./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0910b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683cd1d8-a270-4e68-8e90-171b1639b141/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683cd1d8-a270-4e68-8e90-171b1639b141/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683cd1d8-a270-4e68-8e90-171b1639b141/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683cd1d8-a270-4e68-8e90-171b1639b141/bin/uautomizer-UnR33cPsHg/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0910b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683cd1d8-a270-4e68-8e90-171b1639b141/bin/uautomizer-UnR33cPsHg/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683cd1d8-a270-4e68-8e90-171b1639b141/bin/uautomizer-UnR33cPsHg --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 14d22f17681e24ff9bf077eb5f196519a9b5019c8fb9285b97a7644c12cebe77 ................................................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683cd1d8-a270-4e68-8e90-171b1639b141/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683cd1d8-a270-4e68-8e90-171b1639b141/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683cd1d8-a270-4e68-8e90-171b1639b141/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683cd1d8-a270-4e68-8e90-171b1639b141/bin/uautomizer-UnR33cPsHg/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0910b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683cd1d8-a270-4e68-8e90-171b1639b141/bin/uautomizer-UnR33cPsHg/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683cd1d8-a270-4e68-8e90-171b1639b141/bin/uautomizer-UnR33cPsHg --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 14d22f17681e24ff9bf077eb5f196519a9b5019c8fb9285b97a7644c12cebe77 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 09:26:16,302 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 09:26:16,305 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 09:26:16,361 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 09:26:16,362 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 09:26:16,364 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 09:26:16,366 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 09:26:16,370 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 09:26:16,373 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 09:26:16,374 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 09:26:16,376 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 09:26:16,378 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 09:26:16,380 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 09:26:16,383 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 09:26:16,387 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 09:26:16,390 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 09:26:16,392 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 09:26:16,396 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 09:26:16,403 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 09:26:16,411 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 09:26:16,418 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 09:26:16,420 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 09:26:16,422 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 09:26:16,426 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 09:26:16,431 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 09:26:16,434 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 09:26:16,435 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 09:26:16,441 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 09:26:16,445 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 09:26:16,447 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 09:26:16,449 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 09:26:16,450 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 09:26:16,452 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 09:26:16,454 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 09:26:16,456 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 09:26:16,457 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 09:26:16,458 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 09:26:16,459 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 09:26:16,459 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 09:26:16,461 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 09:26:16,462 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 09:26:16,463 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683cd1d8-a270-4e68-8e90-171b1639b141/bin/uautomizer-UnR33cPsHg/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-28 09:26:16,522 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 09:26:16,522 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 09:26:16,524 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 09:26:16,524 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 09:26:16,534 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 09:26:16,534 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 09:26:16,534 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 09:26:16,535 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 09:26:16,535 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 09:26:16,535 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 09:26:16,537 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 09:26:16,537 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 09:26:16,538 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 09:26:16,538 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 09:26:16,538 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 09:26:16,539 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 09:26:16,539 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 09:26:16,539 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 09:26:16,540 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 09:26:16,540 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 09:26:16,540 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 09:26:16,541 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 09:26:16,541 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 09:26:16,542 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 09:26:16,543 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 09:26:16,544 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 09:26:16,544 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 09:26:16,544 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 09:26:16,545 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 09:26:16,547 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 09:26:16,548 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 09:26:16,548 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 09:26:16,549 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_683cd1d8-a270-4e68-8e90-171b1639b141/bin/uautomizer-UnR33cPsHg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683cd1d8-a270-4e68-8e90-171b1639b141/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 14d22f17681e24ff9bf077eb5f196519a9b5019c8fb9285b97a7644c12cebe77 [2021-10-28 09:26:16,858 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 09:26:16,904 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 09:26:16,908 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 09:26:16,909 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 09:26:16,910 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 09:26:16,911 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683cd1d8-a270-4e68-8e90-171b1639b141/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/float-newlib/double_req_bl_0910b.c [2021-10-28 09:26:17,024 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683cd1d8-a270-4e68-8e90-171b1639b141/bin/uautomizer-UnR33cPsHg/data/82fcb6d76/66924dacd8044641b2d3c0a52204ce91/FLAGf19897f1c [2021-10-28 09:26:17,625 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 09:26:17,627 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683cd1d8-a270-4e68-8e90-171b1639b141/sv-benchmarks/c/float-newlib/double_req_bl_0910b.c [2021-10-28 09:26:17,645 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683cd1d8-a270-4e68-8e90-171b1639b141/bin/uautomizer-UnR33cPsHg/data/82fcb6d76/66924dacd8044641b2d3c0a52204ce91/FLAGf19897f1c [2021-10-28 09:26:17,920 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683cd1d8-a270-4e68-8e90-171b1639b141/bin/uautomizer-UnR33cPsHg/data/82fcb6d76/66924dacd8044641b2d3c0a52204ce91 [2021-10-28 09:26:17,922 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 09:26:17,924 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 09:26:17,926 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 09:26:17,926 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 09:26:17,930 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 09:26:17,931 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:26:17" (1/1) ... [2021-10-28 09:26:17,932 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52e68a49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:26:17, skipping insertion in model container [2021-10-28 09:26:17,933 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:26:17" (1/1) ... [2021-10-28 09:26:17,940 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 09:26:17,967 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 09:26:18,239 WARN L228 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_683cd1d8-a270-4e68-8e90-171b1639b141/sv-benchmarks/c/float-newlib/double_req_bl_0910b.c[3599,3612] [2021-10-28 09:26:18,253 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:26:18,263 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 09:26:18,310 WARN L228 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_683cd1d8-a270-4e68-8e90-171b1639b141/sv-benchmarks/c/float-newlib/double_req_bl_0910b.c[3599,3612] [2021-10-28 09:26:18,311 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:26:18,330 INFO L208 MainTranslator]: Completed translation [2021-10-28 09:26:18,331 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:26:18 WrapperNode [2021-10-28 09:26:18,331 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 09:26:18,333 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 09:26:18,333 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 