./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0320b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d222d02b-da48-4766-9d3a-e0472e9c282f/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d222d02b-da48-4766-9d3a-e0472e9c282f/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d222d02b-da48-4766-9d3a-e0472e9c282f/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d222d02b-da48-4766-9d3a-e0472e9c282f/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0320b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d222d02b-da48-4766-9d3a-e0472e9c282f/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d222d02b-da48-4766-9d3a-e0472e9c282f/bin/utaipan-TEXQjIfE4P --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 95eb8e0e40012a8615a9537769628c64af20a86f83775a8e40d95f7e14e978d1 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 01:29:28,468 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 01:29:28,472 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 01:29:28,538 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 01:29:28,539 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 01:29:28,544 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 01:29:28,546 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 01:29:28,551 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 01:29:28,554 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 01:29:28,561 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 01:29:28,562 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 01:29:28,565 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 01:29:28,565 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 01:29:28,568 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 01:29:28,571 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 01:29:28,581 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 01:29:28,583 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 01:29:28,584 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 01:29:28,588 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 01:29:28,597 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 01:29:28,600 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 01:29:28,601 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 01:29:28,605 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 01:29:28,606 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 01:29:28,617 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 01:29:28,618 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 01:29:28,618 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 01:29:28,621 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 01:29:28,622 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 01:29:28,623 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 01:29:28,624 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 01:29:28,625 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 01:29:28,628 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 01:29:28,629 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 01:29:28,631 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 01:29:28,632 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 01:29:28,633 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 01:29:28,633 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 01:29:28,633 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 01:29:28,635 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 01:29:28,635 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 01:29:28,637 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d222d02b-da48-4766-9d3a-e0472e9c282f/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-21 01:29:28,693 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 01:29:28,694 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 01:29:28,702 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-21 01:29:28,703 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-21 01:29:28,704 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 01:29:28,704 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-21 01:29:28,704 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-21 01:29:28,705 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-21 01:29:28,705 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-21 01:29:28,705 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-21 01:29:28,707 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-21 01:29:28,707 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-21 01:29:28,707 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-21 01:29:28,708 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-21 01:29:28,708 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-21 01:29:28,708 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-21 01:29:28,708 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-21 01:29:28,709 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-21 01:29:28,711 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 01:29:28,711 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 01:29:28,711 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 01:29:28,712 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 01:29:28,712 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 01:29:28,712 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 01:29:28,712 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 01:29:28,713 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 01:29:28,715 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 01:29:28,716 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 01:29:28,716 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 01:29:28,716 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 01:29:28,717 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 01:29:28,717 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-21 01:29:28,717 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 01:29:28,718 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 01:29:28,718 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 01:29:28,718 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 01:29:28,719 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-21 01:29:28,719 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 01:29:28,719 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 01:29:28,719 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-21 01:29:28,720 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-21 01:29:28,720 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_d222d02b-da48-4766-9d3a-e0472e9c282f/bin/utaipan-TEXQjIfE4P/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d222d02b-da48-4766-9d3a-e0472e9c282f/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 95eb8e0e40012a8615a9537769628c64af20a86f83775a8e40d95f7e14e978d1 [2021-11-21 01:29:29,097 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 01:29:29,131 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 01:29:29,134 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 01:29:29,136 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 01:29:29,137 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 01:29:29,138 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d222d02b-da48-4766-9d3a-e0472e9c282f/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/float-newlib/float_req_bl_0320b.c [2021-11-21 01:29:29,238 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d222d02b-da48-4766-9d3a-e0472e9c282f/bin/utaipan-TEXQjIfE4P/data/ffc17fb2e/4e1f21efcaac49089ee05309fbd729a9/FLAGdb6684a61 [2021-11-21 01:29:29,928 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 01:29:29,934 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d222d02b-da48-4766-9d3a-e0472e9c282f/sv-benchmarks/c/float-newlib/float_req_bl_0320b.c [2021-11-21 01:29:29,953 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d222d02b-da48-4766-9d3a-e0472e9c282f/bin/utaipan-TEXQjIfE4P/data/ffc17fb2e/4e1f21efcaac49089ee05309fbd729a9/FLAGdb6684a61 [2021-11-21 01:29:30,179 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d222d02b-da48-4766-9d3a-e0472e9c282f/bin/utaipan-TEXQjIfE4P/data/ffc17fb2e/4e1f21efcaac49089ee05309fbd729a9 [2021-11-21 01:29:30,182 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 01:29:30,183 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 01:29:30,186 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 01:29:30,186 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 01:29:30,202 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 01:29:30,203 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:29:30" (1/1) ... [2021-11-21 01:29:30,206 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@224b0328 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:29:30, skipping insertion in model container [2021-11-21 01:29:30,207 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:29:30" (1/1) ... [2021-11-21 01:29:30,216 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 01:29:30,294 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 01:29:30,712 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_d222d02b-da48-4766-9d3a-e0472e9c282f/sv-benchmarks/c/float-newlib/float_req_bl_0320b.c[15471,15484] [2021-11-21 01:29:30,715 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 01:29:30,771 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 01:29:30,912 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_d222d02b-da48-4766-9d3a-e0472e9c282f/sv-benchmarks/c/float-newlib/float_req_bl_0320b.c[15471,15484] [2021-11-21 01:29:30,913 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 01:29:30,957 INFO L208 MainTranslator]: Completed translation [2021-11-21 01:29:30,958 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:29:30 WrapperNode [2021-11-21 01:29:30,958 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 01:29:30,959 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 01:29:30,959 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 01:29:30,959 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 01:29:30,968 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:29:30" (1/1) ... [2021-11-21 01:29:31,005 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:29:30" (1/1) ... [2021-11-21 01:29:31,092 INFO L137 Inliner]: procedures = 26, calls = 490, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 1117 [2021-11-21 01:29:31,093 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 01:29:31,093 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 01:29:31,094 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 01:29:31,094 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 01:29:31,104 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:29:30" (1/1) ... [2021-11-21 01:29:31,104 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:29:30" (1/1) ... [2021-11-21 01:29:31,120 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:29:30" (1/1) ... [2021-11-21 01:29:31,120 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:29:30" (1/1) ... [2021-11-21 01:29:31,173 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:29:30" (1/1) ... [2021-11-21 01:29:31,231 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:29:30" (1/1) ... [2021-11-21 01:29:31,237 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:29:30" (1/1) ... [2021-11-21 01:29:31,274 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 01:29:31,274 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 01:29:31,275 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 01:29:31,275 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 01:29:31,276 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:29:30" (1/1) ... [2021-11-21 01:29:31,308 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 01:29:31,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d222d02b-da48-4766-9d3a-e0472e9c282f/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:29:31,336 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d222d02b-da48-4766-9d3a-e0472e9c282f/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-21 01:29:31,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d222d02b-da48-4766-9d3a-e0472e9c282f/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-21 01:29:31,400 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_cosf [2021-11-21 01:29:31,400 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_cosf [2021-11-21 01:29:31,400 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 01:29:31,401 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 01:29:31,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-11-21 01:29:31,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 01:29:31,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-11-21 01:29:31,401 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_sinf [2021-11-21 01:29:31,402 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_sinf [2021-11-21 01:29:31,402 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_float [2021-11-21 01:29:31,402 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_float [2021-11-21 01:29:31,402 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 01:29:31,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2021-11-21 01:29:31,402 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_float [2021-11-21 01:29:31,403 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_float [2021-11-21 01:29:31,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 01:29:31,403 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 01:29:31,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 01:29:31,403 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 01:29:31,583 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 01:29:31,585 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 01:29:32,831 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 01:29:33,118 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 01:29:33,118 INFO L301 CfgBuilder]: Removed 59 assume(true) statements. [2021-11-21 01:29:33,122 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:29:33 BoogieIcfgContainer [2021-11-21 01:29:33,123 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 01:29:33,124 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-21 01:29:33,125 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-21 01:29:33,129 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-21 01:29:33,129 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 01:29:30" (1/3) ... [2021-11-21 01:29:33,130 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61ab43cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:29:33, skipping insertion in model container [2021-11-21 01:29:33,130 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:29:30" (2/3) ... [2021-11-21 01:29:33,130 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61ab43cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:29:33, skipping insertion in model container [2021-11-21 01:29:33,131 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:29:33" (3/3) ... [2021-11-21 01:29:33,132 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0320b.c [2021-11-21 01:29:33,140 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-21 