./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_1072c.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e33f7f-9c62-4d7e-8821-09fbf9f8b736/bin/uautomizer-ZXIjhQolGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e33f7f-9c62-4d7e-8821-09fbf9f8b736/bin/uautomizer-ZXIjhQolGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e33f7f-9c62-4d7e-8821-09fbf9f8b736/bin/uautomizer-ZXIjhQolGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e33f7f-9c62-4d7e-8821-09fbf9f8b736/bin/uautomizer-ZXIjhQolGL/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1072c.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e33f7f-9c62-4d7e-8821-09fbf9f8b736/bin/uautomizer-ZXIjhQolGL/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e33f7f-9c62-4d7e-8821-09fbf9f8b736/bin/uautomizer-ZXIjhQolGL --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 7dedcc4e0d73f8d6f04d58880e42c68da67c7fd6d90a8920279134db43221c4a --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 04:47:38,490 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 04:47:38,493 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 04:47:38,531 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 04:47:38,531 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 04:47:38,533 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 04:47:38,535 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 04:47:38,538 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 04:47:38,541 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 04:47:38,542 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 04:47:38,544 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 04:47:38,545 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 04:47:38,546 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 04:47:38,547 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 04:47:38,549 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 04:47:38,551 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 04:47:38,553 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 04:47:38,554 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 04:47:38,556 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 04:47:38,559 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 04:47:38,562 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 04:47:38,563 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 04:47:38,565 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 04:47:38,566 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 04:47:38,570 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 04:47:38,571 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 04:47:38,572 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 04:47:38,573 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 04:47:38,574 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 04:47:38,575 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 04:47:38,575 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 04:47:38,576 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 04:47:38,577 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 04:47:38,578 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 04:47:38,580 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 04:47:38,580 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 04:47:38,581 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 04:47:38,581 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 04:47:38,582 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 04:47:38,583 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 04:47:38,584 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 04:47:38,585 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e33f7f-9c62-4d7e-8821-09fbf9f8b736/bin/uautomizer-ZXIjhQolGL/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-19 04:47:38,612 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 04:47:38,613 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 04:47:38,613 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-19 04:47:38,613 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-19 04:47:38,614 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 04:47:38,615 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 04:47:38,616 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-19 04:47:38,616 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-19 04:47:38,617 INFO L138 SettingsManager]: * Use SBE=true [2021-11-19 04:47:38,617 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 04:47:38,617 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-19 04:47:38,618 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 04:47:38,618 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-19 04:47:38,619 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 04:47:38,619 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 04:47:38,619 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 04:47:38,620 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 04:47:38,620 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-19 04:47:38,621 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 04:47:38,621 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 04:47:38,621 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 04:47:38,622 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 04:47:38,622 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 04:47:38,623 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 04:47:38,623 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 04:47:38,624 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 04:47:38,624 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 04:47:38,624 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 04:47:38,625 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-19 04:47:38,625 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 04:47:38,625 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-19 04:47:38,626 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-19 04:47:38,626 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 04:47:38,626 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 04:47:38,627 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_15e33f7f-9c62-4d7e-8821-09fbf9f8b736/bin/uautomizer-ZXIjhQolGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e33f7f-9c62-4d7e-8821-09fbf9f8b736/bin/uautomizer-ZXIjhQolGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7dedcc4e0d73f8d6f04d58880e42c68da67c7fd6d90a8920279134db43221c4a [2021-11-19 04:47:38,933 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 04:47:38,975 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 04:47:38,979 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 04:47:38,980 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 04:47:38,981 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 04:47:38,983 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e33f7f-9c62-4d7e-8821-09fbf9f8b736/bin/uautomizer-ZXIjhQolGL/../../sv-benchmarks/c/float-newlib/double_req_bl_1072c.c [2021-11-19 04:47:39,059 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e33f7f-9c62-4d7e-8821-09fbf9f8b736/bin/uautomizer-ZXIjhQolGL/data/e422dba4e/3f11b98f25994f6c89244ab7ad024f95/FLAG0e3fb8fba [2021-11-19 04:47:39,531 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 04:47:39,536 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e33f7f-9c62-4d7e-8821-09fbf9f8b736/sv-benchmarks/c/float-newlib/double_req_bl_1072c.c [2021-11-19 04:47:39,548 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e33f7f-9c62-4d7e-8821-09fbf9f8b736/bin/uautomizer-ZXIjhQolGL/data/e422dba4e/3f11b98f25994f6c89244ab7ad024f95/FLAG0e3fb8fba [2021-11-19 04:47:39,891 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e33f7f-9c62-4d7e-8821-09fbf9f8b736/bin/uautomizer-ZXIjhQolGL/data/e422dba4e/3f11b98f25994f6c89244ab7ad024f95 [2021-11-19 04:47:39,894 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 04:47:39,895 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 04:47:39,897 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 04:47:39,897 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 04:47:39,900 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 04:47:39,901 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:47:39" (1/1) ... [2021-11-19 04:47:39,902 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42105c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:39, skipping insertion in model container [2021-11-19 04:47:39,902 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:47:39" (1/1) ... [2021-11-19 04:47:39,924 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 04:47:39,937 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 04:47:40,140 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_15e33f7f-9c62-4d7e-8821-09fbf9f8b736/sv-benchmarks/c/float-newlib/double_req_bl_1072c.c[2112,2125] [2021-11-19 04:47:40,143 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 04:47:40,151 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 04:47:40,178 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_15e33f7f-9c62-4d7e-8821-09fbf9f8b736/sv-benchmarks/c/float-newlib/double_req_bl_1072c.c[2112,2125] [2021-11-19 04:47:40,179 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 04:47:40,193 INFO L208 MainTranslator]: Completed translation [2021-11-19 04:47:40,199 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:40 WrapperNode [2021-11-19 04:47:40,199 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 04:47:40,201 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 04:47:40,201 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 04:47:40,201 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 04:47:40,209 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:40" (1/1) ... [2021-11-19 04:47:40,232 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:40" (1/1) ... [2021-11-19 04:47:40,267 INFO L137 Inliner]: procedures = 17, calls = 33, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 109 [2021-11-19 04:47:40,267 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 04:47:40,269 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 04:47:40,269 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 04:47:40,269 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 04:47:40,277 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:40" (1/1) ... [2021-11-19 04:47:40,278 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:40" (1/1) ... [2021-11-19 04:47:40,285 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:40" (1/1) ... [2021-11-19 04:47:40,286 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:40" (1/1) ... [2021-11-19 04:47:40,308 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:40" (1/1) ... [2021-11-19 04:47:40,313 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:40" (1/1) ... [2021-11-19 04:47:40,314 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:40" (1/1) ... [2021-11-19 04:47:40,317 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 04:47:40,319 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 04:47:40,319 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 04:47:40,319 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 04:47:40,320 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:40" (1/1) ... [2021-11-19 04:47:40,337 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 04:47:40,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e33f7f-9c62-4d7e-8821-09fbf9f8b736/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 04:47:40,372 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e33f7f-9c62-4d7e-8821-09fbf9f8b736/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 04:47:40,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e33f7f-9c62-4d7e-8821-09fbf9f8b736/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 04:47:40,425 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 04:47:40,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-19 04:47:40,426 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-19 04:47:40,426 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-11-19 04:47:40,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-19 04:47:40,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-11-19 04:47:40,427 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 04:47:40,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 04:47:40,427 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-19 04:47:40,427 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-19 