09:26:18,334 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 09:26:18,344 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:26:18" (1/1) ... [2021-10-28 09:26:18,355 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:26:18" (1/1) ... [2021-10-28 09:26:18,390 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 09:26:18,392 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 09:26:18,392 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 09:26:18,392 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 09:26:18,403 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:26:18" (1/1) ... [2021-10-28 09:26:18,404 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:26:18" (1/1) ... [2021-10-28 09:26:18,409 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:26:18" (1/1) ... [2021-10-28 09:26:18,410 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:26:18" (1/1) ... [2021-10-28 09:26:18,421 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:26:18" (1/1) ... [2021-10-28 09:26:18,427 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:26:18" (1/1) ... [2021-10-28 09:26:18,445 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:26:18" (1/1) ... [2021-10-28 09:26:18,449 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 09:26:18,454 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 09:26:18,455 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 09:26:18,456 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 09:26:18,458 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:26:18" (1/1) ... [2021-10-28 09:26:18,472 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 09:26:18,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683cd1d8-a270-4e68-8e90-171b1639b141/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:26:18,502 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683cd1d8-a270-4e68-8e90-171b1639b141/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 09:26:18,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683cd1d8-a270-4e68-8e90-171b1639b141/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 09:26:18,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 09:26:18,551 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 09:26:18,552 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-10-28 09:26:18,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-28 09:26:18,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-10-28 09:26:18,553 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 09:26:18,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 09:26:18,553 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-28 09:26:18,554 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-28 09:26:19,089 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 09:26:19,089 INFO L299 CfgBuilder]: Removed 16 assume(true) statements. [2021-10-28 09:26:19,092 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:26:19 BoogieIcfgContainer [2021-10-28 09:26:19,092 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 09:26:19,104 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 09:26:19,104 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 09:26:19,109 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 09:26:19,109 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 09:26:17" (1/3) ... [2021-10-28 09:26:19,110 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bf492cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:26:19, skipping insertion in model container [2021-10-28 09:26:19,110 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:26:18" (2/3) ... [2021-10-28 09:26:19,111 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bf492cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:26:19, skipping insertion in model container [2021-10-28 09:26:19,111 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:26:19" (3/3) ... [2021-10-28 09:26:19,113 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0910b.c [2021-10-28 09:26:19,120 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 09:26:19,121 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-28 09:26:19,177 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 09:26:19,185 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 [2021-10-28 09:26:19,185 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-28 09:26:19,203 INFO L276 IsEmpty]: Start isEmpty. Operand has 32 states, 30 states have (on average 1.7) internal successors, (51), 31 states have internal predecessors, (51), 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) [2021-10-28 09:26:19,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-28 09:26:19,210 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:26:19,211 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:26:19,212 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:26:19,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:26:19,219 INFO L85 PathProgramCache]: Analyzing trace with hash -2110731690, now seen corresponding path program 1 times [2021-10-28 09:26:19,230 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:26:19,231 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1297359284] [2021-10-28 09:26:19,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:26:19,232 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:26:19,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:26:19,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:26:19,443 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:26:19,444 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1297359284] [2021-10-28 09:26:19,446 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1297359284] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:26:19,447 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:26:19,447 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 09:26:19,450 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334836088] [2021-10-28 09:26:19,456 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-28 09:26:19,459 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:26:19,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-28 09:26:19,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-28 09:26:19,492 INFO L87 Difference]: Start difference. First operand has 32 states, 30 states have (on average 1.7) internal successors, (51), 31 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 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) [2021-10-28 09:26:19,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:26:19,514 INFO L93 Difference]: Finished difference Result 62 states and 100 transitions. [2021-10-28 09:26:19,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-28 09:26:19,516 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 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 [2021-10-28 09:26:19,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:26:19,525 INFO L225 Difference]: With dead ends: 62 [2021-10-28 09:26:19,526 INFO L226 Difference]: Without dead ends: 29 [2021-10-28 09:26:19,529 INFO L786 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 [2021-10-28 09:26:19,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2021-10-28 09:26:19,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2021-10-28 09:26:19,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 28 states have (on average 1.3928571428571428) internal successors, (39), 28 states have internal predecessors, (39), 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) [2021-10-28 09:26:19,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 39 transitions. [2021-10-28 09:26:19,571 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 39 transitions. Word has length 12 [2021-10-28 09:26:19,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:26:19,572 INFO L470 AbstractCegarLoop]: Abstraction has 29 states and 39 transitions. [2021-10-28 09:26:19,572 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 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) [2021-10-28 09:26:19,573 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 39 transitions. [2021-10-28 09:26:19,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-28 09:26:19,574 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:26:19,574 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:26:19,574 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-28 09:26:19,575 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:26:19,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:26:19,576 INFO L85 PathProgramCache]: Analyzing trace with hash 1825265086, now seen corresponding path program 1 times [2021-10-28 09:26:19,576 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:26:19,576 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572253818] [2021-10-28 09:26:19,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:26:19,577 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:26:19,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:26:19,704 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:26:19,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:26:19,868 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:26:19,869 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-10-28 09:26:19,871 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 09:26:19,873 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-28 09:26:19,878 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1] [2021-10-28 09:26:19,881 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 09:26:19,926 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 09:26:19 BoogieIcfgContainer [2021-10-28 09:26:19,926 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 09:26:19,927 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 09:26:19,928 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 09:26:19,928 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 09:26:19,929 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:26:19" (3/4) ... [2021-10-28 09:26:19,932 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-28 09:26:19,933 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 09:26:19,935 INFO L168 Benchmark]: Toolchain (without parser) took 2010.17 ms. Allocated memory was 94.4 MB in the beginning and 121.6 MB in the end (delta: 27.3 MB). Free memory was 58.0 MB in the beginning and 44.7 MB in the end (delta: 13.3 MB). Peak memory consumption was 39.0 MB. Max. memory is 16.1 GB. [2021-10-28 09:26:19,936 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 94.4 MB. Free memory was 66.8 MB in the beginning and 66.8 MB in the end (delta: 29.