01:29:33,141 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-21 01:29:33,206 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-21 01:29:33,213 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 [2021-11-21 01:29:33,213 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-21 01:29:33,236 INFO L276 IsEmpty]: Start isEmpty. Operand has 168 states, 150 states have (on average 1.68) internal successors, (252), 151 states have internal predecessors, (252), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2021-11-21 01:29:33,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-21 01:29:33,240 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:29:33,240 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:29:33,241 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:29:33,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:29:33,246 INFO L85 PathProgramCache]: Analyzing trace with hash 230419572, now seen corresponding path program 1 times [2021-11-21 01:29:33,253 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:29:33,254 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2136974743] [2021-11-21 01:29:33,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:29:33,255 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:29:33,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:29:33,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:29:33,546 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:29:33,546 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2136974743] [2021-11-21 01:29:33,547 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2136974743] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:29:33,547 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:29:33,547 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 01:29:33,549 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001536940] [2021-11-21 01:29:33,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:29:33,554 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-21 01:29:33,554 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:29:33,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-21 01:29:33,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-21 01:29:33,584 INFO L87 Difference]: Start difference. First operand has 168 states, 150 states have (on average 1.68) internal successors, (252), 151 states have internal predecessors, (252), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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) [2021-11-21 01:29:33,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:29:33,791 INFO L93 Difference]: Finished difference Result 335 states and 563 transitions. [2021-11-21 01:29:33,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-21 01:29:33,794 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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 8 [2021-11-21 01:29:33,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:29:33,804 INFO L225 Difference]: With dead ends: 335 [2021-11-21 01:29:33,805 INFO L226 Difference]: Without dead ends: 166 [2021-11-21 01:29:33,811 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-21 01:29:33,814 INFO L933 BasicCegarLoop]: 183 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 183 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-21 01:29:33,816 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 183 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-21 01:29:33,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2021-11-21 01:29:33,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 166. [2021-11-21 01:29:33,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 149 states have (on average 1.395973154362416) internal successors, (208), 149 states have internal predecessors, (208), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2021-11-21 01:29:33,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 232 transitions. [2021-11-21 01:29:33,871 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 232 transitions. Word has length 8 [2021-11-21 01:29:33,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:29:33,872 INFO L470 AbstractCegarLoop]: Abstraction has 166 states and 232 transitions. [2021-11-21 01:29:33,872 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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) [2021-11-21 01:29:33,872 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 232 transitions. [2021-11-21 01:29:33,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-21 01:29:33,873 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:29:33,873 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:29:33,873 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-21 01:29:33,874 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:29:33,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:29:33,874 INFO L85 PathProgramCache]: Analyzing trace with hash -1128696876, now seen corresponding path program 1 times [2021-11-21 01:29:33,875 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:29:33,875 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081480718] [2021-11-21 01:29:33,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:29:33,875 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:29:33,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-21 01:29:33,982 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-21 01:29:34,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-21 01:29:34,134 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-11-21 01:29:34,134 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-21 01:29:34,136 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-21 01:29:34,138 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-21 01:29:34,141 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2021-11-21 01:29:34,144 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-21 01:29:34,205 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 01:29:34 BoogieIcfgContainer [2021-11-21 01:29:34,205 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-21 01:29:34,206 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-21 01:29:34,207 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-21 01:29:34,207 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-21 01:29:34,212 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:29:33" (3/4) ... [2021-11-21 01:29:34,215 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-21 01:29:34,215 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-21 01:29:34,217 INFO L158 Benchmark]: Toolchain (without parser) took 4032.54ms. Allocated memory was 81.8MB in the beginning and 159.4MB in the end (delta: 77.6MB). Free memory was 46.3MB in the beginning and 90.9MB in the end (delta: -44.6MB). Peak memory consumption was 32.1MB. Max. memory is 16.1GB. [2021-11-21 01:29:34,218 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 81.8MB. Free memory was 52.0MB in the beginning and 51.9MB in the end (delta: 27.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 01:29:34,224 INFO L158 Benchmark]: CACSL2BoogieTranslator took 772.56ms. Allocated memory was 81.8MB in the beginning and 117.4MB in the end (delta: 35.7MB). Free memory was 46.2MB in the beginning and 76.5MB in the end (delta: -30.3MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. [2021-11-21 01:29:34,226 INFO L158 Benchmark]: Boogie Procedure Inliner took 133.85ms. Allocated memory is still 117.4MB. Free memory was 76.5MB in the beginning and 69.5MB in the end (delta: 7.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-21 01:29:34,226 INFO L158 Benchmark]: Boogie Preprocessor took 180.42ms. Allocated memory is still 117.4MB. Free memory was 69.5MB in the beginning and 90.6MB in the end (delta: -21.1MB). Peak memory consumption was 14.3MB. Max. memory is 16.1GB. [2021-11-21 01:29:34,227 INFO L158 Benchmark]: RCFGBuilder took 1848.25ms. Allocated memory was 117.4MB in the beginning and 159.4MB in the end (delta: 41.9MB). Free memory was 90.6MB in the beginning and 105.8MB in the end (delta: -15.1MB). Peak memory consumption was 40.8MB. Max. memory is 16.1GB. [2021-11-21 01:29:34,230 INFO L158 Benchmark]: TraceAbstraction took 1081.07ms. Allocated memory is still 159.4MB. Free memory was 105.8MB in the beginning and 90.9MB in the end (delta: 14.8MB). Peak memory consumption was 15.4MB. Max. memory is 16.1GB. [2021-11-21 01:29:34,231 INFO L158 Benchmark]: Witness Printer took 9.09ms. Allocated memory is still 159.4MB. Free memory is still 90.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 01:29:34,234 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 81.8MB. Free memory was 52.0MB in the beginning and 51.9MB in the end (delta: 27.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 772.56ms. Allocated memory was 81.8MB in the beginning and 117.4MB in the end (delta: 35.7MB). Free memory was 46.2MB in the beginning and 76.5MB in the end (delta: -30.3MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 133.85ms. Allocated memory is still 117.4MB. Free memory was 76.5MB in the beginning and 69.5MB in the end (delta: 7.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 180.42ms. Allocated memory is still 117.4MB. Free memory was 69.5MB in the beginning and 90.6MB in the end (delta: -21.1MB). Peak memory consumption was 14.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1848.25ms. Allocated memory was 117.4MB in the beginning and 159.4MB in the end (delta: 41.9MB). Free memory was 90.6MB in the beginning and 105.8MB in the end (delta: -15.1MB). Peak memory consumption was 40.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1081.07ms. Allocated memory is still 159.4MB. Free memory was 105.8MB in the beginning and 90.9MB in the end (delta: 14.8MB). Peak memory consumption was 15.4MB. Max. memory is 16.1GB. * Witness Printer took 9.09ms. Allocated memory is still 159.4MB. Free memory is still 90.9MB. 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: 613]: 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 612, overapproximation of someUnaryDOUBLEoperation at line 500, overapproximation of bitwiseAnd at line 579, overapproximation of someUnaryFLOAToperation at line 608, overapproximation of someBinaryArithmeticFLOAToperation at line 584. Possible FailurePath: [L18] static const float huge_floor = 1.0e30; [L86-L88] static const float two25_scalbn = 3.355443200e+07, twom25_scalbn = 2.9802322388e-08, huge_scalbn = 1.0e+30, tiny_scalbn = 1.0e-30; [L158] static const int init_jk_krempio[] = {4, 7, 9}; [L160-L164] static const float PIo2_krempio[] = { 1.5703125000e+00, 4.5776367188e-04, 2.5987625122e-05, 7.5437128544e-08, 6.0026650317e-11, 7.3896444519e-13, 5.3845816694e-15, 5.6378512969e-18, 8.3009228831e-20, 3.2756352257e-22, 6.3331015649e-25, }; [L166-L168] static const float zero_krempio = 0.0, one_krempio = 1.0, two8_krempio = 2.5600000000e+02, twon8_krempio = 3.9062500000e-03; [L343-L361] static const __int32_t two_over_pi_rempio[] = { 0xA2, 0xF9, 0x83, 0x6E, 0x4E, 0x44, 0x15, 0x29, 0xFC, 0x27, 0x57, 0xD1, 0xF5, 0x34, 0xDD, 0xC0, 0xDB, 0x62, 0x95, 0x99, 0x3C, 0x43, 0x90, 0x41, 0xFE, 0x51, 0x63, 0xAB, 0xDE, 0xBB, 0xC5, 0x61, 0xB7, 0x24, 0x6E, 0x3A, 0x42, 0x4D, 0xD2, 0xE0, 0x06, 0x49, 0x2E, 0xEA, 0x09, 0xD1, 0x92, 0x1C, 0xFE, 0x1D, 0xEB, 0x1C, 0xB1, 0x29, 0xA7, 0x3E, 0xE8, 0x82, 0x35, 0xF5, 0x2E, 0xBB, 0x44, 0x84, 0xE9, 0x9C, 0x70, 0x26, 0xB4, 0x5F, 0x7E, 0x41, 0x39, 0x91, 0xD6, 0x39, 0x83, 0x53, 0x39, 0xF4, 0x9C, 0x84, 0x5F, 0x8B, 0xBD, 0xF9, 0x28, 0x3B, 0x1F, 0xF8, 0x97, 0xFF, 0xDE, 0x05, 0x98, 0x0F, 0xEF, 0x2F, 0x11, 0x8B, 0x5A, 0x0A, 0x6D, 0x1F, 0x6D, 0x36, 0x7E, 0xCF, 0x27, 0xCB, 0x09, 0xB7, 0x4F, 0x46, 0x3F, 0x66, 0x9E, 0x5F, 0xEA, 0x2D, 0x75, 0x27, 0xBA, 0xC7, 0xEB, 0xE5, 0xF1, 0x7B, 0x3D, 0x07, 0x39, 0xF7, 0x8A, 0x52, 0x92, 0xEA, 0x6B, 0xFB, 0x5F, 0xB1, 0x1F, 0x8D, 0x5D, 0x08, 0x56, 0x03, 0x30, 0x46, 0xFC, 0x7B, 0x6B, 0xAB, 0xF0, 0xCF, 0xBC, 0x20, 0x9A, 0xF4, 0x36, 0x1D, 0xA9, 0xE3, 0x91, 0x61, 0x5E, 0xE6, 0x1B, 0x08, 0x65, 0x99, 0x85, 0x5F, 0x14, 0xA0, 0x68, 0x40, 0x8D, 0xFF, 0xD8, 0x80, 0x4D, 0x73, 0x27, 0x31, 0x06, 0x06, 0x15, 0x56, 0xCA, 0x73, 0xA8, 0xC9, 0x60, 0xE2, 0x7B, 0xC0, 0x8C, 0x6B, }; [L363-L369] static const __int32_t npio2_hw_rempio[] = { 0x3fc90f00, 0x40490f00, 0x4096cb00, 0x40c90f00, 0x40fb5300, 0x4116cb00, 0x412fed00, 0x41490f00, 0x41623100, 0x417b5300, 0x418a3a00, 0x4196cb00, 0x41a35c00, 0x41afed00, 0x41bc7e00, 0x41c90f00, 0x41d5a000, 0x41e23100, 0x41eec200, 0x41fb5300, 0x4203f200, 0x420a3a00, 0x42108300, 0x4216cb00, 0x421d1400, 0x42235c00, 0x4229a500, 0x422fed00, 0x42363600, 0x423c7e00, 0x4242c700, 0x42490f00}; [L371-L380] static const float zero_rempio = 0.0000000000e+00, half_rempio = 5.0000000000e-01, two8_rempio = 2.5600000000e+02, invpio2_rempio = 6.3661980629e-01, pio2_1_rempio = 1.5707855225e+00, pio2_1t_rempio = 1.0804334124e-05, pio2_2_rempio = 1.0804273188e-05, pio2_2t_rempio = 6.0770999344e-11, pio2_3_rempio = 6.0770943833e-11, pio2_3t_rempio = 6.1232342629e-17; [L500-L503] static const float half_ksin = 5.0000000000e-01, S1_ksin = -1.6666667163e-01, S2_ksin = 8.3333337680e-03, S3_ksin = -1.9841270114e-04, S4_ksin = 2.7557314297e-06, S5_ksin = -2.5050759689e-08, S6_ksin = 1.5896910177e-10; [L527-L530] static const float one_kcos = 1.0000000000e+00, C1_kcos = 4.1666667908e-02, C2_kcos = -1.3888889225e-03, C3_kcos = 2.4801587642e-05, C4_kcos = -2.7557314297e-07, C5_kcos = 2.0875723372e-09, C6_kcos = -1.1359647598e-11; [L567] static const float one_cos = 1.0; [L608] float x = -0.0f; [L609] CALL, EXPR cos_float(x) [L570] float y[2], z = 0.0; [L571] __int32_t n, ix; VAL [\old(x)=1000000000000000000000000000002, C1_kcos=10416666977/250000000000, C3_kcos=12400793821/500000000000000, C5_kcos=5218930843/2500000000000000000, half_ksin=1/2, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=63661980629/100000000000, npio2_hw_rempio={7:0}, one_cos=1, one_kcos=1, one_krempio=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, PIo2_krempio={5:0}, S2_ksin=1041666721/125000000000, S4_ksin=27557314297/10000000000000000, S6_ksin=15896910177/100000000000000000000, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={6:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=1000000000000000000000000000002, y={13:0}, z=0, zero_krempio=0, zero_rempio=0] [L574] ieee_float_shape_type gf_u; [L575] gf_u.value = (x) [L576] EXPR gf_u.word [L576] (ix) = gf_u.word [L579] ix &= 0x7fffffff VAL [\old(x)=1000000000000000000000000000002, C1_kcos=10416666977/250000000000, C3_kcos=12400793821/500000000000000, C5_kcos=5218930843/2500000000000000000, half_ksin=1/2, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=63661980629/100000000000, npio2_hw_rempio={7:0}, one_cos=1, one_kcos=1, one_krempio=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, PIo2_krempio={5:0}, S2_ksin=1041666721/125000000000, S4_ksin=27557314297/10000000000000000, S6_ksin=15896910177/100000000000000000000, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={6:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=1000000000000000000000000000002, y={13:0}, z=0, zero_krempio=0, zero_rempio=0] [L580] COND FALSE !