./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_1072d.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52fd5b2d-faf9-497f-bd9f-678c90845bf5/bin/uautomizer-w2VwFs6gM0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52fd5b2d-faf9-497f-bd9f-678c90845bf5/bin/uautomizer-w2VwFs6gM0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52fd5b2d-faf9-497f-bd9f-678c90845bf5/bin/uautomizer-w2VwFs6gM0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52fd5b2d-faf9-497f-bd9f-678c90845bf5/bin/uautomizer-w2VwFs6gM0/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1072d.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52fd5b2d-faf9-497f-bd9f-678c90845bf5/bin/uautomizer-w2VwFs6gM0/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52fd5b2d-faf9-497f-bd9f-678c90845bf5/bin/uautomizer-w2VwFs6gM0 --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4e7e90799b98dede4965ccf0fb7fd31a9423f1bb2f54cb6cc84937807506db5a --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 15:06:32,314 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 15:06:32,316 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 15:06:32,360 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 15:06:32,360 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 15:06:32,365 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 15:06:32,367 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 15:06:32,371 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 15:06:32,373 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 15:06:32,379 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 15:06:32,380 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 15:06:32,382 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 15:06:32,382 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 15:06:32,385 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 15:06:32,387 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 15:06:32,392 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 15:06:32,393 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 15:06:32,394 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 15:06:32,397 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 15:06:32,409 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 15:06:32,411 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 15:06:32,412 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 15:06:32,416 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 15:06:32,417 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 15:06:32,426 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 15:06:32,426 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 15:06:32,427 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 15:06:32,429 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 15:06:32,430 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 15:06:32,431 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 15:06:32,432 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 15:06:32,433 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 15:06:32,435 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 15:06:32,436 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 15:06:32,438 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 15:06:32,438 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 15:06:32,439 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 15:06:32,439 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 15:06:32,440 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 15:06:32,440 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 15:06:32,441 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 15:06:32,442 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52fd5b2d-faf9-497f-bd9f-678c90845bf5/bin/uautomizer-w2VwFs6gM0/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-22 15:06:32,489 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 15:06:32,490 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 15:06:32,490 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-22 15:06:32,491 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-22 15:06:32,498 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 15:06:32,498 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 15:06:32,499 INFO L138 SettingsManager]: * Use SBE=true [2021-11-22 15:06:32,499 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 15:06:32,499 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 15:06:32,499 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 15:06:32,501 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 15:06:32,505 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 15:06:32,505 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 15:06:32,506 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 15:06:32,506 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 15:06:32,506 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 15:06:32,506 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 15:06:32,507 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 15:06:32,507 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 15:06:32,507 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 15:06:32,507 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-22 15:06:32,507 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-22 15:06:32,508 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 15:06:32,508 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 15:06:32,508 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 15:06:32,508 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 15:06:32,509 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-22 15:06:32,509 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 15:06:32,509 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-22 15:06:32,511 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-22 15:06:32,511 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 15:06:32,512 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-22 15:06:32,512 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_52fd5b2d-faf9-497f-bd9f-678c90845bf5/bin/uautomizer-w2VwFs6gM0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52fd5b2d-faf9-497f-bd9f-678c90845bf5/bin/uautomizer-w2VwFs6gM0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4e7e90799b98dede4965ccf0fb7fd31a9423f1bb2f54cb6cc84937807506db5a [2021-11-22 15:06:32,795 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 15:06:32,815 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 15:06:32,818 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 15:06:32,819 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 15:06:32,820 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 15:06:32,821 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52fd5b2d-faf9-497f-bd9f-678c90845bf5/bin/uautomizer-w2VwFs6gM0/../../sv-benchmarks/c/float-newlib/double_req_bl_1072d.c [2021-11-22 15:06:32,887 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52fd5b2d-faf9-497f-bd9f-678c90845bf5/bin/uautomizer-w2VwFs6gM0/data/236390b65/9889f89d3b924d0c9f6860838cfe7b62/FLAG8cb08ff0a [2021-11-22 15:06:33,399 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 15:06:33,404 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52fd5b2d-faf9-497f-bd9f-678c90845bf5/sv-benchmarks/c/float-newlib/double_req_bl_1072d.c [2021-11-22 15:06:33,417 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52fd5b2d-faf9-497f-bd9f-678c90845bf5/bin/uautomizer-w2VwFs6gM0/data/236390b65/9889f89d3b924d0c9f6860838cfe7b62/FLAG8cb08ff0a [2021-11-22 15:06:33,855 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52fd5b2d-faf9-497f-bd9f-678c90845bf5/bin/uautomizer-w2VwFs6gM0/data/236390b65/9889f89d3b924d0c9f6860838cfe7b62 [2021-11-22 15:06:33,858 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 15:06:33,859 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 15:06:33,861 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 15:06:33,861 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 15:06:33,879 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 15:06:33,880 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 03:06:33" (1/1) ... [2021-11-22 15:06:33,881 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3bea142 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:06:33, skipping insertion in model container [2021-11-22 15:06:33,881 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 03:06:33" (1/1) ... [2021-11-22 15:06:33,889 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 15:06:33,905 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 15:06:34,110 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_52fd5b2d-faf9-497f-bd9f-678c90845bf5/sv-benchmarks/c/float-newlib/double_req_bl_1072d.c[2254,2267] [2021-11-22 15:06:34,113 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 15:06:34,120 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 15:06:34,148 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_52fd5b2d-faf9-497f-bd9f-678c90845bf5/sv-benchmarks/c/float-newlib/double_req_bl_1072d.c[2254,2267] [2021-11-22 15:06:34,149 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 15:06:34,163 INFO L208 MainTranslator]: Completed translation [2021-11-22 15:06:34,163 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:06:34 WrapperNode [2021-11-22 15:06:34,164 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 15:06:34,165 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 15:06:34,165 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 15:06:34,165 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 15:06:34,172 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:06:34" (1/1) ... [2021-11-22 15:06:34,181 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:06:34" (1/1) ... [2021-11-22 15:06:34,206 INFO L137 Inliner]: procedures = 17, calls = 34, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 111 [2021-11-22 15:06:34,207 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 15:06:34,208 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 15:06:34,208 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 15:06:34,208 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 15:06:34,215 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:06:34" (1/1) ... [2021-11-22 15:06:34,215 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:06:34" (1/1) ... [2021-11-22 15:06:34,218 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:06:34" (1/1) ... [2021-11-22 15:06:34,219 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:06:34" (1/1) ... [2021-11-22 15:06:34,226 