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:26:19,937 INFO L168 Benchmark]: CACSL2BoogieTranslator took 405.87 ms. Allocated memory was 94.4 MB in the beginning and 121.6 MB in the end (delta: 27.3 MB). Free memory was 58.0 MB in the beginning and 93.6 MB in the end (delta: -35.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 09:26:19,938 INFO L168 Benchmark]: Boogie Procedure Inliner took 57.98 ms. Allocated memory is still 121.6 MB. Free memory was 93.6 MB in the beginning and 91.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:26:19,939 INFO L168 Benchmark]: Boogie Preprocessor took 57.82 ms. Allocated memory is still 121.6 MB. Free memory was 91.5 MB in the beginning and 89.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:26:19,940 INFO L168 Benchmark]: RCFGBuilder took 637.69 ms. Allocated memory is still 121.6 MB. Free memory was 89.4 MB in the beginning and 75.4 MB in the end (delta: 14.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-28 09:26:19,941 INFO L168 Benchmark]: TraceAbstraction took 822.85 ms. Allocated memory is still 121.6 MB. Free memory was 74.7 MB in the beginning and 44.7 MB in the end (delta: 30.1 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.1 GB. [2021-10-28 09:26:19,941 INFO L168 Benchmark]: Witness Printer took 5.45 ms. Allocated memory is still 121.6 MB. Free memory is still 44.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:26:19,946 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 94.4 MB. Free memory was 66.8 MB in the beginning and 66.8 MB in the end (delta: 29.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 405.87 ms. Allocated memory was 94.4 MB in the beginning and 121.6 MB in the end (delta: 27.3 MB). Free memory was 58.0 MB in the beginning and 93.6 MB in the end (delta: -35.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 57.98 ms. Allocated memory is still 121.6 MB. Free memory was 93.6 MB in the beginning and 91.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 57.82 ms. Allocated memory is still 121.6 MB. Free memory was 91.5 MB in the beginning and 89.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 637.69 ms. Allocated memory is still 121.6 MB. Free memory was 89.4 MB in the beginning and 75.4 MB in the end (delta: 14.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 822.85 ms. Allocated memory is still 121.6 MB. Free memory was 74.7 MB in the beginning and 44.7 MB in the end (delta: 30.1 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.1 GB. * Witness Printer took 5.45 ms. Allocated memory is still 121.6 MB. Free memory is still 44.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * 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: 139]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 29, overapproximation of someUnaryDOUBLEoperation at line 134, overapproximation of someBinaryArithmeticDOUBLEoperation at line 62, overapproximation of bitwiseAnd at line 28. Possible FailurePath: [L34-L43] static const double ln2_hi_log = 6.93147180369123816490e-01, ln2_lo_log = 1.90821492927058770002e-10, two54_log = 1.80143985094819840000e+16, Lg1_log = 6.666666666666735130e-01, Lg2_log = 3.999999999940941908e-01, Lg3_log = 2.857142874366239149e-01, Lg4_log = 2.222219843214978396e-01, Lg5_log = 1.818357216161805012e-01, Lg6_log = 1.531383769920937332e-01, Lg7_log = 1.479819860511658591e-01; [L45] static const double zero = 0.0; VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] [L134] double x = -0.0; [L48] double hfsq, f, s, z, R, w, t1, t2, dk; [L49] __int32_t k, hx, i, j; [L50] __uint32_t lx; VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] [L53] ieee_double_shape_type ew_u; [L54] ew_u.value = (x) [L55] EXPR ew_u.parts.msw [L55] (hx) = ew_u.parts.msw [L56] EXPR ew_u.parts.lsw [L56] (lx) = ew_u.parts.lsw [L59] k = 0 VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] [L60] COND TRUE hx < 0x00100000 VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] [L61] COND TRUE ((hx & 0x7fffffff) | lx) == 0 [L62] return -two54_log / zero; VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] [L135] double res = __ieee754_log(x); [L21] __int32_t hx, lx; VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] [L23] ieee_double_shape_type ew_u; [L24] ew_u.value = (x) [L25] EXPR ew_u.parts.msw [L25] (hx) = ew_u.parts.msw [L26] EXPR ew_u.parts.lsw [L26] (lx) = ew_u.parts.lsw [L28] hx &= 0x7fffffff [L29] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L30] hx = 0x7ff00000 - hx [L31] return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31); VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] [L138] COND TRUE !isinf_double(res) [L139] reach_error() VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 32 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 42 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, 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=32occurred 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, 0.0s InterpolantComputationTime, 26 NumberOfCodeBlocks, 26 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 11 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 [2021-10-28 09:26:20,005 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683cd1d8-a270-4e68-8e90-171b1639b141/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 09:26:23,074 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 09:26:23,079 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 09:26:23,151 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 09:26:23,152 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 09:26:23,159 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 09:26:23,163 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 09:26:23,173 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 09:26:23,178 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 09:26:23,187 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 09:26:23,188 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 09:26:23,191 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 09:26:23,192 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 09:26:23,194 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 09:26:23,198 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 09:26:23,201 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 09:26:23,203 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 09:26:23,208 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 09:26:23,213 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 09:26:23,220 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 09:26:23,222 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 09:26:23,224 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 09:26:23,226 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 09:26:23,227 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 09:26:23,232 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 09:26:23,232 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 09:26:23,233 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 09:26:23,234 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 09:26:23,235 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 09:26:23,236 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 09:26:23,237 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 09:26:23,238 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 09:26:23,240 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 09:26:23,241 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 09:26:23,243 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 09:26:23,243 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 09:26:23,244 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 09:26:23,245 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 09:26:23,245 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 09:26:23,247 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 09:26:23,249 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 09:26:23,251 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683cd1d8-a270-4e68-8e90-171b1639b141/bin/uautomizer-UnR33cPsHg/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-10-28 09:26:23,313 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 09:26:23,314 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 09:26:23,315 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 09:26:23,315 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 09:26:23,318 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 09:26:23,318 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 09:26:23,318 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 09:26:23,319 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 09:26:23,319 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 09:26:23,319 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 09:26:23,321 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 09:26:23,321 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 09:26:23,322 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 09:26:23,322 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 09:26:23,322 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-28 09:26:23,323 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-28 09:26:23,323 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 09:26:23,323 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 09:26:23,323 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 09:26:23,324 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 09:26:23,324 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 09:26:23,324 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 09:26:23,325 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 09:26:23,325 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 09:26:23,325 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 09:26:23,326 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 09:26:23,326 