(ix <= 0x3f490fd8) VAL [\old(x)=1000000000000000000000000000002, C1_kcos=10416666977/250000000000, C3_kcos=12400793821/500000000000000, C5_kcos=5218930843/2500000000000000000, half_ksin=1/2, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=63661980629/100000000000, ix=2139095040, npio2_hw_rempio={7:0}, one_cos=1, one_kcos=1, one_krempio=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, PIo2_krempio={5:0}, S2_ksin=1041666721/125000000000, S4_ksin=27557314297/10000000000000000, S6_ksin=15896910177/100000000000000000000, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={6:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=1000000000000000000000000000002, y={13:0}, z=0, zero_krempio=0, zero_rempio=0] [L583] COND TRUE !((ix) < 0x7f800000L) [L584] return x - x; [L584] return x - x; VAL [\old(x)=1000000000000000000000000000002, C1_kcos=10416666977/250000000000, C3_kcos=12400793821/500000000000000, C5_kcos=5218930843/2500000000000000000, half_ksin=1/2, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=63661980629/100000000000, ix=2139095040, npio2_hw_rempio={7:0}, one_cos=1, one_kcos=1, one_krempio=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, PIo2_krempio={5:0}, S2_ksin=1041666721/125000000000, S4_ksin=27557314297/10000000000000000, S6_ksin=15896910177/100000000000000000000, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={6:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=1000000000000000000000000000002, z=0, zero_krempio=0, zero_rempio=0] [L609] RET, EXPR cos_float(x) [L609] float res = cos_float(x); [L612] COND TRUE res != 1.0f VAL [C1_kcos=10416666977/250000000000, C3_kcos=12400793821/500000000000000, C5_kcos=5218930843/2500000000000000000, half_ksin=1/2, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=63661980629/100000000000, npio2_hw_rempio={7:0}, one_cos=1, one_kcos=1, one_krempio=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, PIo2_krempio={5:0}, res=1000000000000000000000000000001, S2_ksin=1041666721/125000000000, S4_ksin=27557314297/10000000000000000, S6_ksin=15896910177/100000000000000000000, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={6:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=1000000000000000000000000000002, zero_krempio=0, zero_rempio=0] [L613] reach_error() VAL [C1_kcos=10416666977/250000000000, C3_kcos=12400793821/500000000000000, C5_kcos=5218930843/2500000000000000000, half_ksin=1/2, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=63661980629/100000000000, npio2_hw_rempio={7:0}, one_cos=1, one_kcos=1, one_krempio=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, PIo2_krempio={5:0}, res=1000000000000000000000000000001, S2_ksin=1041666721/125000000000, S4_ksin=27557314297/10000000000000000, S6_ksin=15896910177/100000000000000000000, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={6:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=1000000000000000000000000000002, zero_krempio=0, zero_rempio=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 168 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 183 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 51 IncrementalHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 183 mSDtfsCounter, 51 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=168occurred in iteration=0, InterpolantAutomatonStates: 2, 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: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 [2021-11-21 01:29:34,293 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d222d02b-da48-4766-9d3a-e0472e9c282f/bin/utaipan-TEXQjIfE4P/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_d222d02b-da48-4766-9d3a-e0472e9c282f/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d222d02b-da48-4766-9d3a-e0472e9c282f/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d222d02b-da48-4766-9d3a-e0472e9c282f/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d222d02b-da48-4766-9d3a-e0472e9c282f/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0320b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d222d02b-da48-4766-9d3a-e0472e9c282f/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d222d02b-da48-4766-9d3a-e0472e9c282f/bin/utaipan-TEXQjIfE4P --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 95eb8e0e40012a8615a9537769628c64af20a86f83775a8e40d95f7e14e978d1 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 01:29:36,715 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 01:29:36,718 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 01:29:36,780 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 01:29:36,780 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 01:29:36,786 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 01:29:36,788 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 01:29:36,793 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 01:29:36,796 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 01:29:36,807 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 01:29:36,808 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 01:29:36,809 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 01:29:36,810 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 01:29:36,811 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 01:29:36,812 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 01:29:36,814 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 01:29:36,815 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 01:29:36,816 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 01:29:36,821 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 01:29:36,830 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 01:29:36,833 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 01:29:36,834 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 01:29:36,840 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 01:29:36,842 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 01:29:36,845 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 01:29:36,846 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 01:29:36,846 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 01:29:36,848 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 01:29:36,849 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 01:29:36,850 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 01:29:36,850 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 01:29:36,851 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 01:29:36,853 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 01:29:36,854 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 01:29:36,855 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 01:29:36,856 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 01:29:36,857 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 01:29:36,857 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 01:29:36,857 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 01:29:36,859 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 01:29:36,860 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 01:29:36,861 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d222d02b-da48-4766-9d3a-e0472e9c282f/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-21 01:29:36,905 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 01:29:36,905 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 01:29:36,906 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-21 01:29:36,906 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-21 01:29:36,907 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 01:29:36,907 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-21 01:29:36,907 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-21 01:29:36,907 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-21 01:29:36,908 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-21 01:29:36,908 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-21 01:29:36,909 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-21 01:29:36,909 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-21 01:29:36,910 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 01:29:36,911 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 01:29:36,911 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 01:29:36,911 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 01:29:36,911 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 01:29:36,911 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 01:29:36,912 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 01:29:36,912 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-21 01:29:36,912 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-21 01:29:36,912 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 01:29:36,912 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 01:29:36,913 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 01:29:36,913 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 01:29:36,913 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 01:29:36,913 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-21 01:29:36,913 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-21 01:29:36,914 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 01:29:36,914 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 01:29:36,914 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 01:29:36,914 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 01:29:36,915 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-21 01:29:36,915 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-21 01:29:36,915 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 01:29:36,915 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-21 01:29:36,915 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-21 01:29:36,916 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_d222d02b-da48-4766-9d3a-e0472e9c282f/bin/utaipan-TEXQjIfE4P/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d222d02b-da48-4766-9d3a-e0472e9c282f/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 95eb8e0e40012a8615a9537769628c64af20a86f83775a8e40d95f7e14e978d1 [2021-11-21 01:29:37,281 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 01:29:37,302 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 01:29:37,305 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 01:29:37,306 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 01:29:37,307 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 01:29:37,308 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d222d02b-da48-4766-9d3a-e0472e9c282f/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/float-newlib/float_req_bl_0320b.c [2021-11-21 01:29:37,377 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d222d02b-da48-4766-9d3a-e0472e9c282f/bin/utaipan-TEXQjIfE4P/data/24d7ed812/aec8ecb3b154480fb1a8b756aa7a7bf6/FLAGe323f1bf6 [2021-11-21 01:29:37,873 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 01:29:37,885 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d222d02b-da48-4766-9d3a-e0472e9c282f/sv-benchmarks/c/float-newlib/float_req_bl_0320b.c [2021-11-21 01:29:37,899 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d222d02b-da48-4766-9d3a-e0472e9c282f/bin/utaipan-TEXQjIfE4P/data/24d7ed812/aec8ecb3b154480fb1a8b756aa7a7bf6/FLAGe323f1bf6 [2021-11-21 01:29:38,225 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d222d02b-da48-4766-9d3a-e0472e9c282f/bin/utaipan-TEXQjIfE4P/data/24d7ed812/aec8ecb3b154480fb1a8b756aa7a7bf6 [2021-11-21 01:29:38,228 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 01:29:38,229 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 01:29:38,246 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 01:29:38,246 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 01:29:38,249 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 01:29:38,249 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:29:38" (1/1) ... [2021-11-21 01:29:38,250 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b5defa4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:29:38, skipping insertion in model container [2021-11-21 01:29:38,251 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:29:38" (1/1) ... [2021-11-21 01:29:38,258 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 01:29:38,300 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 01:29:38,680 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_d222d02b-da48-4766-9d3a-e0472e9c282f/sv-benchmarks/c/float-newlib/float_req_bl_0320b.c[15471,15484] [2021-11-21 01:29:38,682 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 01:29:38,759 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 01:29:38,913 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_d222d02b-da48-4766-9d3a-e0472e9c282f/sv-benchmarks/c/float-newlib/float_req_bl_0320b.c[15471,15484] [2021-11-21 01:29:38,914 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 01:29:38,986 INFO L208 MainTranslator]: Completed translation [2021-11-21 01:29:38,988 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:29:38 WrapperNode [2021-11-21 01:29:38,989 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 01:29:38,990 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 01:29:38,990 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 01:29:38,991 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 01:29:38,998 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:29:38" (1/1) ... [2021-11-21 01:29:39,041 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:29:38" (1/1) ... [2021-11-21 01:29:39,108 INFO L137 Inliner]: procedures = 30, calls = 490, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 1116 [2021-11-21 01:29:39,108 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 01:29:39,109 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 01:29:39,109 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 01:29:39,110 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 01:29:39,118 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:29:38" (1/1) ... [2021-11-21 01:29:39,119 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:29:38" (1/1) ... [2021-11-21 01:29:39,133 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:29:38" (1/1) ... [2021-11-21 01:29:39,134 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:29:38" (1/1) ... [2021-11-21 01:29:39,201 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:29:38" (1/1) ... [2021-11-21 01:29:39,228 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:29:38" (1/1) ... [2021-11-21 01:29:39,250 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:29:38" (1/1) ... [2021-11-21 01:29:39,298 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 01:29:39,299 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 01:29:39,302 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 01:29:39,302 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 01:29:39,303 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:29:38" (1/1) ... [2021-11-21 01:29:39,314 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 01:29:39,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d222d02b-da48-4766-9d3a-e0472e9c282f/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:29:39,336 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d222d02b-da48-4766-9d3a-e0472e9c282f/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-21 