02:49:31,233 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:49:31,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:49:31,235 INFO L85 PathProgramCache]: Analyzing trace with hash -548056348, now seen corresponding path program 1 times [2021-11-23 02:49:31,236 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 02:49:31,236 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [545827250] [2021-11-23 02:49:31,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:49:31,236 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 02:49:31,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f40dceb0-9438-43d1-9ceb-e85c578109e5/bin/utaipan-EQgc7hIp5V/mathsat [2021-11-23 02:49:31,238 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f40dceb0-9438-43d1-9ceb-e85c578109e5/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 02:49:31,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f40dceb0-9438-43d1-9ceb-e85c578109e5/bin/utaipan-EQgc7hIp5V/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-23 03:01:21,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:01:22,279 INFO L263 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 03:01:22,281 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 03:01:37,348 WARN L838 $PredicateComparison]: unable to prove that (and (exists ((|ULTIMATE.start_main1_~IN~0#1| (_ FloatingPoint 8 24))) (let ((.cse0 ((_ to_fp 8 24) c_currentRoundingMode 1.0))) (and (fp.geq |ULTIMATE.start_main1_~IN~0#1| (_ +zero 8 24)) (fp.lt |ULTIMATE.start_main1_~IN~0#1| .cse0) (= |c_ULTIMATE.start_main1_~result~0#1| (fp.sub c_currentRoundingMode (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode (fp.add c_currentRoundingMode .cse0 (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 2.0)) |ULTIMATE.start_main1_~IN~0#1|)) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 8.0)) |ULTIMATE.start_main1_~IN~0#1|) |ULTIMATE.start_main1_~IN~0#1|)) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 16.0)) |ULTIMATE.start_main1_~IN~0#1|) |ULTIMATE.start_main1_~IN~0#1|) |ULTIMATE.start_main1_~IN~0#1|)) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 5.0 128.0)) |ULTIMATE.start_main1_~IN~0#1|) |ULTIMATE.start_main1_~IN~0#1|) |ULTIMATE.start_main1_~IN~0#1|) |ULTIMATE.start_main1_~IN~0#1|)))))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false [2021-11-23 03:02:26,965 WARN L838 $PredicateComparison]: unable to prove that (exists ((|ULTIMATE.start_main1_~IN~0#1| (_ FloatingPoint 8 24))) (let ((.cse1 ((_ to_fp 8 24) roundNearestTiesToEven 1.0))) (and (fp.geq |ULTIMATE.start_main1_~IN~0#1| (_ +zero 8 24)) (let ((.cse0 (fp.sub roundNearestTiesToEven (fp.add roundNearestTiesToEven (fp.sub roundNearestTiesToEven (fp.add roundNearestTiesToEven .cse1 (fp.mul roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 2.0)) |ULTIMATE.start_main1_~IN~0#1|)) (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 8.0)) |ULTIMATE.start_main1_~IN~0#1|) |ULTIMATE.start_main1_~IN~0#1|)) (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 16.0)) |ULTIMATE.start_main1_~IN~0#1|) |ULTIMATE.start_main1_~IN~0#1|) |ULTIMATE.start_main1_~IN~0#1|)) (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 5.0 128.0)) |ULTIMATE.start_main1_~IN~0#1|) |ULTIMATE.start_main1_~IN~0#1|) |ULTIMATE.start_main1_~IN~0#1|) |ULTIMATE.start_main1_~IN~0#1|)))) (or (not (fp.lt .cse0 ((_ to_fp 8 24) roundNearestTiesToEven (/ 2797.0 2000.0)))) (not (fp.geq .cse0 (_ +zero 8 24))))) (fp.lt |ULTIMATE.start_main1_~IN~0#1| .cse1)))) is different from false [2021-11-23 03:02:29,012 WARN L860 $PredicateComparison]: unable to prove that (exists ((|ULTIMATE.start_main1_~IN~0#1| (_ FloatingPoint 8 24))) (let ((.cse1 ((_ to_fp 8 24) roundNearestTiesToEven 1.0))) (and (fp.geq |ULTIMATE.start_main1_~IN~0#1| (_ +zero 8 24)) (let ((.cse0 (fp.sub roundNearestTiesToEven (fp.add roundNearestTiesToEven (fp.sub roundNearestTiesToEven (fp.add roundNearestTiesToEven .cse1 (fp.mul roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 2.0)) |ULTIMATE.start_main1_~IN~0#1|)) (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 8.0)) |ULTIMATE.start_main1_~IN~0#1|) |ULTIMATE.start_main1_~IN~0#1|)) (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 16.0)) |ULTIMATE.start_main1_~IN~0#1|) |ULTIMATE.start_main1_~IN~0#1|) |ULTIMATE.start_main1_~IN~0#1|)) (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 5.0 128.0)) |ULTIMATE.start_main1_~IN~0#1|) |ULTIMATE.start_main1_~IN~0#1|) |ULTIMATE.start_main1_~IN~0#1|) |ULTIMATE.start_main1_~IN~0#1|)))) (or (not (fp.lt .cse0 ((_ to_fp 8 24) roundNearestTiesToEven (/ 2797.0 2000.0)))) (not (fp.geq .cse0 (_ +zero 8 24))))) (fp.lt |ULTIMATE.start_main1_~IN~0#1| .cse1)))) is different from true [2021-11-23 03:02:29,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:02:29,013 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 03:02:39,622 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (fp.sub c_currentRoundingMode (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode (fp.add c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode 1.0) (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 2.0)) |c_ULTIMATE.start_main1_~IN~0#1|)) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 8.0)) |c_ULTIMATE.start_main1_~IN~0#1|) |c_ULTIMATE.start_main1_~IN~0#1|)) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 16.0)) |c_ULTIMATE.start_main1_~IN~0#1|) |c_ULTIMATE.start_main1_~IN~0#1|) |c_ULTIMATE.start_main1_~IN~0#1|)) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 5.0 128.0)) |c_ULTIMATE.start_main1_~IN~0#1|) |c_ULTIMATE.start_main1_~IN~0#1|) |c_ULTIMATE.start_main1_~IN~0#1|) |c_ULTIMATE.start_main1_~IN~0#1|)))) (and (fp.lt .cse0 ((_ to_fp 8 24) c_currentRoundingMode (/ 2797.0 2000.0))) (fp.geq .cse0 (_ +zero 8 24)))) is different from false [2021-11-23 03:02:41,691 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse0 (fp.sub c_currentRoundingMode (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode (fp.add c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode 1.0) (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 2.0)) |c_ULTIMATE.start_main1_~IN~0#1|)) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 8.0)) |c_ULTIMATE.start_main1_~IN~0#1|) |c_ULTIMATE.start_main1_~IN~0#1|)) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 16.0)) |c_ULTIMATE.start_main1_~IN~0#1|) |c_ULTIMATE.start_main1_~IN~0#1|) |c_ULTIMATE.start_main1_~IN~0#1|)) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 5.0 128.0)) |c_ULTIMATE.start_main1_~IN~0#1|) |c_ULTIMATE.start_main1_~IN~0#1|) |c_ULTIMATE.start_main1_~IN~0#1|) |c_ULTIMATE.start_main1_~IN~0#1|)))) (and (fp.lt .cse0 ((_ to_fp 8 24) c_currentRoundingMode (/ 2797.0 2000.0))) (fp.geq .cse0 (_ +zero 8 24)))) is different from true [2021-11-23 03:02:56,420 WARN L838 $PredicateComparison]: unable to prove that (or (= |c_ULTIMATE.start_assume_abort_if_not_~cond#1| (_ bv0 32)) (let ((.cse0 (fp.sub c_currentRoundingMode (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode (fp.add c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode 1.0) (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 2.0)) |c_ULTIMATE.start_main1_~IN~0#1|)) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 8.0)) |c_ULTIMATE.start_main1_~IN~0#1|) |c_ULTIMATE.start_main1_~IN~0#1|)) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 16.0)) |c_ULTIMATE.start_main1_~IN~0#1|) |c_ULTIMATE.start_main1_~IN~0#1|) |c_ULTIMATE.start_main1_~IN~0#1|)) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 