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 09:26:23,326 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-28 09:26:23,326 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-28 09:26:23,327 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 09:26:23,327 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 09:26:23,327 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 09:26:23,328 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 09:26:23,328 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-28 09:26:23,328 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_683cd1d8-a270-4e68-8e90-171b1639b141/bin/uautomizer-UnR33cPsHg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683cd1d8-a270-4e68-8e90-171b1639b141/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 14d22f17681e24ff9bf077eb5f196519a9b5019c8fb9285b97a7644c12cebe77 [2021-10-28 09:26:23,827 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 09:26:23,856 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 09:26:23,858 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 09:26:23,860 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 09:26:23,861 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 09:26:23,862 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683cd1d8-a270-4e68-8e90-171b1639b141/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/float-newlib/double_req_bl_0910b.c [2021-10-28 09:26:23,959 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683cd1d8-a270-4e68-8e90-171b1639b141/bin/uautomizer-UnR33cPsHg/data/b56625c48/38b1774f36f54b8aaf8b4637e32e5e24/FLAG76f69d026 [2021-10-28 09:26:24,579 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 09:26:24,580 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683cd1d8-a270-4e68-8e90-171b1639b141/sv-benchmarks/c/float-newlib/double_req_bl_0910b.c [2021-10-28 09:26:24,595 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683cd1d8-a270-4e68-8e90-171b1639b141/bin/uautomizer-UnR33cPsHg/data/b56625c48/38b1774f36f54b8aaf8b4637e32e5e24/FLAG76f69d026 [2021-10-28 09:26:24,949 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683cd1d8-a270-4e68-8e90-171b1639b141/bin/uautomizer-UnR33cPsHg/data/b56625c48/38b1774f36f54b8aaf8b4637e32e5e24 [2021-10-28 09:26:24,952 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 09:26:24,954 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 09:26:24,958 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 09:26:24,959 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 09:26:24,965 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 09:26:24,975 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:26:24" (1/1) ... [2021-10-28 09:26:24,978 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f2a4d7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:26:24, skipping insertion in model container [2021-10-28 09:26:24,978 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:26:24" (1/1) ... [2021-10-28 09:26:25,002 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 09:26:25,027 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 09:26:25,244 WARN L228 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_683cd1d8-a270-4e68-8e90-171b1639b141/sv-benchmarks/c/float-newlib/double_req_bl_0910b.c[3599,3612] [2021-10-28 09:26:25,248 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:26:25,263 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 09:26:25,383 WARN L228 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_683cd1d8-a270-4e68-8e90-171b1639b141/sv-benchmarks/c/float-newlib/double_req_bl_0910b.c[3599,3612] [2021-10-28 09:26:25,395 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:26:25,434 INFO L208 MainTranslator]: Completed translation [2021-10-28 09:26:25,434 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:26:25 WrapperNode [2021-10-28 09:26:25,435 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 09:26:25,438 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 09:26:25,438 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 09:26:25,439 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 09:26:25,448 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:26:25" (1/1) ... [2021-10-28 09:26:25,480 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:26:25" (1/1) ... [2021-10-28 09:26:25,530 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 09:26:25,535 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 09:26:25,536 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 09:26:25,536 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 09:26:25,547 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:26:25" (1/1) ... [2021-10-28 09:26:25,547 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:26:25" (1/1) ... [2021-10-28 09:26:25,573 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:26:25" (1/1) ... [2021-10-28 09:26:25,574 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:26:25" (1/1) ... [2021-10-28 09:26:25,587 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:26:25" (1/1) ... [2021-10-28 09:26:25,604 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:26:25" (1/1) ... [2021-10-28 09:26:25,615 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:26:25" (1/1) ... [2021-10-28 09:26:25,626 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 09:26:25,634 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 09:26:25,634 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 09:26:25,634 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 09:26:25,635 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:26:25" (1/1) ... [2021-10-28 09:26:25,645 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 09:26:25,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683cd1d8-a270-4e68-8e90-171b1639b141/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:26:25,683 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683cd1d8-a270-4e68-8e90-171b1639b141/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 09:26:25,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683cd1d8-a270-4e68-8e90-171b1639b141/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 09:26:25,742 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2021-10-28 09:26:25,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2021-10-28 09:26:25,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-28 09:26:25,743 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 09:26:25,743 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-28 09:26:25,743 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 09:26:25,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 09:26:25,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-28 09:26:25,744 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-28 09:26:49,088 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 09:26:49,088 INFO L299 CfgBuilder]: Removed 16 assume(true) statements. [2021-10-28 09:26:49,092 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:26:49 BoogieIcfgContainer [2021-10-28 09:26:49,092 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 09:26:49,095 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 09:26:49,096 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 09:26:49,100 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 09:26:49,101 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 09:26:24" (1/3) ... [2021-10-28 09:26:49,102 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2383e118 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:26:49, skipping insertion in model container [2021-10-28 09:26:49,102 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:26:25" (2/3) ... [2021-10-28 09:26:49,103 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2383e118 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:26:49, skipping insertion in model container [2021-10-28 09:26:49,103 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:26:49" (3/3) ... [2021-10-28 09:26:49,105 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0910b.c [2021-10-28 09:26:49,113 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 09:26:49,114 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-28 09:26:49,184 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 09:26:49,193 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 [2021-10-28 09:26:49,193 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-28 09:26:49,213 INFO L276 IsEmpty]: Start isEmpty. Operand has 32 states, 30 states have (on average 1.7) internal successors, (51), 31 states have internal predecessors, (51), 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) [2021-10-28 09:26:49,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-28 09:26:49,234 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:26:49,235 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:26:49,235 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:26:49,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:26:49,241 INFO L85 PathProgramCache]: Analyzing trace with hash -2110731690, now seen corresponding path program 1 times [2021-10-28 09:26:49,253 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 09:26:49,254 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1797311213] [2021-10-28 09:26:49,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:26:49,256 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 09:26:49,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683cd1d8-a270-4e68-8e90-171b1639b141/bin/uautomizer-UnR33cPsHg/mathsat [2021-10-28 09:26:49,260 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683cd1d8-a270-4e68-8e90-171b1639b141/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 09:26:49,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683cd1d8-a270-4e68-8e90-171b1639b141/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-28 09:26:50,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:26:50,423 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-28 09:26:50,429 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:26:50,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:26:50,760 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 09:26:50,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:26:50,992 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 