01:29:39,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d222d02b-da48-4766-9d3a-e0472e9c282f/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-21 01:29:39,385 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_cosf [2021-11-21 01:29:39,385 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_cosf [2021-11-21 01:29:39,386 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 01:29:39,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-21 01:29:39,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-21 01:29:39,386 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 01:29:39,386 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2021-11-21 01:29:39,387 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-21 01:29:39,387 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_sinf [2021-11-21 01:29:39,387 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_sinf [2021-11-21 01:29:39,387 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_float [2021-11-21 01:29:39,387 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_float [2021-11-21 01:29:39,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2021-11-21 01:29:39,388 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_float [2021-11-21 01:29:39,388 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_float [2021-11-21 01:29:39,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2021-11-21 01:29:39,388 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 01:29:39,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 01:29:39,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-21 01:29:39,389 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 01:29:39,586 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 01:29:39,588 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 01:30:11,867 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 01:30:11,878 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 01:30:11,879 INFO L301 CfgBuilder]: Removed 59 assume(true) statements. [2021-11-21 01:30:11,881 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:30:11 BoogieIcfgContainer [2021-11-21 01:30:11,882 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 01:30:11,883 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-21 01:30:11,884 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-21 01:30:11,892 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-21 01:30:11,893 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 01:29:38" (1/3) ... [2021-11-21 01:30:11,893 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c7639d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:30:11, skipping insertion in model container [2021-11-21 01:30:11,894 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:29:38" (2/3) ... [2021-11-21 01:30:11,894 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c7639d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:30:11, skipping insertion in model container [2021-11-21 01:30:11,894 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:30:11" (3/3) ... [2021-11-21 01:30:11,896 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0320b.c [2021-11-21 01:30:11,901 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-21 01:30:11,901 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-21 01:30:11,952 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-21 01:30:11,960 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 [2021-11-21 01:30:11,960 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-21 01:30:11,984 INFO L276 IsEmpty]: Start isEmpty. Operand has 244 states, 226 states have (on average 1.663716814159292) internal successors, (376), 227 states have internal predecessors, (376), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2021-11-21 01:30:11,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-21 01:30:11,989 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:30:11,989 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:30:11,990 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:30:11,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:30:11,995 INFO L85 PathProgramCache]: Analyzing trace with hash 1639684783, now seen corresponding path program 1 times [2021-11-21 01:30:12,009 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-21 01:30:12,010 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [875611268] [2021-11-21 01:30:12,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:30:12,011 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-21 01:30:12,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d222d02b-da48-4766-9d3a-e0472e9c282f/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-21 01:30:12,016 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d222d02b-da48-4766-9d3a-e0472e9c282f/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-21 01:30:12,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d222d02b-da48-4766-9d3a-e0472e9c282f/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-21 01:30:13,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:30:13,354 INFO L263 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 01:30:13,358 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:30:13,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:30:13,451 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 01:30:13,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:30:13,509 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-21 01:30:13,509 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [875611268] [2021-11-21 01:30:13,510 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [875611268] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-21 01:30:13,510 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:30:13,511 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-21 01:30:13,513 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069821455] [2021-11-21 01:30:13,514 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-21 01:30:13,518 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-21 01:30:13,519 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-21 01:30:13,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-21 01:30:13,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-21 01:30:13,570 INFO L87 Difference]: Start difference. First operand has 244 states, 226 states have (on average 1.663716814159292) internal successors, (376), 227 states have internal predecessors, (376), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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) [2021-11-21 01:30:13,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:30:13,655 INFO L93 Difference]: Finished difference Result 486 states and 810 transitions. [2021-11-21 01:30:13,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-21 01:30:13,658 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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 9 [2021-11-21 01:30:13,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:30:13,671 INFO L225 Difference]: With dead ends: 486 [2021-11-21 01:30:13,673 INFO L226 Difference]: Without dead ends: 241 [2021-11-21 01:30:13,685 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-21 01:30:13,692 INFO L933 BasicCegarLoop]: 340 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, 340 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 [2021-11-21 01:30:13,695 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 340 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-21 01:30:13,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2021-11-21 01:30:13,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 241. [2021-11-21 01:30:13,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 241 states, 224 states have (on average 1.3973214285714286) internal successors, (313), 224 states have internal predecessors, (313), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2021-11-21 01:30:13,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 337 transitions. [2021-11-21 01:30:13,797 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 337 transitions. Word has length 9 [2021-11-21 01:30:13,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:30:13,798 INFO L470 AbstractCegarLoop]: Abstraction has 241 states and 337 transitions. [2021-11-21 01:30:13,799 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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) [2021-11-21 01:30:13,799 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 337 transitions. [2021-11-21 01:30:13,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-21 01:30:13,801 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:30:13,802 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:30:13,834 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d222d02b-da48-4766-9d3a-e0472e9c282f/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-21 01:30:14,009 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d222d02b-da48-4766-9d3a-e0472e9c282f/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-21 01:30:14,010 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:30:14,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:30:14,011 INFO L85 PathProgramCache]: Analyzing trace with hash -391148295, now seen corresponding path program 1 times [2021-11-21 01:30:14,012 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-21 01:30:14,012 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [171285204] [2021-11-21 01:30:14,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:30:14,013 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-21 01:30:14,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d222d02b-da48-4766-9d3a-e0472e9c282f/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-21 01:30:14,018 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d222d02b-da48-4766-9d3a-e0472e9c282f/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-21 01:30:14,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d222d02b-da48-4766-9d3a-e0472e9c282f/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-21 01:30:15,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:30:15,407 INFO L263 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 01:30:15,409 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:30:15,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:30:15,672 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 01:30:15,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:30:15,949 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-21 01:30:15,950 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [171285204] [2021-11-21 01:30:15,950 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [171285204] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-21 01:30:15,950 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:30:15,950 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-21 01:30:15,951 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021273554] [2021-11-21 01:30:15,951 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-21 01:30:15,952 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-21 01:30:15,953 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-21 01:30:15,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-21 01:30:15,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-11-21 01:30:15,958 INFO L87 Difference]: Start difference. First operand 241 states and 337 transitions. Second operand has 8 states, 8 states have (on average 1.875) internal successors, (15), 8 states have internal predecessors, (15), 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) [2021-11-21 01:30:16,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:30:16,130 INFO L93 Difference]: Finished difference Result 259 states and 357 transitions. [2021-11-21 01:30:16,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-21 01:30:16,130 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.875) internal successors, (15), 8 states have internal predecessors, (15), 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 10 [2021-11-21 01:30:16,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:30:16,131 INFO L225 Difference]: With dead ends: 259 [2021-11-21 01:30:16,136 INFO L226 Difference]: Without dead ends: 26 [2021-11-21 01:30:16,139 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-21 01:30:16,143 INFO L933 BasicCegarLoop]: 26 mSDtfsCounter, 3 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 2 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-21 01:30:16,144 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 99 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 2 Unchecked, 0.0s Time] [2021-11-21 01:30:16,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2021-11-21 01:30:16,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2021-11-21 01:30:16,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 23 states have (on average 1.173913043478261) internal successors, (27), 23 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-21 01:30:16,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 29 transitions. [2021-11-21 01:30:16,151 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 29 transitions. Word has length 10 [2021-11-21 01:30:16,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:30:16,151 INFO L470 AbstractCegarLoop]: Abstraction has 26 states and 29 transitions. [2021-11-21 01:30:16,152 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1.875) internal successors, (15), 8 states have internal predecessors, (15), 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) [2021-11-21 01:30:16,152 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 29 transitions. [2021-11-21 01:30:16,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-21 01:30:16,153 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:30:16,153 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:30:16,193 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d222d02b-da48-4766-9d3a-e0472e9c282f/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-21 01:30:16,369 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d222d02b-da48-4766-9d3a-e0472e9c282f/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-21 01:30:16,370 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:30:16,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:30:16,371 INFO L85 PathProgramCache]: Analyzing trace with hash 960425796, now seen corresponding path program 1 times [2021-11-21 01:30:16,372 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-21 01:30:16,372 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1938660915] [2021-11-21 01:30:16,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:30:16,372 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-21 01:30:16,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d222d02b-da48-4766-9d3a-e0472e9c282f/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-21 01:30:16,373 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d222d02b-da48-4766-9d3a-e0472e9c282f/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-21 01:30:16,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d222d02b-da48-4766-9d3a-e0472e9c282f/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-21 