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:06:34" (1/1) ... [2021-11-22 15:06:34,231 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:06:34" (1/1) ... [2021-11-22 15:06:34,233 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:06:34" (1/1) ... [2021-11-22 15:06:34,235 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 15:06:34,236 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 15:06:34,236 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 15:06:34,237 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 15:06:34,245 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:06:34" (1/1) ... [2021-11-22 15:06:34,254 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 15:06:34,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52fd5b2d-faf9-497f-bd9f-678c90845bf5/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:06:34,276 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52fd5b2d-faf9-497f-bd9f-678c90845bf5/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-22 15:06:34,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52fd5b2d-faf9-497f-bd9f-678c90845bf5/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-22 15:06:34,319 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 15:06:34,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 15:06:34,319 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-22 15:06:34,320 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-11-22 15:06:34,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-22 15:06:34,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-11-22 15:06:34,320 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 15:06:34,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 15:06:34,320 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-22 15:06:34,322 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-22 15:06:34,406 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 15:06:34,407 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 15:06:34,631 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 15:06:34,637 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 15:06:34,637 INFO L301 CfgBuilder]: Removed 10 assume(true) statements. [2021-11-22 15:06:34,639 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 03:06:34 BoogieIcfgContainer [2021-11-22 15:06:34,639 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 15:06:34,641 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-22 15:06:34,641 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-22 15:06:34,644 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-22 15:06:34,645 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 03:06:33" (1/3) ... [2021-11-22 15:06:34,645 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b73c4aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 03:06:34, skipping insertion in model container [2021-11-22 15:06:34,646 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:06:34" (2/3) ... [2021-11-22 15:06:34,646 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b73c4aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 03:06:34, skipping insertion in model container [2021-11-22 15:06:34,646 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 03:06:34" (3/3) ... [2021-11-22 15:06:34,647 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_1072d.c [2021-11-22 15:06:34,652 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-22 15:06:34,652 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-22 15:06:34,735 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-22 15:06:34,758 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=PETRI_NET, 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 [2021-11-22 15:06:34,758 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-22 15:06:34,773 INFO L276 IsEmpty]: Start isEmpty. Operand has 27 states, 25 states have (on average 1.64) internal successors, (41), 26 states have internal predecessors, (41), 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) [2021-11-22 15:06:34,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-22 15:06:34,778 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:06:34,779 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:06:34,779 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 15:06:34,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:06:34,784 INFO L85 PathProgramCache]: Analyzing trace with hash 748040733, now seen corresponding path program 1 times [2021-11-22 15:06:34,793 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:06:34,794 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653380817] [2021-11-22 15:06:34,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:06:34,795 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:06:34,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:06:34,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:06:34,923 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:06:34,924 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [653380817] [2021-11-22 15:06:34,925 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [653380817] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:06:34,925 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:06:34,925 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-22 15:06:34,927 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079399099] [2021-11-22 15:06:34,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:06:34,932 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-22 15:06:34,933 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:06:34,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-22 15:06:34,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-22 15:06:34,965 INFO L87 Difference]: Start difference. First operand has 27 states, 25 states have (on average 1.64) internal successors, (41), 26 states have internal predecessors, (41), 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) Second operand has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 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) [2021-11-22 15:06:34,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:06:34,983 INFO L93 Difference]: Finished difference Result 52 states and 80 transitions. [2021-11-22 15:06:34,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-22 15:06:34,988 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 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 13 [2021-11-22 15:06:34,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:06:35,001 INFO L225 Difference]: With dead ends: 52 [2021-11-22 15:06:35,001 INFO L226 Difference]: Without dead ends: 24 [2021-11-22 15:06:35,005 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 [2021-11-22 15:06:35,012 INFO L933 BasicCegarLoop]: 30 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, 30 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 [2021-11-22 15:06:35,014 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 15:06:35,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2021-11-22 15:06:35,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2021-11-22 15:06:35,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 23 states have (on average 1.173913043478261) internal successors, (27), 23 states have internal predecessors, (27), 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) [2021-11-22 15:06:35,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 27 transitions. [2021-11-22 15:06:35,057 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 27 transitions. Word has length 13 [2021-11-22 15:06:35,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:06:35,057 INFO L470 AbstractCegarLoop]: Abstraction has 24 states and 27 transitions. [2021-11-22 15:06:35,058 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 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) [2021-11-22 15:06:35,058 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2021-11-22 15:06:35,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 15:06:35,060 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:06:35,060 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:06:35,060 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-22 15:06:35,061 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 15:06:35,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:06:35,066 INFO L85 PathProgramCache]: Analyzing trace with hash 1214246053, now seen corresponding path program 1 times [2021-11-22 15:06:35,066 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:06:35,066 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495786577] [2021-11-22 15:06:35,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:06:35,067 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:06:35,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 15:06:35,246 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-22 15:06:35,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 15:06:35,389 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-22 15:06:35,390 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-22 15:06:35,391 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-22 15:06:35,393 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-22 15:06:35,397 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2021-11-22 15:06:35,400 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-22 15:06:35,429 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 03:06:35 BoogieIcfgContainer [2021-11-22 15:06:35,430 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-22 15:06:35,430 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-22 15:06:35,431 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-22 15:06:35,431 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-22 15:06:35,431 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 03:06:34" (3/4) ... [2021-11-22 15:06:35,434 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-22 15:06:35,435 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-22 15:06:35,436 INFO L158 Benchmark]: Toolchain (without parser) took 1576.17ms. Allocated memory is still 140.5MB. Free memory was 98.8MB in the beginning and 65.5MB in the end (delta: 33.3MB). Peak memory consumption was 31.1MB. Max. memory is 16.1GB. [2021-11-22 15:06:35,436 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 140.5MB. Free memory is still 115.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 15:06:35,437 INFO L158 Benchmark]: CACSL2BoogieTranslator took 302.95ms. Allocated memory is still 140.5MB. Free memory was 98.6MB in the beginning and 112.1MB in the end (delta: -13.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-22 15:06:35,437 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.38ms. Allocated memory is still 140.5MB. Free memory was 112.1MB in the beginning and 110.