09:26:50,992 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1797311213] [2021-10-28 09:26:50,993 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1797311213] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 09:26:50,993 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:26:51,006 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-28 09:26:51,008 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755471252] [2021-10-28 09:26:51,018 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-28 09:26:51,020 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 09:26:51,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-28 09:26:51,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-28 09:26:51,038 INFO L87 Difference]: Start difference. First operand has 32 states, 30 states have (on average 1.7) internal successors, (51), 31 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 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) [2021-10-28 09:26:51,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:26:51,057 INFO L93 Difference]: Finished difference Result 62 states and 100 transitions. [2021-10-28 09:26:51,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-28 09:26:51,059 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 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 [2021-10-28 09:26:51,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:26:51,071 INFO L225 Difference]: With dead ends: 62 [2021-10-28 09:26:51,071 INFO L226 Difference]: Without dead ends: 29 [2021-10-28 09:26:51,074 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-28 09:26:51,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2021-10-28 09:26:51,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2021-10-28 09:26:51,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 28 states have (on average 1.3928571428571428) internal successors, (39), 28 states have internal predecessors, (39), 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) [2021-10-28 09:26:51,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 39 transitions. [2021-10-28 09:26:51,118 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 39 transitions. Word has length 12 [2021-10-28 09:26:51,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:26:51,119 INFO L470 AbstractCegarLoop]: Abstraction has 29 states and 39 transitions. [2021-10-28 09:26:51,120 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 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) [2021-10-28 09:26:51,120 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 39 transitions. [2021-10-28 09:26:51,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-28 09:26:51,121 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:26:51,122 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:26:51,155 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683cd1d8-a270-4e68-8e90-171b1639b141/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-28 09:26:51,338 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683cd1d8-a270-4e68-8e90-171b1639b141/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 [2021-10-28 09:26:51,339 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:26:51,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:26:51,340 INFO L85 PathProgramCache]: Analyzing trace with hash 1825265086, now seen corresponding path program 1 times [2021-10-28 09:26:51,342 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 09:26:51,342 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [705638201] [2021-10-28 09:26:51,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:26:51,343 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 09:26:51,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683cd1d8-a270-4e68-8e90-171b1639b141/bin/uautomizer-UnR33cPsHg/mathsat [2021-10-28 09:26:51,357 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683cd1d8-a270-4e68-8e90-171b1639b141/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 09:26:51,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683cd1d8-a270-4e68-8e90-171b1639b141/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-28 09:26:52,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:26:52,683 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 15 conjunts are in the unsatisfiable core [2021-10-28 09:26:52,686 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:26:54,267 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 35 treesize of output 33 [2021-10-28 09:26:55,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:26:55,683 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 09:26:56,845 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 89 [2021-10-28 09:27:09,932 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_skolemized_q#valueAsBitvector_9| (_ BitVec 64))) (or (not (= (fp.div c_currentRoundingMode (fp.neg c_~two54_log~0) c_~zero~0) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_9|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_9|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_9|)))) (not (= (bvadd (bvneg (bvlshr (let ((.cse0 (bvadd (_ bv2146435072 32) (bvneg (bvor (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_9|)) (bvlshr (let ((.cse1 ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_9|))) (bvor .cse1 (bvneg .cse1))) (_ bv31 32))))))) (bvor .cse0 (bvneg .cse0))) (_ bv31 32))) (_ bv1 32)) (_ bv0 32))))) is different from false [2021-10-28 09:27:12,151 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_skolemized_q#valueAsBitvector_9| (_ BitVec 64))) (or (not (= (fp.div c_currentRoundingMode (fp.neg c_~two54_log~0) c_~zero~0) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_9|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_9|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_9|)))) (not (= (bvadd (bvneg (bvlshr (let ((.cse0 (bvadd (_ bv2146435072 32) (bvneg (bvor (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_9|)) (bvlshr (let ((.cse1 ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_9|))) (bvor .cse1 (bvneg .cse1))) (_ bv31 32))))))) (bvor .cse0 (bvneg .cse0))) (_ bv31 32))) (_ bv1 32)) (_ bv0 32))))) is different from true [2021-10-28 09:27:55,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:27:55,589 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 09:27:55,589 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [705638201] [2021-10-28 09:27:55,590 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [705638201] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 09:27:55,590 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:27:55,590 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 13 [2021-10-28 09:27:55,591 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268690788] [2021-10-28 09:27:55,592 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-10-28 09:27:55,593 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 09:27:55,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-10-28 09:27:55,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=128, Unknown=2, NotChecked=22, Total=182 [2021-10-28 09:27:55,595 INFO L87 Difference]: Start difference. First operand 29 states and 39 transitions. Second operand has 14 states, 14 states have (on average 1.9285714285714286) internal successors, (27), 13 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:27:58,332 WARN L860 $PredicateComparison]: unable to prove that (and (= ((_ to_fp 11 53) c_currentRoundingMode 18014398509481984.0) c_~two54_log~0) (forall ((|v_skolemized_q#valueAsBitvector_9| (_ BitVec 64))) (or (not (= (fp.div c_currentRoundingMode (fp.neg c_~two54_log~0) c_~zero~0) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_9|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_9|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_9|)))) (not (= (bvadd (bvneg (bvlshr (let ((.cse0 (bvadd (_ bv2146435072 32) (bvneg (bvor (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_9|)) (bvlshr (let ((.cse1 ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_9|))) (bvor .cse1 (bvneg .cse1))) (_ bv31 32))))))) (bvor .cse0 (bvneg .cse0))) (_ bv31 32))) (_ bv1 32)) (_ bv0 32))))) (= (_ +zero 11 53) c_~zero~0) (= c_currentRoundingMode roundNearestTiesToEven)) is different from true [2021-10-28 09:28:39,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:28:39,705 INFO L93 Difference]: Finished difference Result 37 states and 46 transitions. [2021-10-28 09:28:39,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-28 09:28:39,706 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 1.9285714285714286) internal successors, (27), 13 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2021-10-28 09:28:39,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:28:39,707 INFO L225 Difference]: With dead ends: 37 [2021-10-28 09:28:39,707 INFO L226 Difference]: Without dead ends: 29 [2021-10-28 09:28:39,708 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 11.6s TimeCoverageRelationStatistics Valid=68, Invalid=209, Unknown=3, NotChecked=62, Total=342 [2021-10-28 09:28:39,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2021-10-28 09:28:39,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2021-10-28 09:28:39,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 28 states have (on average 1.3571428571428572) internal successors, (38), 28 states have internal predecessors, (38), 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) [2021-10-28 09:28:39,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 38 transitions. [2021-10-28 09:28:39,715 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 38 transitions. Word has length 14 [2021-10-28 09:28:39,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:28:39,716 INFO L470 AbstractCegarLoop]: Abstraction has 29 states and 38 transitions. [2021-10-28 09:28:39,716 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 1.9285714285714286) internal successors, (27), 13 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:28:39,716 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 38 transitions. [2021-10-28 09:28:39,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-28 09:28:39,718 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:28:39,718 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:28:39,743 