04:47:40,532 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 04:47:40,534 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 04:47:40,835 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 04:47:40,841 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 04:47:40,844 INFO L301 CfgBuilder]: Removed 10 assume(true) statements. [2021-11-19 04:47:40,847 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:47:40 BoogieIcfgContainer [2021-11-19 04:47:40,848 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 04:47:40,851 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 04:47:40,851 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 04:47:40,855 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 04:47:40,855 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:47:39" (1/3) ... [2021-11-19 04:47:40,857 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f05d5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:47:40, skipping insertion in model container [2021-11-19 04:47:40,857 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:40" (2/3) ... [2021-11-19 04:47:40,857 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f05d5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:47:40, skipping insertion in model container [2021-11-19 04:47:40,858 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:47:40" (3/3) ... [2021-11-19 04:47:40,865 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_1072c.c [2021-11-19 04:47:40,871 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 04:47:40,871 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-19 04:47:40,939 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-19 04:47:40,949 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 [2021-11-19 04:47:40,949 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-19 04:47:40,972 INFO L276 IsEmpty]: Start isEmpty. Operand has 28 states, 26 states have (on average 1.6538461538461537) internal successors, (43), 27 states have internal predecessors, (43), 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) [2021-11-19 04:47:40,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-19 04:47:40,987 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 04:47:40,988 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 04:47:40,989 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 04:47:40,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:47:40,995 INFO L85 PathProgramCache]: Analyzing trace with hash 166150340, now seen corresponding path program 1 times [2021-11-19 04:47:41,005 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:47:41,005 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851650905] [2021-11-19 04:47:41,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:47:41,007 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:47:41,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:47:41,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 04:47:41,220 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 04:47:41,220 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [851650905] [2021-11-19 04:47:41,221 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [851650905] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 04:47:41,221 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:47:41,221 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-19 04:47:41,223 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979275037] [2021-11-19 04:47:41,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 04:47:41,230 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-19 04:47:41,230 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 04:47:41,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-19 04:47:41,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-19 04:47:41,268 INFO L87 Difference]: Start difference. First operand has 28 states, 26 states have (on average 1.6538461538461537) internal successors, (43), 27 states have internal predecessors, (43), 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 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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) [2021-11-19 04:47:41,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 04:47:41,292 INFO L93 Difference]: Finished difference Result 54 states and 84 transitions. [2021-11-19 04:47:41,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 04:47:41,295 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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 11 [2021-11-19 04:47:41,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 04:47:41,304 INFO L225 Difference]: With dead ends: 54 [2021-11-19 04:47:41,304 INFO L226 Difference]: Without dead ends: 25 [2021-11-19 04:47:41,308 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 [2021-11-19 04:47:41,313 INFO L933 BasicCegarLoop]: 32 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, 32 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 [2021-11-19 04:47:41,314 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 04:47:41,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2021-11-19 04:47:41,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2021-11-19 04:47:41,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 24 states have (on average 1.2083333333333333) internal successors, (29), 24 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) [2021-11-19 04:47:41,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 29 transitions. [2021-11-19 04:47:41,356 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 29 transitions. Word has length 11 [2021-11-19 04:47:41,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 04:47:41,357 INFO L470 AbstractCegarLoop]: Abstraction has 25 states and 29 transitions. [2021-11-19 04:47:41,358 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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) [2021-11-19 04:47:41,358 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2021-11-19 04:47:41,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-19 04:47:41,359 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 04:47:41,359 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 04:47:41,360 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-19 04:47:41,361 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 04:47:41,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:47:41,363 INFO L85 PathProgramCache]: Analyzing trace with hash 786071265, now seen corresponding path program 1 times [2021-11-19 04:47:41,363 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 04:47:41,363 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432360486] [2021-11-19 04:47:41,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:47:41,364 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 04:47:41,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 04:47:41,463 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-19 04:47:41,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 04:47:41,554 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-19 04:47:41,555 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-19 04:47:41,558 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-19 04:47:41,560 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-19 04:47:41,567 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2021-11-19 04:47:41,571 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-19 04:47:41,609 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 04:47:41 BoogieIcfgContainer [2021-11-19 04:47:41,610 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-19 04:47:41,610 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-19 04:47:41,611 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-19 04:47:41,611 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-19 04:47:41,611 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:47:40" (3/4) ... [2021-11-19 04:47:41,615 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-19 04:47:41,615 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-19 04:47:41,617 INFO L158 Benchmark]: Toolchain (without parser) took 1720.91ms. Allocated memory was 83.9MB in the beginning and 111.1MB in the end (delta: 27.3MB). Free memory was 46.1MB in the beginning and 74.4MB in the end (delta: -28.4MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 04:47:41,617 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 83.9MB. Free memory was 62.3MB in the beginning and 62.3MB in the end (delta: 46.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 04:47:41,621 INFO L158 Benchmark]: CACSL2BoogieTranslator took 302.66ms. Allocated memory was 83.9MB in the beginning and 111.1MB in the end (delta: 27.3MB). Free memory was 45.8MB in the beginning and 87.0MB in the end (delta: -41.1MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. [2021-11-19 04:47:41,623 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.02ms. Allocated memory is still 111.1MB. Free memory was 86.7MB in the beginning and 85.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-19 04:47:41,626 INFO L158 Benchmark]: Boogie Preprocessor took 48.96ms. Allocated memory is still 111.1MB. Free memory was 85.0MB in the beginning and 83.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 04:47:41,627 INFO L158 Benchmark]: RCFGBuilder took 529.40ms. Allocated memory is still 111.1MB. Free memory was 83.4MB in the beginning and 71.1MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-19 04:47:41,627 INFO L158 Benchmark]: TraceAbstraction took 758.61ms. Allocated memory is still 111.1MB. Free memory was 70.5MB in the beginning and 74.9MB in the end (delta: -4.4MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 04:47:41,627 INFO L158 Benchmark]: Witness Printer took 5.13ms. Allocated memory is still 111.1MB. Free memory was 74.9MB in the beginning and 74.4MB in the end (delta: 517.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 04:47:41,636 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 83.9MB. Free memory was 62.3MB in the beginning and 62.3MB in the end (delta: 46.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 302.66ms. Allocated memory was 83.9MB in the beginning and 111.1MB in the end (delta: 27.3MB). Free memory was 45.8MB in the beginning and 87.0MB in the end (delta: -41.1MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.02ms. Allocated memory is still 111.1MB. Free memory was 86.7MB in the beginning and 85.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.96ms. Allocated memory is still 111.1MB. Free memory was 85.0MB in the beginning and 83.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 529.40ms. Allocated memory is still 111.1MB. Free memory was 83.4MB in the beginning and 71.1MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 758.61ms. Allocated memory is still 111.1MB. Free memory was 70.5MB in the beginning and 74.9MB in the end (delta: -4.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.13ms. Allocated memory is still 111.1MB. Free memory was 74.9MB in the beginning and 74.4MB in the end (delta: 517.3kB). 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: 88]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someUnaryDOUBLEoperation at line 83, overapproximation of bitwiseAnd at line 30, overapproximation of someBinaryArithmeticDOUBLEoperation at line 51, overapproximation of someBinaryDOUBLEComparisonOperation at line 87. Possible FailurePath: [L83] double x = -0.0; [L84] 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=-2, signbit=-1, x=4294967296] [L32] COND FALSE !(exponent_less_1023 < 20) VAL [\old(x)=4294967296, exponent_less_1023=1024, lsw=1, msw=-2, signbit=-1, x=4294967296] [L49] COND TRUE exponent_less_1023 > 51 VAL [\old(x)=4294967296, exponent_less_1023=1024, lsw=1, msw=-2, signbit=-1, x=4294967296] [L50] COND TRUE exponent_less_1023 == 1024 [L51] return x + x; VAL [\old(x)=4294967296, exponent_less_1023=1024, lsw=1, msw=-2, signbit=-1, x=4294967296] [L84] RET, EXPR trunc_double(x) [L84] double res = trunc_double(x); [L87] EXPR res == -0.0 && __signbit_double(res) == 1 VAL [res=4294967298, res == -0.0 && __signbit_double(res) == 1=0, x=4294967296] [L87] COND TRUE !