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-22 15:06:35,438 INFO L158 Benchmark]: Boogie Preprocessor took 28.06ms. Allocated memory is still 140.5MB. Free memory was 110.4MB in the beginning and 108.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-22 15:06:35,439 INFO L158 Benchmark]: RCFGBuilder took 403.15ms. Allocated memory is still 140.5MB. Free memory was 108.8MB in the beginning and 95.3MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-22 15:06:35,439 INFO L158 Benchmark]: TraceAbstraction took 788.90ms. Allocated memory is still 140.5MB. Free memory was 94.8MB in the beginning and 66.0MB in the end (delta: 28.9MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2021-11-22 15:06:35,440 INFO L158 Benchmark]: Witness Printer took 4.40ms. Allocated memory is still 140.5MB. Free memory is still 65.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 15:06:35,443 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 140.5MB. Free memory is still 115.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 302.95ms. Allocated memory is still 140.5MB. Free memory was 98.6MB in the beginning and 112.1MB in the end (delta: -13.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.38ms. Allocated memory is still 140.5MB. Free memory was 112.1MB in the beginning and 110.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.06ms. Allocated memory is still 140.5MB. Free memory was 110.4MB in the beginning and 108.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 403.15ms. Allocated memory is still 140.5MB. Free memory was 108.8MB in the beginning and 95.3MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 788.90ms. Allocated memory is still 140.5MB. Free memory was 94.8MB in the beginning and 66.0MB in the end (delta: 28.9MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Witness Printer took 4.40ms. Allocated memory is still 140.5MB. Free memory is still 65.5MB. 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: 91]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 74, overapproximation of someBinaryArithmeticDOUBLEoperation at line 51, overapproximation of bitwiseAnd at line 73. Possible FailurePath: [L86] double x = -1.0 / 0.0; [L87] CALL, EXPR trunc_double(x) [L20] int signbit; [L21] int msw; [L22] unsigned int lsw; [L23] int exponent_less_1023; VAL [\old(x)=4294967296, x=4294967296] [L25] ieee_double_shape_type ew_u; [L26] ew_u.value = (x) [L27] EXPR ew_u.parts.msw [L27] (msw) = ew_u.parts.msw [L28] EXPR ew_u.parts.lsw [L28] (lsw) = ew_u.parts.lsw [L30] signbit = msw & 0x80000000 [L31] exponent_less_1023 = ((msw & 0x7ff00000) >> 20) - 1023 VAL [\old(x)=4294967296, exponent_less_1023=1024, lsw=1, msw=0, signbit=7, x=4294967296] [L32] COND FALSE !(exponent_less_1023 < 20) VAL [\old(x)=4294967296, exponent_less_1023=1024, lsw=1, msw=0, signbit=7, x=4294967296] [L49] COND TRUE exponent_less_1023 > 51 VAL [\old(x)=4294967296, exponent_less_1023=1024, lsw=1, msw=0, signbit=7, x=4294967296] [L50] COND TRUE exponent_less_1023 == 1024 [L51] return x + x; VAL [\old(x)=4294967296, exponent_less_1023=1024, lsw=1, msw=0, signbit=7, x=4294967296] [L87] RET, EXPR trunc_double(x) [L87] double res = trunc_double(x); [L90] CALL, EXPR isinf_double(res) [L66] __int32_t hx, lx; VAL [\old(x)=4294967298, x=4294967298] [L68] ieee_double_shape_type ew_u; [L69] ew_u.value = (x) [L70] EXPR ew_u.parts.msw [L70] (hx) = ew_u.parts.msw [L71] EXPR ew_u.parts.lsw [L71] (lx) = ew_u.parts.lsw [L73] hx &= 0x7fffffff [L74] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L75] hx = 0x7ff00000 - hx [L76] return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31); VAL [\old(x)=4294967298, \result=0, hx=2146435073, lx=0, x=4294967298] [L90] RET, EXPR isinf_double(res) [L90] COND TRUE !isinf_double(res) [L91] reach_error() VAL [res=4294967298, x=4294967296] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 27 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 30 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 30 mSDtfsCounter, 0 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=27occurred 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, 0.0s InterpolantComputationTime, 28 NumberOfCodeBlocks, 28 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 12 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 [2021-11-22 15:06:35,492 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52fd5b2d-faf9-497f-bd9f-678c90845bf5/bin/uautomizer-w2VwFs6gM0/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_52fd5b2d-faf9-497f-bd9f-678c90845bf5/bin/uautomizer-w2VwFs6gM0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52fd5b2d-faf9-497f-bd9f-678c90845bf5/bin/uautomizer-w2VwFs6gM0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52fd5b2d-faf9-497f-bd9f-678c90845bf5/bin/uautomizer-w2VwFs6gM0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52fd5b2d-faf9-497f-bd9f-678c90845bf5/bin/uautomizer-w2VwFs6gM0/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1072d.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52fd5b2d-faf9-497f-bd9f-678c90845bf5/bin/uautomizer-w2VwFs6gM0/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52fd5b2d-faf9-497f-bd9f-678c90845bf5/bin/uautomizer-w2VwFs6gM0 --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4e7e90799b98dede4965ccf0fb7fd31a9423f1bb2f54cb6cc84937807506db5a --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 15:06:37,902 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 15:06:37,904 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 15:06:37,944 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 15:06:37,944 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 15:06:37,946 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 15:06:37,948 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 15:06:37,950 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 15:06:37,953 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 15:06:37,954 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 15:06:37,955 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 15:06:37,957 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 15:06:37,958 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 15:06:37,959 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 15:06:37,961 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 15:06:37,962 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 15:06:37,963 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 15:06:37,964 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 15:06:37,967 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 15:06:37,969 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 15:06:37,971 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 15:06:37,973 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 15:06:37,974 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 15:06:37,982 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 15:06:37,986 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 15:06:37,993 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 15:06:37,993 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 15:06:37,995 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 15:06:37,996 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 15:06:37,998 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 15:06:37,999 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 15:06:38,000 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 15:06:38,002 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 15:06:38,004 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 15:06:38,007 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 15:06:38,008 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 15:06:38,009 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 15:06:38,010 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 15:06:38,026 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 15:06:38,026 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 15:06:38,028 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 15:06:38,032 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52fd5b2d-faf9-497f-bd9f-678c90845bf5/bin/uautomizer-w2VwFs6gM0/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-11-22 15:06:38,073 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 15:06:38,079 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 15:06:38,080 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-22 15:06:38,080 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-22 15:06:38,083 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 15:06:38,083 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 15:06:38,083 INFO L138 SettingsManager]: * Use SBE=true [2021-11-22 15:06:38,083 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 15:06:38,083 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 15:06:38,084 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 15:06:38,085 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 15:06:38,085 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 15:06:38,085 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 15:06:38,085 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 15:06:38,085 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-22 15:06:38,086 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-22 15:06:38,086 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-22 15:06:38,086 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 15:06:38,086 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 15:06:38,086 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 15:06:38,087 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 15:06:38,087 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 15:06:38,087 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-22 15:06:38,087 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-22 15:06:38,087 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 15:06:38,088 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 15:06:38,088 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 15:06:38,088 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 15:06:38,088 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-11-22 15:06:38,088 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-22 15:06:38,089 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-22 15:06:38,089 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-22 15:06:38,089 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 15:06:38,089 