01:30:17,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:30:17,643 INFO L263 TraceCheckSpWp]: Trace formula consists of 371 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-21 01:30:17,644 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:30:18,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:30:18,227 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 01:30:18,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:30:18,864 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-21 01:30:18,864 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1938660915] [2021-11-21 01:30:18,865 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1938660915] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-21 01:30:18,865 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:30:18,865 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 7] imperfect sequences [] total 8 [2021-11-21 01:30:18,865 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899591117] [2021-11-21 01:30:18,865 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-21 01:30:18,866 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-21 01:30:18,866 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-21 01:30:18,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-21 01:30:18,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-11-21 01:30:18,867 INFO L87 Difference]: Start difference. First operand 26 states and 29 transitions. Second operand has 8 states, 8 states have (on average 3.0) internal successors, (24), 7 states have internal predecessors, (24), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-21 01:30:21,293 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-21 01:30:23,438 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-21 01:30:25,441 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-21 01:30:27,447 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-21 01:30:29,453 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-21 01:30:31,455 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-21 01:30:33,817 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-21 01:30:35,820 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-21 01:30:37,824 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-21 01:30:39,838 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-21 01:30:41,841 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-21 01:30:42,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:30:42,118 INFO L93 Difference]: Finished difference Result 33 states and 35 transitions. [2021-11-21 01:30:42,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-21 01:30:42,119 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.0) internal successors, (24), 7 states have internal predecessors, (24), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 19 [2021-11-21 01:30:42,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:30:42,125 INFO L225 Difference]: With dead ends: 33 [2021-11-21 01:30:42,125 INFO L226 Difference]: Without dead ends: 26 [2021-11-21 01:30:42,126 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 29 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2021-11-21 01:30:42,127 INFO L933 BasicCegarLoop]: 23 mSDtfsCounter, 10 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 1 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.0s IncrementalHoareTripleChecker+Time [2021-11-21 01:30:42,128 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12 Valid, 96 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 41 Invalid, 11 Unknown, 0 Unchecked, 23.0s Time] [2021-11-21 01:30:42,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2021-11-21 01:30:42,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2021-11-21 01:30:42,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 23 states have (on average 1.1304347826086956) internal successors, (26), 23 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-21 01:30:42,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 28 transitions. [2021-11-21 01:30:42,131 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 28 transitions. Word has length 19 [2021-11-21 01:30:42,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:30:42,132 INFO L470 AbstractCegarLoop]: Abstraction has 26 states and 28 transitions. [2021-11-21 01:30:42,132 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.0) internal successors, (24), 7 states have internal predecessors, (24), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-21 01:30:42,132 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 28 transitions. [2021-11-21 01:30:42,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-21 01:30:42,133 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:30:42,133 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:30:42,187 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d222d02b-da48-4766-9d3a-e0472e9c282f/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-21 01:30:42,366 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d222d02b-da48-4766-9d3a-e0472e9c282f/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-21 01:30:42,366 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:30:42,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:30:42,367 INFO L85 PathProgramCache]: Analyzing trace with hash 1646682684, now seen corresponding path program 1 times [2021-11-21 01:30:42,368 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-21 01:30:42,368 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [265129837] [2021-11-21 01:30:42,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:30:42,368 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-21 01:30:42,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d222d02b-da48-4766-9d3a-e0472e9c282f/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-21 01:30:42,370 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d222d02b-da48-4766-9d3a-e0472e9c282f/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-21 01:30:42,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d222d02b-da48-4766-9d3a-e0472e9c282f/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-21 01:30:44,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:30:44,271 INFO L263 TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-21 01:30:44,273 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:30:44,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:30:44,795 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 01:30:46,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:30:46,145 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-21 01:30:46,145 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [265129837] [2021-11-21 01:30:46,145 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [265129837] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-21 01:30:46,146 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:30:46,146 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 11 [2021-11-21 01:30:46,146 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228348836] [2021-11-21 01:30:46,146 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-21 01:30:46,146 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-21 01:30:46,147 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-21 01:30:46,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-21 01:30:46,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2021-11-21 01:30:46,148 INFO L87 Difference]: Start difference. First operand 26 states and 28 transitions. Second operand has 11 states, 11 states have (on average 2.5454545454545454) internal successors, (28), 11 states have internal predecessors, (28), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-21 01:30:48,427 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-21 01:30:48,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:30:48,429 INFO L93 Difference]: Finished difference Result 39 states and 42 transitions. [2021-11-21 01:30:48,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-21 01:30:48,463 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.5454545454545454) internal successors, (28), 11 states have internal predecessors, (28), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 20 [2021-11-21 01:30:48,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:30:48,463 INFO L225 Difference]: With dead ends: 39 [2021-11-21 01:30:48,464 INFO L226 Difference]: Without dead ends: 26 [2021-11-21 01:30:48,464 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 28 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2021-11-21 01:30:48,465 INFO L933 BasicCegarLoop]: 23 mSDtfsCounter, 16 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 39 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-11-21 01:30:48,466 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [17 Valid, 151 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 1 Unknown, 39 Unchecked, 2.2s Time] [2021-11-21 01:30:48,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2021-11-21 01:30:48,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2021-11-21 01:30:48,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 23 states have (on average 1.0869565217391304) internal successors, (25), 23 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-21 01:30:48,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 27 transitions. [2021-11-21 01:30:48,469 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 27 transitions. Word has length 20 [2021-11-21 01:30:48,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:30:48,470 INFO L470 AbstractCegarLoop]: Abstraction has 26 states and 27 transitions. [2021-11-21 01:30:48,470 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.5454545454545454) internal successors, (28), 11 states have internal predecessors, (28), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-21 01:30:48,470 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 27 transitions. [2021-11-21 01:30:48,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-21 01:30:48,471 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:30:48,471 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:30:48,512 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d222d02b-da48-4766-9d3a-e0472e9c282f/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-21 01:30:48,674 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d222d02b-da48-4766-9d3a-e0472e9c282f/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-21 01:30:48,674 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:30:48,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:30:48,675 INFO L85 PathProgramCache]: Analyzing trace with hash -1832981880, now seen corresponding path program 1 times [2021-11-21 01:30:48,675 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-21 01:30:48,676 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1600154231] [2021-11-21 01:30:48,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:30:48,676 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-21 01:30:48,676 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d222d02b-da48-4766-9d3a-e0472e9c282f/bin/utaipan-TEXQjIfE4P/mathsat [2021-11-21 01:30:48,677 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d222d02b-da48-4766-9d3a-e0472e9c282f/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-21 01:30:48,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d222d02b-da48-4766-9d3a-e0472e9c282f/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-21 01:30:50,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:30:50,694 INFO L263 TraceCheckSpWp]: Trace formula consists of 374 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-21 01:30:50,696 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:30:51,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:30:51,124 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 01:30:54,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:30:54,466 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-21 01:30:54,466 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1600154231] [2021-11-21 01:30:54,466 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1600154231] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-21 01:30:54,466 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:30:54,466 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 7 [2021-11-21 01:30:54,466 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339868315] [2021-11-21 01:30:54,467 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-21 01:30:54,467 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-21 01:30:54,467 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-21 01:30:54,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-21 01:30:54,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-11-21 01:30:54,468 INFO L87 Difference]: Start difference. First operand 26 states and 27 transitions. Second operand has 7 states, 7 states have (on average 4.285714285714286) internal successors, (30), 7 states have internal predecessors, (30), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-21 01:30:57,331 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-21 01:30:59,473 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-21 01:31:01,586 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-21 01:31:01,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:31:01,587 INFO L93 Difference]: Finished difference Result 26 states and 27 transitions. [2021-11-21 01:31:01,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-21 01:31:01,625 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.285714285714286) internal successors, (30), 7 states have internal predecessors, (30), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 21 [2021-11-21 01:31:01,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:31:01,625 INFO L225 Difference]: With dead ends: 26 [2021-11-21 01:31:01,625 INFO L226 Difference]: Without dead ends: 0 [2021-11-21 01:31:01,625 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-11-21 01:31:01,627 INFO L933 BasicCegarLoop]: 18 mSDtfsCounter, 16 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2021-11-21 01:31:01,627 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16 Valid, 46 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 3 Unknown, 0 Unchecked, 7.0s Time] [2021-11-21 01:31:01,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-21 01:31:01,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-21 01:31:01,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2021-11-21 01:31:01,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-21 01:31:01,629 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 21 [2021-11-21 01:31:01,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:31:01,629 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-21 01:31:01,629 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.285714285714286) internal successors, (30), 7 states have internal predecessors, (30), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-21 01:31:01,629 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-21 01:31:01,630 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-21 