(res == -0.0 && __signbit_double(res) == 1) [L88] reach_error() VAL [res=4294967298, x=4294967296] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 28 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, 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, 32 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, 32 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=28occurred 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, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 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 [2021-11-19 04:47:41,703 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e33f7f-9c62-4d7e-8821-09fbf9f8b736/bin/uautomizer-ZXIjhQolGL/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_15e33f7f-9c62-4d7e-8821-09fbf9f8b736/bin/uautomizer-ZXIjhQolGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e33f7f-9c62-4d7e-8821-09fbf9f8b736/bin/uautomizer-ZXIjhQolGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e33f7f-9c62-4d7e-8821-09fbf9f8b736/bin/uautomizer-ZXIjhQolGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e33f7f-9c62-4d7e-8821-09fbf9f8b736/bin/uautomizer-ZXIjhQolGL/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1072c.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e33f7f-9c62-4d7e-8821-09fbf9f8b736/bin/uautomizer-ZXIjhQolGL/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e33f7f-9c62-4d7e-8821-09fbf9f8b736/bin/uautomizer-ZXIjhQolGL --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 7dedcc4e0d73f8d6f04d58880e42c68da67c7fd6d90a8920279134db43221c4a --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 04:47:44,329 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 04:47:44,333 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 04:47:44,389 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 04:47:44,390 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 04:47:44,395 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 04:47:44,397 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 04:47:44,404 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 04:47:44,407 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 04:47:44,413 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 04:47:44,415 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 04:47:44,417 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 04:47:44,418 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 04:47:44,421 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 04:47:44,423 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 04:47:44,428 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 04:47:44,430 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 04:47:44,431 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 04:47:44,445 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 04:47:44,448 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 04:47:44,450 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 04:47:44,452 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 04:47:44,454 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 04:47:44,455 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 04:47:44,459 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 04:47:44,460 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 04:47:44,460 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 04:47:44,462 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 04:47:44,463 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 04:47:44,464 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 04:47:44,465 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 04:47:44,466 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 04:47:44,467 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 04:47:44,468 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 04:47:44,469 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 04:47:44,470 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 04:47:44,471 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 04:47:44,471 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 04:47:44,472 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 04:47:44,473 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 04:47:44,474 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 04:47:44,475 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e33f7f-9c62-4d7e-8821-09fbf9f8b736/bin/uautomizer-ZXIjhQolGL/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-11-19 04:47:44,503 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 04:47:44,503 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 04:47:44,504 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-19 04:47:44,504 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-19 04:47:44,505 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 04:47:44,506 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 04:47:44,506 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-19 04:47:44,507 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-19 04:47:44,507 INFO L138 SettingsManager]: * Use SBE=true [2021-11-19 04:47:44,508 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 04:47:44,508 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-19 04:47:44,508 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-19 04:47:44,509 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 04:47:44,509 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 04:47:44,509 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 04:47:44,510 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 04:47:44,510 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-19 04:47:44,510 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-19 04:47:44,511 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-19 04:47:44,511 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 04:47:44,511 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 04:47:44,512 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 04:47:44,512 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 04:47:44,512 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 04:47:44,513 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 04:47:44,513 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 04:47:44,513 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 04:47:44,514 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 04:47:44,514 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 04:47:44,514 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-11-19 04:47:44,515 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-19 04:47:44,515 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-19 04:47:44,515 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-19 04:47:44,516 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 04:47:44,516 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 04:47:44,516 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 04:47:44,517 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_15e33f7f-9c62-4d7e-8821-09fbf9f8b736/bin/uautomizer-ZXIjhQolGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e33f7f-9c62-4d7e-8821-09fbf9f8b736/bin/uautomizer-ZXIjhQolGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7dedcc4e0d73f8d6f04d58880e42c68da67c7fd6d90a8920279134db43221c4a [2021-11-19 04:47:44,925 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 04:47:44,965 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 04:47:44,969 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 04:47:44,970 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 04:47:44,971 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 04:47:44,972 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e33f7f-9c62-4d7e-8821-09fbf9f8b736/bin/uautomizer-ZXIjhQolGL/../../sv-benchmarks/c/float-newlib/double_req_bl_1072c.c [2021-11-19 04:47:45,043 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e33f7f-9c62-4d7e-8821-09fbf9f8b736/bin/uautomizer-ZXIjhQolGL/data/596f27a62/830fd7f5f0cb4f709dd878510924e3e0/FLAG036e50bb5 [2021-11-19 04:47:45,657 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 04:47:45,661 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e33f7f-9c62-4d7e-8821-09fbf9f8b736/sv-benchmarks/c/float-newlib/double_req_bl_1072c.c [2021-11-19 04:47:45,672 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e33f7f-9c62-4d7e-8821-09fbf9f8b736/bin/uautomizer-ZXIjhQolGL/data/596f27a62/830fd7f5f0cb4f709dd878510924e3e0/FLAG036e50bb5 [2021-11-19 04:47:46,011 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e33f7f-9c62-4d7e-8821-09fbf9f8b736/bin/uautomizer-ZXIjhQolGL/data/596f27a62/830fd7f5f0cb4f709dd878510924e3e0 [2021-11-19 04:47:46,015 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 04:47:46,018 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 04:47:46,023 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 04:47:46,023 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 04:47:46,027 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 04:47:46,029 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:47:46" (1/1) ... [2021-11-19 04:47:46,030 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5db2d9fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:46, skipping insertion in model container [2021-11-19 04:47:46,032 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:47:46" (1/1) ... [2021-11-19 04:47:46,040 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 04:47:46,059 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 04:47:46,286 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_15e33f7f-9c62-4d7e-8821-09fbf9f8b736/sv-benchmarks/c/float-newlib/double_req_bl_1072c.c[2112,2125] [2021-11-19 04:47:46,289 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 04:47:46,300 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 04:47:46,375 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_15e33f7f-9c62-4d7e-8821-09fbf9f8b736/sv-benchmarks/c/float-newlib/double_req_bl_1072c.c[2112,2125] [2021-11-19 04:47:46,376 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 04:47:46,400 INFO L208 MainTranslator]: Completed translation [2021-11-19 04:47:46,400 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:46 WrapperNode [2021-11-19 04:47:46,401 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 04:47:46,402 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 04:47:46,402 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 04:47:46,403 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 04:47:46,410 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:46" (1/1) ... [2021-11-19 04:47:46,435 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:46" (1/1) ... [2021-11-19 04:47:46,465 INFO L137 Inliner]: procedures = 20, calls = 33, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 109 [2021-11-19 04:47:46,466 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 04:47:46,466 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 04:47:46,467 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 04:47:46,467 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 04:47:46,475 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:46" (1/1) ... [2021-11-19 04:47:46,475 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:46" (1/1) ... [2021-11-19 04:47:46,479 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:46" (1/1) ... [2021-11-19 04:47:46,480 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:46" (1/1) ... [2021-11-19 04:47:46,500 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:46" (1/1) ... [2021-11-19 04:47:46,505 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:46" (1/1) ... [2021-11-19 04:47:46,507 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:46" (1/1) ... [2021-11-19 04:47:46,511 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 04:47:46,513 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 04:47:46,513 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 04:47:46,513 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 04:47:46,514 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:46" (1/1) ... [2021-11-19 04:47:46,521 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 04:47:46,532 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e33f7f-9c62-4d7e-8821-09fbf9f8b736/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 04:47:46,545 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e33f7f-9c62-4d7e-8821-09fbf9f8b736/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 04:47:46,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e33f7f-9c62-4d7e-8821-09fbf9f8b736/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 04:47:46,591 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 04:47:46,591 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2021-11-19 