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-22 15:06:38,090 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-22 15:06:38,090 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_52fd5b2d-faf9-497f-bd9f-678c90845bf5/bin/uautomizer-w2VwFs6gM0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52fd5b2d-faf9-497f-bd9f-678c90845bf5/bin/uautomizer-w2VwFs6gM0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4e7e90799b98dede4965ccf0fb7fd31a9423f1bb2f54cb6cc84937807506db5a [2021-11-22 15:06:38,482 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 15:06:38,508 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 15:06:38,511 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 15:06:38,513 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 15:06:38,513 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 15:06:38,515 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52fd5b2d-faf9-497f-bd9f-678c90845bf5/bin/uautomizer-w2VwFs6gM0/../../sv-benchmarks/c/float-newlib/double_req_bl_1072d.c [2021-11-22 15:06:38,597 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52fd5b2d-faf9-497f-bd9f-678c90845bf5/bin/uautomizer-w2VwFs6gM0/data/7b6ad52d2/27ebadb093a74c7e9c8d4ce6037b0056/FLAG9952616ab [2021-11-22 15:06:39,225 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 15:06:39,226 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52fd5b2d-faf9-497f-bd9f-678c90845bf5/sv-benchmarks/c/float-newlib/double_req_bl_1072d.c [2021-11-22 15:06:39,235 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52fd5b2d-faf9-497f-bd9f-678c90845bf5/bin/uautomizer-w2VwFs6gM0/data/7b6ad52d2/27ebadb093a74c7e9c8d4ce6037b0056/FLAG9952616ab [2021-11-22 15:06:39,557 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52fd5b2d-faf9-497f-bd9f-678c90845bf5/bin/uautomizer-w2VwFs6gM0/data/7b6ad52d2/27ebadb093a74c7e9c8d4ce6037b0056 [2021-11-22 15:06:39,559 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 15:06:39,560 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 15:06:39,562 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 15:06:39,562 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 15:06:39,569 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 15:06:39,569 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 03:06:39" (1/1) ... [2021-11-22 15:06:39,570 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f5b76c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:06:39, skipping insertion in model container [2021-11-22 15:06:39,571 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 03:06:39" (1/1) ... [2021-11-22 15:06:39,577 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 15:06:39,593 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 15:06:39,743 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_52fd5b2d-faf9-497f-bd9f-678c90845bf5/sv-benchmarks/c/float-newlib/double_req_bl_1072d.c[2254,2267] [2021-11-22 15:06:39,746 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 15:06:39,757 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 15:06:39,795 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_52fd5b2d-faf9-497f-bd9f-678c90845bf5/sv-benchmarks/c/float-newlib/double_req_bl_1072d.c[2254,2267] [2021-11-22 15:06:39,795 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 15:06:39,819 INFO L208 MainTranslator]: Completed translation [2021-11-22 15:06:39,820 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:06:39 WrapperNode [2021-11-22 15:06:39,820 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 15:06:39,821 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 15:06:39,821 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 15:06:39,821 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 15:06:39,829 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:06:39" (1/1) ... [2021-11-22 15:06:39,840 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:06:39" (1/1) ... [2021-11-22 15:06:39,882 INFO L137 Inliner]: procedures = 20, calls = 34, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 111 [2021-11-22 15:06:39,883 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 15:06:39,883 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 15:06:39,884 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 15:06:39,884 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 15:06:39,892 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:06:39" (1/1) ... [2021-11-22 15:06:39,892 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:06:39" (1/1) ... [2021-11-22 15:06:39,898 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:06:39" (1/1) ... [2021-11-22 15:06:39,898 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:06:39" (1/1) ... [2021-11-22 15:06:39,907 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:06:39" (1/1) ... [2021-11-22 15:06:39,912 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:06:39" (1/1) ... [2021-11-22 15:06:39,914 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:06:39" (1/1) ... [2021-11-22 15:06:39,918 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 15:06:39,919 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 15:06:39,919 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 15:06:39,919 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 15:06:39,920 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:06:39" (1/1) ... [2021-11-22 15:06:39,927 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 15:06:39,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52fd5b2d-faf9-497f-bd9f-678c90845bf5/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:06:39,949 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52fd5b2d-faf9-497f-bd9f-678c90845bf5/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-22 15:06:39,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52fd5b2d-faf9-497f-bd9f-678c90845bf5/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-22 15:06:40,013 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 15:06:40,013 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2021-11-22 15:06:40,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2021-11-22 15:06:40,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-22 15:06:40,014 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-22 15:06:40,016 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-22 15:06:40,016 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 15:06:40,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 15:06:40,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-22 15:06:40,016 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-22 15:06:40,102 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 15:06:40,104 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 15:06:40,390 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 15:06:40,396 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 15:06:40,396 INFO L301 CfgBuilder]: Removed 10 assume(true) statements. [2021-11-22 15:06:40,398 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 03:06:40 BoogieIcfgContainer [2021-11-22 15:06:40,399 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 15:06:40,400 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-22 15:06:40,401 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-22 15:06:40,403 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-22 15:06:40,404 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 03:06:39" (1/3) ... [2021-11-22 15:06:40,405 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f1039b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 03:06:40, skipping insertion in model container [2021-11-22 15:06:40,405 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:06:39" (2/3) ... [2021-11-22 15:06:40,405 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f1039b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 03:06:40, skipping insertion in model container [2021-11-22 15:06:40,406 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 03:06:40" (3/3) ... [2021-11-22 15:06:40,407 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_1072d.c [2021-11-22 15:06:40,412 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-22 15:06:40,413 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-22 15:06:40,487 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-22 15:06:40,498 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=PETRI_NET, 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 [2021-11-22 15:06:40,498 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-22 15:06:40,524 INFO L276 IsEmpty]: Start isEmpty. Operand has 27 states, 25 states have (on average 1.64) internal successors, (41), 26 states have internal predecessors, (41), 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) [2021-11-22 15:06:40,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-22 15:06:40,530 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:06:40,531 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:06:40,532 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 15:06:40,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:06:40,538 INFO L85 PathProgramCache]: Analyzing trace with hash 748040733, now seen corresponding path program 1 times [2021-11-22 15:06:40,550 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-22 15:06:40,550 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [181946813] [2021-11-22 15:06:40,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:06:40,552 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-22 15:06:40,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52fd5b2d-faf9-497f-bd9f-678c90845bf5/bin/uautomizer-w2VwFs6gM0/mathsat [2021-11-22 15:06:40,561 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52fd5b2d-faf9-497f-bd9f-678c90845bf5/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-22 15:06:40,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52fd5b2d-faf9-497f-bd9f-678c90845bf5/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-22 15:06:40,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:06:40,832 INFO L263 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-22 15:06:40,837 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 15:06:40,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:06:40,903 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 15:06:40,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:06:40,964 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-22 15:06:40,964 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [181946813] [2021-11-22 15:06:40,965 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [181946813] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-22 15:06:40,965 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:06:40,966 