01:31:01,634 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-21 01:31:01,677 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d222d02b-da48-4766-9d3a-e0472e9c282f/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 (6)] Ended with exit code 0 [2021-11-21 01:31:01,835 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d222d02b-da48-4766-9d3a-e0472e9c282f/bin/utaipan-TEXQjIfE4P/mathsat -unsat_core_generation=3 [2021-11-21 01:31:01,837 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-21 01:31:02,396 INFO L858 garLoopResultBuilder]: For program point L541(lines 541 544) no Hoare annotation was computed. [2021-11-21 01:31:02,396 INFO L858 garLoopResultBuilder]: For program point L541-2(lines 541 544) no Hoare annotation was computed. [2021-11-21 01:31:02,396 INFO L858 garLoopResultBuilder]: For program point L535-1(lines 535 539) no Hoare annotation was computed. [2021-11-21 01:31:02,397 INFO L854 garLoopResultBuilder]: At program point L535-2(lines 535 539) the Hoare annotation is: (or (not (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0)) ~one_kcos~0)) (= |__kernel_cosf_#in~x| __kernel_cosf_~x)) [2021-11-21 01:31:02,397 INFO L858 garLoopResultBuilder]: For program point L535-3(lines 535 539) no Hoare annotation was computed. [2021-11-21 01:31:02,397 INFO L858 garLoopResultBuilder]: For program point L552(lines 552 560) no Hoare annotation was computed. [2021-11-21 01:31:02,397 INFO L861 garLoopResultBuilder]: At program point __kernel_cosfENTRY(lines 532 565) the Hoare annotation is: true [2021-11-21 01:31:02,397 INFO L858 garLoopResultBuilder]: For program point L542(lines 542 543) no Hoare annotation was computed. [2021-11-21 01:31:02,397 INFO L858 garLoopResultBuilder]: For program point __kernel_cosfFINAL(lines 532 565) no Hoare annotation was computed. [2021-11-21 01:31:02,397 INFO L858 garLoopResultBuilder]: For program point L555-1(lines 555 559) no Hoare annotation was computed. [2021-11-21 01:31:02,398 INFO L854 garLoopResultBuilder]: At program point L555-2(lines 555 559) the Hoare annotation is: (or (exists ((v___kernel_cosf_~ix~6_17 (_ BitVec 32))) (and (= |__kernel_cosf_#in~x| (fp ((_ extract 31 31) v___kernel_cosf_~ix~6_17) ((_ extract 30 23) v___kernel_cosf_~ix~6_17) ((_ extract 22 0) v___kernel_cosf_~ix~6_17))) (not (bvslt (bvand (_ bv2147483647 32) v___kernel_cosf_~ix~6_17) (_ bv838860800 32))))) (not (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0)) ~one_kcos~0))) [2021-11-21 01:31:02,398 INFO L858 garLoopResultBuilder]: For program point L555-3(lines 552 560) no Hoare annotation was computed. [2021-11-21 01:31:02,398 INFO L858 garLoopResultBuilder]: For program point L549(lines 549 564) no Hoare annotation was computed. [2021-11-21 01:31:02,398 INFO L858 garLoopResultBuilder]: For program point __kernel_cosfEXIT(lines 532 565) no Hoare annotation was computed. [2021-11-21 01:31:02,398 INFO L858 garLoopResultBuilder]: For program point copysign_floatEXIT(lines 66 84) no Hoare annotation was computed. [2021-11-21 01:31:02,398 INFO L858 garLoopResultBuilder]: For program point L73(lines 73 77) no Hoare annotation was computed. [2021-11-21 01:31:02,398 INFO L858 garLoopResultBuilder]: For program point L73-1(lines 66 84) no Hoare annotation was computed. [2021-11-21 01:31:02,398 INFO L861 garLoopResultBuilder]: At program point copysign_floatENTRY(lines 66 84) the Hoare annotation is: true [2021-11-21 01:31:02,398 INFO L858 garLoopResultBuilder]: For program point L78(lines 78 82) no Hoare annotation was computed. [2021-11-21 01:31:02,398 INFO L858 garLoopResultBuilder]: For program point L78-1(lines 66 84) no Hoare annotation was computed. [2021-11-21 01:31:02,399 INFO L858 garLoopResultBuilder]: For program point L78-2(lines 78 82) no Hoare annotation was computed. [2021-11-21 01:31:02,399 INFO L858 garLoopResultBuilder]: For program point copysign_floatFINAL(lines 66 84) no Hoare annotation was computed. [2021-11-21 01:31:02,399 INFO L858 garLoopResultBuilder]: For program point L68-1(lines 68 72) no Hoare annotation was computed. [2021-11-21 01:31:02,399 INFO L861 garLoopResultBuilder]: At program point L68-2(lines 68 72) the Hoare annotation is: true [2021-11-21 01:31:02,399 INFO L858 garLoopResultBuilder]: For program point L514-2(lines 514 517) no Hoare annotation was computed. [2021-11-21 01:31:02,400 INFO L858 garLoopResultBuilder]: For program point L508-1(lines 508 512) no Hoare annotation was computed. [2021-11-21 01:31:02,400 INFO L861 garLoopResultBuilder]: At program point L508-2(lines 508 512) the Hoare annotation is: true [2021-11-21 01:31:02,400 INFO L858 garLoopResultBuilder]: For program point L508-3(lines 508 512) no Hoare annotation was computed. [2021-11-21 01:31:02,400 INFO L858 garLoopResultBuilder]: For program point __kernel_sinfEXIT(lines 505 525) no Hoare annotation was computed. [2021-11-21 01:31:02,400 INFO L858 garLoopResultBuilder]: For program point L521(lines 521 524) no Hoare annotation was computed. [2021-11-21 01:31:02,401 INFO L858 garLoopResultBuilder]: For program point L515(lines 515 516) no Hoare annotation was computed. [2021-11-21 01:31:02,401 INFO L861 garLoopResultBuilder]: At program point __kernel_sinfENTRY(lines 505 525) the Hoare annotation is: true [2021-11-21 01:31:02,401 INFO L858 garLoopResultBuilder]: For program point __kernel_sinfFINAL(lines 505 525) no Hoare annotation was computed. [2021-11-21 01:31:02,401 INFO L858 garLoopResultBuilder]: For program point L514(lines 514 517) no Hoare annotation was computed. [2021-11-21 01:31:02,401 INFO L858 garLoopResultBuilder]: For program point L399(lines 399 423) no Hoare annotation was computed. [2021-11-21 01:31:02,402 INFO L858 garLoopResultBuilder]: For program point L300(line 300) no Hoare annotation was computed. [2021-11-21 01:31:02,402 INFO L858 garLoopResultBuilder]: For program point L234(line 234) no Hoare annotation was computed. [2021-11-21 01:31:02,402 INFO L858 garLoopResultBuilder]: For program point L400(lines 400 422) no Hoare annotation was computed. [2021-11-21 01:31:02,402 INFO L858 garLoopResultBuilder]: For program point L302-2(lines 302 303) no Hoare annotation was computed. [2021-11-21 01:31:02,402 INFO L854 garLoopResultBuilder]: At program point L302-3(lines 302 303) the Hoare annotation is: false [2021-11-21 01:31:02,403 INFO L858 garLoopResultBuilder]: For program point L302-4(lines 299 339) no Hoare annotation was computed. [2021-11-21 01:31:02,403 INFO L858 garLoopResultBuilder]: For program point L402(lines 402 409) no Hoare annotation was computed. [2021-11-21 01:31:02,403 INFO L858 garLoopResultBuilder]: For program point L402-2(lines 402 409) no Hoare annotation was computed. [2021-11-21 01:31:02,403 INFO L858 garLoopResultBuilder]: For program point L237(line 237) no Hoare annotation was computed. [2021-11-21 01:31:02,403 INFO L858 garLoopResultBuilder]: For program point L204(line 204) no Hoare annotation was computed. [2021-11-21 01:31:02,403 INFO L858 garLoopResultBuilder]: For program point L436-1(lines 436 440) no Hoare annotation was computed. [2021-11-21 01:31:02,404 INFO L854 garLoopResultBuilder]: At program point L436-2(lines 436 440) the Hoare annotation is: false [2021-11-21 01:31:02,404 INFO L858 garLoopResultBuilder]: For program point L436-3(lines 436 440) no Hoare annotation was computed. [2021-11-21 01:31:02,404 INFO L858 garLoopResultBuilder]: For program point L304-1(line 304) no Hoare annotation was computed. [2021-11-21 01:31:02,404 INFO L858 garLoopResultBuilder]: For program point L271-1(lines 271 274) no Hoare annotation was computed. [2021-11-21 01:31:02,404 INFO L854 garLoopResultBuilder]: At program point L271-3(lines 271 274) the Hoare annotation is: false [2021-11-21 01:31:02,405 INFO L854 garLoopResultBuilder]: At program point L569(lines 569 599) the Hoare annotation is: (let ((.cse0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0)))) (and (= .cse0 ~one_kcos~0) (= .cse0 |ULTIMATE.start_cos_float_#res#1|))) [2021-11-21 01:31:02,405 INFO L858 garLoopResultBuilder]: For program point L41(lines 41 42) no Hoare annotation was computed. [2021-11-21 01:31:02,405 INFO L858 garLoopResultBuilder]: For program point L306(line 306) no Hoare annotation was computed. [2021-11-21 01:31:02,405 INFO L858 garLoopResultBuilder]: For program point L306-2(line 306) no Hoare annotation was computed. [2021-11-21 01:31:02,406 INFO L858 garLoopResultBuilder]: For program point L472(lines 472 475) no Hoare annotation was computed. [2021-11-21 01:31:02,406 INFO L854 garLoopResultBuilder]: At program point L340(lines 170 341) the Hoare annotation is: false [2021-11-21 01:31:02,406 INFO L858 garLoopResultBuilder]: For program point L307(line 307) no Hoare annotation was computed. [2021-11-21 01:31:02,406 INFO L858 garLoopResultBuilder]: For program point L43(lines 43 47) no Hoare annotation was computed. [2021-11-21 01:31:02,407 INFO L858 garLoopResultBuilder]: For program point L209(lines 209 217) no Hoare annotation was computed. [2021-11-21 01:31:02,407 INFO L858 garLoopResultBuilder]: For program point L143-1(lines 143 147) no Hoare annotation was computed. [2021-11-21 01:31:02,407 INFO L854 garLoopResultBuilder]: At program point L143-2(lines 143 147) the Hoare annotation is: false [2021-11-21 01:31:02,407 INFO L858 garLoopResultBuilder]: For program point L44(lines 44 45) no Hoare annotation was computed. [2021-11-21 01:31:02,407 INFO L858 garLoopResultBuilder]: For program point L44-2(lines 44 45) no Hoare annotation was computed. [2021-11-21 01:31:02,408 INFO L858 garLoopResultBuilder]: For program point L573-1(lines 573 577) no Hoare annotation was computed. [2021-11-21 01:31:02,408 INFO L854 garLoopResultBuilder]: At program point L573-2(lines 573 577) the Hoare annotation is: (and (= |ULTIMATE.start_cos_float_~x#1| (fp.neg (_ +zero 8 24))) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0)) ~one_kcos~0)) [2021-11-21 01:31:02,408 INFO L858 garLoopResultBuilder]: For program point L573-3(lines 573 577) no Hoare annotation was computed. [2021-11-21 01:31:02,408 INFO L854 garLoopResultBuilder]: At program point L276(line 276) the Hoare annotation is: false [2021-11-21 01:31:02,408 INFO L858 garLoopResultBuilder]: For program point L276-1(line 276) no Hoare annotation was computed. [2021-11-21 01:31:02,409 INFO L858 garLoopResultBuilder]: For program point L309-2(lines 309 310) no Hoare annotation was computed. [2021-11-21 01:31:02,409 INFO L854 garLoopResultBuilder]: At program point L309-3(lines 309 310) the Hoare annotation is: false [2021-11-21 01:31:02,409 INFO L858 garLoopResultBuilder]: For program point L309-4(lines 299 339) no Hoare annotation was computed. [2021-11-21 01:31:02,409 INFO L858 garLoopResultBuilder]: For program point L442(lines 442 461) no Hoare annotation was computed. [2021-11-21 01:31:02,409 INFO L858 garLoopResultBuilder]: For program point L442-1(lines 430 462) no Hoare annotation was computed. [2021-11-21 01:31:02,410 INFO L858 garLoopResultBuilder]: For program point L277(lines 277 284) no Hoare annotation was computed. [2021-11-21 01:31:02,410 INFO L858 garLoopResultBuilder]: For program point L244(lines 244 245) no Hoare annotation was computed. [2021-11-21 01:31:02,410 INFO L854 garLoopResultBuilder]: At program point L277-2(lines 268 285) the Hoare annotation is: false [2021-11-21 01:31:02,410 INFO L858 garLoopResultBuilder]: For program point L311-1(line 311) no Hoare annotation was computed. [2021-11-21 01:31:02,410 INFO L854 garLoopResultBuilder]: At program point L245(line 245) the Hoare annotation is: false [2021-11-21 01:31:02,411 INFO L858 garLoopResultBuilder]: For program point L245-1(line 245) no Hoare annotation was computed. [2021-11-21 01:31:02,411 INFO L858 garLoopResultBuilder]: For program point L180(lines 180 181) no Hoare annotation was computed. [2021-11-21 01:31:02,411 INFO L858 garLoopResultBuilder]: For program point L180-2(lines 180 181) no Hoare annotation was computed. [2021-11-21 01:31:02,411 INFO L858 garLoopResultBuilder]: For program point L478-1(lines 478 482) no Hoare annotation was computed. [2021-11-21 01:31:02,411 INFO L854 garLoopResultBuilder]: At program point L478-2(lines 478 482) the Hoare annotation is: false [2021-11-21 01:31:02,412 INFO L858 garLoopResultBuilder]: For program point L478-3(lines 478 482) no Hoare annotation was computed. [2021-11-21 01:31:02,412 INFO L858 garLoopResultBuilder]: For program point L313-2(lines 313 314) no Hoare annotation was computed. [2021-11-21 01:31:02,412 INFO L858 garLoopResultBuilder]: For program point L214(lines 214 217) no Hoare annotation was computed. [2021-11-21 01:31:02,412 INFO L854 garLoopResultBuilder]: At program point L313-3(lines 313 314) the Hoare annotation is: false [2021-11-21 01:31:02,413 INFO L858 garLoopResultBuilder]: For program point L313-4(lines 299 339) no Hoare annotation was computed. [2021-11-21 01:31:02,413 INFO L858 garLoopResultBuilder]: For program point L148(lines 148 152) no Hoare annotation was computed. [2021-11-21 01:31:02,413 INFO L858 garLoopResultBuilder]: For program point L148-1(lines 141 154) no Hoare annotation was computed. [2021-11-21 01:31:02,413 INFO L858 garLoopResultBuilder]: For program point L148-2(lines 148 152) no Hoare annotation was computed. [2021-11-21 01:31:02,413 INFO L858 garLoopResultBuilder]: For program point L413(lines 413 420) no Hoare annotation was computed. [2021-11-21 01:31:02,414 INFO L858 garLoopResultBuilder]: For program point L413-2(lines 413 420) no Hoare annotation was computed. [2021-11-21 01:31:02,414 INFO L858 garLoopResultBuilder]: For program point L50(lines 50 53) no Hoare annotation was computed. [2021-11-21 01:31:02,414 INFO L858 garLoopResultBuilder]: For program point L612(lines 612 615) no Hoare annotation was computed. [2021-11-21 01:31:02,414 INFO L858 garLoopResultBuilder]: For program point L315-1(line 315) no Hoare annotation was computed. [2021-11-21 01:31:02,414 INFO L858 garLoopResultBuilder]: For program point L216(lines 216 217) no Hoare annotation was computed. [2021-11-21 01:31:02,415 INFO L858 garLoopResultBuilder]: For program point L249-1(lines 171 341) no Hoare annotation was computed. [2021-11-21 01:31:02,415 INFO L858 garLoopResultBuilder]: For program point L216-2(lines 171 341) no Hoare annotation was computed. [2021-11-21 01:31:02,415 INFO L858 garLoopResultBuilder]: For program point L613(line 613) no Hoare annotation was computed. [2021-11-21 01:31:02,415 INFO L858 garLoopResultBuilder]: For program point L580(lines 580 598) no Hoare annotation was computed. [2021-11-21 01:31:02,415 INFO L858 garLoopResultBuilder]: For program point L448-1(lines 448 452) no Hoare annotation was computed. [2021-11-21 01:31:02,415 INFO L854 garLoopResultBuilder]: At program point L448-2(lines 448 452) the Hoare annotation is: false [2021-11-21 01:31:02,415 INFO L858 garLoopResultBuilder]: For program point L448-3(lines 448 452) no Hoare annotation was computed. [2021-11-21 01:31:02,416 INFO L854 garLoopResultBuilder]: At program point L581(line 581) the Hoare annotation is: (and (= |ULTIMATE.start_cos_float_~x#1| (fp.neg (_ +zero 8 