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683cd1d8-a270-4e68-8e90-171b1639b141/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2021-10-28 09:28:39,922 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683cd1d8-a270-4e68-8e90-171b1639b141/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 [2021-10-28 09:28:39,923 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:28:39,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:28:39,924 INFO L85 PathProgramCache]: Analyzing trace with hash 2016616349, now seen corresponding path program 1 times [2021-10-28 09:28:39,924 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 09:28:39,925 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1883204510] [2021-10-28 09:28:39,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:28:39,925 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 09:28:39,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683cd1d8-a270-4e68-8e90-171b1639b141/bin/uautomizer-UnR33cPsHg/mathsat [2021-10-28 09:28:39,926 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683cd1d8-a270-4e68-8e90-171b1639b141/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 09:28:39,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683cd1d8-a270-4e68-8e90-171b1639b141/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-28 09:28:40,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:28:40,170 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-28 09:28:40,173 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:28:40,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:28:40,936 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 09:28:41,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:28:41,648 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 09:28:41,649 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1883204510] [2021-10-28 09:28:41,649 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1883204510] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 09:28:41,649 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:28:41,649 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-10-28 09:28:41,650 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701853862] [2021-10-28 09:28:41,650 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-28 09:28:41,650 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 09:28:41,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-28 09:28:41,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-28 09:28:41,652 INFO L87 Difference]: Start difference. First operand 29 states and 38 transitions. Second operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 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) [2021-10-28 09:28:43,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:28:43,347 INFO L93 Difference]: Finished difference Result 37 states and 45 transitions. [2021-10-28 09:28:43,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 09:28:43,375 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 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) Word has length 14 [2021-10-28 09:28:43,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:28:43,376 INFO L225 Difference]: With dead ends: 37 [2021-10-28 09:28:43,376 INFO L226 Difference]: Without dead ends: 16 [2021-10-28 09:28:43,377 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-28 09:28:43,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2021-10-28 09:28:43,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2021-10-28 09:28:43,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 15 states have (on average 1.0) internal successors, (15), 15 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:28:43,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 15 transitions. [2021-10-28 09:28:43,381 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 15 transitions. Word has length 14 [2021-10-28 09:28:43,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:28:43,382 INFO L470 AbstractCegarLoop]: Abstraction has 16 states and 15 transitions. [2021-10-28 09:28:43,382 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 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) [2021-10-28 09:28:43,382 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 15 transitions. [2021-10-28 09:28:43,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-28 09:28:43,383 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:28:43,384 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:28:43,420 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683cd1d8-a270-4e68-8e90-171b1639b141/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2021-10-28 09:28:43,598 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683cd1d8-a270-4e68-8e90-171b1639b141/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 [2021-10-28 09:28:43,599 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:28:43,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:28:43,600 INFO L85 PathProgramCache]: Analyzing trace with hash 1126164636, now seen corresponding path program 1 times [2021-10-28 09:28:43,600 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 09:28:43,600 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [199481153] [2021-10-28 09:28:43,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:28:43,601 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 09:28:43,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683cd1d8-a270-4e68-8e90-171b1639b141/bin/uautomizer-UnR33cPsHg/mathsat [2021-10-28 09:28:43,602 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683cd1d8-a270-4e68-8e90-171b1639b141/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 09:28:43,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683cd1d8-a270-4e68-8e90-171b1639b141/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-28 09:28:44,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:28:44,960 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-28 09:28:44,962 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:28:45,162 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 30 treesize of output 28 [2021-10-28 09:28:46,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:28:46,149 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 09:28:46,713 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 31 treesize of output 29 [2021-10-28 09:28:46,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:28:46,981 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 09:28:46,981 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [199481153] [2021-10-28 09:28:46,981 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [199481153] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 09:28:46,981 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:28:46,981 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-10-28 09:28:46,982 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131922697] [2021-10-28 09:28:46,982 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-28 09:28:46,983 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 09:28:46,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-28 09:28:46,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-28 09:28:46,984 INFO L87 Difference]: Start difference. First operand 16 states and 15 transitions. Second operand has 6 states, 6 states have (on average 3.5) internal successors, (21), 6 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) [2021-10-28 09:28:47,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:28:47,179 INFO L93 Difference]: Finished difference Result 16 states and 15 transitions. [2021-10-28 09:28:47,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 09:28:47,180 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.5) internal successors, (21), 6 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 15 [2021-10-28 09:28:47,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:28:47,180 INFO L225 Difference]: With dead ends: 16 [2021-10-28 09:28:47,180 INFO L226 Difference]: Without dead ends: 0 [2021-10-28 09:28:47,181 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-28 09:28:47,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-28 09:28:47,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-28 09:28:47,181 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) [2021-10-28 09:28:47,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-28 09:28:47,182 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15 [2021-10-28 09:28:47,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:28:47,182 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 09:28:47,182 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.5) internal successors, (21), 6 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) [2021-10-28 09:28:47,182 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-28 09:28:47,182 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-28 09:28:47,184 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 09:28:47,215 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683cd1d8-a270-4e68-8e90-171b1639b141/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-28 09:28:47,385 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683cd1d8-a270-4e68-8e90-171b1639b141/bin/uautomizer-UnR33cPsHg/mathsat -unsat_core_generation=3 [2021-10-28 09:28:47,387 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-28 09:28:47,390 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:28:47,426 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:28:47,427 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:28:47,428 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:28:47,429 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:28:47,431 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:28:47,434 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:28:50,354 INFO L857 garLoopResultBuilder]: For program point L60(lines 60 72) no Hoare annotation was computed. [2021-10-28 09:28:50,354 INFO L857 garLoopResultBuilder]: For program point L60-1(lines 47 126) no Hoare annotation was computed. [2021-10-28 09:28:50,354 INFO L857 garLoopResultBuilder]: For program point L52-1(lines 52 57) no Hoare annotation was computed. [2021-10-28 09:28:50,355 INFO L853 garLoopResultBuilder]: At program point L52-2(lines 