04:47:46,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2021-11-19 04:47:46,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-19 04:47:46,592 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-19 04:47:46,592 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-19 04:47:46,592 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 04:47:46,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 04:47:46,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-19 04:47:46,593 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-19 04:47:46,679 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 04:47:46,681 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 04:47:46,951 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 04:47:46,957 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 04:47:46,958 INFO L301 CfgBuilder]: Removed 10 assume(true) statements. [2021-11-19 04:47:46,960 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:47:46 BoogieIcfgContainer [2021-11-19 04:47:46,960 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 04:47:46,962 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 04:47:46,962 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 04:47:46,970 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 04:47:46,970 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:47:46" (1/3) ... [2021-11-19 04:47:46,971 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f57f677 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:47:46, skipping insertion in model container [2021-11-19 04:47:46,971 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:46" (2/3) ... [2021-11-19 04:47:46,971 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f57f677 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:47:46, skipping insertion in model container [2021-11-19 04:47:46,971 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:47:46" (3/3) ... [2021-11-19 04:47:46,973 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_1072c.c [2021-11-19 04:47:46,979 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 04:47:46,979 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-19 04:47:47,034 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-19 04:47:47,042 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 [2021-11-19 04:47:47,043 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-19 04:47:47,062 INFO L276 IsEmpty]: Start isEmpty. Operand has 28 states, 26 states have (on average 1.6538461538461537) internal successors, (43), 27 states have internal predecessors, (43), 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) [2021-11-19 04:47:47,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-19 04:47:47,069 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 04:47:47,069 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 04:47:47,071 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 04:47:47,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:47:47,079 INFO L85 PathProgramCache]: Analyzing trace with hash 166150340, now seen corresponding path program 1 times [2021-11-19 04:47:47,092 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-19 04:47:47,094 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2051433515] [2021-11-19 04:47:47,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:47:47,095 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 04:47:47,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e33f7f-9c62-4d7e-8821-09fbf9f8b736/bin/uautomizer-ZXIjhQolGL/mathsat [2021-11-19 04:47:47,102 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e33f7f-9c62-4d7e-8821-09fbf9f8b736/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 04:47:47,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e33f7f-9c62-4d7e-8821-09fbf9f8b736/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-19 04:47:47,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:47:47,290 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-19 04:47:47,295 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 04:47:47,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 04:47:47,409 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 04:47:47,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 04:47:47,482 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-19 04:47:47,483 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2051433515] [2021-11-19 04:47:47,483 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2051433515] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 04:47:47,484 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:47:47,484 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-19 04:47:47,486 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476355273] [2021-11-19 04:47:47,486 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 04:47:47,491 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-19 04:47:47,491 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-19 04:47:47,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-19 04:47:47,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-19 04:47:47,537 INFO L87 Difference]: Start difference. First operand has 28 states, 26 states have (on average 1.6538461538461537) internal successors, (43), 27 states have internal predecessors, (43), 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 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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) [2021-11-19 04:47:47,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 04:47:47,556 INFO L93 Difference]: Finished difference Result 54 states and 84 transitions. [2021-11-19 04:47:47,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 04:47:47,558 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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 11 [2021-11-19 04:47:47,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 04:47:47,568 INFO L225 Difference]: With dead ends: 54 [2021-11-19 04:47:47,568 INFO L226 Difference]: Without dead ends: 25 [2021-11-19 04:47:47,571 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-19 04:47:47,576 INFO L933 BasicCegarLoop]: 32 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, 32 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 [2021-11-19 04:47:47,577 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 04:47:47,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2021-11-19 04:47:47,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2021-11-19 04:47:47,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 24 states have (on average 1.2083333333333333) internal successors, (29), 24 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) [2021-11-19 04:47:47,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 29 transitions. [2021-11-19 04:47:47,614 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 29 transitions. Word has length 11 [2021-11-19 04:47:47,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 04:47:47,615 INFO L470 AbstractCegarLoop]: Abstraction has 25 states and 29 transitions. [2021-11-19 04:47:47,615 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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) [2021-11-19 04:47:47,616 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2021-11-19 04:47:47,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-19 04:47:47,617 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 04:47:47,617 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 04:47:47,641 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e33f7f-9c62-4d7e-8821-09fbf9f8b736/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-19 04:47:47,841 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e33f7f-9c62-4d7e-8821-09fbf9f8b736/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 [2021-11-19 04:47:47,842 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 04:47:47,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:47:47,846 INFO L85 PathProgramCache]: Analyzing trace with hash 786071265, now seen corresponding path program 1 times [2021-11-19 04:47:47,847 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-19 04:47:47,849 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [251358493] [2021-11-19 04:47:47,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:47:47,851 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 04:47:47,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e33f7f-9c62-4d7e-8821-09fbf9f8b736/bin/uautomizer-ZXIjhQolGL/mathsat [2021-11-19 04:47:47,855 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e33f7f-9c62-4d7e-8821-09fbf9f8b736/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 04:47:47,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e33f7f-9c62-4d7e-8821-09fbf9f8b736/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-19 04:47:48,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:47:48,013 INFO L263 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-19 04:47:48,016 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 04:47:48,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 04:47:48,279 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 04:47:48,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 04:47:48,462 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-19 04:47:48,462 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [251358493] [2021-11-19 04:47:48,462 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [251358493] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 04:47:48,462 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:47:48,463 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-19 04:47:48,463 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098604445] [2021-11-19 04:47:48,463 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 04:47:48,464 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-19 04:47:48,465 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-19 04:47:48,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-19 04:47:48,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-19 04:47:48,466 INFO L87 Difference]: Start difference. First operand 25 states and 29 transitions. Second operand has 8 states, 8 states have (on average 2.125) internal successors, (17), 8 states have internal predecessors, (17), 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) [2021-11-19 04:47:48,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 04:47:48,542 INFO L93 Difference]: Finished difference Result 45 states and 49 transitions. [2021-11-19 04:47:48,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 04:47:48,543 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.125) internal successors, (17), 8 states have internal predecessors, (17), 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 12 [2021-11-19 04:47:48,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 04:47:48,546 INFO L225 Difference]: With dead ends: 45 [2021-11-19 04:47:48,546 INFO L226 Difference]: Without dead ends: 31 [2021-11-19 04:47:48,549 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-11-19 04:47:48,557 INFO L933 BasicCegarLoop]: 29 mSDtfsCounter, 16 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 13 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-19 04:47:48,559 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16 Valid, 142 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 13 Unchecked, 0.0s Time] [2021-11-19 04:47:48,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2021-11-19 04:47:48,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 21. [2021-11-19 04:47:48,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 20 states have (on average 1.1) internal successors, (22), 20 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) [2021-11-19 04:47:48,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 22 transitions. [2021-11-19 04:47:48,568 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 22 transitions. Word has length 12 [2021-11-19 04:47:48,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 04:47:48,569 INFO L470 AbstractCegarLoop]: Abstraction has 21 states and 22 transitions. [2021-11-19 04:47:48,570 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.125) internal successors, (17), 8 states have internal predecessors, (17), 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) [2021-11-19 04:47:48,570 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2021-11-19 04:47:48,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-19 04:47:48,571 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 