24))) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0)) ~one_kcos~0)) [2021-11-21 01:31:02,416 INFO L858 garLoopResultBuilder]: For program point L581-1(line 581) no Hoare annotation was computed. [2021-11-21 01:31:02,416 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-21 01:31:02,416 INFO L858 garLoopResultBuilder]: For program point L317(line 317) no Hoare annotation was computed. [2021-11-21 01:31:02,416 INFO L858 garLoopResultBuilder]: For program point L251-2(lines 251 252) no Hoare annotation was computed. [2021-11-21 01:31:02,416 INFO L854 garLoopResultBuilder]: At program point L251-3(lines 251 252) the Hoare annotation is: false [2021-11-21 01:31:02,416 INFO L858 garLoopResultBuilder]: For program point L251-4(lines 249 266) no Hoare annotation was computed. [2021-11-21 01:31:02,416 INFO L858 garLoopResultBuilder]: For program point L483-2(lines 483 486) no Hoare annotation was computed. [2021-11-21 01:31:02,417 INFO L854 garLoopResultBuilder]: At program point L483-3(lines 483 486) the Hoare annotation is: false [2021-11-21 01:31:02,417 INFO L858 garLoopResultBuilder]: For program point L483-4(lines 483 486) no Hoare annotation was computed. [2021-11-21 01:31:02,417 INFO L858 garLoopResultBuilder]: For program point L318-2(lines 318 322) no Hoare annotation was computed. [2021-11-21 01:31:02,417 INFO L858 garLoopResultBuilder]: For program point L219(lines 171 341) no Hoare annotation was computed. [2021-11-21 01:31:02,417 INFO L854 garLoopResultBuilder]: At program point L318-3(lines 318 322) the Hoare annotation is: false [2021-11-21 01:31:02,417 INFO L858 garLoopResultBuilder]: For program point L318-4(lines 318 322) no Hoare annotation was computed. [2021-11-21 01:31:02,418 INFO L854 garLoopResultBuilder]: At program point L153(lines 141 154) the Hoare annotation is: false [2021-11-21 01:31:02,418 INFO L858 garLoopResultBuilder]: For program point L186-2(lines 186 187) no Hoare annotation was computed. [2021-11-21 01:31:02,418 INFO L854 garLoopResultBuilder]: At program point L186-3(lines 186 187) the Hoare annotation is: false [2021-11-21 01:31:02,418 INFO L858 garLoopResultBuilder]: For program point L186-4(lines 186 187) no Hoare annotation was computed. [2021-11-21 01:31:02,418 INFO L861 garLoopResultBuilder]: At program point L616(lines 601 617) the Hoare annotation is: true [2021-11-21 01:31:02,418 INFO L858 garLoopResultBuilder]: For program point L583(lines 583 598) no Hoare annotation was computed. [2021-11-21 01:31:02,419 INFO L858 garLoopResultBuilder]: For program point L187(line 187) no Hoare annotation was computed. [2021-11-21 01:31:02,419 INFO L858 garLoopResultBuilder]: For program point L187-2(line 187) no Hoare annotation was computed. [2021-11-21 01:31:02,419 INFO L858 garLoopResultBuilder]: For program point L55(lines 55 59) no Hoare annotation was computed. [2021-11-21 01:31:02,419 INFO L858 garLoopResultBuilder]: For program point L55-1(lines 20 61) no Hoare annotation was computed. [2021-11-21 01:31:02,419 INFO L858 garLoopResultBuilder]: For program point L55-2(lines 55 59) no Hoare annotation was computed. [2021-11-21 01:31:02,420 INFO L858 garLoopResultBuilder]: For program point L287(line 287) no Hoare annotation was computed. [2021-11-21 01:31:02,420 INFO L858 garLoopResultBuilder]: For program point L254-1(lines 254 255) no Hoare annotation was computed. [2021-11-21 01:31:02,420 INFO L858 garLoopResultBuilder]: For program point L254-3(lines 254 255) no Hoare annotation was computed. [2021-11-21 01:31:02,420 INFO L854 garLoopResultBuilder]: At program point L254-4(lines 254 255) the Hoare annotation is: false [2021-11-21 01:31:02,420 INFO L858 garLoopResultBuilder]: For program point L254-5(lines 254 255) no Hoare annotation was computed. [2021-11-21 01:31:02,420 INFO L858 garLoopResultBuilder]: For program point L23-1(lines 23 27) no Hoare annotation was computed. [2021-11-21 01:31:02,421 INFO L854 garLoopResultBuilder]: At program point L23-2(lines 23 27) the Hoare annotation is: false [2021-11-21 01:31:02,421 INFO L858 garLoopResultBuilder]: For program point L23-3(lines 23 27) no Hoare annotation was computed. [2021-11-21 01:31:02,421 INFO L858 garLoopResultBuilder]: For program point L288-2(lines 288 291) no Hoare annotation was computed. [2021-11-21 01:31:02,421 INFO L854 garLoopResultBuilder]: At program point L288-3(lines 288 291) the Hoare annotation is: false [2021-11-21 01:31:02,421 INFO L858 garLoopResultBuilder]: For program point L222-2(lines 222 231) no Hoare annotation was computed. [2021-11-21 01:31:02,421 INFO L858 garLoopResultBuilder]: For program point L288-4(lines 288 291) no Hoare annotation was computed. [2021-11-21 01:31:02,422 INFO L858 garLoopResultBuilder]: For program point L189-2(lines 189 193) no Hoare annotation was computed. [2021-11-21 01:31:02,422 INFO L854 garLoopResultBuilder]: At program point L222-3(lines 222 231) the Hoare annotation is: false [2021-11-21 01:31:02,422 INFO L854 garLoopResultBuilder]: At program point L189-3(lines 189 193) the Hoare annotation is: false [2021-11-21 01:31:02,422 INFO L858 garLoopResultBuilder]: For program point L222-4(lines 219 247) no Hoare annotation was computed. [2021-11-21 01:31:02,422 INFO L858 garLoopResultBuilder]: For program point L189-4(lines 189 193) no Hoare annotation was computed. [2021-11-21 01:31:02,422 INFO L858 garLoopResultBuilder]: For program point L454(lines 454 460) no Hoare annotation was computed. [2021-11-21 01:31:02,423 INFO L858 garLoopResultBuilder]: For program point L388-1(lines 388 392) no Hoare annotation was computed. [2021-11-21 01:31:02,423 INFO L854 garLoopResultBuilder]: At program point L388-2(lines 388 392) the Hoare annotation is: false [2021-11-21 01:31:02,423 INFO L858 garLoopResultBuilder]: For program point L388-3(lines 388 392) no Hoare annotation was computed. [2021-11-21 01:31:02,423 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-21 01:31:02,423 INFO L858 garLoopResultBuilder]: For program point L190-2(lines 190 191) no Hoare annotation was computed. [2021-11-21 01:31:02,424 INFO L854 garLoopResultBuilder]: At program point L190-3(lines 190 191) the Hoare annotation is: false [2021-11-21 01:31:02,424 INFO L858 garLoopResultBuilder]: For program point L190-4(lines 190 191) no Hoare annotation was computed. [2021-11-21 01:31:02,424 INFO L858 garLoopResultBuilder]: For program point L323-2(lines 323 327) no Hoare annotation was computed. [2021-11-21 01:31:02,424 INFO L858 garLoopResultBuilder]: For program point L224(lines 224 230) no Hoare annotation was computed. [2021-11-21 01:31:02,424 INFO L854 garLoopResultBuilder]: At program point L323-3(lines 323 327) the Hoare annotation is: false [2021-11-21 01:31:02,424 INFO L858 garLoopResultBuilder]: For program point L257-2(lines 257 262) no Hoare annotation was computed. [2021-11-21 01:31:02,425 INFO L858 garLoopResultBuilder]: For program point L323-4(lines 323 327) no Hoare annotation was computed. [2021-11-21 01:31:02,425 INFO L854 garLoopResultBuilder]: At program point L257-3(lines 257 262) the Hoare annotation is: false [2021-11-21 01:31:02,425 INFO L858 garLoopResultBuilder]: For program point L257-4(lines 257 262) no Hoare annotation was computed. [2021-11-21 01:31:02,425 INFO L858 garLoopResultBuilder]: For program point L588(lines 588 597) no Hoare annotation was computed. [2021-11-21 01:31:02,425 INFO L858 garLoopResultBuilder]: For program point L489-1(lines 489 490) no Hoare annotation was computed. [2021-11-21 01:31:02,425 INFO L854 garLoopResultBuilder]: At program point L489-3(lines 489 490) the Hoare annotation is: false [2021-11-21 01:31:02,426 INFO L858 garLoopResultBuilder]: For program point L489-4(lines 489 490) no Hoare annotation was computed. [2021-11-21 01:31:02,426 INFO L858 garLoopResultBuilder]: For program point L225(lines 225 228) no Hoare annotation was computed. [2021-11-21 01:31:02,426 INFO L854 garLoopResultBuilder]: At program point L60(lines 20 61) the Hoare annotation is: false [2021-11-21 01:31:02,426 INFO L858 garLoopResultBuilder]: For program point L589(line 589) no Hoare annotation was computed. [2021-11-21 01:31:02,426 INFO L858 garLoopResultBuilder]: For program point L424(lines 424 470) no Hoare annotation was computed. [2021-11-21 01:31:02,427 INFO L858 garLoopResultBuilder]: For program point L259-2(lines 259 260) no Hoare annotation was computed. [2021-11-21 01:31:02,427 INFO L854 garLoopResultBuilder]: At program point L259-3(lines 259 260) the Hoare annotation is: false [2021-11-21 01:31:02,427 INFO L858 garLoopResultBuilder]: For program point L259-4(lines 259 260) no Hoare annotation was computed. [2021-11-21 01:31:02,427 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-21 01:31:02,427 INFO L854 garLoopResultBuilder]: At program point L590(line 590) the Hoare annotation is: false [2021-11-21 01:31:02,427 INFO L858 garLoopResultBuilder]: For program point L590-1(line 590) no Hoare annotation was computed. [2021-11-21 01:31:02,428 INFO L858 garLoopResultBuilder]: For program point L293-2(lines 293 297) no Hoare annotation was computed. [2021-11-21 01:31:02,428 INFO L854 garLoopResultBuilder]: At program point L293-3(lines 293 297) the Hoare annotation is: false [2021-11-21 01:31:02,428 INFO L858 garLoopResultBuilder]: For program point L293-4(lines 293 297) no Hoare annotation was computed. [2021-11-21 01:31:02,428 INFO L858 garLoopResultBuilder]: For program point L591(line 591) no Hoare annotation was computed. [2021-11-21 01:31:02,428 INFO L858 garLoopResultBuilder]: For program point L492(lines 492 496) no Hoare annotation was computed. [2021-11-21 01:31:02,428 INFO L858 garLoopResultBuilder]: For program point L294-2(lines 294 295) no Hoare annotation was computed. [2021-11-21 01:31:02,429 INFO L854 garLoopResultBuilder]: At program point L294-3(lines 294 295) the Hoare annotation is: false [2021-11-21 01:31:02,429 INFO L858 garLoopResultBuilder]: For program point L294-4(lines 294 295) no Hoare annotation was computed. [2021-11-21 01:31:02,429 INFO L858 garLoopResultBuilder]: For program point L30(lines 30 54) no Hoare annotation was computed. [2021-11-21 01:31:02,429 INFO L854 garLoopResultBuilder]: At program point L592(line 592) the Hoare annotation is: false [2021-11-21 01:31:02,429 INFO L858 garLoopResultBuilder]: For program point L592-1(line 592) no Hoare annotation was computed. [2021-11-21 01:31:02,429 INFO L858 garLoopResultBuilder]: For program point L394(lines 394 398) no Hoare annotation was computed. [2021-11-21 01:31:02,429 INFO L858 garLoopResultBuilder]: For program point L328-2(lines 328 329) no Hoare annotation was computed. [2021-11-21 01:31:02,429 INFO L854 garLoopResultBuilder]: At program point L328-3(lines 328 329) the Hoare annotation is: false [2021-11-21 01:31:02,430 INFO L858 garLoopResultBuilder]: For program point L328-4(lines 299 339) no Hoare annotation was computed. [2021-11-21 01:31:02,430 INFO L858 garLoopResultBuilder]: For program point L31(lines 31 48) no Hoare annotation was computed. [2021-11-21 01:31:02,430 INFO L858 garLoopResultBuilder]: For program point L593(line 593) no Hoare annotation was computed. [2021-11-21 01:31:02,430 INFO L858 garLoopResultBuilder]: For program point L32(lines 32 38) no Hoare annotation was computed. [2021-11-21 01:31:02,430 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-21 01:31:02,431 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 613) no Hoare annotation was computed. [2021-11-21 01:31:02,431 INFO L854 garLoopResultBuilder]: At program point L594(line 594) the Hoare annotation is: false [2021-11-21 01:31:02,431 INFO L858 garLoopResultBuilder]: For program point L594-1(line 594) no Hoare annotation was computed. [2021-11-21 01:31:02,431 INFO L854 garLoopResultBuilder]: At program point L264(lines 171 341) the Hoare annotation is: false [2021-11-21 01:31:02,431 INFO L858 garLoopResultBuilder]: For program point L198-2(lines 198 202) no Hoare annotation was computed. [2021-11-21 01:31:02,431 INFO L854 garLoopResultBuilder]: At program point L198-3(lines 198 202) the Hoare annotation is: false [2021-11-21 01:31:02,432 INFO L854 garLoopResultBuilder]: At program point L198-4(lines 198 202) the Hoare annotation is: false [2021-11-21 01:31:02,432 INFO L858 garLoopResultBuilder]: For program point L33(lines 33 37) no Hoare annotation was computed. [2021-11-21 01:31:02,432 INFO L858 garLoopResultBuilder]: For program point L595(line 595) no Hoare annotation was computed. [2021-11-21 01:31:02,432 INFO L858 garLoopResultBuilder]: For program point L430(line 430) no Hoare annotation was computed. [2021-11-21 01:31:02,432 INFO L858 garLoopResultBuilder]: For program point L430-2(lines 430 462) no Hoare annotation was computed. [2021-11-21 01:31:02,432 INFO L858 garLoopResultBuilder]: For program point L232-1(lines 219 247) no Hoare annotation was computed. [2021-11-21 01:31:02,433 INFO L854 garLoopResultBuilder]: At program point L596(line 596) the Hoare annotation is: false [2021-11-21 01:31:02,433 INFO L858 garLoopResultBuilder]: For program point L596-1(line 596) no Hoare annotation was computed. [2021-11-21 01:31:02,433 INFO L854 garLoopResultBuilder]: At program point L497(lines 382 498) the Hoare annotation is: false [2021-11-21 01:31:02,433 INFO L858 garLoopResultBuilder]: For program point L464(lines 464 469) no Hoare annotation was computed. [2021-11-21 01:31:02,433 INFO L854 garLoopResultBuilder]: At program point L299(lines 299 339) the Hoare annotation is: false [2021-11-21 01:31:02,433 INFO L854 garLoopResultBuilder]: At program point L233(lines 233 240) the Hoare annotation is: false [2021-11-21 01:31:02,433 INFO L858 garLoopResultBuilder]: For program point L35(lines 35 37) no Hoare annotation was computed. [2021-11-21 01:31:02,434 INFO L861 garLoopResultBuilder]: At program point L118(line 118) the Hoare annotation is: true [2021-11-21 01:31:02,434 INFO L858 garLoopResultBuilder]: For program point L118-1(line 118) no Hoare annotation was computed. [2021-11-21 01:31:02,434 INFO L861 garLoopResultBuilder]: At program point L131(line 131) the Hoare annotation is: true [2021-11-21 01:31:02,434 INFO L858 garLoopResultBuilder]: For program point L131-1(line 131) no Hoare annotation was computed. [2021-11-21 01:31:02,434 INFO L858 garLoopResultBuilder]: For program point L127(lines 127 132) no Hoare annotation was computed. [2021-11-21 01:31:02,434 INFO L858 garLoopResultBuilder]: For program point L94-1(lines 94 98) no Hoare annotation was computed. [2021-11-21 01:31:02,434 INFO L861 garLoopResultBuilder]: At program point L94-2(lines 94 98) the Hoare annotation is: true [2021-11-21 01:31:02,434 INFO L858 garLoopResultBuilder]: For program point L94-3(lines 94 98) no Hoare annotation was computed. [2021-11-21 01:31:02,434 INFO L858 garLoopResultBuilder]: For program point L119(lines 119 126) no Hoare annotation was computed. [2021-11-21 01:31:02,434 INFO L858 garLoopResultBuilder]: For program point scalbn_floatFINAL(lines 90 140) no Hoare annotation was computed. [2021-11-21 01:31:02,435 INFO L858 garLoopResultBuilder]: For program point L107-1(lines 107 111) no Hoare annotation was computed. [2021-11-21 01:31:02,435 