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-22 15:06:40,967 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343512128] [2021-11-22 15:06:40,968 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-22 15:06:40,972 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-22 15:06:40,972 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-22 15:06:41,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-22 15:06:41,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-22 15:06:41,017 INFO L87 Difference]: Start difference. First operand has 27 states, 25 states have (on average 1.64) internal successors, (41), 26 states have internal predecessors, (41), 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) Second operand has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 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) [2021-11-22 15:06:41,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:06:41,037 INFO L93 Difference]: Finished difference Result 52 states and 80 transitions. [2021-11-22 15:06:41,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-22 15:06:41,040 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 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 13 [2021-11-22 15:06:41,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:06:41,051 INFO L225 Difference]: With dead ends: 52 [2021-11-22 15:06:41,051 INFO L226 Difference]: Without dead ends: 24 [2021-11-22 15:06:41,059 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-22 15:06:41,065 INFO L933 BasicCegarLoop]: 30 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, 30 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 [2021-11-22 15:06:41,067 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 15:06:41,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2021-11-22 15:06:41,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2021-11-22 15:06:41,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 23 states have (on average 1.173913043478261) internal successors, (27), 23 states have internal predecessors, (27), 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) [2021-11-22 15:06:41,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 27 transitions. [2021-11-22 15:06:41,108 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 27 transitions. Word has length 13 [2021-11-22 15:06:41,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:06:41,108 INFO L470 AbstractCegarLoop]: Abstraction has 24 states and 27 transitions. [2021-11-22 15:06:41,109 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 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) [2021-11-22 15:06:41,109 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2021-11-22 15:06:41,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 15:06:41,111 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:06:41,112 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:06:41,133 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52fd5b2d-faf9-497f-bd9f-678c90845bf5/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-22 15:06:41,326 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52fd5b2d-faf9-497f-bd9f-678c90845bf5/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 [2021-11-22 15:06:41,326 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 15:06:41,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:06:41,327 INFO L85 PathProgramCache]: Analyzing trace with hash 1214246053, now seen corresponding path program 1 times [2021-11-22 15:06:41,328 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-22 15:06:41,331 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2091010688] [2021-11-22 15:06:41,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:06:41,332 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-22 15:06:41,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52fd5b2d-faf9-497f-bd9f-678c90845bf5/bin/uautomizer-w2VwFs6gM0/mathsat [2021-11-22 15:06:41,334 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52fd5b2d-faf9-497f-bd9f-678c90845bf5/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-22 15:06:41,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52fd5b2d-faf9-497f-bd9f-678c90845bf5/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-22 15:06:41,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:06:41,477 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-22 15:06:41,481 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 15:06:41,693 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 42 [2021-11-22 15:06:41,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:06:41,942 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 15:06:42,096 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 89 [2021-11-22 15:06:46,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:06:46,384 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-22 15:06:46,384 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2091010688] [2021-11-22 15:06:46,385 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2091010688] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-22 15:06:46,385 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:06:46,385 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 15 [2021-11-22 15:06:46,385 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315563449] [2021-11-22 15:06:46,386 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-22 15:06:46,387 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-11-22 15:06:46,387 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-22 15:06:46,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-11-22 15:06:46,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2021-11-22 15:06:46,389 INFO L87 Difference]: Start difference. First operand 24 states and 27 transitions. Second operand has 15 states, 15 states have (on average 1.9333333333333333) internal successors, (29), 15 states have internal predecessors, (29), 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) [2021-11-22 15:06:46,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:06:46,722 INFO L93 Difference]: Finished difference Result 33 states and 35 transitions. [2021-11-22 15:06:46,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-22 15:06:46,723 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 1.9333333333333333) internal successors, (29), 15 states have internal predecessors, (29), 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 15 [2021-11-22 15:06:46,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:06:46,724 INFO L225 Difference]: With dead ends: 33 [2021-11-22 15:06:46,724 INFO L226 Difference]: Without dead ends: 23 [2021-11-22 15:06:46,725 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=64, Invalid=242, Unknown=0, NotChecked=0, Total=306 [2021-11-22 15:06:46,726 INFO L933 BasicCegarLoop]: 19 mSDtfsCounter, 51 mSDsluCounter, 182 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 29 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-22 15:06:46,727 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [51 Valid, 201 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 36 Invalid, 0 Unknown, 29 Unchecked, 0.2s Time] [2021-11-22 15:06:46,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2021-11-22 15:06:46,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2021-11-22 15:06:46,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 22 states have (on average 1.0909090909090908) internal successors, (24), 22 states have internal predecessors, (24), 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) [2021-11-22 15:06:46,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 24 transitions. [2021-11-22 15:06:46,732 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 24 transitions. Word has length 15 [2021-11-22 15:06:46,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:06:46,732 INFO L470 AbstractCegarLoop]: Abstraction has 23 states and 24 transitions. [2021-11-22 15:06:46,732 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 1.9333333333333333) internal successors, (29), 15 states have internal predecessors, (29), 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) [2021-11-22 15:06:46,733 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 24 transitions. [2021-11-22 15:06:46,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 15:06:46,733 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:06:46,734 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:06:46,751 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52fd5b2d-faf9-497f-bd9f-678c90845bf5/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-22 15:06:46,952 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52fd5b2d-faf9-497f-bd9f-678c90845bf5/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 [2021-11-22 15:06:46,952 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 15:06:46,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:06:46,953 INFO L85 PathProgramCache]: Analyzing trace with hash 814434271, now seen corresponding path program 1 times [2021-11-22 15:06:46,954 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-22 15:06:46,954 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1326058969] [2021-11-22 15:06:46,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:06:46,955 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-22 15:06:46,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52fd5b2d-faf9-497f-bd9f-678c90845bf5/bin/uautomizer-w2VwFs6gM0/mathsat [2021-11-22 15:06:46,956 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52fd5b2d-faf9-497f-bd9f-678c90845bf5/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-22 15:06:46,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52fd5b2d-faf9-497f-bd9f-678c90845bf5/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-22 15:06:47,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:06:47,079 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 15:06:47,083 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 15:06:47,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:06:47,354 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 15:06:47,559 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:06:47,559 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-22 15:06:47,559 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1326058969] [2021-11-22 15:06:47,560 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1326058969] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-22 15:06:47,560 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:06:47,560 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-22 15:06:47,560 