04:47:48,572 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 04:47:48,591 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e33f7f-9c62-4d7e-8821-09fbf9f8b736/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-19 04:47:48,790 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e33f7f-9c62-4d7e-8821-09fbf9f8b736/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 [2021-11-19 04:47:48,791 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 04:47:48,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:47:48,792 INFO L85 PathProgramCache]: Analyzing trace with hash -2089944352, now seen corresponding path program 1 times [2021-11-19 04:47:48,792 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-19 04:47:48,793 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [605025150] [2021-11-19 04:47:48,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:47:48,793 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 04:47:48,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e33f7f-9c62-4d7e-8821-09fbf9f8b736/bin/uautomizer-ZXIjhQolGL/mathsat [2021-11-19 04:47:48,796 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e33f7f-9c62-4d7e-8821-09fbf9f8b736/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 04:47:48,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e33f7f-9c62-4d7e-8821-09fbf9f8b736/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-19 04:47:48,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:47:48,886 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-19 04:47:48,888 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 04:47:49,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 04:47:49,096 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 04:47:49,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 04:47:49,237 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-19 04:47:49,237 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [605025150] [2021-11-19 04:47:49,238 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [605025150] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 04:47:49,239 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:47:49,239 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-19 04:47:49,243 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297526006] [2021-11-19 04:47:49,243 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 04:47:49,245 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-19 04:47:49,246 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-19 04:47:49,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-19 04:47:49,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-19 04:47:49,248 INFO L87 Difference]: Start difference. First operand 21 states and 22 transitions. Second operand has 8 states, 8 states have (on average 2.5) internal successors, (20), 8 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) [2021-11-19 04:47:49,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 04:47:49,285 INFO L93 Difference]: Finished difference Result 31 states and 32 transitions. [2021-11-19 04:47:49,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-19 04:47:49,285 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.5) internal successors, (20), 8 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) Word has length 14 [2021-11-19 04:47:49,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 04:47:49,286 INFO L225 Difference]: With dead ends: 31 [2021-11-19 04:47:49,286 INFO L226 Difference]: Without dead ends: 19 [2021-11-19 04:47:49,286 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-11-19 04:47:49,288 INFO L933 BasicCegarLoop]: 15 mSDtfsCounter, 4 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 6 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-19 04:47:49,288 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4 Valid, 66 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 6 Unchecked, 0.0s Time] [2021-11-19 04:47:49,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2021-11-19 04:47:49,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2021-11-19 04:47:49,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 18 states have (on average 1.0555555555555556) internal successors, (19), 18 states have internal predecessors, (19), 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) [2021-11-19 04:47:49,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 19 transitions. [2021-11-19 04:47:49,300 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 19 transitions. Word has length 14 [2021-11-19 04:47:49,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 04:47:49,305 INFO L470 AbstractCegarLoop]: Abstraction has 19 states and 19 transitions. [2021-11-19 04:47:49,305 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.5) internal successors, (20), 8 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) [2021-11-19 04:47:49,305 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 19 transitions. [2021-11-19 04:47:49,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-19 04:47:49,306 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 04:47:49,306 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 04:47:49,331 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e33f7f-9c62-4d7e-8821-09fbf9f8b736/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-19 04:47:49,520 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e33f7f-9c62-4d7e-8821-09fbf9f8b736/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 [2021-11-19 04:47:49,521 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 04:47:49,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:47:49,521 INFO L85 PathProgramCache]: Analyzing trace with hash -660443026, now seen corresponding path program 1 times [2021-11-19 04:47:49,522 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-19 04:47:49,522 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [913734303] [2021-11-19 04:47:49,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:47:49,522 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 04:47:49,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e33f7f-9c62-4d7e-8821-09fbf9f8b736/bin/uautomizer-ZXIjhQolGL/mathsat [2021-11-19 04:47:49,523 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e33f7f-9c62-4d7e-8821-09fbf9f8b736/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 04:47:49,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e33f7f-9c62-4d7e-8821-09fbf9f8b736/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-19 04:47:49,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:47:49,595 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-19 04:47:49,597 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 04:47:49,658 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 51 treesize of output 45 [2021-11-19 04:47:49,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 04:47:49,754 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 04:47:49,832 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 46 treesize of output 40 [2021-11-19 04:47:49,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 04:47:49,879 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-19 04:47:49,879 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [913734303] [2021-11-19 04:47:49,879 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [913734303] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 04:47:49,879 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:47:49,879 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 9 [2021-11-19 04:47:49,880 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971267880] [2021-11-19 04:47:49,880 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 04:47:49,880 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 04:47:49,880 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-19 04:47:49,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 04:47:49,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-11-19 04:47:49,881 INFO L87 Difference]: Start difference. First operand 19 states and 19 transitions. Second operand has 9 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 9 states have internal predecessors, (21), 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) [2021-11-19 04:47:50,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 04:47:50,067 INFO L93 Difference]: Finished difference Result 22 states and 21 transitions. [2021-11-19 04:47:50,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 04:47:50,068 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 9 states have internal predecessors, (21), 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 14 [2021-11-19 04:47:50,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 04:47:50,069 INFO L225 Difference]: With dead ends: 22 [2021-11-19 04:47:50,069 INFO L226 Difference]: Without dead ends: 19 [2021-11-19 04:47:50,069 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 19 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 3 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2021-11-19 04:47:50,071 INFO L933 BasicCegarLoop]: 13 mSDtfsCounter, 26 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 6 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-19 04:47:50,071 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [26 Valid, 36 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 6 Unchecked, 0.0s Time] [2021-11-19 04:47:50,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2021-11-19 04:47:50,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2021-11-19 04:47:50,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 18 states have (on average 1.0) internal successors, (18), 18 states have internal predecessors, (18), 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) [2021-11-19 04:47:50,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 18 transitions. [2021-11-19 04:47:50,075 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 18 transitions. Word has length 14 [2021-11-19 04:47:50,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 04:47:50,076 INFO L470 AbstractCegarLoop]: Abstraction has 19 states and 18 transitions. [2021-11-19 04:47:50,076 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 9 states have internal predecessors, (21), 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) [2021-11-19 04:47:50,076 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 18 transitions. [2021-11-19 04:47:50,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-19 04:47:50,077 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 04:47:50,077 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 04:47:50,097 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e33f7f-9c62-4d7e-8821-09fbf9f8b736/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-19 04:47:50,277 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e33f7f-9c62-4d7e-8821-09fbf9f8b736/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 [2021-11-19 04:47:50,278 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 04:47:50,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 04:47:50,278 INFO L85 PathProgramCache]: Analyzing trace with hash 1192312195, now seen corresponding path program 1 times [2021-11-19 04:47:50,279 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-19 04:47:50,279 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1139861469] [2021-11-19 04:47:50,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 04:47:50,279 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 04:47:50,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e33f7f-9c62-4d7e-8821-09fbf9f8b736/bin/uautomizer-ZXIjhQolGL/mathsat [2021-11-19 04:47:50,280 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e33f7f-9c62-4d7e-8821-09fbf9f8b736/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 04:47:50,315 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e33f7f-9c62-4d7e-8821-09fbf9f8b736/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-19 04:47:50,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 04:47:50,369 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-19 04:47:50,371 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 04:47:50,397 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 34 [2021-11-19 04:47:50,778 INFO L354 Elim1Store]: treesize reduction 34, result has 30.6 percent of original size [2021-11-19 04:47:50,779 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 86 treesize of output 88 [2021-11-19 04:47:51,526 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-11-19 