INFO L861 garLoopResultBuilder]: At program point L107-2(lines 107 111) the Hoare annotation is: true [2021-11-21 01:31:02,435 INFO L858 garLoopResultBuilder]: For program point L107-3(lines 107 111) no Hoare annotation was computed. [2021-11-21 01:31:02,435 INFO L858 garLoopResultBuilder]: For program point L103(lines 103 104) no Hoare annotation was computed. [2021-11-21 01:31:02,435 INFO L858 garLoopResultBuilder]: For program point L128(lines 128 131) no Hoare annotation was computed. [2021-11-21 01:31:02,435 INFO L858 garLoopResultBuilder]: For program point L120-1(lines 120 124) no Hoare annotation was computed. [2021-11-21 01:31:02,435 INFO L861 garLoopResultBuilder]: At program point L120-2(lines 120 124) the Hoare annotation is: true [2021-11-21 01:31:02,435 INFO L858 garLoopResultBuilder]: For program point L120-3(lines 120 124) no Hoare annotation was computed. [2021-11-21 01:31:02,435 INFO L858 garLoopResultBuilder]: For program point scalbn_floatEXIT(lines 90 140) no Hoare annotation was computed. [2021-11-21 01:31:02,435 INFO L861 garLoopResultBuilder]: At program point scalbn_floatENTRY(lines 90 140) the Hoare annotation is: true [2021-11-21 01:31:02,435 INFO L861 garLoopResultBuilder]: At program point L129(line 129) the Hoare annotation is: true [2021-11-21 01:31:02,436 INFO L858 garLoopResultBuilder]: For program point L129-1(line 129) no Hoare annotation was computed. [2021-11-21 01:31:02,436 INFO L858 garLoopResultBuilder]: For program point L117(lines 117 118) no Hoare annotation was computed. [2021-11-21 01:31:02,436 INFO L858 garLoopResultBuilder]: For program point L113(lines 113 114) no Hoare annotation was computed. [2021-11-21 01:31:02,436 INFO L858 garLoopResultBuilder]: For program point L105(lines 105 115) no Hoare annotation was computed. [2021-11-21 01:31:02,436 INFO L858 garLoopResultBuilder]: For program point L105-2(lines 105 115) no Hoare annotation was computed. [2021-11-21 01:31:02,436 INFO L858 garLoopResultBuilder]: For program point L101(lines 101 102) no Hoare annotation was computed. [2021-11-21 01:31:02,436 INFO L858 garLoopResultBuilder]: For program point L134-1(lines 134 138) no Hoare annotation was computed. [2021-11-21 01:31:02,436 INFO L861 garLoopResultBuilder]: At program point L134-2(lines 134 138) the Hoare annotation is: true [2021-11-21 01:31:02,436 INFO L858 garLoopResultBuilder]: For program point L134-3(lines 134 138) no Hoare annotation was computed. [2021-11-21 01:31:02,439 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-11-21 01:31:02,440 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-21 01:31:02,463 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___kernel_cosf_~ix~6_17,QUANTIFIED] [2021-11-21 01:31:02,464 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___kernel_cosf_~ix~6_17,QUANTIFIED] [2021-11-21 01:31:02,464 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___kernel_cosf_~ix~6_17,QUANTIFIED] [2021-11-21 01:31:02,464 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___kernel_cosf_~ix~6_17,QUANTIFIED] [2021-11-21 01:31:02,465 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___kernel_cosf_~ix~6_17,QUANTIFIED] [2021-11-21 01:31:02,465 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___kernel_cosf_~ix~6_17,QUANTIFIED] [2021-11-21 01:31:02,465 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___kernel_cosf_~ix~6_17,QUANTIFIED] [2021-11-21 01:31:02,465 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___kernel_cosf_~ix~6_17,QUANTIFIED] [2021-11-21 01:31:02,467 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 01:31:02 BoogieIcfgContainer [2021-11-21 01:31:02,467 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-21 01:31:02,467 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-21 01:31:02,468 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-21 01:31:02,468 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-21 01:31:02,468 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:30:11" (3/4) ... [2021-11-21 01:31:02,471 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-21 01:31:02,478 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __kernel_cosf [2021-11-21 01:31:02,478 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure copysign_float [2021-11-21 01:31:02,478 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __kernel_sinf [2021-11-21 01:31:02,479 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure scalbn_float [2021-11-21 01:31:02,499 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 75 nodes and edges [2021-11-21 01:31:02,502 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2021-11-21 01:31:02,504 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-21 01:31:02,507 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-21 01:31:02,537 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)) == one_kcos) || \old(x) == x [2021-11-21 01:31:02,537 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)) == one_kcos && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)) == \result [2021-11-21 01:31:02,538 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists v___kernel_cosf_~ix~6_17 : bv32 :: \old(x) == ~fp~LONGDOUBLE(v___kernel_cosf_~ix~6_17[31:31], v___kernel_cosf_~ix~6_17[30:23], v___kernel_cosf_~ix~6_17[22:0]) && !~bvslt32(~bvand32(2147483647bv32, v___kernel_cosf_~ix~6_17), 838860800bv32)) || !(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)) == one_kcos) [2021-11-21 01:31:02,894 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d222d02b-da48-4766-9d3a-e0472e9c282f/bin/utaipan-TEXQjIfE4P/witness.graphml [2021-11-21 01:31:02,894 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-21 01:31:02,895 INFO L158 Benchmark]: Toolchain (without parser) took 84665.34ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 35.7MB in the beginning and 31.8MB in the end (delta: 3.9MB). Peak memory consumption was 30.2MB. Max. memory is 16.1GB. [2021-11-21 01:31:02,895 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 58.7MB. Free memory was 39.9MB in the beginning and 39.8MB in the end (delta: 42.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 01:31:02,895 INFO L158 Benchmark]: CACSL2BoogieTranslator took 743.27ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 35.5MB in the beginning and 47.6MB in the end (delta: -12.1MB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB. [2021-11-21 01:31:02,896 INFO L158 Benchmark]: Boogie Procedure Inliner took 118.43ms. Allocated memory is still 71.3MB. Free memory was 47.6MB in the beginning and 40.5MB in the end (delta: 7.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-21 01:31:02,896 INFO L158 Benchmark]: Boogie Preprocessor took 188.86ms. Allocated memory is still 71.3MB. Free memory was 40.3MB in the beginning and 46.9MB in the end (delta: -6.6MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. [2021-11-21 01:31:02,897 INFO L158 Benchmark]: RCFGBuilder took 32582.80ms. Allocated memory is still 71.3MB. Free memory was 46.6MB in the beginning and 25.0MB in the end (delta: 21.6MB). Peak memory consumption was 22.5MB. Max. memory is 16.1GB. [2021-11-21 01:31:02,897 INFO L158 Benchmark]: TraceAbstraction took 50583.62ms. Allocated memory is still 71.3MB. Free memory was 24.7MB in the beginning and 42.0MB in the end (delta: -17.4MB). Peak memory consumption was 2.8MB. Max. memory is 16.1GB. [2021-11-21 01:31:02,898 INFO L158 Benchmark]: Witness Printer took 426.65ms. Allocated memory is still 71.3MB. Free memory was 42.0MB in the beginning and 31.8MB in the end (delta: 10.2MB). Peak memory consumption was 24.7MB. Max. memory is 16.1GB. [2021-11-21 01:31:02,901 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 58.7MB. Free memory was 39.9MB in the beginning and 39.8MB in the end (delta: 42.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 743.27ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 35.5MB in the beginning and 47.6MB in the end (delta: -12.1MB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 118.43ms. Allocated memory is still 71.3MB. Free memory was 47.6MB in the beginning and 40.5MB in the end (delta: 7.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 188.86ms. Allocated memory is still 71.3MB. Free memory was 40.3MB in the beginning and 46.9MB in the end (delta: -6.6MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. * RCFGBuilder took 32582.80ms. Allocated memory is still 71.3MB. Free memory was 46.6MB in the beginning and 25.0MB in the end (delta: 21.6MB). Peak memory consumption was 22.5MB. Max. memory is 16.1GB. * TraceAbstraction took 50583.62ms. Allocated memory is still 71.3MB. Free memory was 24.7MB in the beginning and 42.0MB in the end (delta: -17.4MB). Peak memory consumption was 2.8MB. Max. memory is 16.1GB. * Witness Printer took 426.65ms. Allocated memory is still 71.3MB. Free memory was 42.0MB in the beginning and 31.8MB in the end (delta: 10.2MB). Peak memory consumption was 24.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___kernel_cosf_~ix~6_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___kernel_cosf_~ix~6_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___kernel_cosf_~ix~6_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___kernel_cosf_~ix~6_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___kernel_cosf_~ix~6_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___kernel_cosf_~ix~6_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___kernel_cosf_~ix~6_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___kernel_cosf_~ix~6_17,QUANTIFIED] * 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 - PositiveResult [Line: 613]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 244 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 50.5s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 33.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 15 mSolverCounterUnknown, 48 SdHoareTripleChecker+Valid, 32.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 45 mSDsluCounter, 732 SdHoareTripleChecker+Invalid, 31.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 41 IncrementalHoareTripleChecker+Unchecked, 302 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 66 IncrementalHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 430 mSDtfsCounter, 66 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 157 GetRequests, 120 SyntacticMatches, 3 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 3.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=244occurred in iteration=0, InterpolantAutomatonStates: 27, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 61 LocationsWithAnnotation, 148 PreInvPairs, 155 NumberOfFragments, 133 HoareAnnotationTreeSize, 148 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 61 FomulaSimplificationsInter, 29 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 7.0s SatisfiabilityAnalysisTime, 8.0s InterpolantComputationTime, 79 NumberOfCodeBlocks, 79 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 148 ConstructedInterpolants, 20 QuantifiedInterpolants, 899 SizeOfPredicates, 19 NumberOfNonLiveVariables, 1804 ConjunctsInSsa, 31 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 569]: Loop Invariant Derived loop invariant: ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)) == one_kcos && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)) == \result - InvariantResult [Line: 508]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 198]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 294]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 170]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 601]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 299]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 222]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 535]: Loop Invariant Derived loop invariant: !(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)) == one_kcos) || \old(x) == x - InvariantResult [Line: 271]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 302]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 94]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 573]: Loop Invariant Derived loop invariant: x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)) == one_kcos - InvariantResult [Line: 251]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 120]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 257]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 293]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 189]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 186]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 107]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 254]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 388]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 478]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 555]: Loop Invariant [2021-11-21 01:31:02,934 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___kernel_cosf_~ix~6_17,QUANTIFIED] [2021-11-21 01:31:02,934 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___kernel_cosf_~ix~6_17,QUANTIFIED] [2021-11-21 01:31:02,934 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___kernel_cosf_~ix~6_17,QUANTIFIED] [2021-11-21 01:31:02,934 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___kernel_cosf_~ix~6_17,QUANTIFIED] [2021-11-21 01:31:02,935 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___kernel_cosf_~ix~6_17,QUANTIFIED] [2021-11-21 01:31:02,935 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___kernel_cosf_~ix~6_17,QUANTIFIED] [2021-11-21 01:31:02,935 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___kernel_cosf_~ix~6_17,QUANTIFIED] [2021-11-21 01:31:02,935 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___kernel_cosf_~ix~6_17,QUANTIFIED] Derived loop invariant: (\exists v___kernel_cosf_~ix~6_17 : bv32 :: \old(x) == ~fp~LONGDOUBLE(v___kernel_cosf_~ix~6_17[31:31], v___kernel_cosf_~ix~6_17[30:23], v___kernel_cosf_~ix~6_17[22:0]) && !~bvslt32(~bvand32(2147483647bv32, v___kernel_cosf_~ix~6_17), 838860800bv32)) || !(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)) == one_kcos) - InvariantResult [Line: 489]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 483]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 448]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 382]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 436]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 318]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 328]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 288]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 259]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 313]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 23]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 171]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 323]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 233]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-11-21 01:31:03,090 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d222d02b-da48-4766-9d3a-e0472e9c282f/bin/utaipan-TEXQjIfE4P/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 Writing output log to file Ultimate.log Result: TRUE