52 57) the Hoare annotation is: (and (= ((_ to_fp 11 53) currentRoundingMode 18014398509481984.0) ~two54_log~0) (= ULTIMATE.start___ieee754_log_~x (fp.neg (_ +zero 11 53))) (= (_ +zero 11 53) ~zero~0) (= currentRoundingMode roundNearestTiesToEven)) [2021-10-28 09:28:50,355 INFO L857 garLoopResultBuilder]: For program point L52-3(lines 52 57) no Hoare annotation was computed. [2021-10-28 09:28:50,355 INFO L860 garLoopResultBuilder]: At program point L143(lines 128 144) the Hoare annotation is: true [2021-10-28 09:28:50,355 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-28 09:28:50,356 INFO L857 garLoopResultBuilder]: For program point L61(lines 61 62) no Hoare annotation was computed. [2021-10-28 09:28:50,356 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-28 09:28:50,356 INFO L857 garLoopResultBuilder]: For program point L86(lines 86 102) no Hoare annotation was computed. [2021-10-28 09:28:50,356 INFO L857 garLoopResultBuilder]: For program point L78-1(lines 78 83) no Hoare annotation was computed. [2021-10-28 09:28:50,357 INFO L853 garLoopResultBuilder]: At program point L78-2(lines 78 83) the Hoare annotation is: false [2021-10-28 09:28:50,357 INFO L857 garLoopResultBuilder]: For program point L78-3(lines 78 83) no Hoare annotation was computed. [2021-10-28 09:28:50,357 INFO L857 garLoopResultBuilder]: For program point L87(lines 87 94) no Hoare annotation was computed. [2021-10-28 09:28:50,357 INFO L857 garLoopResultBuilder]: For program point L96(lines 96 101) no Hoare annotation was computed. [2021-10-28 09:28:50,358 INFO L857 garLoopResultBuilder]: For program point L63(lines 63 64) no Hoare annotation was computed. [2021-10-28 09:28:50,358 INFO L857 garLoopResultBuilder]: For program point L121(lines 121 124) no Hoare annotation was computed. [2021-10-28 09:28:50,358 INFO L857 garLoopResultBuilder]: For program point L88(lines 88 93) no Hoare annotation was computed. [2021-10-28 09:28:50,358 INFO L857 garLoopResultBuilder]: For program point L22-1(lines 22 27) no Hoare annotation was computed. [2021-10-28 09:28:50,359 INFO L853 garLoopResultBuilder]: At program point L22-2(lines 22 27) the Hoare annotation is: (let ((.cse0 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven 18014398509481984.0)) (_ +zero 11 53)))) (and (= .cse0 |ULTIMATE.start___ieee754_log_#res|) (= .cse0 ULTIMATE.start_isinf_double_~x))) [2021-10-28 09:28:50,359 INFO L857 garLoopResultBuilder]: For program point L22-3(lines 22 27) no Hoare annotation was computed. [2021-10-28 09:28:50,359 INFO L857 garLoopResultBuilder]: For program point L113(lines 113 125) no Hoare annotation was computed. [2021-10-28 09:28:50,359 INFO L857 garLoopResultBuilder]: For program point L138(lines 138 141) no Hoare annotation was computed. [2021-10-28 09:28:50,360 INFO L853 garLoopResultBuilder]: At program point L31(lines 20 32) the Hoare annotation is: (let ((.cse0 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven 18014398509481984.0)) (_ +zero 11 53)))) (and (= .cse0 |ULTIMATE.start___ieee754_log_#res|) (= .cse0 ULTIMATE.start_isinf_double_~x) (exists ((|v_skolemized_q#valueAsBitvector_9| (_ BitVec 64))) (and (= (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven 18014398509481984.0)) (_ +zero 11 53)) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_9|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_9|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_9|))) (= (bvadd (bvneg (bvlshr (let ((.cse1 (bvadd (_ bv2146435072 32) (bvneg (bvor (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_9|)) (bvlshr (let ((.cse2 ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_9|))) (bvor .cse2 (bvneg .cse2))) (_ bv31 32))))))) (bvor .cse1 (bvneg .cse1))) (_ bv31 32))) (_ bv1 32)) |ULTIMATE.start_isinf_double_#res|))))) [2021-10-28 09:28:50,360 INFO L857 garLoopResultBuilder]: For program point L139(line 139) no Hoare annotation was computed. [2021-10-28 09:28:50,360 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-28 09:28:50,361 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 139) no Hoare annotation was computed. [2021-10-28 09:28:50,361 INFO L857 garLoopResultBuilder]: For program point L115(lines 115 119) no Hoare annotation was computed. [2021-10-28 09:28:50,361 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-28 09:28:50,361 INFO L853 garLoopResultBuilder]: At program point L124(lines 47 126) the Hoare annotation is: (= (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven 18014398509481984.0)) (_ +zero 11 53)) |ULTIMATE.start___ieee754_log_#res|) [2021-10-28 09:28:50,362 INFO L857 garLoopResultBuilder]: For program point L67-1(lines 67 71) no Hoare annotation was computed. [2021-10-28 09:28:50,362 INFO L853 garLoopResultBuilder]: At program point L67-2(lines 67 71) the Hoare annotation is: false [2021-10-28 09:28:50,366 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2021-10-28 09:28:50,368 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 09:28:50,382 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 09:28:50,387 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 09:28:50,389 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 09:28:50,389 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 09:28:50,390 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 09:28:50,390 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 09:28:50,392 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 09:28:50,393 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 09:28:50,393 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 09:28:50,393 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 09:28:50,393 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 09:28:50,394 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 09:28:50,394 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] [2021-10-28 09:28:50,394 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] [2021-10-28 09:28:50,394 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] [2021-10-28 09:28:50,395 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] [2021-10-28 09:28:50,395 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] [2021-10-28 09:28:50,395 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] [2021-10-28 09:28:50,396 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] [2021-10-28 09:28:50,396 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] [2021-10-28 09:28:50,396 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] [2021-10-28 09:28:50,399 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 09:28:50,400 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 09:28:50,400 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 09:28:50,400 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 09:28:50,400 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 09:28:50,401 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 09:28:50,401 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] [2021-10-28 09:28:50,401 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] [2021-10-28 09:28:50,401 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] [2021-10-28 09:28:50,402 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] [2021-10-28 09:28:50,402 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] [2021-10-28 09:28:50,402 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] [2021-10-28 09:28:50,403 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] [2021-10-28 09:28:50,403 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] [2021-10-28 09:28:50,403 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] [2021-10-28 09:28:50,406 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 09:28:50,407 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 09:28:50,407 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 09:28:50,407 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 09:28:50,408 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 09:28:50,409 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 09:28:50,409 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 09:28:50,409 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 09:28:50,410 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 09:28:50 BoogieIcfgContainer [2021-10-28 09:28:50,411 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 09:28:50,411 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 09:28:50,412 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 09:28:50,412 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 09:28:50,413 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:26:49" (3/4) ... [2021-10-28 09:28:50,416 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-28 09:28:50,431 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2021-10-28 09:28:50,432 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2021-10-28 09:28:50,432 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 09:28:50,433 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 09:28:50,463 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.8014398509481984E16)), ~Pluszero~LONGDOUBLE()) == \result [2021-10-28 09:28:50,464 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.8014398509481984E16)), ~Pluszero~LONGDOUBLE()) == \result && ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.8014398509481984E16)), ~Pluszero~LONGDOUBLE()) == x [2021-10-28 09:28:50,466 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.8014398509481984E16)), ~Pluszero~LONGDOUBLE()) == \result && ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.8014398509481984E16)), ~Pluszero~LONGDOUBLE()) == x) && (\exists v_skolemized_q#valueAsBitvector_9 : bv64 :: ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.8014398509481984E16)), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_9[63:63], v_skolemized_q#valueAsBitvector_9[62:52], v_skolemized_q#valueAsBitvector_9[51:0]) && ~bvadd64(~bvneg32(~bvlshr32(~bvor32(~bvadd64(2146435072bv32, ~bvneg32(~bvor32(~bvand32(2147483647bv32, v_skolemized_q#valueAsBitvector_9[63:32]), ~bvlshr32(~bvor32(v_skolemized_q#valueAsBitvector_9[31:0], ~bvneg32(v_skolemized_q#valueAsBitvector_9[31:0])), 31bv32)))), ~bvneg32(~bvadd64(2146435072bv32, ~bvneg32(~bvor32(~bvand32(2147483647bv32, v_skolemized_q#valueAsBitvector_9[63:32]), ~bvlshr32(~bvor32(v_skolemized_q#valueAsBitvector_9[31:0], ~bvneg32(v_skolemized_q#valueAsBitvector_9[31:0])), 31bv32)))))), 31bv32)), 1bv32) == \result) [2021-10-28 09:28:50,507 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683cd1d8-a270-4e68-8e90-171b1639b141/bin/uautomizer-UnR33cPsHg/witness.graphml [2021-10-28 09:28:50,508 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 09:28:50,510 INFO L168 Benchmark]: Toolchain (without parser) took 145554.57 ms. Allocated memory was 56.6 MB in the beginning and 71.3 MB in the end (delta: 14.7 MB). Free memory was 34.1 MB in the beginning and 43.8 MB in the end (delta: -9.7 MB). Peak memory consumption was 6.5 MB. Max. memory is 16.1 GB. [2021-10-28 09:28:50,510 INFO L168 Benchmark]: CDTParser took 0.39 ms. Allocated memory is still 56.6 MB. Free memory is still 37.