04:47:51,527 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 93 treesize of output 53 [2021-11-19 04:47:51,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 04:47:51,822 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 04:47:52,537 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 04:47:52,538 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 118 treesize of output 97 [2021-11-19 04:47:52,555 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 04:47:52,556 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 97 treesize of output 95 [2021-11-19 04:47:52,582 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-11-19 04:47:52,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 04:47:52,736 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-19 04:47:52,736 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1139861469] [2021-11-19 04:47:52,736 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1139861469] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 04:47:52,736 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 04:47:52,736 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12, 11] imperfect sequences [] total 19 [2021-11-19 04:47:52,736 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660881825] [2021-11-19 04:47:52,736 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 04:47:52,737 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-11-19 04:47:52,737 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-19 04:47:52,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-11-19 04:47:52,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=298, Unknown=0, NotChecked=0, Total=342 [2021-11-19 04:47:52,738 INFO L87 Difference]: Start difference. First operand 19 states and 18 transitions. Second operand has 19 states, 19 states have (on average 1.6842105263157894) internal successors, (32), 19 states have internal predecessors, (32), 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) [2021-11-19 04:47:52,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 04:47:52,895 INFO L93 Difference]: Finished difference Result 19 states and 18 transitions. [2021-11-19 04:47:52,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-19 04:47:52,895 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 1.6842105263157894) internal successors, (32), 19 states have internal predecessors, (32), 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 18 [2021-11-19 04:47:52,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 04:47:52,895 INFO L225 Difference]: With dead ends: 19 [2021-11-19 04:47:52,895 INFO L226 Difference]: Without dead ends: 0 [2021-11-19 04:47:52,896 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 16 SyntacticMatches, 2 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=55, Invalid=365, Unknown=0, NotChecked=0, Total=420 [2021-11-19 04:47:52,896 INFO L933 BasicCegarLoop]: 7 mSDtfsCounter, 5 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 34 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-19 04:47:52,897 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5 Valid, 73 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 34 Unchecked, 0.0s Time] [2021-11-19 04:47:52,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-19 04:47:52,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-19 04:47:52,897 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) [2021-11-19 04:47:52,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-19 04:47:52,897 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2021-11-19 04:47:52,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 04:47:52,898 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-19 04:47:52,898 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 1.6842105263157894) internal successors, (32), 19 states have internal predecessors, (32), 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) [2021-11-19 04:47:52,898 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-19 04:47:52,898 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-19 04:47:52,900 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-19 04:47:52,918 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e33f7f-9c62-4d7e-8821-09fbf9f8b736/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-19 04:47:53,111 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e33f7f-9c62-4d7e-8821-09fbf9f8b736/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 [2021-11-19 04:47:53,113 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-19 04:47:53,238 INFO L854 garLoopResultBuilder]: At program point L73(lines 64 74) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 11 53)))) (and |ULTIMATE.start_main_#t~short12#1| (= (_ bv1 32) |ULTIMATE.start___signbit_double_#res#1|) (fp.eq |ULTIMATE.start_trunc_double_~x#1| .cse0) (fp.eq |ULTIMATE.start_trunc_double_#res#1| .cse0))) [2021-11-19 04:47:53,238 INFO L858 garLoopResultBuilder]: For program point L32(lines 32 60) no Hoare annotation was computed. [2021-11-19 04:47:53,238 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-19 04:47:53,238 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-19 04:47:53,238 INFO L854 garLoopResultBuilder]: At program point L61(lines 19 62) the Hoare annotation is: (and (exists ((|v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9| (_ BitVec 32)) (|v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11| (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_7| (_ BitVec 64))) (let ((.cse5 (select |#memory_int| |v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9|))) (let ((.cse1 ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_7|)) (.cse0 (select |#memory_int| |v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11|)) (.cse2 (select .cse5 (_ bv4 32))) (.cse3 (select .cse5 (_ bv0 32)))) (and (= (select .cse0 (_ bv4 32)) .cse1) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_7|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_7|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_7|)) (fp.neg (_ +zero 11 53))) (= .cse2 (bvand (_ bv2147483648 32) .cse1)) (= .cse3 (_ bv0 32)) (= (select .cse0 (_ bv0 32)) ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_7|)) (= (let ((.cse4 (concat .cse2 .cse3))) (fp ((_ extract 63 63) .cse4) ((_ extract 62 52) .cse4) ((_ extract 51 0) .cse4))) |ULTIMATE.start_trunc_double_#res#1|))))) (fp.eq |ULTIMATE.start_trunc_double_~x#1| (fp.neg (_ +zero 11 53)))) [2021-11-19 04:47:53,238 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-19 04:47:53,239 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 88) no Hoare annotation was computed. [2021-11-19 04:47:53,239 INFO L858 garLoopResultBuilder]: For program point L24-1(lines 24 29) no Hoare annotation was computed. [2021-11-19 04:47:53,239 INFO L854 garLoopResultBuilder]: At program point L24-2(lines 24 29) the Hoare annotation is: (= (fp.neg (_ +zero 11 53)) |ULTIMATE.start_trunc_double_~x#1|) [2021-11-19 04:47:53,239 INFO L858 garLoopResultBuilder]: For program point L24-3(lines 24 29) no Hoare annotation was computed. [2021-11-19 04:47:53,239 INFO L858 garLoopResultBuilder]: For program point L49(lines 49 60) no Hoare annotation was computed. [2021-11-19 04:47:53,239 INFO L858 garLoopResultBuilder]: For program point L41-1(lines 41 47) no Hoare annotation was computed. [2021-11-19 04:47:53,239 INFO L854 garLoopResultBuilder]: At program point L41-2(lines 41 47) the Hoare annotation is: false [2021-11-19 04:47:53,239 INFO L858 garLoopResultBuilder]: For program point L33(lines 33 48) no Hoare annotation was computed. [2021-11-19 04:47:53,240 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-19 04:47:53,240 INFO L858 garLoopResultBuilder]: For program point L87(line 87) no Hoare annotation was computed. [2021-11-19 04:47:53,240 INFO L858 garLoopResultBuilder]: For program point L54-1(lines 54 59) no Hoare annotation was computed. [2021-11-19 04:47:53,240 INFO L858 garLoopResultBuilder]: For program point L87-2(lines 87 90) no Hoare annotation was computed. [2021-11-19 04:47:53,240 INFO L854 garLoopResultBuilder]: At program point L54-2(lines 54 59) the Hoare annotation is: false [2021-11-19 04:47:53,240 INFO L858 garLoopResultBuilder]: For program point L54-3(lines 32 60) no Hoare annotation was computed. [2021-11-19 04:47:53,240 INFO L858 garLoopResultBuilder]: For program point L50(lines 50 52) no Hoare annotation was computed. [2021-11-19 04:47:53,240 INFO L858 garLoopResultBuilder]: For program point L67-1(lines 67 71) no Hoare annotation was computed. [2021-11-19 04:47:53,240 INFO L858 garLoopResultBuilder]: For program point L34-1(lines 34 39) no Hoare annotation was computed. [2021-11-19 04:47:53,241 INFO L854 garLoopResultBuilder]: At program point L67-2(lines 67 71) the Hoare annotation is: (let ((.cse6 (fp.neg (_ +zero 11 53)))) (and |ULTIMATE.start_main_#t~short12#1| (exists ((|v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9| (_ BitVec 32)) (|v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11| (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_7| (_ BitVec 64))) (let ((.cse5 (select |#memory_int| |v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9|))) (let ((.cse1 ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_7|)) (.cse2 (select .cse5 (_ bv4 32))) (.cse4 (select .cse5 (_ bv0 32))) (.cse0 (select |#memory_int| |v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11|))) (and (= (select .cse0 (_ bv4 32)) .cse1) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_7|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_7|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_7|)) (fp.neg (_ +zero 11 53))) (= .cse2 (bvand (_ bv2147483648 32) .cse1)) (= (let ((.cse3 (concat .cse2 .cse4))) (fp ((_ extract 63 63) .cse3) ((_ extract 62 52) .cse3) ((_ extract 51 0) .cse3))) |ULTIMATE.start___signbit_double_~x#1|) (= .cse4 (_ bv0 32)) (= (select .cse0 (_ bv0 32)) ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_7|)))))) (fp.eq |ULTIMATE.start_trunc_double_~x#1| .cse6) (fp.eq |ULTIMATE.start_trunc_double_#res#1| .cse6))) [2021-11-19 04:47:53,241 INFO L854 garLoopResultBuilder]: At program point L34-2(lines 34 39) the Hoare annotation is: (and (exists ((|v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11| (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_7| (_ BitVec 64))) (let ((.cse1 (select |#memory_int| |v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11|))) (let ((.cse0 (select .cse1 (_ bv4 32)))) (and (= .cse0 ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_7|)) (= |ULTIMATE.start_trunc_double_~signbit~0#1| (bvand (_ bv2147483648 32) .cse0)) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_7|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_7|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_7|)) (fp.neg (_ +zero 11 53))) (= (select .cse1 (_ bv0 32)) ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_7|)))))) (bvslt |ULTIMATE.start_trunc_double_~exponent_less_1023~0#1| (_ bv20 32)) (fp.eq |ULTIMATE.start_trunc_double_~x#1| (fp.neg (_ +zero 11 53)))) [2021-11-19 04:47:53,241 INFO L858 garLoopResultBuilder]: For program point L67-3(lines 67 71) no Hoare annotation was computed. [2021-11-19 04:47:53,241 INFO L861 garLoopResultBuilder]: At program point L92(lines 76 93) the Hoare annotation is: true [2021-11-19 04:47:53,241 INFO L858 garLoopResultBuilder]: For program point L88(line 88) no Hoare annotation was computed. [2021-11-19 04:47:53,245 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-11-19 04:47:53,246 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-19 04:47:53,261 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] [2021-11-19 04:47:53,262 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-11-19 04:47:53,262 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-11-19 04:47:53,262 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-11-19 04:47:53,263 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-11-19 04:47:53,263 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-11-19 04:47:53,263 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-11-19 04:47:53,263 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-11-19 04:47:53,264 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] [2021-11-19 04:47:53,264 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-11-19 04:47:53,264 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-11-19 04:47:53,264 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-11-19 04:47:53,264 