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232514398] [2021-11-22 15:06:47,560 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-22 15:06:47,561 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-22 15:06:47,561 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-22 15:06:47,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-22 15:06:47,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-22 15:06:47,562 INFO L87 Difference]: Start difference. First operand 23 states and 24 transitions. Second operand has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 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) [2021-11-22 15:06:47,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:06:47,584 INFO L93 Difference]: Finished difference Result 32 states and 32 transitions. [2021-11-22 15:06:47,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-22 15:06:47,586 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 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 17 [2021-11-22 15:06:47,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:06:47,586 INFO L225 Difference]: With dead ends: 32 [2021-11-22 15:06:47,586 INFO L226 Difference]: Without dead ends: 20 [2021-11-22 15:06:47,587 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-22 15:06:47,588 INFO L933 BasicCegarLoop]: 17 mSDtfsCounter, 0 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 11 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 15:06:47,589 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 83 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 11 Unchecked, 0.0s Time] [2021-11-22 15:06:47,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2021-11-22 15:06:47,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2021-11-22 15:06:47,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 19 states have (on average 1.0526315789473684) internal successors, (20), 19 states have internal predecessors, (20), 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) [2021-11-22 15:06:47,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 20 transitions. [2021-11-22 15:06:47,593 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 20 transitions. Word has length 17 [2021-11-22 15:06:47,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:06:47,594 INFO L470 AbstractCegarLoop]: Abstraction has 20 states and 20 transitions. [2021-11-22 15:06:47,594 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 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) [2021-11-22 15:06:47,594 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 20 transitions. [2021-11-22 15:06:47,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 15:06:47,595 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:06:47,595 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:06:47,613 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52fd5b2d-faf9-497f-bd9f-678c90845bf5/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-22 15:06:47,796 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52fd5b2d-faf9-497f-bd9f-678c90845bf5/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 [2021-11-22 15:06:47,796 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 15:06:47,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:06:47,797 INFO L85 PathProgramCache]: Analyzing trace with hash 2135587910, now seen corresponding path program 1 times [2021-11-22 15:06:47,797 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-22 15:06:47,797 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [699164545] [2021-11-22 15:06:47,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:06:47,797 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-22 15:06:47,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52fd5b2d-faf9-497f-bd9f-678c90845bf5/bin/uautomizer-w2VwFs6gM0/mathsat [2021-11-22 15:06:47,798 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52fd5b2d-faf9-497f-bd9f-678c90845bf5/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-22 15:06:47,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52fd5b2d-faf9-497f-bd9f-678c90845bf5/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-22 15:06:47,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:06:47,908 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 15:06:47,910 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 15:06:48,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:06:48,130 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 15:06:48,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:06:48,315 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-22 15:06:48,315 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [699164545] [2021-11-22 15:06:48,316 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [699164545] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-22 15:06:48,316 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:06:48,316 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-22 15:06:48,316 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848845878] [2021-11-22 15:06:48,316 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-22 15:06:48,317 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-22 15:06:48,317 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-22 15:06:48,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-22 15:06:48,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-22 15:06:48,318 INFO L87 Difference]: Start difference. First operand 20 states and 20 transitions. Second operand has 8 states, 8 states have (on average 2.75) internal successors, (22), 8 states have internal predecessors, (22), 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) [2021-11-22 15:06:48,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:06:48,325 INFO L93 Difference]: Finished difference Result 20 states and 20 transitions. [2021-11-22 15:06:48,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-22 15:06:48,327 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.75) internal successors, (22), 8 states have internal predecessors, (22), 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 17 [2021-11-22 15:06:48,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:06:48,327 INFO L225 Difference]: With dead ends: 20 [2021-11-22 15:06:48,327 INFO L226 Difference]: Without dead ends: 0 [2021-11-22 15:06:48,327 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-22 15:06:48,329 INFO L933 BasicCegarLoop]: 3 mSDtfsCounter, 0 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 4 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 15:06:48,329 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 11 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 4 Unchecked, 0.0s Time] [2021-11-22 15:06:48,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-22 15:06:48,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-22 15:06:48,330 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) [2021-11-22 15:06:48,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-22 15:06:48,330 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 17 [2021-11-22 15:06:48,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:06:48,331 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-22 15:06:48,331 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.75) internal successors, (22), 8 states have internal predecessors, (22), 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) [2021-11-22 15:06:48,331 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-22 15:06:48,331 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-22 15:06:48,334 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-22 15:06:48,358 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52fd5b2d-faf9-497f-bd9f-678c90845bf5/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-22 15:06:48,547 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52fd5b2d-faf9-497f-bd9f-678c90845bf5/bin/uautomizer-w2VwFs6gM0/mathsat -unsat_core_generation=3 [2021-11-22 15:06:48,549 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-22 15:06:48,647 INFO L858 garLoopResultBuilder]: For program point L32(lines 32 60) no Hoare annotation was computed. [2021-11-22 15:06:48,647 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-22 15:06:48,647 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-22 15:06:48,647 INFO L854 garLoopResultBuilder]: At program point L61(lines 19 62) the Hoare annotation is: (and (= |ULTIMATE.start_trunc_double_#res#1| (let ((.cse0 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) (_ +zero 11 53)))) (fp.add roundNearestTiesToEven .cse0 .cse0))) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53)) |ULTIMATE.start_trunc_double_~x#1|) (= currentRoundingMode roundNearestTiesToEven)) [2021-11-22 15:06:48,647 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-22 15:06:48,648 INFO L858 garLoopResultBuilder]: For program point L90(lines 90 93) no Hoare annotation was computed. [2021-11-22 15:06:48,648 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 91) no Hoare annotation was computed. [2021-11-22 15:06:48,648 INFO L858 garLoopResultBuilder]: For program point L24-1(lines 24 29) no Hoare annotation was computed. [2021-11-22 15:06:48,648 INFO L854 garLoopResultBuilder]: At program point L24-2(lines 24 29) the Hoare annotation is: (and (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53)) |ULTIMATE.start_trunc_double_~x#1|)) (= currentRoundingMode roundNearestTiesToEven)) [2021-11-22 15:06:48,648 INFO L858 garLoopResultBuilder]: For program point L24-3(lines 24 29) no Hoare annotation was computed. [2021-11-22 15:06:48,648 INFO L858 garLoopResultBuilder]: For program point L49(lines 49 60) no Hoare annotation was computed. [2021-11-22 15:06:48,648 INFO L858 garLoopResultBuilder]: For program point L41-1(lines 41 47) no Hoare annotation was computed. [2021-11-22 15:06:48,649 INFO L854 garLoopResultBuilder]: At program point L41-2(lines 41 47) the Hoare annotation is: false [2021-11-22 15:06:48,649 INFO L858 garLoopResultBuilder]: For program point L33(lines 33 48) no Hoare annotation was computed. [2021-11-22 15:06:48,649 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-22 15:06:48,649 INFO L861 garLoopResultBuilder]: At program point L95(lines 79 96) the Hoare annotation is: true [2021-11-22 15:06:48,649 INFO L858 garLoopResultBuilder]: For program point L91(line 91) no Hoare annotation was computed. [2021-11-22 15:06:48,649 INFO L858 garLoopResultBuilder]: For program point L54-1(lines 54 59) no Hoare annotation was computed. [2021-11-22 15:06:48,649 INFO L854 garLoopResultBuilder]: At program point L54-2(lines 54 59) the Hoare annotation is: false [2021-11-22 15:06:48,650 INFO