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:28:50,511 INFO L168 Benchmark]: CACSL2BoogieTranslator took 477.55 ms. Allocated memory is still 56.6 MB. Free memory was 34.0 MB in the beginning and 37.7 MB in the end (delta: -3.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-28 09:28:50,511 INFO L168 Benchmark]: Boogie Procedure Inliner took 95.93 ms. Allocated memory is still 56.6 MB. Free memory was 37.7 MB in the beginning and 35.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:28:50,512 INFO L168 Benchmark]: Boogie Preprocessor took 97.16 ms. Allocated memory is still 56.6 MB. Free memory was 35.7 MB in the beginning and 33.8 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:28:50,513 INFO L168 Benchmark]: RCFGBuilder took 23458.75 ms. Allocated memory was 56.6 MB in the beginning and 71.3 MB in the end (delta: 14.7 MB). Free memory was 33.6 MB in the beginning and 47.5 MB in the end (delta: -13.9 MB). Peak memory consumption was 14.8 MB. Max. memory is 16.1 GB. [2021-10-28 09:28:50,513 INFO L168 Benchmark]: TraceAbstraction took 121315.52 ms. Allocated memory is still 71.3 MB. Free memory was 46.9 MB in the beginning and 49.1 MB in the end (delta: -2.3 MB). Peak memory consumption was 20.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:28:50,514 INFO L168 Benchmark]: Witness Printer took 96.62 ms. Allocated memory is still 71.3 MB. Free memory was 49.1 MB in the beginning and 43.8 MB in the end (delta: 5.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-28 09:28:50,516 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 ms. Allocated memory is still 56.6 MB. Free memory is still 37.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 477.55 ms. Allocated memory is still 56.6 MB. Free memory was 34.0 MB in the beginning and 37.7 MB in the end (delta: -3.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 95.93 ms. Allocated memory is still 56.6 MB. Free memory was 37.7 MB in the beginning and 35.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 97.16 ms. Allocated memory is still 56.6 MB. Free memory was 35.7 MB in the beginning and 33.8 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 23458.75 ms. Allocated memory was 56.6 MB in the beginning and 71.3 MB in the end (delta: 14.7 MB). Free memory was 33.6 MB in the beginning and 47.5 MB in the end (delta: -13.9 MB). Peak memory consumption was 14.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 121315.52 ms. Allocated memory is still 71.3 MB. Free memory was 46.9 MB in the beginning and 49.1 MB in the end (delta: -2.3 MB). Peak memory consumption was 20.1 MB. Max. memory is 16.1 GB. * Witness Printer took 96.62 ms. Allocated memory is still 71.3 MB. Free memory was 49.1 MB in the beginning and 43.8 MB in the end (delta: 5.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * 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: 139]: 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, 32 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 121.1s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 46.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.9s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 91 SDtfs, 65 SDslu, 224 SDs, 0 SdLazy, 55 SolverSat, 5 SolverUnsat, 16 SolverUnknown, 0 SolverNotchecked, 39.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 109 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 13.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=32occurred in iteration=0, InterpolantAutomatonStates: 18, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 7 PreInvPairs, 12 NumberOfFragments, 124 HoareAnnotationTreeSize, 7 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 58 FormulaSimplificationTreeSizeReductionInter, 2.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 3.6s SatisfiabilityAnalysisTime, 67.1s InterpolantComputationTime, 55 NumberOfCodeBlocks, 55 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 102 ConstructedInterpolants, 21 QuantifiedInterpolants, 1062 SizeOfPredicates, 24 NumberOfNonLiveVariables, 255 ConjunctsInSsa, 31 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 52]: Loop Invariant [2021-10-28 09:28:50,533 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 09:28:50,533 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.8014398509481984E16) == two54_log && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && ~Pluszero~LONGDOUBLE() == zero) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 47]: Loop Invariant [2021-10-28 09:28:50,534 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 09:28:50,535 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 09:28:50,535 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 09:28:50,535 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.8014398509481984E16)), ~Pluszero~LONGDOUBLE()) == \result - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 20]: Loop Invariant [2021-10-28 09:28:50,536 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 09:28:50,536 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 09:28:50,537 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 09:28:50,537 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 09:28:50,537 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 09:28:50,537 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 09:28:50,538 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] [2021-10-28 09:28:50,538 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] [2021-10-28 09:28:50,538 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] [2021-10-28 09:28:50,538 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] [2021-10-28 09:28:50,538 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] [2021-10-28 09:28:50,539 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] [2021-10-28 09:28:50,539 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] [2021-10-28 09:28:50,539 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] [2021-10-28 09:28:50,540 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] [2021-10-28 09:28:50,541 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 09:28:50,541 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 09:28:50,541 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 09:28:50,541 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 09:28:50,542 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 09:28:50,542 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 09:28:50,542 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] [2021-10-28 09:28:50,542 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] [2021-10-28 09:28:50,543 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] [2021-10-28 09:28:50,543 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] [2021-10-28 09:28:50,543 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] [2021-10-28 09:28:50,543 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] [2021-10-28 09:28:50,544 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] [2021-10-28 09:28:50,544 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] [2021-10-28 09:28:50,544 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] Derived loop invariant: (~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.8014398509481984E16)), ~Pluszero~LONGDOUBLE()) == \result && ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.8014398509481984E16)), ~Pluszero~LONGDOUBLE()) == x) && (\exists v_skolemized_q#valueAsBitvector_9 : bv64 :: ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.8014398509481984E16)), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_9[63:63], v_skolemized_q#valueAsBitvector_9[62:52], v_skolemized_q#valueAsBitvector_9[51:0]) && ~bvadd64(~bvneg32(~bvlshr32(~bvor32(~bvadd64(2146435072bv32, ~bvneg32(~bvor32(~bvand32(2147483647bv32, v_skolemized_q#valueAsBitvector_9[63:32]), ~bvlshr32(~bvor32(v_skolemized_q#valueAsBitvector_9[31:0], ~bvneg32(v_skolemized_q#valueAsBitvector_9[31:0])), 31bv32)))), ~bvneg32(~bvadd64(2146435072bv32, ~bvneg32(~bvor32(~bvand32(2147483647bv32, v_skolemized_q#valueAsBitvector_9[63:32]), ~bvlshr32(~bvor32(v_skolemized_q#valueAsBitvector_9[31:0], ~bvneg32(v_skolemized_q#valueAsBitvector_9[31:0])), 31bv32)))))), 31bv32)), 1bv32) == \result) - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 22]: Loop Invariant [2021-10-28 09:28:50,546 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 09:28:50,546 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 09:28:50,546 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 09:28:50,546 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 09:28:50,547 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 09:28:50,547 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 09:28:50,547 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-28 09:28:50,548 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.8014398509481984E16)), ~Pluszero~LONGDOUBLE()) == \result && ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.8014398509481984E16)), ~Pluszero~LONGDOUBLE()) == x RESULT: Ultimate proved your program to be correct! [2021-10-28 09:28:50,774 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683cd1d8-a270-4e68-8e90-171b1639b141/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2021-10-28 09:28:50,830 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683cd1d8-a270-4e68-8e90-171b1639b141/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 Received shutdown request...