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-11-19 04:47:53,265 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-11-19 04:47:53,265 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-11-19 04:47:53,265 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-11-19 04:47:53,268 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] [2021-11-19 04:47:53,268 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-11-19 04:47:53,268 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-11-19 04:47:53,269 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-11-19 04:47:53,269 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-11-19 04:47:53,269 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-11-19 04:47:53,269 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-11-19 04:47:53,269 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-11-19 04:47:53,270 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] [2021-11-19 04:47:53,270 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-11-19 04:47:53,270 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-11-19 04:47:53,270 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-11-19 04:47:53,271 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-11-19 04:47:53,271 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-11-19 04:47:53,271 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-11-19 04:47:53,271 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-11-19 04:47:53,274 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] [2021-11-19 04:47:53,274 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-11-19 04:47:53,274 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-11-19 04:47:53,274 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-11-19 04:47:53,275 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-11-19 04:47:53,275 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-11-19 04:47:53,275 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-11-19 04:47:53,275 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-11-19 04:47:53,276 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-11-19 04:47:53,276 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-11-19 04:47:53,276 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-11-19 04:47:53,276 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-11-19 04:47:53,277 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-11-19 04:47:53,277 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-11-19 04:47:53,277 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] [2021-11-19 04:47:53,277 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-11-19 04:47:53,278 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] [2021-11-19 04:47:53,279 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-11-19 04:47:53,279 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-11-19 04:47:53,279 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-11-19 04:47:53,279 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-11-19 04:47:53,280 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-11-19 04:47:53,280 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-11-19 04:47:53,280 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-11-19 04:47:53,280 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-11-19 04:47:53,281 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-11-19 04:47:53,281 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-11-19 04:47:53,281 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-11-19 04:47:53,281 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-11-19 04:47:53,281 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-11-19 04:47:53,286 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] [2021-11-19 04:47:53,286 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-11-19 04:47:53,288 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] [2021-11-19 04:47:53,288 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-11-19 04:47:53,289 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] [2021-11-19 04:47:53,289 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-11-19 04:47:53,289 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-11-19 04:47:53,289 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-11-19 04:47:53,290 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] [2021-11-19 04:47:53,290 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-11-19 04:47:53,290 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] [2021-11-19 04:47:53,291 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-11-19 04:47:53,291 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] [2021-11-19 04:47:53,291 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-11-19 04:47:53,291 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-11-19 04:47:53,291 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-11-19 04:47:53,292 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] [2021-11-19 04:47:53,292 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-11-19 04:47:53,293 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 04:47:53 BoogieIcfgContainer [2021-11-19 04:47:53,293 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-19 04:47:53,294 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-19 04:47:53,294 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-19 04:47:53,294 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-19 04:47:53,295 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:47:46" (3/4) ... [2021-11-19 04:47:53,298 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-19 04:47:53,310 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-11-19 04:47:53,310 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-11-19 04:47:53,311 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-19 04:47:53,311 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-19 04:47:53,333 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\exists v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11 : bv32, v_skolemized_q#valueAsBitvector_7 : bv64 :: ((unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11][4bv32] == v_skolemized_q#valueAsBitvector_7[63:32] && signbit == ~bvand32(2147483648bv32, unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11][4bv32])) && ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_7[63:63], v_skolemized_q#valueAsBitvector_7[62:52], v_skolemized_q#valueAsBitvector_7[51:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11][0bv32] == v_skolemized_q#valueAsBitvector_7[31:0]) && ~bvslt32(exponent_less_1023, 20bv32)) && ~fp.eq~DOUBLE(x, ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) [2021-11-19 04:47:53,333 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9 : bv32, v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11 : bv32, v_skolemized_q#valueAsBitvector_7 : bv64 :: ((((unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11][4bv32] == v_skolemized_q#valueAsBitvector_7[63:32] && ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_7[63:63], v_skolemized_q#valueAsBitvector_7[62:52], v_skolemized_q#valueAsBitvector_7[51:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9][4bv32] == ~bvand32(2147483648bv32, v_skolemized_q#valueAsBitvector_7[63:32])) && unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9][0bv32] == 0bv32) && unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11][0bv32] == v_skolemized_q#valueAsBitvector_7[31:0]) && ~fp~LONGDOUBLE((unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9][4bv32] ++ unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9][0bv32])[63:63], (unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9][4bv32] ++ unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9][0bv32])[62:52], (unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9][4bv32] ++ unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9][0bv32])[51:0]) == \result) && ~fp.eq~DOUBLE(x, ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) [2021-11-19 04:47:53,334 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((aux-res == -0.0 && __signbit_double(res) == 1-aux && (\exists v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9 : bv32, v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11 : bv32, v_skolemized_q#valueAsBitvector_7 : bv64 :: ((((unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11][4bv32] == v_skolemized_q#valueAsBitvector_7[63:32] && ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_7[63:63], v_skolemized_q#valueAsBitvector_7[62:52], v_skolemized_q#valueAsBitvector_7[51:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9][4bv32] == ~bvand32(2147483648bv32, v_skolemized_q#valueAsBitvector_7[63:32])) && ~fp~LONGDOUBLE((unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9][4bv32] ++ unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9][0bv32])[63:63], (unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9][4bv32] ++ unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9][0bv32])[62:52], (unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9][4bv32] ++ unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9][0bv32])[51:0]) == x) && unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9][0bv32] == 0bv32) && unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11][0bv32] == v_skolemized_q#valueAsBitvector_7[31:0])) && ~fp.eq~DOUBLE(x, ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()))) && ~fp.eq~DOUBLE(\result, ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) [2021-11-19 04:47:53,335 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((aux-res == -0.0 && __signbit_double(res) == 1-aux && 1bv32 == \result) && ~fp.eq~DOUBLE(x, ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()))) && ~fp.eq~DOUBLE(\result, ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) [2021-11-19 04:47:53,349 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e33f7f-9c62-4d7e-8821-09fbf9f8b736/bin/uautomizer-ZXIjhQolGL/witness.graphml [2021-11-19 04:47:53,349 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-19 04:47:53,350 INFO L158 Benchmark]: Toolchain (without parser) took 7332.27ms. Allocated memory was 56.6MB in the beginning and 86.0MB in the end (delta: 29.4MB). Free memory was 33.9MB in the beginning and 61.1MB in the end (delta: -27.2MB). Peak memory consumption was 1.8MB. Max. memory is 16.1GB. [2021-11-19 04:47:53,350 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 56.6MB. Free memory was 36.2MB in the beginning and 36.2MB in the end (delta: 39.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 04:47:53,351 INFO L158 Benchmark]: CACSL2BoogieTranslator took 378.04ms. Allocated memory was 56.6MB in the beginning and 86.0MB in the end (delta: 29.4MB). Free memory was 33.8MB in the beginning and 67.3MB in the end (delta: -33.6MB). Peak memory consumption was 9.4MB. Max. memory is 16.1GB. [2021-11-19 04:47:53,351 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.83ms. Allocated memory is still 86.0MB. Free memory was 67.3MB in the beginning and 65.4MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 04:47:53,352 INFO L158 Benchmark]: Boogie Preprocessor took 45.24ms. Allocated memory is still 86.0MB. Free memory was 65.4MB in the beginning and 63.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-19 04:47:53,352 INFO L158 Benchmark]: RCFGBuilder took 447.61ms. Allocated memory is still 86.0MB. Free memory was 63.7MB in the beginning and 51.0MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-19 04:47:53,353 INFO L158 Benchmark]: TraceAbstraction took 6331.20ms. Allocated memory is still 86.0MB. Free memory was 50.6MB in the beginning and 65.3MB in the end (delta: -14.8MB). Peak memory consumption was 26.1MB. Max. memory is 16.1GB. [2021-11-19 04:47:53,353 INFO L158 Benchmark]: Witness Printer took 55.39ms. Allocated memory is still 86.0MB. Free memory was 64.7MB in the beginning and 61.1MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-19 04:47:53,355 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 56.6MB. Free memory was 36.2MB in the beginning and 36.2MB in the end (delta: 39.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 378.04ms. Allocated memory was 56.6MB in the beginning and 86.0MB in the end (delta: 29.4MB). Free memory was 33.8MB in the beginning and 67.3MB in the end (delta: -33.6MB). Peak memory consumption was 9.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.83ms. Allocated memory is still 86.0MB. Free memory was 67.3MB in the beginning and 65.4MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 45.24ms. Allocated memory is still 86.0MB. Free memory was 65.4MB in the beginning and 63.