L858 garLoopResultBuilder]: For program point L54-3(lines 32 60) no Hoare annotation was computed. [2021-11-22 15:06:48,650 INFO L858 garLoopResultBuilder]: For program point L50(lines 50 52) no Hoare annotation was computed. [2021-11-22 15:06:48,650 INFO L858 garLoopResultBuilder]: For program point L67-1(lines 67 72) no Hoare annotation was computed. [2021-11-22 15:06:48,650 INFO L858 garLoopResultBuilder]: For program point L34-1(lines 34 39) no Hoare annotation was computed. [2021-11-22 15:06:48,650 INFO L854 garLoopResultBuilder]: At program point L67-2(lines 67 72) the Hoare annotation is: (let ((.cse0 (let ((.cse1 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) (_ +zero 11 53)))) (fp.add roundNearestTiesToEven .cse1 .cse1)))) (and (= .cse0 |ULTIMATE.start_isinf_double_~x#1|) (= |ULTIMATE.start_trunc_double_#res#1| .cse0) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53)) |ULTIMATE.start_trunc_double_~x#1|) (= currentRoundingMode roundNearestTiesToEven))) [2021-11-22 15:06:48,650 INFO L854 garLoopResultBuilder]: At program point L34-2(lines 34 39) the Hoare annotation is: false [2021-11-22 15:06:48,650 INFO L858 garLoopResultBuilder]: For program point L67-3(lines 67 72) no Hoare annotation was computed. [2021-11-22 15:06:48,651 INFO L854 garLoopResultBuilder]: At program point L76(lines 65 77) the Hoare annotation is: (exists ((|v_skolemized_q#valueAsBitvector_5| (_ BitVec 64))) (and (= |ULTIMATE.start_isinf_double_#res#1| (bvadd (bvneg (bvlshr (let ((.cse0 (bvadd (_ bv2146435072 32) (bvneg (bvor (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_5|)) (bvlshr (let ((.cse1 ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_5|))) (bvor .cse1 (bvneg .cse1))) (_ bv31 32))))))) (bvor .cse0 (bvneg .cse0))) (_ bv31 32))) (_ bv1 32))) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_5|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_5|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_5|)) (let ((.cse2 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) (_ +zero 11 53)))) (fp.add roundNearestTiesToEven .cse2 .cse2))))) [2021-11-22 15:06:48,654 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2021-11-22 15:06:48,656 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-22 15:06:48,671 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-22 15:06:48,672 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-22 15:06:48,675 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-22 15:06:48,677 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-22 15:06:48,677 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-22 15:06:48,678 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-22 15:06:48,680 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-22 15:06:48,681 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-22 15:06:48,681 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-22 15:06:48,681 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-22 15:06:48,681 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-22 15:06:48,682 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-22 15:06:48,682 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-22 15:06:48,682 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-22 15:06:48,683 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-22 15:06:48,683 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-22 15:06:48,683 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-22 15:06:48,683 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-22 15:06:48,685 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-22 15:06:48,685 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-22 15:06:48,685 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-22 15:06:48,685 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-22 15:06:48,686 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-22 15:06:48,686 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-22 15:06:48,688 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-22 15:06:48,688 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-22 15:06:48,689 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-22 15:06:48,689 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-22 15:06:48,689 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-22 15:06:48,690 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-22 15:06:48,690 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-22 15:06:48,690 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-22 15:06:48,690 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-22 15:06:48,691 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-22 15:06:48,691 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-22 15:06:48,691 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-22 15:06:48,691 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-22 15:06:48,691 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-22 15:06:48,692 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-22 15:06:48,692 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-22 15:06:48,694 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2021-11-22 15:06:48,695 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2021-11-22 15:06:48,695 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2021-11-22 15:06:48,695 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2021-11-22 15:06:48,695 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2021-11-22 15:06:48,695 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2021-11-22 15:06:48,696 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2021-11-22 15:06:48,696 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2021-11-22 15:06:48,696 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2021-11-22 15:06:48,696 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-22 15:06:48,696 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-22 15:06:48,700 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-22 15:06:48,701 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-22 15:06:48,701 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-22 15:06:48,713 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2021-11-22 15:06:48,713 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2021-11-22 15:06:48,714 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2021-11-22 15:06:48,714 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2021-11-22 15:06:48,714 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2021-11-22 15:06:48,714 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2021-11-22 15:06:48,714 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2021-11-22 15:06:48,715 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2021-11-22 15:06:48,715 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2021-11-22 15:06:48,715 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-22 15:06:48,715 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-22 15:06:48,715 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-22 15:06:48,715 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-22 15:06:48,716 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-22 15:06:48,717 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 03:06:48 BoogieIcfgContainer [2021-11-22 15:06:48,717 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-22 15:06:48,718 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-22 15:06:48,719 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-22 15:06:48,719 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-22 15:06:48,720 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 03:06:40" (3/4) ... [2021-11-22 15:06:48,723 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-22 15:06:48,739 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-11-22 15:06:48,739 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-11-22 15:06:48,739 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-22 15:06:48,740 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-22 15:06:48,763 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~DOUBLE(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == x) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2021-11-22 15:06:48,764 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == ~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) && ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)), ~Pluszero~LONGDOUBLE()) == x) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2021-11-22 15:06:48,766 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) == x && \result == ~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()))) && ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)), ~Pluszero~LONGDOUBLE()) == x) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2021-11-22 15:06:48,766 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists v_skolemized_q#valueAsBitvector_5 : bv64 :: \result == ~bvadd64(~bvneg32(~bvlshr32(~bvor32(~bvadd64(2146435072bv32, ~bvneg32(~bvor32(~bvand32(2147483647bv32, v_skolemized_q#valueAsBitvector_5[63:32]), ~bvlshr32(~bvor32(v_skolemized_q#valueAsBitvector_5[31:0], ~bvneg32(v_skolemized_q#valueAsBitvector_5[31:0])), 31bv32)))), ~bvneg32(~bvadd64(2146435072bv32, ~bvneg32(~bvor32(~bvand32(2147483647bv32, v_skolemized_q#valueAsBitvector_5[63:32]), ~bvlshr32(~bvor32(v_skolemized_q#valueAsBitvector_5[31:0], ~bvneg32(v_skolemized_q#valueAsBitvector_5[31:0])), 31bv32)))))), 31bv32)), 1bv32) && ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_5[63:63], v_skolemized_q#valueAsBitvector_5[62:52], v_skolemized_q#valueAsBitvector_5[51:0]) == ~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()))) [2021-11-22 15:06:48,787 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52fd5b2d-faf9-497f-bd9f-678c90845bf5/bin/uautomizer-w2VwFs6gM0/witness.graphml [2021-11-22 15:06:48,787 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-22 15:06:48,788 INFO L158 Benchmark]: Toolchain (without parser) took 9227.29ms. Allocated memory was 75.5MB in the beginning and 111.1MB in the end (delta: 35.7MB). Free memory was 58.1MB in the beginning and 41.1MB in the end (delta: 17.0MB). Peak memory consumption was 52.1MB. Max. memory is 16.1GB. [2021-11-22 15:06:48,788 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 75.5MB. Free memory is still 55.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 15:06:48,789 INFO L158 Benchmark]: CACSL2BoogieTranslator took 258.56ms. Allocated memory is still 75.5MB. Free memory was 58.0MB in the beginning and 57.3MB in the end (delta: 626.0kB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. [2021-11-22 15:06:48,790 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.77ms. Allocated memory is still 75.5MB. Free memory was 57.2MB in the beginning and 55.