5.0 128.0)) |c_ULTIMATE.start_main1_~IN~0#1|) |c_ULTIMATE.start_main1_~IN~0#1|) |c_ULTIMATE.start_main1_~IN~0#1|) |c_ULTIMATE.start_main1_~IN~0#1|)))) (and (fp.lt .cse0 ((_ to_fp 8 24) c_currentRoundingMode (/ 2797.0 2000.0))) (fp.geq .cse0 (_ +zero 8 24))))) is different from false [2021-11-23 03:02:58,486 WARN L860 $PredicateComparison]: unable to prove that (or (= |c_ULTIMATE.start_assume_abort_if_not_~cond#1| (_ bv0 32)) (let ((.cse0 (fp.sub c_currentRoundingMode (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode (fp.add c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode 1.0) (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 2.0)) |c_ULTIMATE.start_main1_~IN~0#1|)) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 8.0)) |c_ULTIMATE.start_main1_~IN~0#1|) |c_ULTIMATE.start_main1_~IN~0#1|)) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 16.0)) |c_ULTIMATE.start_main1_~IN~0#1|) |c_ULTIMATE.start_main1_~IN~0#1|) |c_ULTIMATE.start_main1_~IN~0#1|)) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 5.0 128.0)) |c_ULTIMATE.start_main1_~IN~0#1|) |c_ULTIMATE.start_main1_~IN~0#1|) |c_ULTIMATE.start_main1_~IN~0#1|) |c_ULTIMATE.start_main1_~IN~0#1|)))) (and (fp.lt .cse0 ((_ to_fp 8 24) c_currentRoundingMode (/ 2797.0 2000.0))) (fp.geq .cse0 (_ +zero 8 24))))) is different from true [2021-11-23 03:03:42,655 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main1_~IN~0#1_4| (_ FloatingPoint 8 24))) (let ((.cse0 ((_ to_fp 8 24) c_currentRoundingMode 1.0))) (or (not (fp.lt |v_ULTIMATE.start_main1_~IN~0#1_4| .cse0)) (not (fp.geq |v_ULTIMATE.start_main1_~IN~0#1_4| (_ +zero 8 24))) (let ((.cse1 (fp.sub c_currentRoundingMode (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode (fp.add c_currentRoundingMode .cse0 (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 2.0)) |v_ULTIMATE.start_main1_~IN~0#1_4|)) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 8.0)) |v_ULTIMATE.start_main1_~IN~0#1_4|) |v_ULTIMATE.start_main1_~IN~0#1_4|)) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 16.0)) |v_ULTIMATE.start_main1_~IN~0#1_4|) |v_ULTIMATE.start_main1_~IN~0#1_4|) |v_ULTIMATE.start_main1_~IN~0#1_4|)) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 5.0 128.0)) |v_ULTIMATE.start_main1_~IN~0#1_4|) |v_ULTIMATE.start_main1_~IN~0#1_4|) |v_ULTIMATE.start_main1_~IN~0#1_4|) |v_ULTIMATE.start_main1_~IN~0#1_4|)))) (and (fp.lt .cse1 ((_ to_fp 8 24) c_currentRoundingMode (/ 2797.0 2000.0))) (fp.geq .cse1 (_ +zero 8 24))))))) is different from false [2021-11-23 03:03:44,723 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main1_~IN~0#1_4| (_ FloatingPoint 8 24))) (let ((.cse0 ((_ to_fp 8 24) c_currentRoundingMode 1.0))) (or (not (fp.lt |v_ULTIMATE.start_main1_~IN~0#1_4| .cse0)) (not (fp.geq |v_ULTIMATE.start_main1_~IN~0#1_4| (_ +zero 8 24))) (let ((.cse1 (fp.sub c_currentRoundingMode (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode (fp.add c_currentRoundingMode .cse0 (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 2.0)) |v_ULTIMATE.start_main1_~IN~0#1_4|)) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 8.0)) |v_ULTIMATE.start_main1_~IN~0#1_4|) |v_ULTIMATE.start_main1_~IN~0#1_4|)) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 16.0)) |v_ULTIMATE.start_main1_~IN~0#1_4|) |v_ULTIMATE.start_main1_~IN~0#1_4|) |v_ULTIMATE.start_main1_~IN~0#1_4|)) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 5.0 128.0)) |v_ULTIMATE.start_main1_~IN~0#1_4|) |v_ULTIMATE.start_main1_~IN~0#1_4|) |v_ULTIMATE.start_main1_~IN~0#1_4|) |v_ULTIMATE.start_main1_~IN~0#1_4|)))) (and (fp.lt .cse1 ((_ to_fp 8 24) c_currentRoundingMode (/ 2797.0 2000.0))) (fp.geq .cse1 (_ +zero 8 24))))))) is different from true