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 447.61ms. Allocated memory is still 86.0MB. Free memory was 63.7MB in the beginning and 51.0MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 6331.20ms. Allocated memory is still 86.0MB. Free memory was 50.6MB in the beginning and 65.3MB in the end (delta: -14.8MB). Peak memory consumption was 26.1MB. Max. memory is 16.1GB. * Witness Printer took 55.39ms. Allocated memory is still 86.0MB. Free memory was 64.7MB in the beginning and 61.1MB in the end (delta: 3.6MB). 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[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 88]: 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, 28 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.2s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 51 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 51 mSDsluCounter, 349 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 59 IncrementalHoareTripleChecker+Unchecked, 253 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 30 IncrementalHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 96 mSDtfsCounter, 30 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 138 GetRequests, 91 SyntacticMatches, 4 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 3 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=28occurred in iteration=0, InterpolantAutomatonStates: 31, 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, 5 MinimizatonAttempts, 10 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 8 LocationsWithAnnotation, 8 PreInvPairs, 14 NumberOfFragments, 248 HoareAnnotationTreeSize, 8 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 8 FomulaSimplificationsInter, 15 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.7s InterpolantComputationTime, 69 NumberOfCodeBlocks, 69 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 128 ConstructedInterpolants, 38 QuantifiedInterpolants, 1587 SizeOfPredicates, 35 NumberOfNonLiveVariables, 221 ConjunctsInSsa, 44 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 76]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == x - InvariantResult [Line: 19]: Loop Invariant [2021-11-19 04:47:53,374 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] [2021-11-19 04:47:53,375 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-11-19 04:47:53,375 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-11-19 04:47:53,375 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-11-19 04:47:53,375 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-11-19 04:47:53,375 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-11-19 04:47:53,375 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-11-19 04:47:53,376 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-11-19 04:47:53,376 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] [2021-11-19 04:47:53,376 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-11-19 04:47:53,376 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-11-19 04:47:53,376 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-11-19 04:47:53,377 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-11-19 04:47:53,377 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-11-19 04:47:53,377 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-11-19 04:47:53,377 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-11-19 04:47:53,378 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] [2021-11-19 04:47:53,378 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-11-19 04:47:53,378 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-11-19 04:47:53,379 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-11-19 04:47:53,379 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-11-19 04:47:53,379 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-11-19 04:47:53,379 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-11-19 04:47:53,379 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-11-19 04:47:53,380 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] [2021-11-19 04:47:53,380 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-11-19 04:47:53,380 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-11-19 04:47:53,380 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-11-19 04:47:53,380 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-11-19 04:47:53,380 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-11-19 04:47:53,381 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-11-19 04:47:53,381 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] Derived loop invariant: (\exists v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9 : bv32, v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11 : bv32, v_skolemized_q#valueAsBitvector_7 : bv64 :: ((((unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11][4bv32] == v_skolemized_q#valueAsBitvector_7[63:32] && ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_7[63:63], v_skolemized_q#valueAsBitvector_7[62:52], v_skolemized_q#valueAsBitvector_7[51:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9][4bv32] == ~bvand32(2147483648bv32, v_skolemized_q#valueAsBitvector_7[63:32])) && unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9][0bv32] == 0bv32) && unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11][0bv32] == v_skolemized_q#valueAsBitvector_7[31:0]) && ~fp~LONGDOUBLE((unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9][4bv32] ++ unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9][0bv32])[63:63], (unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9][4bv32] ++ unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9][0bv32])[62:52], (unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9][4bv32] ++ unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9][0bv32])[51:0]) == \result) && ~fp.eq~DOUBLE(x, ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: ((aux-res == -0.0 && __signbit_double(res) == 1-aux && 1bv32 == \result) && ~fp.eq~DOUBLE(x, ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()))) && ~fp.eq~DOUBLE(\result, ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) - InvariantResult [Line: 67]: Loop Invariant [2021-11-19 04:47:53,382 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] [2021-11-19 04:47:53,383 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-11-19 04:47:53,383 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-11-19 04:47:53,383 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-11-19 04:47:53,383 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-11-19 04:47:53,383 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-11-19 04:47:53,384 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-11-19 04:47:53,384 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-11-19 04:47:53,384 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-11-19 04:47:53,384 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-11-19 04:47:53,384 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-11-19 04:47:53,385 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-11-19 04:47:53,385 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-11-19 04:47:53,385 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-11-19 04:47:53,385 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] [2021-11-19 04:47:53,385 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-11-19 04:47:53,386 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] [2021-11-19 04:47:53,387 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-11-19 04:47:53,387 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-11-19 04:47:53,387 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-11-19 04:47:53,387 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-11-19 04:47:53,387 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-11-19 04:47:53,388 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-11-19 04:47:53,388 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-11-19 04:47:53,388 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-11-19 04:47:53,388 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-11-19 04:47:53,388 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-11-19 04:47:53,389 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-11-19 04:47:53,389 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-11-19 04:47:53,389 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9,QUANTIFIED] [2021-11-19 04:47:53,389 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] [2021-11-19 04:47:53,389 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] Derived loop invariant: ((aux-res == -0.0 && __signbit_double(res) == 1-aux && (\exists v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9 : bv32, v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11 : bv32, v_skolemized_q#valueAsBitvector_7 : bv64 :: ((((unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11][4bv32] == v_skolemized_q#valueAsBitvector_7[63:32] && ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_7[63:63], v_skolemized_q#valueAsBitvector_7[62:52], v_skolemized_q#valueAsBitvector_7[51:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9][4bv32] == ~bvand32(2147483648bv32, v_skolemized_q#valueAsBitvector_7[63:32])) && ~fp~LONGDOUBLE((unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9][4bv32] ++ unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9][0bv32])[63:63], (unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9][4bv32] ++ unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9][0bv32])[62:52], (unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9][4bv32] ++ unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9][0bv32])[51:0]) == x) && unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#iw_u~0#1.base_9][0bv32] == 0bv32) && unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11][0bv32] == v_skolemized_q#valueAsBitvector_7[31:0])) && ~fp.eq~DOUBLE(x, ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()))) && ~fp.eq~DOUBLE(\result, ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) - InvariantResult [Line: 34]: Loop Invariant [2021-11-19 04:47:53,391 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] [2021-11-19 04:47:53,391 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-11-19 04:47:53,391 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] [2021-11-19 04:47:53,391 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-11-19 04:47:53,391 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-11-19 04:47:53,391 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-11-19 04:47:53,392 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] [2021-11-19 04:47:53,392 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-11-19 04:47:53,392 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] [2021-11-19 04:47:53,393 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-11-19 04:47:53,393 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] [2021-11-19 04:47:53,393 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-11-19 04:47:53,393 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-11-19 04:47:53,393 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2021-11-19 04:47:53,394 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11,QUANTIFIED] [2021-11-19 04:47:53,394 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] Derived loop invariant: ((\exists v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11 : bv32, v_skolemized_q#valueAsBitvector_7 : bv64 :: ((unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11][4bv32] == v_skolemized_q#valueAsBitvector_7[63:32] && signbit == ~bvand32(2147483648bv32, unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11][4bv32])) && ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_7[63:63], v_skolemized_q#valueAsBitvector_7[62:52], v_skolemized_q#valueAsBitvector_7[51:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && unknown-#memory_int-unknown[v_ULTIMATE.start_trunc_double_~#ew_u~0#1.base_11][0bv32] == v_skolemized_q#valueAsBitvector_7[31:0]) && ~bvslt32(exponent_less_1023, 20bv32)) && ~fp.eq~DOUBLE(x, ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) - InvariantResult [Line: 41]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-11-19 04:47:53,441 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15e33f7f-9c62-4d7e-8821-09fbf9f8b736/bin/uautomizer-ZXIjhQolGL/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