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-22 15:06:48,790 INFO L158 Benchmark]: Boogie Preprocessor took 34.97ms. Allocated memory is still 75.5MB. Free memory was 55.4MB in the beginning and 53.8MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 15:06:48,790 INFO L158 Benchmark]: RCFGBuilder took 479.69ms. Allocated memory is still 75.5MB. Free memory was 53.8MB in the beginning and 40.8MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-22 15:06:48,791 INFO L158 Benchmark]: TraceAbstraction took 8316.92ms. Allocated memory was 75.5MB in the beginning and 111.1MB in the end (delta: 35.7MB). Free memory was 40.2MB in the beginning and 44.5MB in the end (delta: -4.2MB). Peak memory consumption was 32.4MB. Max. memory is 16.1GB. [2021-11-22 15:06:48,791 INFO L158 Benchmark]: Witness Printer took 69.49ms. Allocated memory is still 111.1MB. Free memory was 44.5MB in the beginning and 41.1MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-22 15:06:48,794 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 75.5MB. Free memory is still 55.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 258.56ms. Allocated memory is still 75.5MB. Free memory was 58.0MB in the beginning and 57.3MB in the end (delta: 626.0kB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.77ms. Allocated memory is still 75.5MB. Free memory was 57.2MB in the beginning and 55.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.97ms. Allocated memory is still 75.5MB. Free memory was 55.4MB in the beginning and 53.8MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 479.69ms. Allocated memory is still 75.5MB. Free memory was 53.8MB in the beginning and 40.8MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 8316.92ms. Allocated memory was 75.5MB in the beginning and 111.1MB in the end (delta: 35.7MB). Free memory was 40.2MB in the beginning and 44.5MB in the end (delta: -4.2MB). Peak memory consumption was 32.4MB. Max. memory is 16.1GB. * Witness Printer took 69.49ms. Allocated memory is still 111.1MB. Free memory was 44.5MB in the beginning and 41.1MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. 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[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * 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: 91]: 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 1 procedures, 27 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 8.2s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 51 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 51 mSDsluCounter, 325 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 44 IncrementalHoareTripleChecker+Unchecked, 256 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 44 IncrementalHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 69 mSDtfsCounter, 44 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 119 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 3.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=27occurred in iteration=0, InterpolantAutomatonStates: 21, 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, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 8 LocationsWithAnnotation, 8 PreInvPairs, 13 NumberOfFragments, 165 HoareAnnotationTreeSize, 8 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 8 FomulaSimplificationsInter, 9 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 5.9s InterpolantComputationTime, 62 NumberOfCodeBlocks, 62 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 116 ConstructedInterpolants, 23 QuantifiedInterpolants, 1200 SizeOfPredicates, 29 NumberOfNonLiveVariables, 204 ConjunctsInSsa, 33 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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: 54]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 24]: Loop Invariant [2021-11-22 15:06:48,827 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-22 15:06:48,827 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-22 15:06:48,827 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-22 15:06:48,828 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-22 15:06:48,829 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-11-22 15:06:48,829 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~DOUBLE(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == x) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 19]: Loop Invariant [2021-11-22 15:06:48,829 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-22 15:06:48,829 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-22 15:06:48,830 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-22 15:06:48,830 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-22 15:06:48,830 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-22 15:06:48,830 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-22 15:06:48,844 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-22 15:06:48,844 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-22 15:06:48,844 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-22 15:06:48,844 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-22 15:06:48,845 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-22 15:06:48,845 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (\result == ~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) && ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)), ~Pluszero~LONGDOUBLE()) == x) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 79]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 67]: Loop Invariant [2021-11-22 15:06:48,847 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-22 15:06:48,847 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-22 15:06:48,847 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-22 15:06:48,847 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-22 15:06:48,848 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-22 15:06:48,848 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-22 15:06:48,848 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-22 15:06:48,848 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-22 15:06:48,848 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-22 15:06:48,848 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-22 15:06:48,849 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-22 15:06:48,849 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-22 15:06:48,850 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-22 15:06:48,850 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-22 15:06:48,850 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-22 15:06:48,850 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-22 15:06:48,850 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-22 15:06:48,850 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-22 15:06:48,851 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-22 15:06:48,851 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-22 15:06:48,851 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-22 15:06:48,851 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) == x && \result == ~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()))) && ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)), ~Pluszero~LONGDOUBLE()) == x) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 34]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 65]: Loop Invariant [2021-11-22 15:06:48,852 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2021-11-22 15:06:48,852 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2021-11-22 15:06:48,852 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2021-11-22 15:06:48,852 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2021-11-22 15:06:48,853 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2021-11-22 15:06:48,853 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2021-11-22 15:06:48,853 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2021-11-22 15:06:48,853 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2021-11-22 15:06:48,853 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2021-11-22 15:06:48,853 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-22 15:06:48,854 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-22 15:06:48,854 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-22 15:06:48,854 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-22 15:06:48,854 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-22 15:06:48,854 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2021-11-22 15:06:48,855 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2021-11-22 15:06:48,855 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2021-11-22 15:06:48,855 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2021-11-22 15:06:48,855 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2021-11-22 15:06:48,855 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2021-11-22 15:06:48,856 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2021-11-22 15:06:48,856 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2021-11-22 15:06:48,856 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2021-11-22 15:06:48,856 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-22 15:06:48,856 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-22 15:06:48,856 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-22 15:06:48,857 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-22 15:06:48,857 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (\exists v_skolemized_q#valueAsBitvector_5 : bv64 :: \result == ~bvadd64(~bvneg32(~bvlshr32(~bvor32(~bvadd64(2146435072bv32, ~bvneg32(~bvor32(~bvand32(2147483647bv32, v_skolemized_q#valueAsBitvector_5[63:32]), ~bvlshr32(~bvor32(v_skolemized_q#valueAsBitvector_5[31:0], ~bvneg32(v_skolemized_q#valueAsBitvector_5[31:0])), 31bv32)))), ~bvneg32(~bvadd64(2146435072bv32, ~bvneg32(~bvor32(~bvand32(2147483647bv32, v_skolemized_q#valueAsBitvector_5[63:32]), ~bvlshr32(~bvor32(v_skolemized_q#valueAsBitvector_5[31:0], ~bvneg32(v_skolemized_q#valueAsBitvector_5[31:0])), 31bv32)))))), 31bv32)), 1bv32) && ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_5[63:63], v_skolemized_q#valueAsBitvector_5[62:52], v_skolemized_q#valueAsBitvector_5[51:0]) == ~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()))) - InvariantResult [Line: 41]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-11-22 15:06:48,902 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52fd5b2d-faf9-497f-bd9f-678c90845bf5/bin/uautomizer-w2VwFs6gM0/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